What Is the Best Migraine Prevention Therapy?

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STOWE, VERMONT—Many treament options are available for migraine prevention. Developing customized treatment strategies for patients is essential. At the 26th Annual Stowe Headache Symposium of the Headache Cooperative of New England, Peter McAllister, MD, discussed the most efficacious migraine prevention therapies. He also gave guidance on deciding who needs preventive therapy and how to choose the right preventive treatment for each patient.

Who Needs Migraine Prevention Therapy?

Migraine prevention therapy is underutilized. Thirty-eight percent of patients could benefit from migraine prevention therapy, but only 3% to 13% are actually receiving it, according to 2012 guidelines from the AAN and the American Headache Society. Frequency of headaches and functional disability are the main criteria for deciding which patients need preventive treatment. According to the 2012 US Headache Consortium Guidelines, migraineurs with six or more headache days per month, four or more headache days with functional disability, or three or more headache days per month resulting in disability requiring bed rest, should be offered migraine preventive medication. The Canadian Prophylactic Guidelines Development Group 2012 recommended that prophylactic therapy be considered for patients whose migraine attacks have a significant impact on their lives, despite appropriate use of acute medications, trigger management, and lifestyle modification strategies.

Disability may be the more important of the two criteria. “If [a patient is] disabled, we really have to push and be aggressive with preventive medications,” said Dr. McAllister, Medical Director of the New England Institute for Neurology and Headache in Stamford, Connecticut. A guiding principle to consider when deciding who should receive preventive therapy is that an accurate diagnosis follows the International Headache Society, third edition (ICHD-3) guidelines. Dr. McAllister also advised doctors to make sure that patients keep headache diaries and to set realistic treatment goals. He also emphasized the importance of understanding patients’ medical and psychiatric conditions. In general, drug treatment should start with a low dose and slowly be titrated to a therapeutic dose. In addition, preventive treatment should be included as part of an overall plan that encompasses lifestyle changes, trigger reduction, and a strategy for withdrawal of medication.

Pharmacologic Options

The FDA has approved several drugs for migraine prevention, including divalproex sodium, topiramate, propranolol, timolol, and methysergide. Of all classes of migraine preventive therapy, antiseizure medications have the most support in the data. Topiramate is “a top choice” for migraine prevention because Class I evidence supports its efficacy and it is fairly well tolerated, said Dr. McAllister. Topiramate was also approved for children based on a double-blind study of participants between ages 12 and 17. Divalproex, another antiseizure medication, has high efficacy, but side effects such as weight gain, hair loss, tremor, teratogenicity, increased liver function tests, and increased risk for pancreatitis make the drug unattractive to many.

Antihypertensive medicines also may be used for migraine prevention. Much research supports the efficacy of beta blockers in migraine prevention, and doctors can help patients manage their associated side effects. Metoprolol, a beta blocker, may be more tolerable for someone with asthma or glucose issues because it is selective for β1. Although physicians have used verapamil, a calcium channel blocker, for migraine prevention, the most recent guidelines give a Level U recommendation for its use because of conflicting or insufficient evidence. Lisinopril, an angiotensin-converting-enzyme inhibitor, and candesartan, an angiotensin receptor blocking agent, have good side effect profiles. These drugs are recommended for patients with mild hypertension. American guidelines provide a Level C recommendation of clonidine, but Canadian guidelines recommend against using the drug because of insufficient evidence and concern about the side effects.

Nonpharmacologic Options

Neurologists who seek to avoid pharmacologic treatments may choose options such as biologics or neurostimulators. OnabotulinumtoxinA injections are approved for patients with chronic migraine. Administered properly, the treatment has no systemic side effects and few local side effects.

In 2014, the FDA allowed the Cefaly device, which stimulates the trigeminal nerve, to be marketed for the prevention of migraine. In 2013, 67 patients with migraine were randomized to supraorbital stimulation with Cefaly or sham stimulation. The number of headache days per month decreased from seven to five among the participants randomized to Cefaly. Patients who received sham stimulation had no change in this end point.

Some patients may be interested in complementary or alternative treatment options like biofeedback. Biofeedback allows patients to monitor and change certain physiologic parameters (eg, muscle contraction and skin temperature) and is used to treat insomnia and anxiety. This therapy can be combined with a migraine preventive drug for the best results. Controlled studies indicate that biofeedback can result in a 45% to 60% headache reduction. When combined with medication, biofeedback reduces headache by more than 70%. Children and adolescents can also benefit from this treatment.

 

 

Selecting Individualized Migraine Prevention Treatment

Once a neurologist has given a proper diagnosis, he or she should thoroughly review the patient’s profile to select the proper migraine prevention therapy. Gender, age, childbearing potential, and BMI are factors to consider when finding the best treatment for a given patient. “When you know you have to put someone on a medicine, you should know the side effects and be able to discuss them,” said Dr. McAllister. “I like to come up with a scatter plot in my head looking at increasing safety and tolerability on the y axis and increasing efficacy on the x axis…. If someone is really sensitive, you might want to aim towards the more tolerable medications.” For a patient with exceptionally painful headaches, it’s better to treat with highly efficacious drugs, despite their side effects, he added.

No migraine preventive therapy is pregnancy category A, said Dr. McAllister. None has been demonstrated safe for the unborn child. Nonsteroidal anti-inflammatory drugs are pregnancy category B and are recommended only during the first two trimesters. Metoclopramide and acetaminophen are also pregnancy category B. Category C drugs include amitriptyline, propranolol, verapamil, and onabotulinumtoxinA injections. Topiramate should not be used during pregnancy because it increases the risk for cleft palate in the child. Clear evidence indicates that divalproex is a teratogen.

Every patient with migraine should work with his or her doctor to find the most efficacious strategy for treatment. “What is the ideal migraine preventive drug? It should decrease the number of headache days or attacks, attenuate the intensity—of not just the pain, but the associated symptoms—render acute treatment, be effective, and have low or no side effects,” Dr. McAllister concluded.

Erica Robinson

References

Suggested Reading
Loder E, Burch R, Rizzoli P. The 2012 AHS/AAN guidelines for prevention of episodic migraine: a summary and comparison with other recent clinical practice guidelines. Headache. 2012;52(6):930-945.
Schoenen J, Vandersmissen B, Jeangette S, et al. Migraine prevention with a supraorbital transcutaneous stimulator: a randomized controlled trial. Neurology. 2013;80(8):697-704.
Silberstein SD, Holland S, Freitag F, et al. Evidence-based guideline update: pharmacologic treatment for episodic migraine prevention in adults: report of the Quality Standards Subcommittee of the American Academy of Neurology and the American Headache Society. Neurology. 2012;78(17):1337-1345.

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STOWE, VERMONT—Many treament options are available for migraine prevention. Developing customized treatment strategies for patients is essential. At the 26th Annual Stowe Headache Symposium of the Headache Cooperative of New England, Peter McAllister, MD, discussed the most efficacious migraine prevention therapies. He also gave guidance on deciding who needs preventive therapy and how to choose the right preventive treatment for each patient.

Who Needs Migraine Prevention Therapy?

Migraine prevention therapy is underutilized. Thirty-eight percent of patients could benefit from migraine prevention therapy, but only 3% to 13% are actually receiving it, according to 2012 guidelines from the AAN and the American Headache Society. Frequency of headaches and functional disability are the main criteria for deciding which patients need preventive treatment. According to the 2012 US Headache Consortium Guidelines, migraineurs with six or more headache days per month, four or more headache days with functional disability, or three or more headache days per month resulting in disability requiring bed rest, should be offered migraine preventive medication. The Canadian Prophylactic Guidelines Development Group 2012 recommended that prophylactic therapy be considered for patients whose migraine attacks have a significant impact on their lives, despite appropriate use of acute medications, trigger management, and lifestyle modification strategies.

Disability may be the more important of the two criteria. “If [a patient is] disabled, we really have to push and be aggressive with preventive medications,” said Dr. McAllister, Medical Director of the New England Institute for Neurology and Headache in Stamford, Connecticut. A guiding principle to consider when deciding who should receive preventive therapy is that an accurate diagnosis follows the International Headache Society, third edition (ICHD-3) guidelines. Dr. McAllister also advised doctors to make sure that patients keep headache diaries and to set realistic treatment goals. He also emphasized the importance of understanding patients’ medical and psychiatric conditions. In general, drug treatment should start with a low dose and slowly be titrated to a therapeutic dose. In addition, preventive treatment should be included as part of an overall plan that encompasses lifestyle changes, trigger reduction, and a strategy for withdrawal of medication.

Pharmacologic Options

The FDA has approved several drugs for migraine prevention, including divalproex sodium, topiramate, propranolol, timolol, and methysergide. Of all classes of migraine preventive therapy, antiseizure medications have the most support in the data. Topiramate is “a top choice” for migraine prevention because Class I evidence supports its efficacy and it is fairly well tolerated, said Dr. McAllister. Topiramate was also approved for children based on a double-blind study of participants between ages 12 and 17. Divalproex, another antiseizure medication, has high efficacy, but side effects such as weight gain, hair loss, tremor, teratogenicity, increased liver function tests, and increased risk for pancreatitis make the drug unattractive to many.

Antihypertensive medicines also may be used for migraine prevention. Much research supports the efficacy of beta blockers in migraine prevention, and doctors can help patients manage their associated side effects. Metoprolol, a beta blocker, may be more tolerable for someone with asthma or glucose issues because it is selective for β1. Although physicians have used verapamil, a calcium channel blocker, for migraine prevention, the most recent guidelines give a Level U recommendation for its use because of conflicting or insufficient evidence. Lisinopril, an angiotensin-converting-enzyme inhibitor, and candesartan, an angiotensin receptor blocking agent, have good side effect profiles. These drugs are recommended for patients with mild hypertension. American guidelines provide a Level C recommendation of clonidine, but Canadian guidelines recommend against using the drug because of insufficient evidence and concern about the side effects.

Nonpharmacologic Options

Neurologists who seek to avoid pharmacologic treatments may choose options such as biologics or neurostimulators. OnabotulinumtoxinA injections are approved for patients with chronic migraine. Administered properly, the treatment has no systemic side effects and few local side effects.

In 2014, the FDA allowed the Cefaly device, which stimulates the trigeminal nerve, to be marketed for the prevention of migraine. In 2013, 67 patients with migraine were randomized to supraorbital stimulation with Cefaly or sham stimulation. The number of headache days per month decreased from seven to five among the participants randomized to Cefaly. Patients who received sham stimulation had no change in this end point.

Some patients may be interested in complementary or alternative treatment options like biofeedback. Biofeedback allows patients to monitor and change certain physiologic parameters (eg, muscle contraction and skin temperature) and is used to treat insomnia and anxiety. This therapy can be combined with a migraine preventive drug for the best results. Controlled studies indicate that biofeedback can result in a 45% to 60% headache reduction. When combined with medication, biofeedback reduces headache by more than 70%. Children and adolescents can also benefit from this treatment.

 

 

Selecting Individualized Migraine Prevention Treatment

Once a neurologist has given a proper diagnosis, he or she should thoroughly review the patient’s profile to select the proper migraine prevention therapy. Gender, age, childbearing potential, and BMI are factors to consider when finding the best treatment for a given patient. “When you know you have to put someone on a medicine, you should know the side effects and be able to discuss them,” said Dr. McAllister. “I like to come up with a scatter plot in my head looking at increasing safety and tolerability on the y axis and increasing efficacy on the x axis…. If someone is really sensitive, you might want to aim towards the more tolerable medications.” For a patient with exceptionally painful headaches, it’s better to treat with highly efficacious drugs, despite their side effects, he added.

No migraine preventive therapy is pregnancy category A, said Dr. McAllister. None has been demonstrated safe for the unborn child. Nonsteroidal anti-inflammatory drugs are pregnancy category B and are recommended only during the first two trimesters. Metoclopramide and acetaminophen are also pregnancy category B. Category C drugs include amitriptyline, propranolol, verapamil, and onabotulinumtoxinA injections. Topiramate should not be used during pregnancy because it increases the risk for cleft palate in the child. Clear evidence indicates that divalproex is a teratogen.

Every patient with migraine should work with his or her doctor to find the most efficacious strategy for treatment. “What is the ideal migraine preventive drug? It should decrease the number of headache days or attacks, attenuate the intensity—of not just the pain, but the associated symptoms—render acute treatment, be effective, and have low or no side effects,” Dr. McAllister concluded.

Erica Robinson

STOWE, VERMONT—Many treament options are available for migraine prevention. Developing customized treatment strategies for patients is essential. At the 26th Annual Stowe Headache Symposium of the Headache Cooperative of New England, Peter McAllister, MD, discussed the most efficacious migraine prevention therapies. He also gave guidance on deciding who needs preventive therapy and how to choose the right preventive treatment for each patient.

Who Needs Migraine Prevention Therapy?

