USPSTF updates, reaffirms recommendation for HBV screening in pregnant women

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The U.S. Preventive Services Task Force has updated and reaffirmed its 2009 recommendation for screening for hepatitis B virus (HBV) infection in pregnant women, according to task force member Douglas K. Owens, MD, of the Veterans Affairs Palo Alto (Calif.) Health Care System and other members of the task force.

CDC/Dr. Erskine Palmer
This digitally colorized transmission electron micrograph reveals the presence of hepatitis B virions. The large round virions are known as Dane particles.

The recommendation statement, published in JAMA, was based on an evidence report and systematic review also published in JAMA. In that review, two studies of fair quality were identified; one included 155,081 infants born to HBV-positive women identified for case management through the national Perinatal Hepatitis B Prevention Program from 1994 to 2008, and the other included 4,446 infants born in a large, regional health care organization in the United States between 1997 and 2010. In both, low rates of perinatal transmission were reported for those periods – between 0.5% and 1.9% – with the rate falling over time.

In the 2009 recommendation, the USPSTF found adequate evidence that serologic testing for hepatitis B surface antigen accurately identifies HBV infection, and that interventions were effective in preventing perinatal transmission. That recommendation has been reaffirmed in the current update, with HBV screening receiving a grade of A, which is the strongest the USPSTF offers.

In a related editorial, Neil S. Silverman, MD, of the Center for Fetal Medicine and Women’s Ultrasound in Los Angeles noted several improvements in maternal HBV therapy since the publication of the original 2009 recommendation, including maternal HBV-targeted antiviral therapy during pregnancy as an adjunct to neonatal immunoprophylaxis and the ability to refer women for chronic treatment of their HBV disease to prevent long-term infection complications. The task forces also noted that HBV screening of all pregnant women is mandated by law in 26 states.

One member of the task force reported receiving grants and/or personal fees from Healthwise, another member reported receiving personal fees from UpToDate; a third reported participating in the American Association for the Study of Liver Diseases’ Hepatitis B Guidance and Hepatitis B Systematic Review Group. The evidence and review study was funded by the Agency for Healthcare Research and Quality. Dr. Silverman reported no disclosures.

SOURCes: Owens DK et al. JAMA. 2019 Jul 23. doi: 10.1001/jama.2019.9365; Henderson JT et al. JAMA. 2019 Jul 23;32(4):360-2; Silverman NS. JAMA. 2019 Jul 23;32(4):312-14.

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The U.S. Preventive Services Task Force has updated and reaffirmed its 2009 recommendation for screening for hepatitis B virus (HBV) infection in pregnant women, according to task force member Douglas K. Owens, MD, of the Veterans Affairs Palo Alto (Calif.) Health Care System and other members of the task force.

CDC/Dr. Erskine Palmer
This digitally colorized transmission electron micrograph reveals the presence of hepatitis B virions. The large round virions are known as Dane particles.

The recommendation statement, published in JAMA, was based on an evidence report and systematic review also published in JAMA. In that review, two studies of fair quality were identified; one included 155,081 infants born to HBV-positive women identified for case management through the national Perinatal Hepatitis B Prevention Program from 1994 to 2008, and the other included 4,446 infants born in a large, regional health care organization in the United States between 1997 and 2010. In both, low rates of perinatal transmission were reported for those periods – between 0.5% and 1.9% – with the rate falling over time.

In the 2009 recommendation, the USPSTF found adequate evidence that serologic testing for hepatitis B surface antigen accurately identifies HBV infection, and that interventions were effective in preventing perinatal transmission. That recommendation has been reaffirmed in the current update, with HBV screening receiving a grade of A, which is the strongest the USPSTF offers.

In a related editorial, Neil S. Silverman, MD, of the Center for Fetal Medicine and Women’s Ultrasound in Los Angeles noted several improvements in maternal HBV therapy since the publication of the original 2009 recommendation, including maternal HBV-targeted antiviral therapy during pregnancy as an adjunct to neonatal immunoprophylaxis and the ability to refer women for chronic treatment of their HBV disease to prevent long-term infection complications. The task forces also noted that HBV screening of all pregnant women is mandated by law in 26 states.

One member of the task force reported receiving grants and/or personal fees from Healthwise, another member reported receiving personal fees from UpToDate; a third reported participating in the American Association for the Study of Liver Diseases’ Hepatitis B Guidance and Hepatitis B Systematic Review Group. The evidence and review study was funded by the Agency for Healthcare Research and Quality. Dr. Silverman reported no disclosures.

SOURCes: Owens DK et al. JAMA. 2019 Jul 23. doi: 10.1001/jama.2019.9365; Henderson JT et al. JAMA. 2019 Jul 23;32(4):360-2; Silverman NS. JAMA. 2019 Jul 23;32(4):312-14.

 

The U.S. Preventive Services Task Force has updated and reaffirmed its 2009 recommendation for screening for hepatitis B virus (HBV) infection in pregnant women, according to task force member Douglas K. Owens, MD, of the Veterans Affairs Palo Alto (Calif.) Health Care System and other members of the task force.

CDC/Dr. Erskine Palmer
This digitally colorized transmission electron micrograph reveals the presence of hepatitis B virions. The large round virions are known as Dane particles.

The recommendation statement, published in JAMA, was based on an evidence report and systematic review also published in JAMA. In that review, two studies of fair quality were identified; one included 155,081 infants born to HBV-positive women identified for case management through the national Perinatal Hepatitis B Prevention Program from 1994 to 2008, and the other included 4,446 infants born in a large, regional health care organization in the United States between 1997 and 2010. In both, low rates of perinatal transmission were reported for those periods – between 0.5% and 1.9% – with the rate falling over time.

In the 2009 recommendation, the USPSTF found adequate evidence that serologic testing for hepatitis B surface antigen accurately identifies HBV infection, and that interventions were effective in preventing perinatal transmission. That recommendation has been reaffirmed in the current update, with HBV screening receiving a grade of A, which is the strongest the USPSTF offers.

In a related editorial, Neil S. Silverman, MD, of the Center for Fetal Medicine and Women’s Ultrasound in Los Angeles noted several improvements in maternal HBV therapy since the publication of the original 2009 recommendation, including maternal HBV-targeted antiviral therapy during pregnancy as an adjunct to neonatal immunoprophylaxis and the ability to refer women for chronic treatment of their HBV disease to prevent long-term infection complications. The task forces also noted that HBV screening of all pregnant women is mandated by law in 26 states.

One member of the task force reported receiving grants and/or personal fees from Healthwise, another member reported receiving personal fees from UpToDate; a third reported participating in the American Association for the Study of Liver Diseases’ Hepatitis B Guidance and Hepatitis B Systematic Review Group. The evidence and review study was funded by the Agency for Healthcare Research and Quality. Dr. Silverman reported no disclosures.

SOURCes: Owens DK et al. JAMA. 2019 Jul 23. doi: 10.1001/jama.2019.9365; Henderson JT et al. JAMA. 2019 Jul 23;32(4):360-2; Silverman NS. JAMA. 2019 Jul 23;32(4):312-14.

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Solar Urticaria Treated With Omalizumab

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Solar Urticaria Treated With Omalizumab

To the Editor:

First documented in 1904,1 solar urticaria is an IgE-induced condition that predominantly occurs in women aged 20 to 50 years. Worldwide prevalence and incidence information is lacking, but it is known to occur in up to 0.4% of urticaria cases.2 Solar urticaria is characterized by pruritus of the skin with erythematous wheals and flares in reaction to sunlight exposure, even despite partial protection by barriers such as glass or clothing.2,3 It can have an acute or chronic presentation caused by visible or UV light wavelengths. Solar urticaria can lead to debilitating symptoms and psychological stressors that can severely impact a patient’s well-being and also may be accompanied by conditions such as polymorphous light eruption, angioedema, or vasculitis.4 Standard treatments include first- and second-generation antihistamines, which are efficacious approximately 50% of the time, as well as phototherapy, which can be time consuming and a burden on patients who work or go to school full time.2 Other possible treatment modalities include plasmapheresis, intravenous immunoglobulins, steroids, cyclosporine, and anti-IgE recombinant monoclonal antibody injections.5,6 We present the case of a patient who was successfully treated with subcutaneous injections of omalizumab every 3 weeks to add to the growing number of case reports of treatment of solar urticaria.

A 30-year-old woman with Fitzpatrick skin type III and a 9-year history of solar urticaria was referred to the Department of Allergy and Immunology by her primary care physician. The patient reported that redness, swelling, and itching would occur on sun-exposed areas of the skin after approximately 10 minutes of exposure despite daily sunscreen application. She had been successfully treated with hydroxychloroquine 400 mg once daily after her first formal evaluation by dermatology 4 years prior to the current presentation. She subsequently self-discontinued treatment after 8 months of treatment due to resolution of symptoms. She noted the symptoms had returned upon relocating to Hawaii after living in the continental United States and Italy. Initially she was restarted on hydroxychloroquine 200 mg once daily and 4-times the recommended daily dose of second-generation antihistamines without relief. The hydroxychloroquine dosage subsequently was increased to 400 mg once daily, but her symptoms did not resolve.

On physical examination, sun-exposed areas of the skin showed marked macular erythema with discrete erythematous lines of demarcation observed between exposed and unexposed skin. The patient also reported concomitant pruritus, which antihistamines did not alleviate. A maximum 1-year course of cyclosporine 300 mg once daily initially was planned but was discontinued due to immediate onset of severe nausea and emesis after the first dose as well as continued outbreaks of urticaria for 1 month after incrementally increasing by 100 mg from a starting dose of 100 mg.