Migraine prevention therapy is underutilized. Thirty-eight percent of patients could benefit from migraine prevention therapy, but only 3% to 13% are actually receiving it, according to 2012 guidelines from the AAN and the American Headache Society. Frequency of headaches and functional disability are the main criteria for deciding which patients need preventive treatment. According to the 2012 US Headache Consortium Guidelines, migraineurs with six or more headache days per month, four or more headache days with functional disability, or three or more headache days per month resulting in disability requiring bed rest, should be offered migraine preventive medication. The Canadian Prophylactic Guidelines Development Group 2012 recommended that prophylactic therapy be considered for patients whose migraine attacks have a significant impact on their lives, despite appropriate use of acute medications, trigger management, and lifestyle modification strategies.

Disability may be the more important of the two criteria. “If [a patient is] disabled, we really have to push and be aggressive with preventive medications,” said Dr. McAllister, Medical Director of the New England Institute for Neurology and Headache in Stamford, Connecticut. A guiding principle to consider when deciding who should receive preventive therapy is that an accurate diagnosis follows the International Headache Society, third edition (ICHD-3) guidelines. Dr. McAllister also advised doctors to make sure that patients keep headache diaries and to set realistic treatment goals. He also emphasized the importance of understanding patients’ medical and psychiatric conditions. In general, drug treatment should start with a low dose and slowly be titrated to a therapeutic dose. In addition, preventive treatment should be included as part of an overall plan that encompasses lifestyle changes, trigger reduction, and a strategy for withdrawal of medication.

Pharmacologic Options

The FDA has approved several drugs for migraine prevention, including divalproex sodium, topiramate, propranolol, timolol, and methysergide. Of all classes of migraine preventive therapy, antiseizure medications have the most support in the data. Topiramate is “a top choice” for migraine prevention because Class I evidence supports its efficacy and it is fairly well tolerated, said Dr. McAllister. Topiramate was also approved for children based on a double-blind study of participants between ages 12 and 17. Divalproex, another antiseizure medication, has high efficacy, but side effects such as weight gain, hair loss, tremor, teratogenicity, increased liver function tests, and increased risk for pancreatitis make the drug unattractive to many.

Antihypertensive medicines also may be used for migraine prevention. Much research supports the efficacy of beta blockers in migraine prevention, and doctors can help patients manage their associated side effects. Metoprolol, a beta blocker, may be more tolerable for someone with asthma or glucose issues because it is selective for β1. Although physicians have used verapamil, a calcium channel blocker, for migraine prevention, the most recent guidelines give a Level U recommendation for its use because of conflicting or insufficient evidence. Lisinopril, an angiotensin-converting-enzyme inhibitor, and candesartan, an angiotensin receptor blocking agent, have good side effect profiles. These drugs are recommended for patients with mild hypertension. American guidelines provide a Level C recommendation of clonidine, but Canadian guidelines recommend against using the drug because of insufficient evidence and concern about the side effects.

Nonpharmacologic Options

Neurologists who seek to avoid pharmacologic treatments may choose options such as biologics or neurostimulators. OnabotulinumtoxinA injections are approved for patients with chronic migraine. Administered properly, the treatment has no systemic side effects and few local side effects.

In 2014, the FDA allowed the Cefaly device, which stimulates the trigeminal nerve, to be marketed for the prevention of migraine. In 2013, 67 patients with migraine were randomized to supraorbital stimulation with Cefaly or sham stimulation. The number of headache days per month decreased from seven to five among the participants randomized to Cefaly. Patients who received sham stimulation had no change in this end point.

Some patients may be interested in complementary or alternative treatment options like biofeedback. Biofeedback allows patients to monitor and change certain physiologic parameters (eg, muscle contraction and skin temperature) and is used to treat insomnia and anxiety. This therapy can be combined with a migraine preventive drug for the best results. Controlled studies indicate that biofeedback can result in a 45% to 60% headache reduction. When combined with medication, biofeedback reduces headache by more than 70%. Children and adolescents can also benefit from this treatment.

 

 

Selecting Individualized Migraine Prevention Treatment

Once a neurologist has given a proper diagnosis, he or she should thoroughly review the patient’s profile to select the proper migraine prevention therapy. Gender, age, childbearing potential, and BMI are factors to consider when finding the best treatment for a given patient. “When you know you have to put someone on a medicine, you should know the side effects and be able to discuss them,” said Dr. McAllister. “I like to come up with a scatter plot in my head looking at increasing safety and tolerability on the y axis and increasing efficacy on the x axis…. If someone is really sensitive, you might want to aim towards the more tolerable medications.” For a patient with exceptionally painful headaches, it’s better to treat with highly efficacious drugs, despite their side effects, he added.

No migraine preventive therapy is pregnancy category A, said Dr. McAllister. None has been demonstrated safe for the unborn child. Nonsteroidal anti-inflammatory drugs are pregnancy category B and are recommended only during the first two trimesters. Metoclopramide and acetaminophen are also pregnancy category B. Category C drugs include amitriptyline, propranolol, verapamil, and onabotulinumtoxinA injections. Topiramate should not be used during pregnancy because it increases the risk for cleft palate in the child. Clear evidence indicates that divalproex is a teratogen.

Every patient with migraine should work with his or her doctor to find the most efficacious strategy for treatment. “What is the ideal migraine preventive drug? It should decrease the number of headache days or attacks, attenuate the intensity—of not just the pain, but the associated symptoms—render acute treatment, be effective, and have low or no side effects,” Dr. McAllister concluded.

Erica Robinson

References

Suggested Reading
Loder E, Burch R, Rizzoli P. The 2012 AHS/AAN guidelines for prevention of episodic migraine: a summary and comparison with other recent clinical practice guidelines. Headache. 2012;52(6):930-945.
Schoenen J, Vandersmissen B, Jeangette S, et al. Migraine prevention with a supraorbital transcutaneous stimulator: a randomized controlled trial. Neurology. 2013;80(8):697-704.
Silberstein SD, Holland S, Freitag F, et al. Evidence-based guideline update: pharmacologic treatment for episodic migraine prevention in adults: report of the Quality Standards Subcommittee of the American Academy of Neurology and the American Headache Society. Neurology. 2012;78(17):1337-1345.

References

Suggested Reading
Loder E, Burch R, Rizzoli P. The 2012 AHS/AAN guidelines for prevention of episodic migraine: a summary and comparison with other recent clinical practice guidelines. Headache. 2012;52(6):930-945.
Schoenen J, Vandersmissen B, Jeangette S, et al. Migraine prevention with a supraorbital transcutaneous stimulator: a randomized controlled trial. Neurology. 2013;80(8):697-704.
Silberstein SD, Holland S, Freitag F, et al. Evidence-based guideline update: pharmacologic treatment for episodic migraine prevention in adults: report of the Quality Standards Subcommittee of the American Academy of Neurology and the American Headache Society. Neurology. 2012;78(17):1337-1345.

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High Blood Pressure Predicts Motor Decline in Parkinson’s Disease

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High Blood Pressure Predicts Motor Decline in Parkinson’s Disease

VANCOUVER—Elevated systolic blood pressure predicts worsening motor function among patients with Parkinson’s disease, according to research presented at the 68th Annual Meeting of the American Academy of Neurology. Male gender and treatment with lower doses of dopaminergic medications also increase the risk of motor decline in these individuals, said Christina Lineback, a medical student at the University of Michigan in Ann Arbor.

Christina Lineback

Previous data have suggested that the presence and severity of comorbid brain pathologies may explain differences in disease progression between patients with Parkinson’s disease. In 2014, investigators at the University of Michigan found that cardiovascular risk factors such as hypertension, age, and diabetes influence the rate of motor disability accumulation in Parkinson’s disease.

Because high systolic blood pressure is a risk factor for the development of white matter hyperintensities, which in turn correlate with an increased rate of motor disability accumulation, Ms. Lineback and colleagues examined whether blood pressure predicted motor outcomes in patients with Parkinson’s disease. They performed a retrospective analysis of data from the CALM-PD trial, a two-year longitudinal study of 275 participants with Parkinson’s disease who were followed for 102 weeks. Each patient underwent several motor examinations using the Unified Parkinson’s Disease Rating Scale III (UPDRS III), as well as blood pressure measurements. The researchers examined mean systolic blood pressure using a multivariable linear-regression model that controlled for age, sex, disease duration, treatment arm, treatment dose, and open-label levodopa dose equivalence. Motor outcomes were determined by calculating the change in UPDRS III “on” scores from week 4 to week 102.

The study cohort of 275 patients with early Parkinson’s disease included 176 men and 99 women. Participants’ mean age was 60, and mean disease duration was 1.6 years. The overall mean systolic blood pressure was 130 mm Hg. Elevated mean systolic blood pressure was significantly associated with a greater decline in UPDRS III motor scores. In addition, male gender, randomization to pramipexole, and randomization to the lowest drug dose negatively affected motor performance.

Ms. Lineback offered several possible explanations for the association between elevated systolic blood pressure and worsening UPDRS III scores. High blood pressure may have a direct toxic effect on the brain that promotes the loss of neuronal integrity, she said. “Alternatively, elevated systolic blood pressure could serve as a trait marker for other unmeasured pathology … such as other cardiovascular risk factors.” In addition, the association may result from the autonomic dysfunction that is common in Parkinson’s disease. Lastly, the association could result from other unmeasured independent risk factors for motor decline, such as osteoarthritis or socioeconomic status.

One limitation of the study was the lack of information about other disease pathologies that could influence motor score, such as chronic conditions. In addition, the researchers did not account for the use of different classes of blood pressure medications.

“Identifying clinical features associated with more aggressive disease progression in Parkinson’s disease, such as blood pressure, may be important in future studies,” said Ms. Lineback. “Researchers may begin to incorporate these baseline prognostic markers into the randomization stage of future clinical trials.”

Erik Greb

References

Suggested Reading
Kotagal V, Albin RL, Müller ML, et al. Modifiable cardiovascular risk factors and axial motor impairments in Parkinson disease. Neurology. 2014;82(17):1514-1520.
Parkinson Study Group CALM Cohort Investigators. Long-term effect of initiating pramipexole vs levodopa in early Parkinson disease. Arch Neurol. 2009;66(5):563-570.

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VANCOUVER—Elevated systolic blood pressure predicts worsening motor function among patients with Parkinson’s disease, according to research presented at the 68th Annual Meeting of the American Academy of Neurology. Male gender and treatment with lower doses of dopaminergic medications also increase the risk of motor decline in these individuals, said Christina Lineback, a medical student at the University of Michigan in Ann Arbor.

Christina Lineback

Previous data have suggested that the presence and severity of comorbid brain pathologies may explain differences in disease progression between patients with Parkinson’s disease. In 2014, investigators at the University of Michigan found that cardiovascular risk factors such as hypertension, age, and diabetes influence the rate of motor disability accumulation in Parkinson’s disease.

Because high systolic blood pressure is a risk factor for the development of white matter hyperintensities, which in turn correlate with an increased rate of motor disability accumulation, Ms. Lineback and colleagues examined whether blood pressure predicted motor outcomes in patients with Parkinson’s disease. They performed a retrospective analysis of data from the CALM-PD trial, a two-year longitudinal study of 275 participants with Parkinson’s disease who were followed for 102 weeks. Each patient underwent several motor examinations using the Unified Parkinson’s Disease Rating Scale III (UPDRS III), as well as blood pressure measurements. The researchers examined mean systolic blood pressure using a multivariable linear-regression model that controlled for age, sex, disease duration, treatment arm, treatment dose, and open-label levodopa dose equivalence. Motor outcomes were determined by calculating the change in UPDRS III “on” scores from week 4 to week 102.

The study cohort of 275 patients with early Parkinson’s disease included 176 men and 99 women. Participants’ mean age was 60, and mean disease duration was 1.6 years. The overall mean systolic blood pressure was 130 mm Hg. Elevated mean systolic blood pressure was significantly associated with a greater decline in UPDRS III motor scores. In addition, male gender, randomization to pramipexole, and randomization to the lowest drug dose negatively affected motor performance.

Ms. Lineback offered several possible explanations for the association between elevated systolic blood pressure and worsening UPDRS III scores. High blood pressure may have a direct toxic effect on the brain that promotes the loss of neuronal integrity, she said. “Alternatively, elevated systolic blood pressure could serve as a trait marker for other unmeasured pathology … such as other cardiovascular risk factors.” In addition, the association may result from the autonomic dysfunction that is common in Parkinson’s disease. Lastly, the association could result from other unmeasured independent risk factors for motor decline, such as osteoarthritis or socioeconomic status.

One limitation of the study was the lack of information about other disease pathologies that could influence motor score, such as chronic conditions. In addition, the researchers did not account for the use of different classes of blood pressure medications.

“Identifying clinical features associated with more aggressive disease progression in Parkinson’s disease, such as blood pressure, may be important in future studies,” said Ms. Lineback. “Researchers may begin to incorporate these baseline prognostic markers into the randomization stage of future clinical trials.”

Erik Greb

VANCOUVER—Elevated systolic blood pressure predicts worsening motor function among patients with Parkinson’s disease, according to research presented at the 68th Annual Meeting of the American Academy of Neurology. Male gender and treatment with lower doses of dopaminergic medications also increase the risk of motor decline in these individuals, said Christina Lineback, a medical student at the University of Michigan in Ann Arbor.