After discussion with the dermatology department, a trial of omalizumab was started because the daily impact of a UV light sensitization course was not feasible with her work schedule, and serum IgE blood level was 560.4 µg/L (reference range, 0–1500 µg/L). The patient was started on a regimen of omalizumab 300 mg (subcutaneous injections) every 2 weeks with noted improvement after the third dose, with no urticarial symptoms after sun exposure. After 2 months, the dosage interval was increased to every 4 weeks given her level of improvement, but her symptoms recurred. The treatment regimen was then changed to every 3 weeks. The patient was symptom free for a period of 10 months on this regimen, followed by only 1 outbreak of erythema and urticaria, which occurred 1 day prior to a scheduled omalizumab injection. Symptoms have otherwise been well controlled to date on omalizumab.



Solar urticaria is a poorly understood phenomenon that has no clear prognostic indicators; therefore, diagnosis often is made based on the patient’s history and physical examination. Further testing to confirm the diagnosis can be performed using specific wavelengths of UV light to determine which band of light affects patients most; however, the wavelength can change over time, leading to less clinical significance, and may decrease efficacy of phototherapy.2 Solar urticaria has no clear predisposing factors, and treatments to date have been moderately successful. Exposure to sunlight is thought to initiate an alteration in a skin or serum chromophore or photoallergen, which then causes subsequent cross-linking and IgE-dependent release of histamine as well as other mediators such as cytokines, eicosanoids, and proteases with mast cell degranulation.7

Omalizumab is a recombinant humanized monoclonal IgG1 antibody targeting the methylated IgE Cε3 domain that initially was marketed toward controlling IgE-mediated moderate to severe asthma recalcitrant to standard treatments. It has since received approval from the US Food and Drug Administration for treatment of chronic idiopathic urticaria after first being noticed to serendipitously treat a patient with cold urticaria and asthma in 2006.4,7,8 It was then first documented to successfully treat solar urticaria in 2008.6 The safety profile of omalizumab makes it a more favorable choice when compared to other immunomodulating treatments, with the most serious adverse reaction being anaphylaxis, occurring in 0.2% of patients in a postmarketing study.9 It functions through binding to free IgE at a region necessary for IgE to bind at low- and high-affinity receptors but not to immunoglobulins already bound to cells, thus theoretically preventing activation of mast cells or basophils.10 It also has been suggested that low steady-state values are needed to see continued benefit from the drug,10 which may have been seen in our patient after having an outbreak just prior to receiving an injection; however, prior reports have shown benefit unrelated to total IgE levels, with improvement after days to 4 months.4,10,11 One case report showed no response after 4 doses; it is unknown if this patient was tested for clinical improvement to omalizumab through further immunoglobulin analysis, but treatment response is important to consider when deciding on whether to use this drug in future patients.12 It is unknown why some patients will respond to omalizumab, others will partially respond, and others will not respond, which can be ascertained either through quality-of-life improvement or lack thereof.

In our experience, omalizumab is a viable option to consider in patients with solar urticaria that is recalcitrant to standard treatments and elevated IgE levels for whom other treatments are either too time consuming or have side-effect profiles that are not tolerable to the patient. If the patient has concomitant asthma, there may be additional therapeutic benefit. Further research is needed with regard to a cost-benefit analysis of omalizumab and whether using such a costly drug outweighs the cost associated with time and resources utilized with repeat clinic visits if other standard treatments are not effective.13

References
  1. Merkin P. Pratique Dermatologique. Paris, France: Masso; 1904.
  2. Beattie PE, Dawe RS, Ibbotson SH, et al. Characteristics and prognosis of idiopathic solar urticaria: a cohort of 87 cases. Arch Dermatol. 2003;139:1149-1154.
  3. Kaplan AP. Therapy of chronic urticaria: a simple, modern approach. Ann Allergy Asthma Immunol. 2014;112:419-425.
  4. Metz M, Maurer M. Omalizumab in chronic urticaria. Curr Opin Allergy Clin Immunol. 2012;12:406-410.
  5. Aubin F, Porcher R, Jeanmougin M, et al. Severe and refractory solar urticaria treated with intravenous immunoglobulins: a phase II multicenter study. J Am Acad Dermatol. 2014;71:948-953.e1.
  6. Güzelbey O, Ardelean E, Magerl M, et al. Successful treatment of solar urticaria with anti-immunoglobulin E therapy. Allergy. 2008;63:1563-1565.
  7. Wu K, Jabbar-Lopez Z. Omalizumab, an anti-IgE mAb, receives approval for the treatment of chronic idiopathic/spontaneous urticaria. J Invest Dermatol. 2015;135:13-15.
  8. Boyce JA. Successful treatment of cold-induced urticaria/anaphylaxis with anti-IgE. J Allergy Clin Immunol. 2006;117:1415-1418.
  9. Corren J, Casale TB, Lanier B, et al. Safety and tolerability of omalizumab. Clin Exp Allergy. 2009;39:788-797.
  10. Wu K, Long H. Omalizumab for chronic urticaria. N Engl J Med. 2013;368:2527-2528.
  11. Morgado-Carrasco D, Giacaman-Von der Weth M, Fusta-Novell X, et al. Clinical response and long-term follow-up of 20 patients with refractory solar urticarial under treatment with omalizumab [published online May 28, 2019]. J Am Acad Dermatol. doi:10.1016/j.jaad.2019.05.070.
  12. Duchini G, Bäumler W, Bircher AJ, et al. Failure of omalizumab (Xolair®) in the treatment of a case of solar urticaria caused by ultraviolet A and visible light. Photodermatol Photoimmunol Photomed. 2011;27:336-337.
  13. Bernstein JA, Lang DM, Khan DA, et al. The diagnosis and management of acute and chronic urticaria: 2014 update. J Allergy Clin Immunol. 2014;133:1270-1277.
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From Tripler Army Medical Center, Honolulu, Hawaii. Dr. Schaffenburg is from the Department of Health Training and Education, Dr. Guerrero is from the Dermatology Service, and Dr. Marks is from the Allergy and Immunology Service.

The authors report no conflict of interest.

The views and opinions expressed herein are those of the authors and do not reflect the official policy or position of the Department of the Army, Department of Defense, or the US Government.

Correspondence: William C. Schaffenburg, MD, Department of Health Education & Training, 1 Jarrett White Rd, Honolulu, HI 96859 ([email protected]).

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From Tripler Army Medical Center, Honolulu, Hawaii. Dr. Schaffenburg is from the Department of Health Training and Education, Dr. Guerrero is from the Dermatology Service, and Dr. Marks is from the Allergy and Immunology Service.

The authors report no conflict of interest.

The views and opinions expressed herein are those of the authors and do not reflect the official policy or position of the Department of the Army, Department of Defense, or the US Government.

Correspondence: William C. Schaffenburg, MD, Department of Health Education & Training, 1 Jarrett White Rd, Honolulu, HI 96859 ([email protected]).

Author and Disclosure Information

From Tripler Army Medical Center, Honolulu, Hawaii. Dr. Schaffenburg is from the Department of Health Training and Education, Dr. Guerrero is from the Dermatology Service, and Dr. Marks is from the Allergy and Immunology Service.

The authors report no conflict of interest.

The views and opinions expressed herein are those of the authors and do not reflect the official policy or position of the Department of the Army, Department of Defense, or the US Government.

Correspondence: William C. Schaffenburg, MD, Department of Health Education & Training, 1 Jarrett White Rd, Honolulu, HI 96859 ([email protected]).

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To the Editor:

First documented in 1904,1 solar urticaria is an IgE-induced condition that predominantly occurs in women aged 20 to 50 years. Worldwide prevalence and incidence information is lacking, but it is known to occur in up to 0.4% of urticaria cases.2 Solar urticaria is characterized by pruritus of the skin with erythematous wheals and flares in reaction to sunlight exposure, even despite partial protection by barriers such as glass or clothing.2,3 It can have an acute or chronic presentation caused by visible or UV light wavelengths. Solar urticaria can lead to debilitating symptoms and psychological stressors that can severely impact a patient’s well-being and also may be accompanied by conditions such as polymorphous light eruption, angioedema, or vasculitis.4 Standard treatments include first- and second-generation antihistamines, which are efficacious approximately 50% of the time, as well as phototherapy, which can be time consuming and a burden on patients who work or go to school full time.2 Other possible treatment modalities include plasmapheresis, intravenous immunoglobulins, steroids, cyclosporine, and anti-IgE recombinant monoclonal antibody injections.5,6 We present the case of a patient who was successfully treated with subcutaneous injections of omalizumab every 3 weeks to add to the growing number of case reports of treatment of solar urticaria.

A 30-year-old woman with Fitzpatrick skin type III and a 9-year history of solar urticaria was referred to the Department of Allergy and Immunology by her primary care physician. The patient reported that redness, swelling, and itching would occur on sun-exposed areas of the skin after approximately 10 minutes of exposure despite daily sunscreen application. She had been successfully treated with hydroxychloroquine 400 mg once daily after her first formal evaluation by dermatology 4 years prior to the current presentation. She subsequently self-discontinued treatment after 8 months of treatment due to resolution of symptoms. She noted the symptoms had returned upon relocating to Hawaii after living in the continental United States and Italy. Initially she was restarted on hydroxychloroquine 200 mg once daily and 4-times the recommended daily dose of second-generation antihistamines without relief. The hydroxychloroquine dosage subsequently was increased to 400 mg once daily, but her symptoms did not resolve.

On physical examination, sun-exposed areas of the skin showed marked macular erythema with discrete erythematous lines of demarcation observed between exposed and unexposed skin. The patient also reported concomitant pruritus, which antihistamines did not alleviate. A maximum 1-year course of cyclosporine 300 mg once daily initially was planned but was discontinued due to immediate onset of severe nausea and emesis after the first dose as well as continued outbreaks of urticaria for 1 month after incrementally increasing by 100 mg from a starting dose of 100 mg.

After discussion with the dermatology department, a trial of omalizumab was started because the daily impact of a UV light sensitization course was not feasible with her work schedule, and serum IgE blood level was 560.4 µg/L (reference range, 0–1500 µg/L). The patient was started on a regimen of omalizumab 300 mg (subcutaneous injections) every 2 weeks with noted improvement after the third dose, with no urticarial symptoms after sun exposure. After 2 months, the dosage interval was increased to every 4 weeks given her level of improvement, but her symptoms recurred. The treatment regimen was then changed to every 3 weeks. The patient was symptom free for a period of 10 months on this regimen, followed by only 1 outbreak of erythema and urticaria, which occurred 1 day prior to a scheduled omalizumab injection. Symptoms have otherwise been well controlled to date on omalizumab.



Solar urticaria is a poorly understood phenomenon that has no clear prognostic indicators; therefore, diagnosis often is made based on the patient’s history and physical examination. Further testing to confirm the diagnosis can be performed using specific wavelengths of UV light to determine which band of light affects patients most; however, the wavelength can change over time, leading to less clinical significance, and may decrease efficacy of phototherapy.2 Solar urticaria has no clear predisposing factors, and treatments to date have been moderately successful. Exposure to sunlight is thought to initiate an alteration in a skin or serum chromophore or photoallergen, which then causes subsequent cross-linking and IgE-dependent release of histamine as well as other mediators such as cytokines, eicosanoids, and proteases with mast cell degranulation.7

Omalizumab is a recombinant humanized monoclonal IgG1 antibody targeting the methylated IgE Cε3 domain that initially was marketed toward controlling IgE-mediated moderate to severe asthma recalcitrant to standard treatments. It has since received approval from the US Food and Drug Administration for treatment of chronic idiopathic urticaria after first being noticed to serendipitously treat a patient with cold urticaria and asthma in 2006.4,7,8 It was then first documented to successfully treat solar urticaria in 2008.6 The safety profile of omalizumab makes it a more favorable choice when compared to other immunomodulating treatments, with the most serious adverse reaction being anaphylaxis, occurring in 0.2% of patients in a postmarketing study.9 It functions through binding to free IgE at a region necessary for IgE to bind at low- and high-affinity receptors but not to immunoglobulins already bound to cells, thus theoretically preventing activation of mast cells or basophils.10 It also has been suggested that low steady-state values are needed to see continued benefit from the drug,10 which may have been seen in our patient after having an outbreak just prior to receiving an injection; however, prior reports have shown benefit unrelated to total IgE levels, with improvement after days to 4 months.4,10,11 One case report showed no response after 4 doses; it is unknown if this patient was tested for clinical improvement to omalizumab through further immunoglobulin analysis, but treatment response is important to consider when deciding on whether to use this drug in future patients.12 It is unknown why some patients will respond to omalizumab, others will partially respond, and others will not respond, which can be ascertained either through quality-of-life improvement or lack thereof.

In our experience, omalizumab is a viable option to consider in patients with solar urticaria that is recalcitrant to standard treatments and elevated IgE levels for whom other treatments are either too time consuming or have side-effect profiles that are not tolerable to the patient. If the patient has concomitant asthma, there may be additional therapeutic benefit. Further research is needed with regard to a cost-benefit analysis of omalizumab and whether using such a costly drug outweighs the cost associated with time and resources utilized with repeat clinic visits if other standard treatments are not effective.13

To the Editor:

First documented in 1904,1 solar urticaria is an IgE-induced condition that predominantly occurs in women aged 20 to 50 years. Worldwide prevalence and incidence information is lacking, but it is known to occur in up to 0.4% of urticaria cases.2 Solar urticaria is characterized by pruritus of the skin with erythematous wheals and flares in reaction to sunlight exposure, even despite partial protection by barriers such as glass or clothing.2,3 It can have an acute or chronic presentation caused by visible or UV light wavelengths. Solar urticaria can lead to debilitating symptoms and psychological stressors that can severely impact a patient’s well-being and also may be accompanied by conditions such as polymorphous light eruption, angioedema, or vasculitis.4 Standard treatments include first- and second-generation antihistamines, which are efficacious approximately 50% of the time, as well as phototherapy, which can be time consuming and a burden on patients who work or go to school full time.2 Other possible treatment modalities include plasmapheresis, intravenous immunoglobulins, steroids, cyclosporine, and anti-IgE recombinant monoclonal antibody injections.5,6 We present the case of a patient who was successfully treated with subcutaneous injections of omalizumab every 3 weeks to add to the growing number of case reports of treatment of solar urticaria.

A 30-year-old woman with Fitzpatrick skin type III and a 9-year history of solar urticaria was referred to the Department of Allergy and Immunology by her primary care physician. The patient reported that redness, swelling, and itching would occur on sun-exposed areas of the skin after approximately 10 minutes of exposure despite daily sunscreen application. She had been successfully treated with hydroxychloroquine 400 mg once daily after her first formal evaluation by dermatology 4 years prior to the current presentation. She subsequently self-discontinued treatment after 8 months of treatment due to resolution of symptoms. She noted the symptoms had returned upon relocating to Hawaii after living in the continental United States and Italy. Initially she was restarted on hydroxychloroquine 200 mg once daily and 4-times the recommended daily dose of second-generation antihistamines without relief. The hydroxychloroquine dosage subsequently was increased to 400 mg once daily, but her symptoms did not resolve.

On physical examination, sun-exposed areas of the skin showed marked macular erythema with discrete erythematous lines of demarcation observed between exposed and unexposed skin. The patient also reported concomitant pruritus, which antihistamines did not alleviate. A maximum 1-year course of cyclosporine 300 mg once daily initially was planned but was discontinued due to immediate onset of severe nausea and emesis after the first dose as well as continued outbreaks of urticaria for 1 month after incrementally increasing by 100 mg from a starting dose of 100 mg.

After discussion with the dermatology department, a trial of omalizumab was started because the daily impact of a UV light sensitization course was not feasible with her work schedule, and serum IgE blood level was 560.4 µg/L (reference range, 0–1500 µg/L). The patient was started on a regimen of omalizumab 300 mg (subcutaneous injections) every 2 weeks with noted improvement after the third dose, with no urticarial symptoms after sun exposure. After 2 months, the dosage interval was increased to every 4 weeks given her level of improvement, but her symptoms recurred. The treatment regimen was then changed to every 3 weeks. The patient was symptom free for a period of 10 months on this regimen, followed by only 1 outbreak of erythema and urticaria, which occurred 1 day prior to a scheduled omalizumab injection. Symptoms have otherwise been well controlled to date on omalizumab.



Solar urticaria is a poorly understood phenomenon that has no clear prognostic indicators; therefore, diagnosis often is made based on the patient’s history and physical examination. Further testing to confirm the diagnosis can be performed using specific wavelengths of UV light to determine which band of light affects patients most; however, the wavelength can change over time, leading to less clinical significance, and may decrease efficacy of phototherapy.2 Solar urticaria has no clear predisposing factors, and treatments to date have been moderately successful. Exposure to sunlight is thought to initiate an alteration in a skin or serum chromophore or photoallergen, which then causes subsequent cross-linking and IgE-dependent release of histamine as well as other mediators such as cytokines, eicosanoids, and proteases with mast cell degranulation.7

Omalizumab is a recombinant humanized monoclonal IgG1 antibody targeting the methylated IgE Cε3 domain that initially was marketed toward controlling IgE-mediated moderate to severe asthma recalcitrant to standard treatments. It has since received approval from the US Food and Drug Administration for treatment of chronic idiopathic urticaria after first being noticed to serendipitously treat a patient with cold urticaria and asthma in 2006.4,7,8 It was then first documented to successfully treat solar urticaria in 2008.6 The safety profile of omalizumab makes it a more favorable choice when compared to other immunomodulating treatments, with the most serious adverse reaction being anaphylaxis, occurring in 0.2% of patients in a postmarketing study.9 It functions through binding to free IgE at a region necessary for IgE to bind at low- and high-affinity receptors but not to immunoglobulins already bound to cells, thus theoretically preventing activation of mast cells or basophils.10 It also has been suggested that low steady-state values are needed to see continued benefit from the drug,10 which may have been seen in our patient after having an outbreak just prior to receiving an injection; however, prior reports have shown benefit unrelated to total IgE levels, with improvement after days to 4 months.4,10,11 One case report showed no response after 4 doses; it is unknown if this patient was tested for clinical improvement to omalizumab through further immunoglobulin analysis, but treatment response is important to consider when deciding on whether to use this drug in future patients.12 It is unknown why some patients will respond to omalizumab, others will partially respond, and others will not respond, which can be ascertained either through quality-of-life improvement or lack thereof.