Christina Lineback

Previous data have suggested that the presence and severity of comorbid brain pathologies may explain differences in disease progression between patients with Parkinson’s disease. In 2014, investigators at the University of Michigan found that cardiovascular risk factors such as hypertension, age, and diabetes influence the rate of motor disability accumulation in Parkinson’s disease.

Because high systolic blood pressure is a risk factor for the development of white matter hyperintensities, which in turn correlate with an increased rate of motor disability accumulation, Ms. Lineback and colleagues examined whether blood pressure predicted motor outcomes in patients with Parkinson’s disease. They performed a retrospective analysis of data from the CALM-PD trial, a two-year longitudinal study of 275 participants with Parkinson’s disease who were followed for 102 weeks. Each patient underwent several motor examinations using the Unified Parkinson’s Disease Rating Scale III (UPDRS III), as well as blood pressure measurements. The researchers examined mean systolic blood pressure using a multivariable linear-regression model that controlled for age, sex, disease duration, treatment arm, treatment dose, and open-label levodopa dose equivalence. Motor outcomes were determined by calculating the change in UPDRS III “on” scores from week 4 to week 102.

The study cohort of 275 patients with early Parkinson’s disease included 176 men and 99 women. Participants’ mean age was 60, and mean disease duration was 1.6 years. The overall mean systolic blood pressure was 130 mm Hg. Elevated mean systolic blood pressure was significantly associated with a greater decline in UPDRS III motor scores. In addition, male gender, randomization to pramipexole, and randomization to the lowest drug dose negatively affected motor performance.

Ms. Lineback offered several possible explanations for the association between elevated systolic blood pressure and worsening UPDRS III scores. High blood pressure may have a direct toxic effect on the brain that promotes the loss of neuronal integrity, she said. “Alternatively, elevated systolic blood pressure could serve as a trait marker for other unmeasured pathology … such as other cardiovascular risk factors.” In addition, the association may result from the autonomic dysfunction that is common in Parkinson’s disease. Lastly, the association could result from other unmeasured independent risk factors for motor decline, such as osteoarthritis or socioeconomic status.

One limitation of the study was the lack of information about other disease pathologies that could influence motor score, such as chronic conditions. In addition, the researchers did not account for the use of different classes of blood pressure medications.

“Identifying clinical features associated with more aggressive disease progression in Parkinson’s disease, such as blood pressure, may be important in future studies,” said Ms. Lineback. “Researchers may begin to incorporate these baseline prognostic markers into the randomization stage of future clinical trials.”

Erik Greb

References

Suggested Reading
Kotagal V, Albin RL, Müller ML, et al. Modifiable cardiovascular risk factors and axial motor impairments in Parkinson disease. Neurology. 2014;82(17):1514-1520.
Parkinson Study Group CALM Cohort Investigators. Long-term effect of initiating pramipexole vs levodopa in early Parkinson disease. Arch Neurol. 2009;66(5):563-570.

References

Suggested Reading
Kotagal V, Albin RL, Müller ML, et al. Modifiable cardiovascular risk factors and axial motor impairments in Parkinson disease. Neurology. 2014;82(17):1514-1520.
Parkinson Study Group CALM Cohort Investigators. Long-term effect of initiating pramipexole vs levodopa in early Parkinson disease. Arch Neurol. 2009;66(5):563-570.

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Investigational CDK4/6 inhibitor shows activity, less toxicity

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Abemaciclib, a CDK4/6 inhibitor, showed durable clinical activity when given as continuous single-agent therapy to patients with advanced cancer, including breast cancer and non–small-cell lung cancer, according to investigators.

Neutropenia was rarely observed in patients treated with abemaciclib, the toxicity observed in some patients who receive the only Food and Drug Administration–approved CDK4/6 inhibitor, palbociclib.

“Abemaciclib is a small-molecule inhibitor of CDK4 and CDK6 that is structurally distinct from other dual inhibitors (such as palbociclib and ribociclib) and notably exhibits greater selectivity for CDK4 compared with CDK6,” wrote Dr. Amita Patnaik of South Texas Accelerated Research Therapeutics and her associates (Cancer Discov. 2016 May 23. doi: 10.1158/2159-8290.CD-16-0095).

Furthermore, preclinical models indicate that the drug can cross the blood-brain barrier, suggesting potential efficacy against primary and metastatic tumors involving the central nervous system, they said.

A total of 225 patients with various types of advanced cancers were enrolled in this multicohort phase I study (dose escalation, n = 33; single-agent abemaciclib therapy for breast cancer, n = 47; non–small-cell lung cancer, n = 68; glioblastoma, n = 17; melanoma, n = 26; colorectal cancer, n = 15; abemaciclib plus fulvestrant combination therapy for hormone receptor–positive breast cancer, n = 19). Abemaciclib was given orally to all patients.

Neither dose-limiting toxicity nor maximum tolerated dose was reached in patients treated at levels of 50 mg, 100 mg, 150 mg, or 225 mg once daily. The maximum tolerated dose was 200 mg for patients treated with abemaciclib twice daily.

In the single-agent breast cancer cohort, the disease control rate was 81% for hormone receptor–positive (HR-positive) tumors, 33% for HR-negative tumors, 100% for HR-positive HER2-positive tumors, 72% for HR-positive HER2-negative tumors, and 70% overall. The response rate was 31% for HR-positive tumors, 0% for HR-negative tumors, 36% for HR-positive HER2-positive tumors, 28% for HR-positive HER2-negative tumors, and 23% overall.

The overall response rate was 21% for breast cancer patients receiving abemaciclib plus fulvestrant.

Among the 68 patients with non–small-cell lung cancer, 2 had a partial response and 31 had stable disease. Of the 26 patients with melanoma, 1 had a partial response and 6 had stable disease. Of the 17 patients with glioblastoma, 3 had stable disease.

Overall, there were no study-related deaths. Diarrhea, nausea, and fatigue were the most common adverse events; all were reversible.

Neutropenia was observed in 39 patients (23% of 173 patients in the single-agent tumor-specific cohort) – 2 were grade 4 events. Grade 3 neutropenia occurred in 6 patients (32% of 19 patients with HR-positive breast cancer receiving combination therapy with abemaciclib plus fulvestrant).

“Previous reports have identified neutropenia as an adverse event associated with dual inhibition of CDK4 and CDK6. However, abemaciclib given as a single agent on a continuous schedule in the tumor-specific cohorts was associated with an acceptable incidence of investigator-reported grade 3 (9%, 16 of 173 patients) or grade 4 (1%, 2 of 173 patients) neutropenia,” wrote the investigators.

“In summary, the results of this clinical trial demonstrate the safety and antitumor activity of abemaciclib as a single agent and support its further development both as monotherapy and in rational combinations. Furthermore, these findings validate CDK4 and CDK6 as anticancer drug targets and translate preclinical predictions regarding therapeutic targeting of cell-cycle derangements in cancer into clinical efficacy,”they wrote.

Eli Lilly funded the study. Eight investigators reported serving in advisory roles, having ownership or stock interest in, or receiving financial compensation from multiple companies including Eli Lilly.

[email protected]

On Twitter @JessCraig_OP

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Abemaciclib, a CDK4/6 inhibitor, showed durable clinical activity when given as continuous single-agent therapy to patients with advanced cancer, including breast cancer and non–small-cell lung cancer, according to investigators.

Neutropenia was rarely observed in patients treated with abemaciclib, the toxicity observed in some patients who receive the only Food and Drug Administration–approved CDK4/6 inhibitor, palbociclib.

“Abemaciclib is a small-molecule inhibitor of CDK4 and CDK6 that is structurally distinct from other dual inhibitors (such as palbociclib and ribociclib) and notably exhibits greater selectivity for CDK4 compared with CDK6,” wrote Dr. Amita Patnaik of South Texas Accelerated Research Therapeutics and her associates (Cancer Discov. 2016 May 23. doi: 10.1158/2159-8290.CD-16-0095).

Furthermore, preclinical models indicate that the drug can cross the blood-brain barrier, suggesting potential efficacy against primary and metastatic tumors involving the central nervous system, they said.

A total of 225 patients with various types of advanced cancers were enrolled in this multicohort phase I study (dose escalation, n = 33; single-agent abemaciclib therapy for breast cancer, n = 47; non–small-cell lung cancer, n = 68; glioblastoma, n = 17; melanoma, n = 26; colorectal cancer, n = 15; abemaciclib plus fulvestrant combination therapy for hormone receptor–positive breast cancer, n = 19). Abemaciclib was given orally to all patients.

Neither dose-limiting toxicity nor maximum tolerated dose was reached in patients treated at levels of 50 mg, 100 mg, 150 mg, or 225 mg once daily. The maximum tolerated dose was 200 mg for patients treated with abemaciclib twice daily.

In the single-agent breast cancer cohort, the disease control rate was 81% for hormone receptor–positive (HR-positive) tumors, 33% for HR-negative tumors, 100% for HR-positive HER2-positive tumors, 72% for HR-positive HER2-negative tumors, and 70% overall. The response rate was 31% for HR-positive tumors, 0% for HR-negative tumors, 36% for HR-positive HER2-positive tumors, 28% for HR-positive HER2-negative tumors, and 23% overall.

The overall response rate was 21% for breast cancer patients receiving abemaciclib plus fulvestrant.

Among the 68 patients with non–small-cell lung cancer, 2 had a partial response and 31 had stable disease. Of the 26 patients with melanoma, 1 had a partial response and 6 had stable disease. Of the 17 patients with glioblastoma, 3 had stable disease.

Overall, there were no study-related deaths. Diarrhea, nausea, and fatigue were the most common adverse events; all were reversible.

Neutropenia was observed in 39 patients (23% of 173 patients in the single-agent tumor-specific cohort) – 2 were grade 4 events. Grade 3 neutropenia occurred in 6 patients (32% of 19 patients with HR-positive breast cancer receiving combination therapy with abemaciclib plus fulvestrant).

“Previous reports have identified neutropenia as an adverse event associated with dual inhibition of CDK4 and CDK6. However, abemaciclib given as a single agent on a continuous schedule in the tumor-specific cohorts was associated with an acceptable incidence of investigator-reported grade 3 (9%, 16 of 173 patients) or grade 4 (1%, 2 of 173 patients) neutropenia,” wrote the investigators.

“In summary, the results of this clinical trial demonstrate the safety and antitumor activity of abemaciclib as a single agent and support its further development both as monotherapy and in rational combinations. Furthermore, these findings validate CDK4 and CDK6 as anticancer drug targets and translate preclinical predictions regarding therapeutic targeting of cell-cycle derangements in cancer into clinical efficacy,”they wrote.

Eli Lilly funded the study. Eight investigators reported serving in advisory roles, having ownership or stock interest in, or receiving financial compensation from multiple companies including Eli Lilly.

[email protected]

On Twitter @JessCraig_OP

Abemaciclib, a CDK4/6 inhibitor, showed durable clinical activity when given as continuous single-agent therapy to patients with advanced cancer, including breast cancer and non–small-cell lung cancer, according to investigators.

Neutropenia was rarely observed in patients treated with abemaciclib, the toxicity observed in some patients who receive the only Food and Drug Administration–approved CDK4/6 inhibitor, palbociclib.

“Abemaciclib is a small-molecule inhibitor of CDK4 and CDK6 that is structurally distinct from other dual inhibitors (such as palbociclib and ribociclib) and notably exhibits greater selectivity for CDK4 compared with CDK6,” wrote Dr. Amita Patnaik of South Texas Accelerated Research Therapeutics and her associates (Cancer Discov. 2016 May 23. doi: 10.1158/2159-8290.CD-16-0095).

Furthermore, preclinical models indicate that the drug can cross the blood-brain barrier, suggesting potential efficacy against primary and metastatic tumors involving the central nervous system, they said.

A total of 225 patients with various types of advanced cancers were enrolled in this multicohort phase I study (dose escalation, n = 33; single-agent abemaciclib therapy for breast cancer, n = 47; non–small-cell lung cancer, n = 68; glioblastoma, n = 17; melanoma, n = 26; colorectal cancer, n = 15; abemaciclib plus fulvestrant combination therapy for hormone receptor–positive breast cancer, n = 19). Abemaciclib was given orally to all patients.

Neither dose-limiting toxicity nor maximum tolerated dose was reached in patients treated at levels of 50 mg, 100 mg, 150 mg, or 225 mg once daily. The maximum tolerated dose was 200 mg for patients treated with abemaciclib twice daily.

In the single-agent breast cancer cohort, the disease control rate was 81% for hormone receptor–positive (HR-positive) tumors, 33% for HR-negative tumors, 100% for HR-positive HER2-positive tumors, 72% for HR-positive HER2-negative tumors, and 70% overall. The response rate was 31% for HR-positive tumors, 0% for HR-negative tumors, 36% for HR-positive HER2-positive tumors, 28% for HR-positive HER2-negative tumors, and 23% overall.

The overall response rate was 21% for breast cancer patients receiving abemaciclib plus fulvestrant.

Among the 68 patients with non–small-cell lung cancer, 2 had a partial response and 31 had stable disease. Of the 26 patients with melanoma, 1 had a partial response and 6 had stable disease. Of the 17 patients with glioblastoma, 3 had stable disease.