In our experience, omalizumab is a viable option to consider in patients with solar urticaria that is recalcitrant to standard treatments and elevated IgE levels for whom other treatments are either too time consuming or have side-effect profiles that are not tolerable to the patient. If the patient has concomitant asthma, there may be additional therapeutic benefit. Further research is needed with regard to a cost-benefit analysis of omalizumab and whether using such a costly drug outweighs the cost associated with time and resources utilized with repeat clinic visits if other standard treatments are not effective.13

References
  1. Merkin P. Pratique Dermatologique. Paris, France: Masso; 1904.
  2. Beattie PE, Dawe RS, Ibbotson SH, et al. Characteristics and prognosis of idiopathic solar urticaria: a cohort of 87 cases. Arch Dermatol. 2003;139:1149-1154.
  3. Kaplan AP. Therapy of chronic urticaria: a simple, modern approach. Ann Allergy Asthma Immunol. 2014;112:419-425.
  4. Metz M, Maurer M. Omalizumab in chronic urticaria. Curr Opin Allergy Clin Immunol. 2012;12:406-410.
  5. Aubin F, Porcher R, Jeanmougin M, et al. Severe and refractory solar urticaria treated with intravenous immunoglobulins: a phase II multicenter study. J Am Acad Dermatol. 2014;71:948-953.e1.
  6. Güzelbey O, Ardelean E, Magerl M, et al. Successful treatment of solar urticaria with anti-immunoglobulin E therapy. Allergy. 2008;63:1563-1565.
  7. Wu K, Jabbar-Lopez Z. Omalizumab, an anti-IgE mAb, receives approval for the treatment of chronic idiopathic/spontaneous urticaria. J Invest Dermatol. 2015;135:13-15.
  8. Boyce JA. Successful treatment of cold-induced urticaria/anaphylaxis with anti-IgE. J Allergy Clin Immunol. 2006;117:1415-1418.
  9. Corren J, Casale TB, Lanier B, et al. Safety and tolerability of omalizumab. Clin Exp Allergy. 2009;39:788-797.
  10. Wu K, Long H. Omalizumab for chronic urticaria. N Engl J Med. 2013;368:2527-2528.
  11. Morgado-Carrasco D, Giacaman-Von der Weth M, Fusta-Novell X, et al. Clinical response and long-term follow-up of 20 patients with refractory solar urticarial under treatment with omalizumab [published online May 28, 2019]. J Am Acad Dermatol. doi:10.1016/j.jaad.2019.05.070.
  12. Duchini G, Bäumler W, Bircher AJ, et al. Failure of omalizumab (Xolair®) in the treatment of a case of solar urticaria caused by ultraviolet A and visible light. Photodermatol Photoimmunol Photomed. 2011;27:336-337.
  13. Bernstein JA, Lang DM, Khan DA, et al. The diagnosis and management of acute and chronic urticaria: 2014 update. J Allergy Clin Immunol. 2014;133:1270-1277.
References
  1. Merkin P. Pratique Dermatologique. Paris, France: Masso; 1904.
  2. Beattie PE, Dawe RS, Ibbotson SH, et al. Characteristics and prognosis of idiopathic solar urticaria: a cohort of 87 cases. Arch Dermatol. 2003;139:1149-1154.
  3. Kaplan AP. Therapy of chronic urticaria: a simple, modern approach. Ann Allergy Asthma Immunol. 2014;112:419-425.
  4. Metz M, Maurer M. Omalizumab in chronic urticaria. Curr Opin Allergy Clin Immunol. 2012;12:406-410.
  5. Aubin F, Porcher R, Jeanmougin M, et al. Severe and refractory solar urticaria treated with intravenous immunoglobulins: a phase II multicenter study. J Am Acad Dermatol. 2014;71:948-953.e1.
  6. Güzelbey O, Ardelean E, Magerl M, et al. Successful treatment of solar urticaria with anti-immunoglobulin E therapy. Allergy. 2008;63:1563-1565.
  7. Wu K, Jabbar-Lopez Z. Omalizumab, an anti-IgE mAb, receives approval for the treatment of chronic idiopathic/spontaneous urticaria. J Invest Dermatol. 2015;135:13-15.
  8. Boyce JA. Successful treatment of cold-induced urticaria/anaphylaxis with anti-IgE. J Allergy Clin Immunol. 2006;117:1415-1418.
  9. Corren J, Casale TB, Lanier B, et al. Safety and tolerability of omalizumab. Clin Exp Allergy. 2009;39:788-797.
  10. Wu K, Long H. Omalizumab for chronic urticaria. N Engl J Med. 2013;368:2527-2528.
  11. Morgado-Carrasco D, Giacaman-Von der Weth M, Fusta-Novell X, et al. Clinical response and long-term follow-up of 20 patients with refractory solar urticarial under treatment with omalizumab [published online May 28, 2019]. J Am Acad Dermatol. doi:10.1016/j.jaad.2019.05.070.
  12. Duchini G, Bäumler W, Bircher AJ, et al. Failure of omalizumab (Xolair®) in the treatment of a case of solar urticaria caused by ultraviolet A and visible light. Photodermatol Photoimmunol Photomed. 2011;27:336-337.
  13. Bernstein JA, Lang DM, Khan DA, et al. The diagnosis and management of acute and chronic urticaria: 2014 update. J Allergy Clin Immunol. 2014;133:1270-1277.
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  • Recurrent solar urticaria can be recalcitrant to treatment.
  • Omalizumab may be an effective treatment option for solar urticaria, especially in patients with a concomitant asthma diagnosis.
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MIPS: Nearly all eligible clinicians got a bonus for 2018

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Nearly all clinicians who are eligible to participate in the Merit-Based Incentive Payment System (MIPS) track of the Quality Payment Program did so in 2018; most scored above the performance threshold and got a bonus.

Seema Verma

According to the most recent data released this month by the Centers for Medicare & Medicaid Services, 98.37% of MIPS-eligible clinicians participated in the program. In the small/solo practice space, 89.20% of MIPS-eligible clinicians participated.

But more importantly, the clinicians are performing better one year later with the program, even though fewer are participating.

In 2018, 97.63% of clinicians scored above the performance threshold, up from 93.12% in 2017. There also were fewer clinicians performing at the threshold (0.42% in 2018, down from 2.01% in the previous year) and fewer clinicians scoring below the threshold (1.95%, down from 4.87%).

Exceeding the performance threshold resulted in a bonus to fee schedule payments in 2018, although the agency did not disclose how much money was paid out in performance bonuses.

MIPS scored “improved across performance categories, with the biggest gain in the Quality performance category, which highlights the program’s effectiveness in measuring outcomes for beneficiaries,” CMS Administrator Seema Verma wrote in a blog post.

The total number of eligible clinicians decreased in 2018 to 916,058, down from 1,057,824 in 2017 because CMS broadened the low-volume threshold to exempt providers from participation requirements.

Participants in a MIPS alternative payment model saw even more success in 2018. Participation increased from 341,220 clinicians in 2017 to 356,828 clinicians in 2018, while virtually all performed above the performance threshold (100% in 2017 and 99.99% in 2018). The 0.01% that was not above the threshold still met it, while no clinicians in either year that participated in a MIPS alternative payment model performed below the threshold.

Participation in the advanced alternative payment model track increased as well, going from 99,026 in 2017 to 183,306 in 2018.

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Nearly all clinicians who are eligible to participate in the Merit-Based Incentive Payment System (MIPS) track of the Quality Payment Program did so in 2018; most scored above the performance threshold and got a bonus.

Seema Verma

According to the most recent data released this month by the Centers for Medicare & Medicaid Services, 98.37% of MIPS-eligible clinicians participated in the program. In the small/solo practice space, 89.20% of MIPS-eligible clinicians participated.

But more importantly, the clinicians are performing better one year later with the program, even though fewer are participating.

In 2018, 97.63% of clinicians scored above the performance threshold, up from 93.12% in 2017. There also were fewer clinicians performing at the threshold (0.42% in 2018, down from 2.01% in the previous year) and fewer clinicians scoring below the threshold (1.95%, down from 4.87%).

Exceeding the performance threshold resulted in a bonus to fee schedule payments in 2018, although the agency did not disclose how much money was paid out in performance bonuses.

MIPS scored “improved across performance categories, with the biggest gain in the Quality performance category, which highlights the program’s effectiveness in measuring outcomes for beneficiaries,” CMS Administrator Seema Verma wrote in a blog post.

The total number of eligible clinicians decreased in 2018 to 916,058, down from 1,057,824 in 2017 because CMS broadened the low-volume threshold to exempt providers from participation requirements.

Participants in a MIPS alternative payment model saw even more success in 2018. Participation increased from 341,220 clinicians in 2017 to 356,828 clinicians in 2018, while virtually all performed above the performance threshold (100% in 2017 and 99.99% in 2018). The 0.01% that was not above the threshold still met it, while no clinicians in either year that participated in a MIPS alternative payment model performed below the threshold.

Participation in the advanced alternative payment model track increased as well, going from 99,026 in 2017 to 183,306 in 2018.

 

Nearly all clinicians who are eligible to participate in the Merit-Based Incentive Payment System (MIPS) track of the Quality Payment Program did so in 2018; most scored above the performance threshold and got a bonus.

Seema Verma

According to the most recent data released this month by the Centers for Medicare & Medicaid Services, 98.37% of MIPS-eligible clinicians participated in the program. In the small/solo practice space, 89.20% of MIPS-eligible clinicians participated.

But more importantly, the clinicians are performing better one year later with the program, even though fewer are participating.

In 2018, 97.63% of clinicians scored above the performance threshold, up from 93.12% in 2017. There also were fewer clinicians performing at the threshold (0.42% in 2018, down from 2.01% in the previous year) and fewer clinicians scoring below the threshold (1.95%, down from 4.87%).

Exceeding the performance threshold resulted in a bonus to fee schedule payments in 2018, although the agency did not disclose how much money was paid out in performance bonuses.

MIPS scored “improved across performance categories, with the biggest gain in the Quality performance category, which highlights the program’s effectiveness in measuring outcomes for beneficiaries,” CMS Administrator Seema Verma wrote in a blog post.

The total number of eligible clinicians decreased in 2018 to 916,058, down from 1,057,824 in 2017 because CMS broadened the low-volume threshold to exempt providers from participation requirements.

Participants in a MIPS alternative payment model saw even more success in 2018. Participation increased from 341,220 clinicians in 2017 to 356,828 clinicians in 2018, while virtually all performed above the performance threshold (100% in 2017 and 99.99% in 2018). The 0.01% that was not above the threshold still met it, while no clinicians in either year that participated in a MIPS alternative payment model performed below the threshold.

Participation in the advanced alternative payment model track increased as well, going from 99,026 in 2017 to 183,306 in 2018.