Overall, there were no study-related deaths. Diarrhea, nausea, and fatigue were the most common adverse events; all were reversible.

Neutropenia was observed in 39 patients (23% of 173 patients in the single-agent tumor-specific cohort) – 2 were grade 4 events. Grade 3 neutropenia occurred in 6 patients (32% of 19 patients with HR-positive breast cancer receiving combination therapy with abemaciclib plus fulvestrant).

“Previous reports have identified neutropenia as an adverse event associated with dual inhibition of CDK4 and CDK6. However, abemaciclib given as a single agent on a continuous schedule in the tumor-specific cohorts was associated with an acceptable incidence of investigator-reported grade 3 (9%, 16 of 173 patients) or grade 4 (1%, 2 of 173 patients) neutropenia,” wrote the investigators.

“In summary, the results of this clinical trial demonstrate the safety and antitumor activity of abemaciclib as a single agent and support its further development both as monotherapy and in rational combinations. Furthermore, these findings validate CDK4 and CDK6 as anticancer drug targets and translate preclinical predictions regarding therapeutic targeting of cell-cycle derangements in cancer into clinical efficacy,”they wrote.

Eli Lilly funded the study. Eight investigators reported serving in advisory roles, having ownership or stock interest in, or receiving financial compensation from multiple companies including Eli Lilly.

[email protected]

On Twitter @JessCraig_OP

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Investigational CDK4/6 inhibitor shows activity, less toxicity
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Key clinical point: A phase I trial indicates that abemaciclib is safe and shows activity in treating patients with advanced breast and other cancers.

Major finding: In the single-agent breast cancer cohort, the overall disease control rate was 70%. Incidence of neutropenia was 9% for grade 3 and 1% for grade 4.

Data source: A multicenter phase I dose-escalation and tumor-specific cohort study of 225 patients with advanced cancers.

Disclosures: Eli Lilly funded the study. Eight investigators reported serving in advisory roles, having ownership or stock interest in, or receiving financial compensation from multiple companies including Eli Lilly.

Why access to public bathrooms matters

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Why access to public bathrooms matters

Going to the movies is something I have always enjoyed. What I don’t always enjoy is waiting in line to use the bathroom after the movie is over and invariably picking a stall that has run out of toilet paper or that is in need of cleaning. These minor inconveniences in no way compare to the experiences some of my transgender patients have shared with me. Many of my patients tell me that they avoid using bathrooms in public places because of the anxiety they feel at having to pick a bathroom. Do they use the one that matches their sex assigned at birth or the one that matches their gender identity? Will they be safe and free from harassment in either bathroom? Some of my patients tell me they avoid drinking water at school just so they do not have to deal with going to the bathroom there.

Recently there have been bills introduced in several states that seek to deny transgender youth access to sex-segregated spaces including restrooms and locker rooms. These bills stigmatize an already vulnerable population, potentially increasing their risk of negative health outcomes. In a survey of transgender people in Massachusetts, 65% of respondents reported being discriminated against in public accommodations, and this discrimination was associated with poorer mental and physical health outcomes.1

Dr. Gayathri Chelvakumar

In February of 2016, the American Academy of Pediatrics and several other organizations dedicated to the health and welfare of children came out with a letter to state governors in opposition to these bills.2 It states: “Transgender kids are already at heightened risk for violence, bullying, and harassment, and these bills exacerbate those risks by creating a hostile environment. … In addition, students who would be affected by these bills are among our most vulnerable to experiencing depression and engaging in self-harm, including suicide.”

On May 13, 2016, the U.S. Department of Justice and the U.S. Department of Education jointly issued a letter directing public schools to allow transgender students to use bathrooms that correspond with their gender identity.3 The letter was accompanied by a 25-page document with examples of policies and emerging practices to support transgender students.4

Proponents of these bills state that their purpose is to increase public safety and protect privacy. There are concerns that individuals may take advantage of these policies to sexually harass people in sex-segregated spaces. To date, there are no data to support these claims. In interviews conducted with heads of state police departments in 12 states that have nondiscrimination laws to protect transgender people in public settings, not one of the participants indicated any increase in sexual harassment or abuse in connection with these laws.1 In addition, should any type of harassment occur, it would not be protected under antidiscrimination laws, and perpetrators would be subject to criminal penalties.

What can we do as health care providers to support our patients?

•  Educate ourselves. Keep up to date with best practice guidelines and evidence on how to promote the health and well-being of all children. The National LGBT Health Education Center has many educational resources to help health care providers provide quality care to LGBT patients and families. It is important to be aware of resources to help patients and families be aware of their rights and advocate for themselves in other settings such as school and work. Two organizations that provide this support and information are Trans Youth Family Allies and Lambda Legal.

•  Create safe spaces. Create spaces in our practice settings where children and youth can safely explore their gender identity and gender expression. This can be done by providing access to gender-neutral bathrooms, prominently displaying nondiscrimination policies that are inclusive of gender identity, and modeling recognition of the variety of ways gender can be experienced by asking and using patients’ preferred names and pronouns.

•  Advocate. Advocate for gender-inclusive environments within local youth-serving organizations including schools, medical facilities, and child welfare agencies. Share available information about the potential negative health effects of stigmatization and discrimination in transgender youth.

Together we can work to promote the well-being of all children.

Resources

•  The National LGBT Health Education Center (www.lgbthealtheducation.org/).

•  Trans Youth Family Allies (www.imatyfa.org/).

•  Lambda Legal (www.lambdalegal.org/know-your-rights/youth).

References

1. Policy Brief: State Anti-transgender Bathroom Bills Threaten Transgender People’s Health and Participation in Public Life. Fenway Institute and Center for American Progress, 2016.

2. American Academy of Pediatrics letter on sex-segregated spaces (www.aap.org/en-us/advocacy-and-policy/state-advocacy/Documents/AAP_HRCLetter.pdf).

3. Department of Justice and Department of Education Dear Colleague Letter on Transgender Students (www.justice.gov/opa/file/850996/download).

 

 

4. Department of Education Examples of Policies and Emerging Practices for Supporting Transgender Students (www2.ed.gov/about/offices/list/oese/oshs/emergingpractices.pdf).

Dr. Chelvakumar is an attending physician in the division of adolescent medicine at Nationwide Children’s Hospital and an assistant professor of clinical pediatrics at the Ohio State University, both in Columbus.

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Going to the movies is something I have always enjoyed. What I don’t always enjoy is waiting in line to use the bathroom after the movie is over and invariably picking a stall that has run out of toilet paper or that is in need of cleaning. These minor inconveniences in no way compare to the experiences some of my transgender patients have shared with me. Many of my patients tell me that they avoid using bathrooms in public places because of the anxiety they feel at having to pick a bathroom. Do they use the one that matches their sex assigned at birth or the one that matches their gender identity? Will they be safe and free from harassment in either bathroom? Some of my patients tell me they avoid drinking water at school just so they do not have to deal with going to the bathroom there.

Recently there have been bills introduced in several states that seek to deny transgender youth access to sex-segregated spaces including restrooms and locker rooms. These bills stigmatize an already vulnerable population, potentially increasing their risk of negative health outcomes. In a survey of transgender people in Massachusetts, 65% of respondents reported being discriminated against in public accommodations, and this discrimination was associated with poorer mental and physical health outcomes.1

Dr. Gayathri Chelvakumar

In February of 2016, the American Academy of Pediatrics and several other organizations dedicated to the health and welfare of children came out with a letter to state governors in opposition to these bills.2 It states: “Transgender kids are already at heightened risk for violence, bullying, and harassment, and these bills exacerbate those risks by creating a hostile environment. … In addition, students who would be affected by these bills are among our most vulnerable to experiencing depression and engaging in self-harm, including suicide.”

On May 13, 2016, the U.S. Department of Justice and the U.S. Department of Education jointly issued a letter directing public schools to allow transgender students to use bathrooms that correspond with their gender identity.3 The letter was accompanied by a 25-page document with examples of policies and emerging practices to support transgender students.4

Proponents of these bills state that their purpose is to increase public safety and protect privacy. There are concerns that individuals may take advantage of these policies to sexually harass people in sex-segregated spaces. To date, there are no data to support these claims. In interviews conducted with heads of state police departments in 12 states that have nondiscrimination laws to protect transgender people in public settings, not one of the participants indicated any increase in sexual harassment or abuse in connection with these laws.1 In addition, should any type of harassment occur, it would not be protected under antidiscrimination laws, and perpetrators would be subject to criminal penalties.

What can we do as health care providers to support our patients?

•  Educate ourselves. Keep up to date with best practice guidelines and evidence on how to promote the health and well-being of all children. The National LGBT Health Education Center has many educational resources to help health care providers provide quality care to LGBT patients and families. It is important to be aware of resources to help patients and families be aware of their rights and advocate for themselves in other settings such as school and work. Two organizations that provide this support and information are Trans Youth Family Allies and Lambda Legal.

•  Create safe spaces. Create spaces in our practice settings where children and youth can safely explore their gender identity and gender expression. This can be done by providing access to gender-neutral bathrooms, prominently displaying nondiscrimination policies that are inclusive of gender identity, and modeling recognition of the variety of ways gender can be experienced by asking and using patients’ preferred names and pronouns.

•  Advocate. Advocate for gender-inclusive environments within local youth-serving organizations including schools, medical facilities, and child welfare agencies. Share available information about the potential negative health effects of stigmatization and discrimination in transgender youth.

Together we can work to promote the well-being of all children.

Resources

•  The National LGBT Health Education Center (www.lgbthealtheducation.org/).

•  Trans Youth Family Allies (www.imatyfa.org/).

•  Lambda Legal (www.lambdalegal.org/know-your-rights/youth).

References

1. Policy Brief: State Anti-transgender Bathroom Bills Threaten Transgender People’s Health and Participation in Public Life. Fenway Institute and Center for American Progress, 2016.

2. American Academy of Pediatrics letter on sex-segregated spaces (www.aap.org/en-us/advocacy-and-policy/state-advocacy/Documents/AAP_HRCLetter.pdf).

3. Department of Justice and Department of Education Dear Colleague Letter on Transgender Students (www.justice.gov/opa/file/850996/download).

 

 

4. Department of Education Examples of Policies and Emerging Practices for Supporting Transgender Students (www2.ed.gov/about/offices/list/oese/oshs/emergingpractices.pdf).

Dr. Chelvakumar is an attending physician in the division of adolescent medicine at Nationwide Children’s Hospital and an assistant professor of clinical pediatrics at the Ohio State University, both in Columbus.

Going to the movies is something I have always enjoyed. What I don’t always enjoy is waiting in line to use the bathroom after the movie is over and invariably picking a stall that has run out of toilet paper or that is in need of cleaning. These minor inconveniences in no way compare to the experiences some of my transgender patients have shared with me. Many of my patients tell me that they avoid using bathrooms in public places because of the anxiety they feel at having to pick a bathroom. Do they use the one that matches their sex assigned at birth or the one that matches their gender identity? Will they be safe and free from harassment in either bathroom? Some of my patients tell me they avoid drinking water at school just so they do not have to deal with going to the bathroom there.

Recently there have been bills introduced in several states that seek to deny transgender youth access to sex-segregated spaces including restrooms and locker rooms. These bills stigmatize an already vulnerable population, potentially increasing their risk of negative health outcomes. In a survey of transgender people in Massachusetts, 65% of respondents reported being discriminated against in public accommodations, and this discrimination was associated with poorer mental and physical health outcomes.1

Dr. Gayathri Chelvakumar

In February of 2016, the American Academy of Pediatrics and several other organizations dedicated to the health and welfare of children came out with a letter to state governors in opposition to these bills.2 It states: “Transgender kids are already at heightened risk for violence, bullying, and harassment, and these bills exacerbate those risks by creating a hostile environment. … In addition, students who would be affected by these bills are among our most vulnerable to experiencing depression and engaging in self-harm, including suicide.”

On May 13, 2016, the U.S. Department of Justice and the U.S. Department of Education jointly issued a letter directing public schools to allow transgender students to use bathrooms that correspond with their gender identity.3 The letter was accompanied by a 25-page document with examples of policies and emerging practices to support transgender students.4

Proponents of these bills state that their purpose is to increase public safety and protect privacy. There are concerns that individuals may take advantage of these policies to sexually harass people in sex-segregated spaces. To date, there are no data to support these claims. In interviews conducted with heads of state police departments in 12 states that have nondiscrimination laws to protect transgender people in public settings, not one of the participants indicated any increase in sexual harassment or abuse in connection with these laws.1 In addition, should any type of harassment occur, it would not be protected under antidiscrimination laws, and perpetrators would be subject to criminal penalties.

What can we do as health care providers to support our patients?

•  Educate ourselves. Keep up to date with best practice guidelines and evidence on how to promote the health and well-being of all children. The National LGBT Health Education Center has many educational resources to help health care providers provide quality care to LGBT patients and families. It is important to be aware of resources to help patients and families be aware of their rights and advocate for themselves in other settings such as school and work. Two organizations that provide this support and information are Trans Youth Family Allies and Lambda Legal.

•  Create safe spaces. Create spaces in our practice settings where children and youth can safely explore their gender identity and gender expression. This can be done by providing access to gender-neutral bathrooms, prominently displaying nondiscrimination policies that are inclusive of gender identity, and modeling recognition of the variety of ways gender can be experienced by asking and using patients’ preferred names and pronouns.

•  Advocate. Advocate for gender-inclusive environments within local youth-serving organizations including schools, medical facilities, and child welfare agencies. Share available information about the potential negative health effects of stigmatization and discrimination in transgender youth.

Together we can work to promote the well-being of all children.

Resources

•  The National LGBT Health Education Center (www.lgbthealtheducation.org/).

•  Trans Youth Family Allies (www.imatyfa.org/).

•  Lambda Legal (www.lambdalegal.org/know-your-rights/youth).

References

1. Policy Brief: State Anti-transgender Bathroom Bills Threaten Transgender People’s Health and Participation in Public Life. Fenway Institute and Center for American Progress, 2016.

2. American Academy of Pediatrics letter on sex-segregated spaces (www.aap.org/en-us/advocacy-and-policy/state-advocacy/Documents/AAP_HRCLetter.pdf).

3. Department of Justice and Department of Education Dear Colleague Letter on Transgender Students (www.justice.gov/opa/file/850996/download).

 

 

4. Department of Education Examples of Policies and Emerging Practices for Supporting Transgender Students (www2.ed.gov/about/offices/list/oese/oshs/emergingpractices.pdf).

Dr. Chelvakumar is an attending physician in the division of adolescent medicine at Nationwide Children’s Hospital and an assistant professor of clinical pediatrics at the Ohio State University, both in Columbus.

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Exercise training cuts heart failure mortality

Exercise training underused in heart failure
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Exercise training cuts heart failure mortality

FLORENCE, ITALY – Exercise training boosts the longevity of patients with heart failure.

Although results from several prior randomized, controlled trials had already shown a mortality benefit from exercise training for heart failure patients, these findings have now been confirmed by a meta-analysis that used the original, individual patient raw data collected in 20 separate randomized, controlled trials that together involved more than 4,000 patients. The results showed that an exercise-training intervention run for at least 3 weeks produced a statistically significant, relative reduction in all-cause mortality of 18%, compared with similar patients who had been randomized to usual care without an exercise program, Oriana Ciani, Ph.D., reported at a meeting held by the Heart Failure Association of the European Society of Cardiology.

Mitchel L. Zoler/Frontline Medical News
Dr. Oriana Chiani

The individual patient data meta-analysis using results from randomized, controlled trials also showed a statistically significant 11% relative reduction in the incidence of all-cause hospitalization in heart failure patients during at least 6 months’ follow-up of exercise programs that lasted for at least 3 weeks, said Dr. Ciani, a health technology researcher at the University of Exeter (England).

Her analysis also showed no suggestion of heterogeneity for each of these two beneficial effects from exercise programs, regardless of patients’ age, sex, or baseline levels of left ventricular ejection fraction, heart failure etiology, functional status, or exercise capacity. “No evidence was found to support a differential treatment effect from exercise-based intervention across patient subgroups,” she said.

The Exercise Training for Chronic Heart Failure (ExTraMATCH II) meta-analysis used data collected in randomized trials published through 2014 that involved at least 50 patients, used an exercise intervention for at least 3 weeks, and had follow-up for at least 6 months. Dr. Ciani and her associates identified 20 studies that included a total of 4,043 heart failure patients who fulfilled these criteria and for whom the researchers from the studies were willing to share individual patient data.

The analysis also showed a median time to all-cause mortality of 605 days among patients who received exercise training and 615 days in the controls, and a median time to first all-cause hospitalization of 229 days with exercise training and 241 days in the controls. The percentage of patients who were hospitalized during follow-up was reduced by an absolute 3.8% for those in the exercise group, compared with the controls.

Although the type of exercise intervention used varied among the 20 studies, most involved aerobic training, and some also used resistance training, Dr. Ciani said. She said she plans additional analyses of the data she has collected to examine the impact of exercise in heart failure patients on cardiovascular mortality, heart failure hospitalization, and a combined endpoint of all-cause death and all-cause hospitalization.

[email protected]

On Twitter @mitchelzoler

References

Body

These results are a step forward in confirming the safety and efficacy of exercise training for heart failure patients. It is a good addition to the literature. Its strength is its use of an analysis of individual patient data.

Dr. Theresa A. McDonagh

The findings deliver the important message that exercise rehabilitation is important for all heart failure patients. Currently, uptake of such programs is low, involving about 20% of heart failure patients.

The analysis showed a consistent effect from exercise training across all subgroups examined. The actual reductions in adverse outcomes were meaningful, with a 2% absolute reduction in all-cause mortality and a nearly 4% absolute reduction in all-cause hospitalization. However, the findings do not tell us which type of exercise prescription works best. Future research needs to especially focus on patients with heart failure with preserved ejection fraction to determine whether exercise benefits this particular type of heart failure patient.

Dr. Theresa A. McDonagh is a professor of heart failure at King’s College, London. She made these comments as the designated discussant for the study. She had no relevant financial disclosures.

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Body

These results are a step forward in confirming the safety and efficacy of exercise training for heart failure patients. It is a good addition to the literature. Its strength is its use of an analysis of individual patient data.

Dr. Theresa A. McDonagh

The findings deliver the important message that exercise rehabilitation is important for all heart failure patients. Currently, uptake of such programs is low, involving about 20% of heart failure patients.

The analysis showed a consistent effect from exercise training across all subgroups examined. The actual reductions in adverse outcomes were meaningful, with a 2% absolute reduction in all-cause mortality and a nearly 4% absolute reduction in all-cause hospitalization. However, the findings do not tell us which type of exercise prescription works best. Future research needs to especially focus on patients with heart failure with preserved ejection fraction to determine whether exercise benefits this particular type of heart failure patient.

Dr. Theresa A. McDonagh is a professor of heart failure at King’s College, London. She made these comments as the designated discussant for the study. She had no relevant financial disclosures.

Body

These results are a step forward in confirming the safety and efficacy of exercise training for heart failure patients. It is a good addition to the literature. Its strength is its use of an analysis of individual patient data.

Dr. Theresa A. McDonagh

The findings deliver the important message that exercise rehabilitation is important for all heart failure patients. Currently, uptake of such programs is low, involving about 20% of heart failure patients.

The analysis showed a consistent effect from exercise training across all subgroups examined. The actual reductions in adverse outcomes were meaningful, with a 2% absolute reduction in all-cause mortality and a nearly 4% absolute reduction in all-cause hospitalization. However, the findings do not tell us which type of exercise prescription works best. Future research needs to especially focus on patients with heart failure with preserved ejection fraction to determine whether exercise benefits this particular type of heart failure patient.

Dr. Theresa A. McDonagh is a professor of heart failure at King’s College, London. She made these comments as the designated discussant for the study. She had no relevant financial disclosures.

Title
Exercise training underused in heart failure
Exercise training underused in heart failure

FLORENCE, ITALY – Exercise training boosts the longevity of patients with heart failure.

Although results from several prior randomized, controlled trials had already shown a mortality benefit from exercise training for heart failure patients, these findings have now been confirmed by a meta-analysis that used the original, individual patient raw data collected in 20 separate randomized, controlled trials that together involved more than 4,000 patients. The results showed that an exercise-training intervention run for at least 3 weeks produced a statistically significant, relative reduction in all-cause mortality of 18%, compared with similar patients who had been randomized to usual care without an exercise program, Oriana Ciani, Ph.D., reported at a meeting held by the Heart Failure Association of the European Society of Cardiology.

Mitchel L. Zoler/Frontline Medical News
Dr. Oriana Chiani

The individual patient data meta-analysis using results from randomized, controlled trials also showed a statistically significant 11% relative reduction in the incidence of all-cause hospitalization in heart failure patients during at least 6 months’ follow-up of exercise programs that lasted for at least 3 weeks, said Dr. Ciani, a health technology researcher at the University of Exeter (England).

Her analysis also showed no suggestion of heterogeneity for each of these two beneficial effects from exercise programs, regardless of patients’ age, sex, or baseline levels of left ventricular ejection fraction, heart failure etiology, functional status, or exercise capacity. “No evidence was found to support a differential treatment effect from exercise-based intervention across patient subgroups,” she said.

The Exercise Training for Chronic Heart Failure (ExTraMATCH II) meta-analysis used data collected in randomized trials published through 2014 that involved at least 50 patients, used an exercise intervention for at least 3 weeks, and had follow-up for at least 6 months. Dr. Ciani and her associates identified 20 studies that included a total of 4,043 heart failure patients who fulfilled these criteria and for whom the researchers from the studies were willing to share individual patient data.

The analysis also showed a median time to all-cause mortality of 605 days among patients who received exercise training and 615 days in the controls, and a median time to first all-cause hospitalization of 229 days with exercise training and 241 days in the controls. The percentage of patients who were hospitalized during follow-up was reduced by an absolute 3.8% for those in the exercise group, compared with the controls.

Although the type of exercise intervention used varied among the 20 studies, most involved aerobic training, and some also used resistance training, Dr. Ciani said. She said she plans additional analyses of the data she has collected to examine the impact of exercise in heart failure patients on cardiovascular mortality, heart failure hospitalization, and a combined endpoint of all-cause death and all-cause hospitalization.

[email protected]

On Twitter @mitchelzoler

FLORENCE, ITALY – Exercise training boosts the longevity of patients with heart failure.

Although results from several prior randomized, controlled trials had already shown a mortality benefit from exercise training for heart failure patients, these findings have now been confirmed by a meta-analysis that used the original, individual patient raw data collected in 20 separate randomized, controlled trials that together involved more than 4,000 patients. The results showed that an exercise-training intervention run for at least 3 weeks produced a statistically significant, relative reduction in all-cause mortality of 18%, compared with similar patients who had been randomized to usual care without an exercise program, Oriana Ciani, Ph.D., reported at a meeting held by the Heart Failure Association of the European Society of Cardiology.

Mitchel L. Zoler/Frontline Medical News
Dr. Oriana Chiani

The individual patient data meta-analysis using results from randomized, controlled trials also showed a statistically significant 11% relative reduction in the incidence of all-cause hospitalization in heart failure patients during at least 6 months’ follow-up of exercise programs that lasted for at least 3 weeks, said Dr. Ciani, a health technology researcher at the University of Exeter (England).

Her analysis also showed no suggestion of heterogeneity for each of these two beneficial effects from exercise programs, regardless of patients’ age, sex, or baseline levels of left ventricular ejection fraction, heart failure etiology, functional status, or exercise capacity. “No evidence was found to support a differential treatment effect from exercise-based intervention across patient subgroups,” she said.

The Exercise Training for Chronic Heart Failure (ExTraMATCH II) meta-analysis used data collected in randomized trials published through 2014 that involved at least 50 patients, used an exercise intervention for at least 3 weeks, and had follow-up for at least 6 months. Dr. Ciani and her associates identified 20 studies that included a total of 4,043 heart failure patients who fulfilled these criteria and for whom the researchers from the studies were willing to share individual patient data.

The analysis also showed a median time to all-cause mortality of 605 days among patients who received exercise training and 615 days in the controls, and a median time to first all-cause hospitalization of 229 days with exercise training and 241 days in the controls. The percentage of patients who were hospitalized during follow-up was reduced by an absolute 3.8% for those in the exercise group, compared with the controls.

Although the type of exercise intervention used varied among the 20 studies, most involved aerobic training, and some also used resistance training, Dr. Ciani said. She said she plans additional analyses of the data she has collected to examine the impact of exercise in heart failure patients on cardiovascular mortality, heart failure hospitalization, and a combined endpoint of all-cause death and all-cause hospitalization.

[email protected]

On Twitter @mitchelzoler

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Key clinical point: A meta-analysis of 20 randomized controlled studies confirmed that an exercise training intervention in heart failure patients significantly reduces mortality and hospitalizations.

Major finding: All-cause mortality fell by a relative 18% in heart failure patients who underwent exercise training, compared with controls.

Data source: Individual patient data meta-analysis for 4,043 patients from 20 studies.

Disclosures: Dr. Ciani had no relevant financial disclosures.

Crossing your ‘t’s: Practice policies for the private practitioner

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Developing your practice policies and sharing them with your patients is essential to building long-term, trusting relationships. Having a clear starting point helps avert disagreement down the road and allows patients to feel comfortable knowing what they are getting in to, which will provide a foundation on which you and the patient can focus on clinical matters.


What’s in a policy?
Policies should cover administrative aspects of care, such as mandated disclosures; relevant Health Insurance Portability and Accountability Act and Health Information Technology for Economic and Clinical Health Act information; hospital privilege status; and fees and payment policies. Your policies also will touch on areas where business overlaps with patient care, such as confidentiality and its limits, communication methods outside of session, and the risks and benefits of treatment (Table).
 