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Chemo-free combo gets high response rate in relapsed or refractory DLBCL

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– A chemotherapy-free combination of lenalidomide (Revlimid) and the novel anti-CD19 antibody tafasitamab (MOR208) continues to show encouraging clinical activity against relapsed/refractory diffuse large B cell lymphoma, with durable responses and promising progression-free and overall survival, investigators in the phase 2 L-MIND study reported.

Neil Osterweil/MDedge News
Dr. Giles Salles

After a median follow-up of 17.3 months, the overall response rate (ORR) – the primary endpoint in the single arm trial – was 60%, consisting of 42.5% complete responses (CR) and 17.5% partial responses (PR), reported Giles Salles, MD, PhD, of Claude Bernard University in Lyon, France.

“We see consistently high activity in transplant-ineligible subgroups, patients who have limited treatment options and who have really poor prognosis,” he said at the International Conference on Malignant Lymphoma (15-ICML).

In a preclinical study, a combination of MOR208 and lenalidomide showed synergistic antileukemic and antilymphoma activity both in vivo and in vitro. In addition, both lenalidomide and MOR208 have shown significant activity against relapsed, refractory B-cell non-Hodgkin lymphomas.

At the previous ICML meeting in 2017, Dr. Salles reported early interim results from the study, which showed that among 34 patients evaluable for response, the ORR was 56%, including complete responses in 32% of patients.

The L-MIND investigators enrolled transplant-ineligible patients 18 years and older with relapsed/refractory DLBCL, Eastern Cooperative Oncology Group performance status 0-2, and adequate organ function who had disease progression after 1-3 prior lines of therapy.

Patients with primary refractory DLBCL, double-hit or triple-hit DLBCL (i.e., mutations in Myc, BCL2, and/or BCL6), other non-Hodgkin lymphoma histological subtypes, or central nervous system lymphoma involvement were excluded.

Patients received tafasitamab 12 mg/kg intravenously on days 1, 8, 15, and 22 for cycles 1-3 and on days 1 and 15 of cycles 4-12. Lenalidomide 25 mg orally was delivered on days 1-21 of each cycle. Patients with stable disease or better at the end of 12 cycles could be maintained on tafasitamab at the same dose on days 1 and 15.

As noted, the combination was associated with an ORR among 80 patients of 60%, consisting of 34 CR (42.5%) complete responses and 14 (17.5%) PR. An additional 11 patients (13.75%) had stable disease, 13 (16.25%) had disease progression, and eight (10%) were not evaluable because of missing post-baseline tumor assessments.

The median duration of response in the entire cohort was 21.7 months. For patients with a CR, the median duration of response had not been reached at the time of data cutoff. For patients with a PR, the median duration of response was 4.4 months.


Hematologic treatment-emergent toxicities occurring in 10% or more of patients included (in descending order of frequency) neutropenia, anemia, thrombocytopenia, leukopenia, and febrile neutropenia.

Nonhematologic treatment-emergent events occurring in at least 10% of patients included diarrhea, asthenia, peripheral edema, pyrexia, rash, decreased appetite, hypokalemia, fatigue, and similar events, the majority of which were grade 1 or 2 in severity.

“The durable responses and favorable overall survival I would say represent a remarkable outcome, and this combination of lenalidomide with tafasitamab results in a new chemo-free immunotherapy for patients with relapsed/refractory DLBCL,” Dr. Salles said.

The L-MIND study is funded by MorphoSys Ag. Dr. Salles reported receiving fees for advisory board/consulting activities and educational activities from MorphoSys and other companies.

SOURCE: Salles G et al. 15-ICML, Abstract 124.

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– A chemotherapy-free combination of lenalidomide (Revlimid) and the novel anti-CD19 antibody tafasitamab (MOR208) continues to show encouraging clinical activity against relapsed/refractory diffuse large B cell lymphoma, with durable responses and promising progression-free and overall survival, investigators in the phase 2 L-MIND study reported.

Neil Osterweil/MDedge News
Dr. Giles Salles

After a median follow-up of 17.3 months, the overall response rate (ORR) – the primary endpoint in the single arm trial – was 60%, consisting of 42.5% complete responses (CR) and 17.5% partial responses (PR), reported Giles Salles, MD, PhD, of Claude Bernard University in Lyon, France.

“We see consistently high activity in transplant-ineligible subgroups, patients who have limited treatment options and who have really poor prognosis,” he said at the International Conference on Malignant Lymphoma (15-ICML).

In a preclinical study, a combination of MOR208 and lenalidomide showed synergistic antileukemic and antilymphoma activity both in vivo and in vitro. In addition, both lenalidomide and MOR208 have shown significant activity against relapsed, refractory B-cell non-Hodgkin lymphomas.

At the previous ICML meeting in 2017, Dr. Salles reported early interim results from the study, which showed that among 34 patients evaluable for response, the ORR was 56%, including complete responses in 32% of patients.

The L-MIND investigators enrolled transplant-ineligible patients 18 years and older with relapsed/refractory DLBCL, Eastern Cooperative Oncology Group performance status 0-2, and adequate organ function who had disease progression after 1-3 prior lines of therapy.

Patients with primary refractory DLBCL, double-hit or triple-hit DLBCL (i.e., mutations in Myc, BCL2, and/or BCL6), other non-Hodgkin lymphoma histological subtypes, or central nervous system lymphoma involvement were excluded.

Patients received tafasitamab 12 mg/kg intravenously on days 1, 8, 15, and 22 for cycles 1-3 and on days 1 and 15 of cycles 4-12. Lenalidomide 25 mg orally was delivered on days 1-21 of each cycle. Patients with stable disease or better at the end of 12 cycles could be maintained on tafasitamab at the same dose on days 1 and 15.

As noted, the combination was associated with an ORR among 80 patients of 60%, consisting of 34 CR (42.5%) complete responses and 14 (17.5%) PR. An additional 11 patients (13.75%) had stable disease, 13 (16.25%) had disease progression, and eight (10%) were not evaluable because of missing post-baseline tumor assessments.

The median duration of response in the entire cohort was 21.7 months. For patients with a CR, the median duration of response had not been reached at the time of data cutoff. For patients with a PR, the median duration of response was 4.4 months.


Hematologic treatment-emergent toxicities occurring in 10% or more of patients included (in descending order of frequency) neutropenia, anemia, thrombocytopenia, leukopenia, and febrile neutropenia.

Nonhematologic treatment-emergent events occurring in at least 10% of patients included diarrhea, asthenia, peripheral edema, pyrexia, rash, decreased appetite, hypokalemia, fatigue, and similar events, the majority of which were grade 1 or 2 in severity.

“The durable responses and favorable overall survival I would say represent a remarkable outcome, and this combination of lenalidomide with tafasitamab results in a new chemo-free immunotherapy for patients with relapsed/refractory DLBCL,” Dr. Salles said.

The L-MIND study is funded by MorphoSys Ag. Dr. Salles reported receiving fees for advisory board/consulting activities and educational activities from MorphoSys and other companies.

SOURCE: Salles G et al. 15-ICML, Abstract 124.

– A chemotherapy-free combination of lenalidomide (Revlimid) and the novel anti-CD19 antibody tafasitamab (MOR208) continues to show encouraging clinical activity against relapsed/refractory diffuse large B cell lymphoma, with durable responses and promising progression-free and overall survival, investigators in the phase 2 L-MIND study reported.

Neil Osterweil/MDedge News
Dr. Giles Salles

After a median follow-up of 17.3 months, the overall response rate (ORR) – the primary endpoint in the single arm trial – was 60%, consisting of 42.5% complete responses (CR) and 17.5% partial responses (PR), reported Giles Salles, MD, PhD, of Claude Bernard University in Lyon, France.

“We see consistently high activity in transplant-ineligible subgroups, patients who have limited treatment options and who have really poor prognosis,” he said at the International Conference on Malignant Lymphoma (15-ICML).

In a preclinical study, a combination of MOR208 and lenalidomide showed synergistic antileukemic and antilymphoma activity both in vivo and in vitro. In addition, both lenalidomide and MOR208 have shown significant activity against relapsed, refractory B-cell non-Hodgkin lymphomas.

At the previous ICML meeting in 2017, Dr. Salles reported early interim results from the study, which showed that among 34 patients evaluable for response, the ORR was 56%, including complete responses in 32% of patients.

The L-MIND investigators enrolled transplant-ineligible patients 18 years and older with relapsed/refractory DLBCL, Eastern Cooperative Oncology Group performance status 0-2, and adequate organ function who had disease progression after 1-3 prior lines of therapy.

Patients with primary refractory DLBCL, double-hit or triple-hit DLBCL (i.e., mutations in Myc, BCL2, and/or BCL6), other non-Hodgkin lymphoma histological subtypes, or central nervous system lymphoma involvement were excluded.

Patients received tafasitamab 12 mg/kg intravenously on days 1, 8, 15, and 22 for cycles 1-3 and on days 1 and 15 of cycles 4-12. Lenalidomide 25 mg orally was delivered on days 1-21 of each cycle. Patients with stable disease or better at the end of 12 cycles could be maintained on tafasitamab at the same dose on days 1 and 15.

As noted, the combination was associated with an ORR among 80 patients of 60%, consisting of 34 CR (42.5%) complete responses and 14 (17.5%) PR. An additional 11 patients (13.75%) had stable disease, 13 (16.25%) had disease progression, and eight (10%) were not evaluable because of missing post-baseline tumor assessments.

The median duration of response in the entire cohort was 21.7 months. For patients with a CR, the median duration of response had not been reached at the time of data cutoff. For patients with a PR, the median duration of response was 4.4 months.


Hematologic treatment-emergent toxicities occurring in 10% or more of patients included (in descending order of frequency) neutropenia, anemia, thrombocytopenia, leukopenia, and febrile neutropenia.

Nonhematologic treatment-emergent events occurring in at least 10% of patients included diarrhea, asthenia, peripheral edema, pyrexia, rash, decreased appetite, hypokalemia, fatigue, and similar events, the majority of which were grade 1 or 2 in severity.

“The durable responses and favorable overall survival I would say represent a remarkable outcome, and this combination of lenalidomide with tafasitamab results in a new chemo-free immunotherapy for patients with relapsed/refractory DLBCL,” Dr. Salles said.

The L-MIND study is funded by MorphoSys Ag. Dr. Salles reported receiving fees for advisory board/consulting activities and educational activities from MorphoSys and other companies.

SOURCE: Salles G et al. 15-ICML, Abstract 124.

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REPORTING FROM 15-ICML

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Amitriptyline for chronic low back pain

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Tue, 07/23/2019 - 06:00

Clinical question: Is a low-dose tricyclic antidepressant effective in the treatment of chronic low back pain?

Background: Lower back pain is the leading cause of disability globally and effective treatments are limited. Furthermore, opioid usage for lower back pain is a large contributor to the current opioid epidemic. A recent Cochrane review showed no clear evidence that antidepressant use in the treatment of back pain is effective, but it did note a lack of high-quality trials of sufficient rigor or length.

Study design: Double-blind, randomized controlled trial.

Setting: Single center trial in Melbourne.

Synopsis: Overall, 146 patients aged 18-75 with chronic lower back pain of no specific cause for more than 3 months were included. Exclusions included pathological cause, major coexisting illness, psychosis, or diagnosed depression. Patients were given amitriptyline 25 mg daily or benztropine mesylate 1 mg daily. Benztropine has similar anticholinergic side effects, without the antidepressant effect. Participants were assessed and followed by calls at 2 weeks, 1-2 months, 3 months, 4-5 months, and 6 months. Adherence was noted by the return of empty medication bottles at 6 months. Six-month surveys were completed by 81% and found that 70% of each group was adherent and 12% in each group withdrew because of adverse effects.

The primary outcome was level of pain at 6 months using a visual analog and descriptor scales. Secondary outcomes were measurement of disability, work missed, global improvement, general health, fear of movement, and depression.

The primary outcome was reduction in pain intensity of 12.6 (standard error, 2.7) with amitriptyline at 6 months, compared with 4.8 (SE 2.9) with benztropine, which did not meet statistical significance. There was a statistically significant difference in disability at 3 months, but not at 6 months.

Bottom line: This trial suggests that there may be a place for prescribed amitriptyline for chronic lower back pain, but it failed to show statistical significance. The study may not have been sufficiently powered to detect the difference.

Citations: Urquhart DM et al. Efficacy of low-dose amitriptyline for chronic low back pain: A randomized clinical trial. JAMA Intern Med. 2018;178(11):1474-81.


Dr. Lennon is an instructor of medicine at Northwestern University Feinberg School of Medicine and a hospitalist at Northwestern Memorial Hospital, both in Chicago.

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Clinical question: Is a low-dose tricyclic antidepressant effective in the treatment of chronic low back pain?

Background: Lower back pain is the leading cause of disability globally and effective treatments are limited. Furthermore, opioid usage for lower back pain is a large contributor to the current opioid epidemic. A recent Cochrane review showed no clear evidence that antidepressant use in the treatment of back pain is effective, but it did note a lack of high-quality trials of sufficient rigor or length.

Study design: Double-blind, randomized controlled trial.

Setting: Single center trial in Melbourne.

Synopsis: Overall, 146 patients aged 18-75 with chronic lower back pain of no specific cause for more than 3 months were included. Exclusions included pathological cause, major coexisting illness, psychosis, or diagnosed depression. Patients were given amitriptyline 25 mg daily or benztropine mesylate 1 mg daily. Benztropine has similar anticholinergic side effects, without the antidepressant effect. Participants were assessed and followed by calls at 2 weeks, 1-2 months, 3 months, 4-5 months, and 6 months. Adherence was noted by the return of empty medication bottles at 6 months. Six-month surveys were completed by 81% and found that 70% of each group was adherent and 12% in each group withdrew because of adverse effects.

The primary outcome was level of pain at 6 months using a visual analog and descriptor scales. Secondary outcomes were measurement of disability, work missed, global improvement, general health, fear of movement, and depression.

The primary outcome was reduction in pain intensity of 12.6 (standard error, 2.7) with amitriptyline at 6 months, compared with 4.8 (SE 2.9) with benztropine, which did not meet statistical significance. There was a statistically significant difference in disability at 3 months, but not at 6 months.

Bottom line: This trial suggests that there may be a place for prescribed amitriptyline for chronic lower back pain, but it failed to show statistical significance. The study may not have been sufficiently powered to detect the difference.

Citations: Urquhart DM et al. Efficacy of low-dose amitriptyline for chronic low back pain: A randomized clinical trial. JAMA Intern Med. 2018;178(11):1474-81.


Dr. Lennon is an instructor of medicine at Northwestern University Feinberg School of Medicine and a hospitalist at Northwestern Memorial Hospital, both in Chicago.

Clinical question: Is a low-dose tricyclic antidepressant effective in the treatment of chronic low back pain?

Background: Lower back pain is the leading cause of disability globally and effective treatments are limited. Furthermore, opioid usage for lower back pain is a large contributor to the current opioid epidemic. A recent Cochrane review showed no clear evidence that antidepressant use in the treatment of back pain is effective, but it did note a lack of high-quality trials of sufficient rigor or length.

Study design: Double-blind, randomized controlled trial.

Setting: Single center trial in Melbourne.

Synopsis: Overall, 146 patients aged 18-75 with chronic lower back pain of no specific cause for more than 3 months were included. Exclusions included pathological cause, major coexisting illness, psychosis, or diagnosed depression. Patients were given amitriptyline 25 mg daily or benztropine mesylate 1 mg daily. Benztropine has similar anticholinergic side effects, without the antidepressant effect. Participants were assessed and followed by calls at 2 weeks, 1-2 months, 3 months, 4-5 months, and 6 months. Adherence was noted by the return of empty medication bottles at 6 months. Six-month surveys were completed by 81% and found that 70% of each group was adherent and 12% in each group withdrew because of adverse effects.

The primary outcome was level of pain at 6 months using a visual analog and descriptor scales. Secondary outcomes were measurement of disability, work missed, global improvement, general health, fear of movement, and depression.

The primary outcome was reduction in pain intensity of 12.6 (standard error, 2.7) with amitriptyline at 6 months, compared with 4.8 (SE 2.9) with benztropine, which did not meet statistical significance. There was a statistically significant difference in disability at 3 months, but not at 6 months.

Bottom line: This trial suggests that there may be a place for prescribed amitriptyline for chronic lower back pain, but it failed to show statistical significance. The study may not have been sufficiently powered to detect the difference.

Citations: Urquhart DM et al. Efficacy of low-dose amitriptyline for chronic low back pain: A randomized clinical trial. JAMA Intern Med. 2018;178(11):1474-81.


Dr. Lennon is an instructor of medicine at Northwestern University Feinberg School of Medicine and a hospitalist at Northwestern Memorial Hospital, both in Chicago.

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An Algorithm to Identify PrEP-Potential Patients

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Tue, 07/23/2019 - 03:08
Novel computerized methods developed by NIH-funded researchers may help ease screening of patients for PrEP.

Health care providers who do not have the time or tools to screen patients for HIV risk also may not be prescribing preexposure prophylaxis (PrEP). But help is on the way: NIH-funded researchers have come up with novel computerized methods to identify the patients PrEP could benefit.

In 2 separate studies, the researchers developed and validated algorithms that analyze electronic health records (EHR). In the first study, Harvard researchers used machine learning to create an HIV prediction algorithm using 2007 to 2015 data from > 1 million patients in Massachusetts. The model included variables such as diagnosis codes for HIV counseling or sexually transmitted infections (STIs), laboratory tests for HIV or STIs, and prescriptions for medications related to treating STIs.

The model was validated using data from nearly 600,000 other patients treated between 2011 and 2016. The prediction algorithm successfully distinguished with high precision between patients who did or did not acquire HIV and between those who did or did not receive a PrEP prescription.

The researchers found hundreds of potential missed opportunities. They point to > 9,500 people in the 2016 dataset with particularly high-risk scores who were not prescribed PrEP. A “striking outcome,” the researchers say, is that their analysis suggests that nearly 40% of new HIV cases might have been averted had clinicians received alerts to discuss and offer PrEP to patients with the highest 2% of risk scores.

In the second study, researchers used the EHRs of > 3.7 million patients who entered the Kaiser Permanente System Northern California between 2007 and 2014 to develop a model to predict HIV incidence, then validated the model with data from between 2015 and 2017. Of the original patient group, 784 developed HIV within 3 years of baseline. The study found that the model identified nearly half of the incident HIV cases among males by flagging only 2% of the general patient population.

Embedding the algorithm into the EHR, the lead investigator says, “could prompt providers to discuss PrEP with patients who are most likely to benefit.”

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Novel computerized methods developed by NIH-funded researchers may help ease screening of patients for PrEP.
Novel computerized methods developed by NIH-funded researchers may help ease screening of patients for PrEP.

Health care providers who do not have the time or tools to screen patients for HIV risk also may not be prescribing preexposure prophylaxis (PrEP). But help is on the way: NIH-funded researchers have come up with novel computerized methods to identify the patients PrEP could benefit.

In 2 separate studies, the researchers developed and validated algorithms that analyze electronic health records (EHR). In the first study, Harvard researchers used machine learning to create an HIV prediction algorithm using 2007 to 2015 data from > 1 million patients in Massachusetts. The model included variables such as diagnosis codes for HIV counseling or sexually transmitted infections (STIs), laboratory tests for HIV or STIs, and prescriptions for medications related to treating STIs.