Address communication and billing policies for complex scenarios. Although these scenarios might not come up often, if you wait until you are confronted with the situation, the patient might (rightly) feel that she (he) wasn’t properly informed before giving consent. For example:

  • For college students. Do you try to build college students’ autonomy by sending them all billing statements directly? If not, how will you handle the diagnosis code that appears on the statement, which their parents could see? What if the student doesn’t act on the statements—will you start mailing them to the parents? Should you mandate that you be able to talk with their parents?
  • For adolescents. Consider whether you will allow them to communicate with you directly. Will they be able to e-mail you? How will you communicate with her (his) parents if your relationship is primarily with the teenager? How will you handle medication changes when the teenager prefers you keep everything private, but the parents have the right to informed consent?
  • Will you charge for the time it takes you to talk with other providers (CPT 90887); review reports (CPT 90885); for e-mails or phone calls that are only a minute, or 10 minutes (e-mail, CPT 99444; brief phone calls, CPT 99441); or out-of-session refills? What if an insurance company does, or doesn’t, cover these codes? Is it different for patients you see occasionally for medication checks and for those whom you see weekly for therapy?


Psychodynamics of policies
Nowhere does being both a business and a service intersect more than when discussing how much you charge, and for what services. Patients may have little understanding of all the time you spend on their care, and why you choose to bill or not to bill for certain services. They could naturally develop transference reactions based on your policies, or might not even read them and just sign off, which also can give you useful clinical data.

Patients should review and accept your policies before the first appointment is booked. However, it is still meaningful to extend the opportunity to discuss them with a patient at the first session—but if they do not want to ask questions or discuss administrative matters, then follow their lead. By at least offering, this conveys to the patient that you wish to develop a trusting relationship, and that you are open to addressing conflicts or confusion at the beginning.


A valuable investment in time
Spending a bit of time now to create or review your current policies will save a lot of time—and perhaps money or legal action—later. If you can’t think of every scenario or issue today, don’t fret. Your experience in practice will inevitably lead you to recalibrate and update your policies. What’s most important is that your patients know where you stand and that they can trust you over the long-term.

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Developing your practice policies and sharing them with your patients is essential to building long-term, trusting relationships. Having a clear starting point helps avert disagreement down the road and allows patients to feel comfortable knowing what they are getting in to, which will provide a foundation on which you and the patient can focus on clinical matters.


What’s in a policy?
Policies should cover administrative aspects of care, such as mandated disclosures; relevant Health Insurance Portability and Accountability Act and Health Information Technology for Economic and Clinical Health Act information; hospital privilege status; and fees and payment policies. Your policies also will touch on areas where business overlaps with patient care, such as confidentiality and its limits, communication methods outside of session, and the risks and benefits of treatment (Table).
 


Address communication and billing policies for complex scenarios. Although these scenarios might not come up often, if you wait until you are confronted with the situation, the patient might (rightly) feel that she (he) wasn’t properly informed before giving consent. For example:

  • For college students. Do you try to build college students’ autonomy by sending them all billing statements directly? If not, how will you handle the diagnosis code that appears on the statement, which their parents could see? What if the student doesn’t act on the statements—will you start mailing them to the parents? Should you mandate that you be able to talk with their parents?
  • For adolescents. Consider whether you will allow them to communicate with you directly. Will they be able to e-mail you? How will you communicate with her (his) parents if your relationship is primarily with the teenager? How will you handle medication changes when the teenager prefers you keep everything private, but the parents have the right to informed consent?
  • Will you charge for the time it takes you to talk with other providers (CPT 90887); review reports (CPT 90885); for e-mails or phone calls that are only a minute, or 10 minutes (e-mail, CPT 99444; brief phone calls, CPT 99441); or out-of-session refills? What if an insurance company does, or doesn’t, cover these codes? Is it different for patients you see occasionally for medication checks and for those whom you see weekly for therapy?


Psychodynamics of policies
Nowhere does being both a business and a service intersect more than when discussing how much you charge, and for what services. Patients may have little understanding of all the time you spend on their care, and why you choose to bill or not to bill for certain services. They could naturally develop transference reactions based on your policies, or might not even read them and just sign off, which also can give you useful clinical data.

Patients should review and accept your policies before the first appointment is booked. However, it is still meaningful to extend the opportunity to discuss them with a patient at the first session—but if they do not want to ask questions or discuss administrative matters, then follow their lead. By at least offering, this conveys to the patient that you wish to develop a trusting relationship, and that you are open to addressing conflicts or confusion at the beginning.


A valuable investment in time
Spending a bit of time now to create or review your current policies will save a lot of time—and perhaps money or legal action—later. If you can’t think of every scenario or issue today, don’t fret. Your experience in practice will inevitably lead you to recalibrate and update your policies. What’s most important is that your patients know where you stand and that they can trust you over the long-term.

Developing your practice policies and sharing them with your patients is essential to building long-term, trusting relationships. Having a clear starting point helps avert disagreement down the road and allows patients to feel comfortable knowing what they are getting in to, which will provide a foundation on which you and the patient can focus on clinical matters.


What’s in a policy?
Policies should cover administrative aspects of care, such as mandated disclosures; relevant Health Insurance Portability and Accountability Act and Health Information Technology for Economic and Clinical Health Act information; hospital privilege status; and fees and payment policies. Your policies also will touch on areas where business overlaps with patient care, such as confidentiality and its limits, communication methods outside of session, and the risks and benefits of treatment (Table).
 


Address communication and billing policies for complex scenarios. Although these scenarios might not come up often, if you wait until you are confronted with the situation, the patient might (rightly) feel that she (he) wasn’t properly informed before giving consent. For example:

  • For college students. Do you try to build college students’ autonomy by sending them all billing statements directly? If not, how will you handle the diagnosis code that appears on the statement, which their parents could see? What if the student doesn’t act on the statements—will you start mailing them to the parents? Should you mandate that you be able to talk with their parents?
  • For adolescents. Consider whether you will allow them to communicate with you directly. Will they be able to e-mail you? How will you communicate with her (his) parents if your relationship is primarily with the teenager? How will you handle medication changes when the teenager prefers you keep everything private, but the parents have the right to informed consent?
  • Will you charge for the time it takes you to talk with other providers (CPT 90887); review reports (CPT 90885); for e-mails or phone calls that are only a minute, or 10 minutes (e-mail, CPT 99444; brief phone calls, CPT 99441); or out-of-session refills? What if an insurance company does, or doesn’t, cover these codes? Is it different for patients you see occasionally for medication checks and for those whom you see weekly for therapy?


Psychodynamics of policies
Nowhere does being both a business and a service intersect more than when discussing how much you charge, and for what services. Patients may have little understanding of all the time you spend on their care, and why you choose to bill or not to bill for certain services. They could naturally develop transference reactions based on your policies, or might not even read them and just sign off, which also can give you useful clinical data.

Patients should review and accept your policies before the first appointment is booked. However, it is still meaningful to extend the opportunity to discuss them with a patient at the first session—but if they do not want to ask questions or discuss administrative matters, then follow their lead. By at least offering, this conveys to the patient that you wish to develop a trusting relationship, and that you are open to addressing conflicts or confusion at the beginning.


A valuable investment in time
Spending a bit of time now to create or review your current policies will save a lot of time—and perhaps money or legal action—later. If you can’t think of every scenario or issue today, don’t fret. Your experience in practice will inevitably lead you to recalibrate and update your policies. What’s most important is that your patients know where you stand and that they can trust you over the long-term.

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Atrial Fibrillation and Stroke May Be Temporally Related

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CHICAGO—One-third of a large cohort of patients with an implantable cardiac device in place at the time of an ischemic stroke had one or more episodes of atrial fibrillation within the previous 30 days, Rhea C. Pimentel, MD, said at the 65th Annual Meeting of the American College of Cardiology.

The in-hospital mortality rate of these atrial fibrillation–related strokes was high: 11 of 42 (26%) patients with this event died during their stroke hospitalization, compared with six of 83 (7%) patients whose strokes were not temporally related to atrial fibrillation, said Dr. Pimentel, an electrophysiologist at the University of Kansas Medical Center in Kansas City.

Data from the Framingham Heart Study and other sources suggest that stroke in patients with atrial fibrillation entails about double the mortality rate of strokes in patients without atrial fibrillation. Mortality associated with atrial fibrillation–related stroke in the study was probably much higher because the hospital serves as a comprehensive stroke center and admits patients from across the Midwest, she said.

Dr. Pimentel reported data on 125 patients who presented with an ischemic stroke when a cardiac monitoring device was in place. This study is described as the largest patient series ever reported. Patients’ mean age was 73, and 41% were women. The mean CHADS2 score was 3.96 and the mean CHA2DS2-VASc score was 5.28. Of the patients, 62% had a pacemaker; the rest had an implantable cardioverter-defibrillator or cardiac resynchronization device. One-quarter of the group had a prior history of atrial fibrillation, and a fifth were on an oral anticoagulant—warfarin, in 70% of cases—at the time of their stroke.

Investigators defined a stroke-related atrial fibrillation episode as a total of at least one hour spent in atrial fibrillation at 30 days preceding the stroke. Eighty percent of affected patients had paroxysmal atrial fibrillation. They typically fulfilled the one-hour atrial fibrillation requirement with multiple short, self-terminated episodes rather than with an hour-long episode.

Being on an oral anticoagulant had no impact on in-hospital mortality rate, which was 14.2% in patients on warfarin or a newer anticoagulant and 14.3% in those who were not. Dr. Pimentel presented the results of the investigators’ initial look at the data. They are in the process of obtaining the patients’ international normalized ratio data, which “should be enlightening,” she said.

She and her coinvestigators also plan to subdivide their 30-day study period into five-day segments to learn how soon after an atrial fibrillation episode the strokes occurred. Researchers at Stanford University have reported that the greatest stroke risk in patients with atrial fibrillation occurs during the first five days after an atrial fibrillation episode. Dr. Pimentel’s group would like to confirm that observation.

In addition, because it remains an unresolved question whether any amount of atrial fibrillation is safe, Dr. Pimentel and her coworkers are considering reanalyzing their data using a cutoff of six minutes of atrial fibrillation rather than one hour during the 30 days prior to stroke.

Bruce Jancin

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CHICAGO—One-third of a large cohort of patients with an implantable cardiac device in place at the time of an ischemic stroke had one or more episodes of atrial fibrillation within the previous 30 days, Rhea C. Pimentel, MD, said at the 65th Annual Meeting of the American College of Cardiology.

The in-hospital mortality rate of these atrial fibrillation–related strokes was high: 11 of 42 (26%) patients with this event died during their stroke hospitalization, compared with six of 83 (7%) patients whose strokes were not temporally related to atrial fibrillation, said Dr. Pimentel, an electrophysiologist at the University of Kansas Medical Center in Kansas City.

Data from the Framingham Heart Study and other sources suggest that stroke in patients with atrial fibrillation entails about double the mortality rate of strokes in patients without atrial fibrillation. Mortality associated with atrial fibrillation–related stroke in the study was probably much higher because the hospital serves as a comprehensive stroke center and admits patients from across the Midwest, she said.

Dr. Pimentel reported data on 125 patients who presented with an ischemic stroke when a cardiac monitoring device was in place. This study is described as the largest patient series ever reported. Patients’ mean age was 73, and 41% were women. The mean CHADS2 score was 3.96 and the mean CHA2DS2-VASc score was 5.28. Of the patients, 62% had a pacemaker; the rest had an implantable cardioverter-defibrillator or cardiac resynchronization device. One-quarter of the group had a prior history of atrial fibrillation, and a fifth were on an oral anticoagulant—warfarin, in 70% of cases—at the time of their stroke.

Investigators defined a stroke-related atrial fibrillation episode as a total of at least one hour spent in atrial fibrillation at 30 days preceding the stroke. Eighty percent of affected patients had paroxysmal atrial fibrillation. They typically fulfilled the one-hour atrial fibrillation requirement with multiple short, self-terminated episodes rather than with an hour-long episode.

Being on an oral anticoagulant had no impact on in-hospital mortality rate, which was 14.2% in patients on warfarin or a newer anticoagulant and 14.3% in those who were not. Dr. Pimentel presented the results of the investigators’ initial look at the data. They are in the process of obtaining the patients’ international normalized ratio data, which “should be enlightening,” she said.

She and her coinvestigators also plan to subdivide their 30-day study period into five-day segments to learn how soon after an atrial fibrillation episode the strokes occurred. Researchers at Stanford University have reported that the greatest stroke risk in patients with atrial fibrillation occurs during the first five days after an atrial fibrillation episode. Dr. Pimentel’s group would like to confirm that observation.

In addition, because it remains an unresolved question whether any amount of atrial fibrillation is safe, Dr. Pimentel and her coworkers are considering reanalyzing their data using a cutoff of six minutes of atrial fibrillation rather than one hour during the 30 days prior to stroke.

Bruce Jancin

CHICAGO—One-third of a large cohort of patients with an implantable cardiac device in place at the time of an ischemic stroke had one or more episodes of atrial fibrillation within the previous 30 days, Rhea C. Pimentel, MD, said at the 65th Annual Meeting of the American College of Cardiology.

The in-hospital mortality rate of these atrial fibrillation–related strokes was high: 11 of 42 (26%) patients with this event died during their stroke hospitalization, compared with six of 83 (7%) patients whose strokes were not temporally related to atrial fibrillation, said Dr. Pimentel, an electrophysiologist at the University of Kansas Medical Center in Kansas City.