The model was validated using data from nearly 600,000 other patients treated between 2011 and 2016. The prediction algorithm successfully distinguished with high precision between patients who did or did not acquire HIV and between those who did or did not receive a PrEP prescription.

The researchers found hundreds of potential missed opportunities. They point to > 9,500 people in the 2016 dataset with particularly high-risk scores who were not prescribed PrEP. A “striking outcome,” the researchers say, is that their analysis suggests that nearly 40% of new HIV cases might have been averted had clinicians received alerts to discuss and offer PrEP to patients with the highest 2% of risk scores.

In the second study, researchers used the EHRs of > 3.7 million patients who entered the Kaiser Permanente System Northern California between 2007 and 2014 to develop a model to predict HIV incidence, then validated the model with data from between 2015 and 2017. Of the original patient group, 784 developed HIV within 3 years of baseline. The study found that the model identified nearly half of the incident HIV cases among males by flagging only 2% of the general patient population.

Embedding the algorithm into the EHR, the lead investigator says, “could prompt providers to discuss PrEP with patients who are most likely to benefit.”

Health care providers who do not have the time or tools to screen patients for HIV risk also may not be prescribing preexposure prophylaxis (PrEP). But help is on the way: NIH-funded researchers have come up with novel computerized methods to identify the patients PrEP could benefit.

In 2 separate studies, the researchers developed and validated algorithms that analyze electronic health records (EHR). In the first study, Harvard researchers used machine learning to create an HIV prediction algorithm using 2007 to 2015 data from > 1 million patients in Massachusetts. The model included variables such as diagnosis codes for HIV counseling or sexually transmitted infections (STIs), laboratory tests for HIV or STIs, and prescriptions for medications related to treating STIs.

The model was validated using data from nearly 600,000 other patients treated between 2011 and 2016. The prediction algorithm successfully distinguished with high precision between patients who did or did not acquire HIV and between those who did or did not receive a PrEP prescription.

The researchers found hundreds of potential missed opportunities. They point to > 9,500 people in the 2016 dataset with particularly high-risk scores who were not prescribed PrEP. A “striking outcome,” the researchers say, is that their analysis suggests that nearly 40% of new HIV cases might have been averted had clinicians received alerts to discuss and offer PrEP to patients with the highest 2% of risk scores.

In the second study, researchers used the EHRs of > 3.7 million patients who entered the Kaiser Permanente System Northern California between 2007 and 2014 to develop a model to predict HIV incidence, then validated the model with data from between 2015 and 2017. Of the original patient group, 784 developed HIV within 3 years of baseline. The study found that the model identified nearly half of the incident HIV cases among males by flagging only 2% of the general patient population.

Embedding the algorithm into the EHR, the lead investigator says, “could prompt providers to discuss PrEP with patients who are most likely to benefit.”

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Liberalized low–glycemic-index diet effective for seizure reduction

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Wed, 07/24/2019 - 08:44

Five days per week of a low–glycemic-index diet proved as effective for reducing seizure frequency as the strict, full-on 7-days-a-week regimen in children and adolescents with drug-resistant epilepsy in a randomized, double-blind, 24-week, noninferiority study.

Bruce Jancin/MDedge News
Dr. Prateek K. Panda

The low–glycemic-index diet (LGID) was introduced as a kinder, gentler, variant of the classic ketogenic diet for seizure frequency reduction. The ketogenic diet’s efficacy for this purpose is well established, but compliance is a problem and discontinuation rates are high. Yet even though the LGID was designed to be less onerous than the ketogenic diet, many children and parents also find the 7-days-a-week LGID to be excessively burdensome. This was the impetus for pitting the daily LGID against an intermittent version – 5 days on, 2 days off – in a randomized trial, Prateek K. Panda, MD, explained at the International Epilepsy Congress.

The hypothesis of this noninferiority trial was that adherence to the liberalized LGID would be similar to or better than that with the daily LGID regimen, with resultant similar reductions in seizure frequency. And further, that patients on the intermittent LGID would feel better because it would help improve depleted glycogen stores important for daily activity and that the liberalized diet would also be rated more favorably by caregivers, Dr. Panda said at the congress sponsored by the International League Against Epilepsy.

The 24-week, single-center trial included 122 children ages 1-15 years with drug-resistant epilepsy. At baseline they averaged 99 seizures per week by parental diary despite being on a median of four antiepileptic drugs. A total of 88% of participants had some form of structural epilepsy; the rest had a probable or confirmed genetic cause for their seizure disorder, according to Dr. Panda of the All-India Institute of Medical Sciences in New Delhi.

The standard daily LGID was comprised of 10% carbohydrate, 30% protein, and 60% fat, with only low–glycemic-index foods permitted. The cohort randomized to the liberalized diet ate that way on weekdays; however, on Saturdays and Sundays their diet was 20% carbohydrate, 30% protein, and 50% fat, with both medium- and low–glycemic-index foods allowed.

The primary outcome was the mean reduction in seizures per week by caregiver records at 24 weeks. The reduction from baseline was 54% in the strict LGID group and not significantly different at 49% in the intermittent LGID patients. Overall, 54% of patients in the strict LGID arm experienced a greater than 50% reduction in weekly seizure frequency, as did 50% on the liberalized diet, a nonsignificant difference.

There were five study dropouts in the strict LGID group and three in the liberalized LGID cohort. The two groups showed similar improvements over baseline in measures of social function, behavior, and cognition. Parents of children in the liberalized LGID group rated that diet as significantly less difficult to administer than those randomized to the strict LGID therapy.

Mean hemoglobin A1c improved in the strict LGID patients from 5.7% at baseline to 5.1% at both 12 and 24 weeks. The intermittent LGID group went from 5.6% to 5.0% and then to 5.2%. There was no correlation between HbA1c and reduction in seizure frequency. In contrast, serum beta-hydroxybutyrate levels showed a moderate correlation with seizure frequency, a novel finding which if confirmed might render beta-hydroxybutyrate useful as a biomarker, according to Dr. Panda.

Adverse events – mostly dyslipidemia and GI complaints such as vomiting or constipation – occurred in 25% of the strict LGID group and 13% with the intermittent LGID. All adverse events were mild.

Dr. Panda reported having no financial conflicts regarding the study, sponsored by the All-India Institute of Medical Sciences.

SOURCE: Panda PK et al. IEC 2019, Abstract P056.

 

 

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Five days per week of a low–glycemic-index diet proved as effective for reducing seizure frequency as the strict, full-on 7-days-a-week regimen in children and adolescents with drug-resistant epilepsy in a randomized, double-blind, 24-week, noninferiority study.

Bruce Jancin/MDedge News
Dr. Prateek K. Panda

The low–glycemic-index diet (LGID) was introduced as a kinder, gentler, variant of the classic ketogenic diet for seizure frequency reduction. The ketogenic diet’s efficacy for this purpose is well established, but compliance is a problem and discontinuation rates are high. Yet even though the LGID was designed to be less onerous than the ketogenic diet, many children and parents also find the 7-days-a-week LGID to be excessively burdensome. This was the impetus for pitting the daily LGID against an intermittent version – 5 days on, 2 days off – in a randomized trial, Prateek K. Panda, MD, explained at the International Epilepsy Congress.

The hypothesis of this noninferiority trial was that adherence to the liberalized LGID would be similar to or better than that with the daily LGID regimen, with resultant similar reductions in seizure frequency. And further, that patients on the intermittent LGID would feel better because it would help improve depleted glycogen stores important for daily activity and that the liberalized diet would also be rated more favorably by caregivers, Dr. Panda said at the congress sponsored by the International League Against Epilepsy.

The 24-week, single-center trial included 122 children ages 1-15 years with drug-resistant epilepsy. At baseline they averaged 99 seizures per week by parental diary despite being on a median of four antiepileptic drugs. A total of 88% of participants had some form of structural epilepsy; the rest had a probable or confirmed genetic cause for their seizure disorder, according to Dr. Panda of the All-India Institute of Medical Sciences in New Delhi.

The standard daily LGID was comprised of 10% carbohydrate, 30% protein, and 60% fat, with only low–glycemic-index foods permitted. The cohort randomized to the liberalized diet ate that way on weekdays; however, on Saturdays and Sundays their diet was 20% carbohydrate, 30% protein, and 50% fat, with both medium- and low–glycemic-index foods allowed.

The primary outcome was the mean reduction in seizures per week by caregiver records at 24 weeks. The reduction from baseline was 54% in the strict LGID group and not significantly different at 49% in the intermittent LGID patients. Overall, 54% of patients in the strict LGID arm experienced a greater than 50% reduction in weekly seizure frequency, as did 50% on the liberalized diet, a nonsignificant difference.

There were five study dropouts in the strict LGID group and three in the liberalized LGID cohort. The two groups showed similar improvements over baseline in measures of social function, behavior, and cognition. Parents of children in the liberalized LGID group rated that diet as significantly less difficult to administer than those randomized to the strict LGID therapy.

Mean hemoglobin A1c improved in the strict LGID patients from 5.7% at baseline to 5.1% at both 12 and 24 weeks. The intermittent LGID group went from 5.6% to 5.0% and then to 5.2%. There was no correlation between HbA1c and reduction in seizure frequency. In contrast, serum beta-hydroxybutyrate levels showed a moderate correlation with seizure frequency, a novel finding which if confirmed might render beta-hydroxybutyrate useful as a biomarker, according to Dr. Panda.

Adverse events – mostly dyslipidemia and GI complaints such as vomiting or constipation – occurred in 25% of the strict LGID group and 13% with the intermittent LGID. All adverse events were mild.

Dr. Panda reported having no financial conflicts regarding the study, sponsored by the All-India Institute of Medical Sciences.

SOURCE: Panda PK et al. IEC 2019, Abstract P056.