Data from the Framingham Heart Study and other sources suggest that stroke in patients with atrial fibrillation entails about double the mortality rate of strokes in patients without atrial fibrillation. Mortality associated with atrial fibrillation–related stroke in the study was probably much higher because the hospital serves as a comprehensive stroke center and admits patients from across the Midwest, she said.

Dr. Pimentel reported data on 125 patients who presented with an ischemic stroke when a cardiac monitoring device was in place. This study is described as the largest patient series ever reported. Patients’ mean age was 73, and 41% were women. The mean CHADS2 score was 3.96 and the mean CHA2DS2-VASc score was 5.28. Of the patients, 62% had a pacemaker; the rest had an implantable cardioverter-defibrillator or cardiac resynchronization device. One-quarter of the group had a prior history of atrial fibrillation, and a fifth were on an oral anticoagulant—warfarin, in 70% of cases—at the time of their stroke.

Investigators defined a stroke-related atrial fibrillation episode as a total of at least one hour spent in atrial fibrillation at 30 days preceding the stroke. Eighty percent of affected patients had paroxysmal atrial fibrillation. They typically fulfilled the one-hour atrial fibrillation requirement with multiple short, self-terminated episodes rather than with an hour-long episode.

Being on an oral anticoagulant had no impact on in-hospital mortality rate, which was 14.2% in patients on warfarin or a newer anticoagulant and 14.3% in those who were not. Dr. Pimentel presented the results of the investigators’ initial look at the data. They are in the process of obtaining the patients’ international normalized ratio data, which “should be enlightening,” she said.

She and her coinvestigators also plan to subdivide their 30-day study period into five-day segments to learn how soon after an atrial fibrillation episode the strokes occurred. Researchers at Stanford University have reported that the greatest stroke risk in patients with atrial fibrillation occurs during the first five days after an atrial fibrillation episode. Dr. Pimentel’s group would like to confirm that observation.

In addition, because it remains an unresolved question whether any amount of atrial fibrillation is safe, Dr. Pimentel and her coworkers are considering reanalyzing their data using a cutoff of six minutes of atrial fibrillation rather than one hour during the 30 days prior to stroke.

Bruce Jancin

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Why I keep fortune cookies on my desk

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Many of my patients ask, “Why do you have fortune cookies on your desk?” Then, I offer them one. I considered having other treats, but decided on fortune cookies because of:

Comfort. The cookie is a small treat for those who want one.

Diet. You don’t have to eat the cookie to enjoy it; you can still read the fortune. For patients who have an eating disorder, the cookie allows us to naturally transition the conversation to issues they are experiencing.

Cultural competency. I treat patients of many backgrounds. Some have never seen a fortune cookie (remember to warn them there is a fortune inside!). Others know the fortune cookie is not a Chinese invention,1 as it is popularly thought to be.

Impulsivity. Do patients grab a cookie immediately, wait for one to be offered, or ask for one?


At this point, I ask patients to tell me their fortune. This allows me to assess:

Fine motor skills. Do they have a hand tremor or weakness, or a problem with involuntary movement? How well do they open the individually wrapped cookie?

Problem solving. On the slip of paper in the cookie, fortunes are printed on one side; on the other side are lucky numbers and a Chinese phrase. Some patients fail to turn the slip of paper over; they look it and say, “There are only numbers on this piece of paper.”

Eyesight. Can they see without glasses? Did they bring their glasses? (By extension, I can gauge whether they need, and use, glasses when reaching for a pill bottle in the medicine cabinet.)

Literacy. Can they read their fortune aloud?


Last, I ask what the fortune means and how it might apply to them. This helps me understand their:

Thought process. I am looking for how they think: Abstractly? Concretely? How well do they articulate and explain the meaning of the fortune?

Insight. Having them explain how the fortune applies to them can be helpful to understanding their thinking.

References

1. Lee J8. Solving a riddle wrapped in a mystery inside a cookie. The New York Times. http://www.nytimes.com/2008/01/16/dining/16fort.html?_r=2&pagewanted=1. Published January 16, 2008. Accessed April 22, 2016.

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Many of my patients ask, “Why do you have fortune cookies on your desk?” Then, I offer them one. I considered having other treats, but decided on fortune cookies because of:

Comfort. The cookie is a small treat for those who want one.

Diet. You don’t have to eat the cookie to enjoy it; you can still read the fortune. For patients who have an eating disorder, the cookie allows us to naturally transition the conversation to issues they are experiencing.

Cultural competency. I treat patients of many backgrounds. Some have never seen a fortune cookie (remember to warn them there is a fortune inside!). Others know the fortune cookie is not a Chinese invention,1 as it is popularly thought to be.

Impulsivity. Do patients grab a cookie immediately, wait for one to be offered, or ask for one?


At this point, I ask patients to tell me their fortune. This allows me to assess:

Fine motor skills. Do they have a hand tremor or weakness, or a problem with involuntary movement? How well do they open the individually wrapped cookie?

Problem solving. On the slip of paper in the cookie, fortunes are printed on one side; on the other side are lucky numbers and a Chinese phrase. Some patients fail to turn the slip of paper over; they look it and say, “There are only numbers on this piece of paper.”

Eyesight. Can they see without glasses? Did they bring their glasses? (By extension, I can gauge whether they need, and use, glasses when reaching for a pill bottle in the medicine cabinet.)

Literacy. Can they read their fortune aloud?


Last, I ask what the fortune means and how it might apply to them. This helps me understand their:

Thought process. I am looking for how they think: Abstractly? Concretely? How well do they articulate and explain the meaning of the fortune?

Insight. Having them explain how the fortune applies to them can be helpful to understanding their thinking.

Many of my patients ask, “Why do you have fortune cookies on your desk?” Then, I offer them one. I considered having other treats, but decided on fortune cookies because of:

Comfort. The cookie is a small treat for those who want one.

Diet. You don’t have to eat the cookie to enjoy it; you can still read the fortune. For patients who have an eating disorder, the cookie allows us to naturally transition the conversation to issues they are experiencing.

Cultural competency. I treat patients of many backgrounds. Some have never seen a fortune cookie (remember to warn them there is a fortune inside!). Others know the fortune cookie is not a Chinese invention,1 as it is popularly thought to be.

Impulsivity. Do patients grab a cookie immediately, wait for one to be offered, or ask for one?


At this point, I ask patients to tell me their fortune. This allows me to assess:

Fine motor skills. Do they have a hand tremor or weakness, or a problem with involuntary movement? How well do they open the individually wrapped cookie?

Problem solving. On the slip of paper in the cookie, fortunes are printed on one side; on the other side are lucky numbers and a Chinese phrase. Some patients fail to turn the slip of paper over; they look it and say, “There are only numbers on this piece of paper.”

Eyesight. Can they see without glasses? Did they bring their glasses? (By extension, I can gauge whether they need, and use, glasses when reaching for a pill bottle in the medicine cabinet.)

Literacy. Can they read their fortune aloud?


Last, I ask what the fortune means and how it might apply to them. This helps me understand their:

Thought process. I am looking for how they think: Abstractly? Concretely? How well do they articulate and explain the meaning of the fortune?

Insight. Having them explain how the fortune applies to them can be helpful to understanding their thinking.

References

1. Lee J8. Solving a riddle wrapped in a mystery inside a cookie. The New York Times. http://www.nytimes.com/2008/01/16/dining/16fort.html?_r=2&pagewanted=1. Published January 16, 2008. Accessed April 22, 2016.

References

1. Lee J8. Solving a riddle wrapped in a mystery inside a cookie. The New York Times. http://www.nytimes.com/2008/01/16/dining/16fort.html?_r=2&pagewanted=1. Published January 16, 2008. Accessed April 22, 2016.

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Biopsy of Submandibular Gland May Aid in Early Diagnosis of Lewy Body Disorders

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A biopsy of the submandibular gland may provide an accurate diagnosis of Parkinson’s disease and dementia with Lewy bodies (DLB), according to a study published March 30 in the Journal of Parkinson’s Disease. If confirmed, the results could improve patient recruitment for clinical trials.

Parkinson’s disease and DLB are widely misdiagnosed. Misdiagnosis may occur in approximately 50% of patients with Parkinson’s disease who are within the first five years of symptom onset, according to the researchers. Between 15% and 25% of neuropathologically defined patients with DLB receive a diagnosis of DLB during life.

“The low diagnostic accuracy, during life, for DLB has made it difficult to conduct effective clinical trials of possibly helpful new drugs,” said Thomas G. Beach, MD, PhD, Head and Senior Scientist at the Civin Laboratory for Neuropathology and Director of the Brain and Body Donation Program at Banner Sun Health Research Institute in Phoenix. “With better diagnostic accuracy, clinical trials would have a higher chance of success and could be done more quickly and at a lesser cost,” Dr. Beach said.

Brain biopsies are highly accurate for detecting Parkinson’s disease and DLB, but they entail a high risk of complications. Previous data suggested a high prevalence of submandibular gland synucleinopathy in patients with Parkinson’s disease. “This new work shows, in autopsies, that the submandibular gland also has the same signature alpha-synuclein pathology in a high proportion of subjects diagnosed during life with DLB,” said Dr. Beach.

Thomas G. Beach, MD, PhD

Dr. Beach and colleagues performed brain necropsies and neuropathologic examinations on elderly subjects with and without CNS Lewy-type pathology who had donated their bodies. The investigators stained submandibular gland sections with an immunohistochemical method to find Lewy-type α-synucleinopathy (LTS). Subjects with Lewy body disorders included 47 with Parkinson’s disease, 28 with DLB, nine with incidental Lewy-body disease, 33 with Alzheimer’s disease with Lewy bodies, and two with progressive supranuclear palsy with Lewy bodies. The 79 control subjects without CNS LTS included 15 with Alzheimer’s disease, 12 with progressive supranuclear palsy, two with corticobasal degeneration, and two with multiple system atrophy.

Submandibular gland LTS was present in 42 of 47 (89%) individuals with Parkinson’s disease, 20 of 28 (71%) people with DLB, four of 33 people with Alzheimer’s disease with Lewy bodies, one of nine people with incidental Lewy-body disease, and none of the 110 controls.

Needle biopsy of the submandibular gland may be useful as diagnostic biomarker or a biomarker of progression in Parkinson’s disease, said the researchers. In addition, the technique may improve diagnostic sensitivity for DLB and be a potential prognostic indicator. “The next step will be to do biopsies of the submandibular gland in living people with DLB to confirm these autopsy results,” Dr. Beach said.

Erica Robinson

References

Suggested Reading
Beach TG, Adler CH, Serrano G, et al. Prevalence of submandibular gland synucleinopathy in Parkinson’s disease, dementia with Lewy bodies and other Lewy body disorders. J Parkinsons Dis. 2016;6(1):153-163.

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A biopsy of the submandibular gland may provide an accurate diagnosis of Parkinson’s disease and dementia with Lewy bodies (DLB), according to a study published March 30 in the Journal of Parkinson’s Disease. If confirmed, the results could improve patient recruitment for clinical trials.

Parkinson’s disease and DLB are widely misdiagnosed. Misdiagnosis may occur in approximately 50% of patients with Parkinson’s disease who are within the first five years of symptom onset, according to the researchers. Between 15% and 25% of neuropathologically defined patients with DLB receive a diagnosis of DLB during life.

“The low diagnostic accuracy, during life, for DLB has made it difficult to conduct effective clinical trials of possibly helpful new drugs,” said Thomas G. Beach, MD, PhD, Head and Senior Scientist at the Civin Laboratory for Neuropathology and Director of the Brain and Body Donation Program at Banner Sun Health Research Institute in Phoenix. “With better diagnostic accuracy, clinical trials would have a higher chance of success and could be done more quickly and at a lesser cost,” Dr. Beach said.

Brain biopsies are highly accurate for detecting Parkinson’s disease and DLB, but they entail a high risk of complications. Previous data suggested a high prevalence of submandibular gland synucleinopathy in patients with Parkinson’s disease. “This new work shows, in autopsies, that the submandibular gland also has the same signature alpha-synuclein pathology in a high proportion of subjects diagnosed during life with DLB,” said Dr. Beach.

Thomas G. Beach, MD, PhD

Dr. Beach and colleagues performed brain necropsies and neuropathologic examinations on elderly subjects with and without CNS Lewy-type pathology who had donated their bodies. The investigators stained submandibular gland sections with an immunohistochemical method to find Lewy-type α-synucleinopathy (LTS). Subjects with Lewy body disorders included 47 with Parkinson’s disease, 28 with DLB, nine with incidental Lewy-body disease, 33 with Alzheimer’s disease with Lewy bodies, and two with progressive supranuclear palsy with Lewy bodies. The 79 control subjects without CNS LTS included 15 with Alzheimer’s disease, 12 with progressive supranuclear palsy, two with corticobasal degeneration, and two with multiple system atrophy.

Submandibular gland LTS was present in 42 of 47 (89%) individuals with Parkinson’s disease, 20 of 28 (71%) people with DLB, four of 33 people with Alzheimer’s disease with Lewy bodies, one of nine people with incidental Lewy-body disease, and none of the 110 controls.

Needle biopsy of the submandibular gland may be useful as diagnostic biomarker or a biomarker of progression in Parkinson’s disease, said the researchers. In addition, the technique may improve diagnostic sensitivity for DLB and be a potential prognostic indicator. “The next step will be to do biopsies of the submandibular gland in living people with DLB to confirm these autopsy results,” Dr. Beach said.

Erica Robinson

A biopsy of the submandibular gland may provide an accurate diagnosis of Parkinson’s disease and dementia with Lewy bodies (DLB), according to a study published March 30 in the Journal of Parkinson’s Disease. If confirmed, the results could improve patient recruitment for clinical trials.

Parkinson’s disease and DLB are widely misdiagnosed. Misdiagnosis may occur in approximately 50% of patients with Parkinson’s disease who are within the first five years of symptom onset, according to the researchers. Between 15% and 25% of neuropathologically defined patients with DLB receive a diagnosis of DLB during life.

“The low diagnostic accuracy, during life, for DLB has made it difficult to conduct effective clinical trials of possibly helpful new drugs,” said Thomas G. Beach, MD, PhD, Head and Senior Scientist at the Civin Laboratory for Neuropathology and Director of the Brain and Body Donation Program at Banner Sun Health Research Institute in Phoenix. “With better diagnostic accuracy, clinical trials would have a higher chance of success and could be done more quickly and at a lesser cost,” Dr. Beach said.

Brain biopsies are highly accurate for detecting Parkinson’s disease and DLB, but they entail a high risk of complications. Previous data suggested a high prevalence of submandibular gland synucleinopathy in patients with Parkinson’s disease. “This new work shows, in autopsies, that the submandibular gland also has the same signature alpha-synuclein pathology in a high proportion of subjects diagnosed during life with DLB,” said Dr. Beach.

Thomas G. Beach, MD, PhD

Dr. Beach and colleagues performed brain necropsies and neuropathologic examinations on elderly subjects with and without CNS Lewy-type pathology who had donated their bodies. The investigators stained submandibular gland sections with an immunohistochemical method to find Lewy-type α-synucleinopathy (LTS). Subjects with Lewy body disorders included 47 with Parkinson’s disease, 28 with DLB, nine with incidental Lewy-body disease, 33 with Alzheimer’s disease with Lewy bodies, and two with progressive supranuclear palsy with Lewy bodies. The 79 control subjects without CNS LTS included 15 with Alzheimer’s disease, 12 with progressive supranuclear palsy, two with corticobasal degeneration, and two with multiple system atrophy.

Submandibular gland LTS was present in 42 of 47 (89%) individuals with Parkinson’s disease, 20 of 28 (71%) people with DLB, four of 33 people with Alzheimer’s disease with Lewy bodies, one of nine people with incidental Lewy-body disease, and none of the 110 controls.

Needle biopsy of the submandibular gland may be useful as diagnostic biomarker or a biomarker of progression in Parkinson’s disease, said the researchers. In addition, the technique may improve diagnostic sensitivity for DLB and be a potential prognostic indicator. “The next step will be to do biopsies of the submandibular gland in living people with DLB to confirm these autopsy results,” Dr. Beach said.

Erica Robinson

References

Suggested Reading
Beach TG, Adler CH, Serrano G, et al. Prevalence of submandibular gland synucleinopathy in Parkinson’s disease, dementia with Lewy bodies and other Lewy body disorders. J Parkinsons Dis. 2016;6(1):153-163.

References

Suggested Reading
Beach TG, Adler CH, Serrano G, et al. Prevalence of submandibular gland synucleinopathy in Parkinson’s disease, dementia with Lewy bodies and other Lewy body disorders. J Parkinsons Dis. 2016;6(1):153-163.

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Prasugrel beats clopidogrel for complex PCI in ACS

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PARIS – Patients undergoing complex percutaneous intervention for acute coronary syndrome fared significantly better with prasugrel than clopidogrel as antiplatelet therapy in the large, real-world PROMETHEUS registry, Dr. Jaya Chandrasekhar reported at the annual congress of the European Association of Percutaneous Cardiovascular Interventions.

Cumulative 1-year all-cause mortality was 8% with clopidogrel (Plavix), compared with 2% with prasugrel (Effient), for an adjusted 42% relative risk reduction favoring the more potent oral thienopyridine.

Bruce Jancin/Frontline Medical News
Dr. Jaya Chandrasekhar

Moreover, the 1-year composite MACE (major adverse cardiac events) outcome comprising death, MI, stroke, or unplanned revascularization occurred in 24.3% of the clopidogrel group, compared with 13.3% of the prasugrel group. That translates to an adjusted 22% relative risk reduction, noted Dr. Chandrasekhar of Mount Sinai Medical Center in New York.

Bleeding rates were similar in the prasugrel and clopidogrel groups, she added.

She stressed that these findings must be viewed as hypothesis-generating rather than definitive, since PROMETHEUS was not a randomized clinical trial. Rather, it was a retrospective observational study of 19,914 patients who underwent PCI for ACS at eight major U.S. medical centers, 20% of whom got prasugrel, 80% clopidogrel. Half of the patients had a complex PCI, defined by Dr. Chandrasekhar and coinvestigators as one targeting the left main coronary artery, any bifurcation lesion, any moderate or severely calcified lesion, or an intervention resulting in a total stent length of 30 mm or longer.

The complex PCI patients were significantly older, by just under 2 years. They had higher rates of diabetes, unstable angina, and multivessel disease, and were more likely to receive at least one second-generation drug-eluting stent.

In a multivariate analysis adjusted for these potential confounders as well as race, body mass index, kidney function, hypertension, hemoglobin, previous PCI, and concomitant use of bivalirudin, the benefits of prasugrel over clopidogrel at 1 year remained significant in patients who underwent complex PCI. In contrast, among the 10,179 ACS patients who underwent noncomplex PCI, the trends favoring lower mortality and MACE in the prasugrel group no longer attained statistical significance upon multivariate adjustment, she said.

Discussant Dr. Pascal Meier said that registry data on prasugrel are inevitably biased because physicians don’t give the drug to patients older than 75 or patients who have had a prior stroke, are low weight, or low risk.

“Do you think there’s any way we can adjust for this bias?” asked Dr. Meier of University Hospital, Geneva.

Dr. Chandrasekhar conceded the possibility of unrecognized confounders.

“I think no matter what statistical methods you use, there will be that potential for bias. This is a real-world study. We understand that physicians and operators select their patients very carefully and the healthier ones get prasugrel rather than clopidogrel.”

She reported having no financial conflicts regarding this study. PROMETHEUS was sponsored and funded by Daiichi Sankyo and Eli Lilly.

[email protected]

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PARIS – Patients undergoing complex percutaneous intervention for acute coronary syndrome fared significantly better with prasugrel than clopidogrel as antiplatelet therapy in the large, real-world PROMETHEUS registry, Dr. Jaya Chandrasekhar reported at the annual congress of the European Association of Percutaneous Cardiovascular Interventions.

Cumulative 1-year all-cause mortality was 8% with clopidogrel (Plavix), compared with 2% with prasugrel (Effient), for an adjusted 42% relative risk reduction favoring the more potent oral thienopyridine.

Bruce Jancin/Frontline Medical News
Dr. Jaya Chandrasekhar

Moreover, the 1-year composite MACE (major adverse cardiac events) outcome comprising death, MI, stroke, or unplanned revascularization occurred in 24.3% of the clopidogrel group, compared with 13.3% of the prasugrel group. That translates to an adjusted 22% relative risk reduction, noted Dr. Chandrasekhar of Mount Sinai Medical Center in New York.

Bleeding rates were similar in the prasugrel and clopidogrel groups, she added.

She stressed that these findings must be viewed as hypothesis-generating rather than definitive, since PROMETHEUS was not a randomized clinical trial. Rather, it was a retrospective observational study of 19,914 patients who underwent PCI for ACS at eight major U.S. medical centers, 20% of whom got prasugrel, 80% clopidogrel. Half of the patients had a complex PCI, defined by Dr. Chandrasekhar and coinvestigators as one targeting the left main coronary artery, any bifurcation lesion, any moderate or severely calcified lesion, or an intervention resulting in a total stent length of 30 mm or longer.

The complex PCI patients were significantly older, by just under 2 years. They had higher rates of diabetes, unstable angina, and multivessel disease, and were more likely to receive at least one second-generation drug-eluting stent.

In a multivariate analysis adjusted for these potential confounders as well as race, body mass index, kidney function, hypertension, hemoglobin, previous PCI, and concomitant use of bivalirudin, the benefits of prasugrel over clopidogrel at 1 year remained significant in patients who underwent complex PCI. In contrast, among the 10,179 ACS patients who underwent noncomplex PCI, the trends favoring lower mortality and MACE in the prasugrel group no longer attained statistical significance upon multivariate adjustment, she said.

Discussant Dr. Pascal Meier said that registry data on prasugrel are inevitably biased because physicians don’t give the drug to patients older than 75 or patients who have had a prior stroke, are low weight, or low risk.

“Do you think there’s any way we can adjust for this bias?” asked Dr. Meier of University Hospital, Geneva.

Dr. Chandrasekhar conceded the possibility of unrecognized confounders.

“I think no matter what statistical methods you use, there will be that potential for bias. This is a real-world study. We understand that physicians and operators select their patients very carefully and the healthier ones get prasugrel rather than clopidogrel.”

She reported having no financial conflicts regarding this study. PROMETHEUS was sponsored and funded by Daiichi Sankyo and Eli Lilly.

[email protected]

PARIS – Patients undergoing complex percutaneous intervention for acute coronary syndrome fared significantly better with prasugrel than clopidogrel as antiplatelet therapy in the large, real-world PROMETHEUS registry, Dr. Jaya Chandrasekhar reported at the annual congress of the European Association of Percutaneous Cardiovascular Interventions.

Cumulative 1-year all-cause mortality was 8% with clopidogrel (Plavix), compared with 2% with prasugrel (Effient), for an adjusted 42% relative risk reduction favoring the more potent oral thienopyridine.

Bruce Jancin/Frontline Medical News
Dr. Jaya Chandrasekhar

Moreover, the 1-year composite MACE (major adverse cardiac events) outcome comprising death, MI, stroke, or unplanned revascularization occurred in 24.3% of the clopidogrel group, compared with 13.3% of the prasugrel group. That translates to an adjusted 22% relative risk reduction, noted Dr. Chandrasekhar of Mount Sinai Medical Center in New York.

Bleeding rates were similar in the prasugrel and clopidogrel groups, she added.

She stressed that these findings must be viewed as hypothesis-generating rather than definitive, since PROMETHEUS was not a randomized clinical trial. Rather, it was a retrospective observational study of 19,914 patients who underwent PCI for ACS at eight major U.S. medical centers, 20% of whom got prasugrel, 80% clopidogrel. Half of the patients had a complex PCI, defined by Dr. Chandrasekhar and coinvestigators as one targeting the left main coronary artery, any bifurcation lesion, any moderate or severely calcified lesion, or an intervention resulting in a total stent length of 30 mm or longer.

The complex PCI patients were significantly older, by just under 2 years. They had higher rates of diabetes, unstable angina, and multivessel disease, and were more likely to receive at least one second-generation drug-eluting stent.

In a multivariate analysis adjusted for these potential confounders as well as race, body mass index, kidney function, hypertension, hemoglobin, previous PCI, and concomitant use of bivalirudin, the benefits of prasugrel over clopidogrel at 1 year remained significant in patients who underwent complex PCI. In contrast, among the 10,179 ACS patients who underwent noncomplex PCI, the trends favoring lower mortality and MACE in the prasugrel group no longer attained statistical significance upon multivariate adjustment, she said.

Discussant Dr. Pascal Meier said that registry data on prasugrel are inevitably biased because physicians don’t give the drug to patients older than 75 or patients who have had a prior stroke, are low weight, or low risk.

“Do you think there’s any way we can adjust for this bias?” asked Dr. Meier of University Hospital, Geneva.

Dr. Chandrasekhar conceded the possibility of unrecognized confounders.

“I think no matter what statistical methods you use, there will be that potential for bias. This is a real-world study. We understand that physicians and operators select their patients very carefully and the healthier ones get prasugrel rather than clopidogrel.”

She reported having no financial conflicts regarding this study. PROMETHEUS was sponsored and funded by Daiichi Sankyo and Eli Lilly.

[email protected]

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Key clinical point: One-year outcomes were significantly better following complex PCI for acute coronary syndrome in prasugrel rather than in clopidogrel recipients.

Major finding: The composite rate of mortality, MI, stroke, or unplanned revascularization 1 year after patients underwent complex PCI for ACS was 13.3% in those who received prasugrel, compared with 24.3% in patients given clopidogrel.

Data source: PROMETHEUS, a retrospective observational study of 19,914 patients who underwent PCI for ACS at eight major U.S. medical centers.

Disclosures: Daiichi Sankyo and Eli Lilly sponsored and funded the study. The presenter reported having no conflicts of interest.