 

 

Five days per week of a low–glycemic-index diet proved as effective for reducing seizure frequency as the strict, full-on 7-days-a-week regimen in children and adolescents with drug-resistant epilepsy in a randomized, double-blind, 24-week, noninferiority study.

Bruce Jancin/MDedge News
Dr. Prateek K. Panda

The low–glycemic-index diet (LGID) was introduced as a kinder, gentler, variant of the classic ketogenic diet for seizure frequency reduction. The ketogenic diet’s efficacy for this purpose is well established, but compliance is a problem and discontinuation rates are high. Yet even though the LGID was designed to be less onerous than the ketogenic diet, many children and parents also find the 7-days-a-week LGID to be excessively burdensome. This was the impetus for pitting the daily LGID against an intermittent version – 5 days on, 2 days off – in a randomized trial, Prateek K. Panda, MD, explained at the International Epilepsy Congress.

The hypothesis of this noninferiority trial was that adherence to the liberalized LGID would be similar to or better than that with the daily LGID regimen, with resultant similar reductions in seizure frequency. And further, that patients on the intermittent LGID would feel better because it would help improve depleted glycogen stores important for daily activity and that the liberalized diet would also be rated more favorably by caregivers, Dr. Panda said at the congress sponsored by the International League Against Epilepsy.

The 24-week, single-center trial included 122 children ages 1-15 years with drug-resistant epilepsy. At baseline they averaged 99 seizures per week by parental diary despite being on a median of four antiepileptic drugs. A total of 88% of participants had some form of structural epilepsy; the rest had a probable or confirmed genetic cause for their seizure disorder, according to Dr. Panda of the All-India Institute of Medical Sciences in New Delhi.

The standard daily LGID was comprised of 10% carbohydrate, 30% protein, and 60% fat, with only low–glycemic-index foods permitted. The cohort randomized to the liberalized diet ate that way on weekdays; however, on Saturdays and Sundays their diet was 20% carbohydrate, 30% protein, and 50% fat, with both medium- and low–glycemic-index foods allowed.

The primary outcome was the mean reduction in seizures per week by caregiver records at 24 weeks. The reduction from baseline was 54% in the strict LGID group and not significantly different at 49% in the intermittent LGID patients. Overall, 54% of patients in the strict LGID arm experienced a greater than 50% reduction in weekly seizure frequency, as did 50% on the liberalized diet, a nonsignificant difference.

There were five study dropouts in the strict LGID group and three in the liberalized LGID cohort. The two groups showed similar improvements over baseline in measures of social function, behavior, and cognition. Parents of children in the liberalized LGID group rated that diet as significantly less difficult to administer than those randomized to the strict LGID therapy.

Mean hemoglobin A1c improved in the strict LGID patients from 5.7% at baseline to 5.1% at both 12 and 24 weeks. The intermittent LGID group went from 5.6% to 5.0% and then to 5.2%. There was no correlation between HbA1c and reduction in seizure frequency. In contrast, serum beta-hydroxybutyrate levels showed a moderate correlation with seizure frequency, a novel finding which if confirmed might render beta-hydroxybutyrate useful as a biomarker, according to Dr. Panda.

Adverse events – mostly dyslipidemia and GI complaints such as vomiting or constipation – occurred in 25% of the strict LGID group and 13% with the intermittent LGID. All adverse events were mild.

Dr. Panda reported having no financial conflicts regarding the study, sponsored by the All-India Institute of Medical Sciences.

SOURCE: Panda PK et al. IEC 2019, Abstract P056.

 

 

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POEM outperforms pneumatic dilation in randomized achalasia trial

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Wed, 07/31/2019 - 17:31

 

In patients with previously untreated achalasia, peroral endoscopic myotomy had a high procedural success rate as compared to pneumatic dilation, results of a randomized clinical trial show.

Peroral endoscopic myotomy (POEM) had a success rate exceeding 90%, versus just about 50% for standard balloon dilation in what investigators say is, to their knowledge, the first-ever randomized trial to evaluate POEM as a first-line modality for this esophageal motility disorder.

Reflux esophagitis was the major downside of POEM, according to investigators, who reported the complication in 41% of patients at a 2-year follow-up, as compared to just 7% of patients undergoing the standard balloon dilation.

Nevertheless, there were no serious adverse events among 63 POEM-treated patients, while one patient out of 63 undergoing pneumatic dilation had a perforation that required endoscopic closure and hospitalization, according to senior study author Albert J. Bredenoord, MD, PhD, of Amsterdam University Medical Center.

“These findings support consideration of POEM as an initial treatment option for patients with achalasia,” Dr. Bredenoord and coinvestigators said in a report on the study appearing in JAMA.

While endoscopic pneumatic dilation is the usual treatment for achalasia, POEM has become more commonly used following case series showing high rates of efficacy, according to the authors.

The POEM procedure also offers advantages over laparoscopic Heller myotomy, which is invasive and associated with severe complications, including a transmural perforation rate of 4%-10%, they said in their report.

Their randomized trial included 133 adults with newly diagnosed achalasia enrolled at one of six hospitals in Germany, Hong Kong, Italy, Netherlands, and the United States.

Patients were randomly assigned to undergo 1-2 pneumatic dilations performed by an endoscopist who had performed at least 20 such procedures in the past, or to a POEM procedure likewise performed by an expert who had already done more than 20 such procedures.

At baseline, patients’ Eckardt symptom scores ranged from 6 to 9 on a scale with 0 indicating the lowest severity, to 12 indicating the highest. The median Eckardt scores were 8 in the POEM group and 7 in the pneumatic dilation group.

Treatment success, defined as an Eckardt score under 3 and no severe complications or retreatment at 2 years, was achieved by 58 of 63 patients (92%) in the POEM group, compared with 34 of 63 patients (54%) in the pneumatic dilation group (P less than .001), investigators reported.

Reflux esophagitis was observed in 22 of 54 POEM-treated patients (41%) who underwent endoscopy at a 2-year evaluation, compared with only 2 of 29 patients (7%) who had received the balloon dilation procedure (P = .002). In line with that finding, both reflux symptoms and daily proton pump inhibitor use were more common in the POEM group, investigators said.

However, there were no differences between POEM and pneumatic dilation groups in quality of life and other secondary endpoints, including median barium column height and median integrated relaxation pressure, they reported.

Two serious adverse events related to treatment were seen, according to investigators, including one perforation requiring an endoscopic closure plus antibiotics and hospitalization for 13 days, and one hospital admission for a night because of severe chest pain with no signs of perforation.

“Although POEM is more invasive and requires more technical endoscopic skills, the risk of severe complications was not higher than with pneumatic dilation, especially when performed by experienced endoscopists,” Dr. Bredenoord and coauthors said in their report.

However, these results do not imply that the traditional dilation procedure should be abandoned, they said, as POEM is more invasive, more involved, and more likely to result in reflux esophagitis.

“It seems reasonable to offer both options to treatment-naive patients with achalasia and counsel them to select treatment based on the patient’s characteristics, personal preference, comorbidity, and disease subtype,” they said.

Funding for the study came from Fonds NutsOhra and the European Society of Gastrointestinal Endoscopy. Dr. Bredenoord reported disclosures related to Norgine, Laborie, Medtronic, Diversatek, Nutricia, Regeneron, Celgene, Bayer, and Dr. Falk Pharma.

SOURCE: Ponds FA et al. JAMA. 2019;322(2):134-44. doi: 10.1001/jama.2019.8859.

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In patients with previously untreated achalasia, peroral endoscopic myotomy had a high procedural success rate as compared to pneumatic dilation, results of a randomized clinical trial show.

Peroral endoscopic myotomy (POEM) had a success rate exceeding 90%, versus just about 50% for standard balloon dilation in what investigators say is, to their knowledge, the first-ever randomized trial to evaluate POEM as a first-line modality for this esophageal motility disorder.

Reflux esophagitis was the major downside of POEM, according to investigators, who reported the complication in 41% of patients at a 2-year follow-up, as compared to just 7% of patients undergoing the standard balloon dilation.

Nevertheless, there were no serious adverse events among 63 POEM-treated patients, while one patient out of 63 undergoing pneumatic dilation had a perforation that required endoscopic closure and hospitalization, according to senior study author Albert J. Bredenoord, MD, PhD, of Amsterdam University Medical Center.

“These findings support consideration of POEM as an initial treatment option for patients with achalasia,” Dr. Bredenoord and coinvestigators said in a report on the study appearing in JAMA.

While endoscopic pneumatic dilation is the usual treatment for achalasia, POEM has become more commonly used following case series showing high rates of efficacy, according to the authors.

The POEM procedure also offers advantages over laparoscopic Heller myotomy, which is invasive and associated with severe complications, including a transmural perforation rate of 4%-10%, they said in their report.

Their randomized trial included 133 adults with newly diagnosed achalasia enrolled at one of six hospitals in Germany, Hong Kong, Italy, Netherlands, and the United States.

Patients were randomly assigned to undergo 1-2 pneumatic dilations performed by an endoscopist who had performed at least 20 such procedures in the past, or to a POEM procedure likewise performed by an expert who had already done more than 20 such procedures.

At baseline, patients’ Eckardt symptom scores ranged from 6 to 9 on a scale with 0 indicating the lowest severity, to 12 indicating the highest. The median Eckardt scores were 8 in the POEM group and 7 in the pneumatic dilation group.

Treatment success, defined as an Eckardt score under 3 and no severe complications or retreatment at 2 years, was achieved by 58 of 63 patients (92%) in the POEM group, compared with 34 of 63 patients (54%) in the pneumatic dilation group (P less than .001), investigators reported.

Reflux esophagitis was observed in 22 of 54 POEM-treated patients (41%) who underwent endoscopy at a 2-year evaluation, compared with only 2 of 29 patients (7%) who had received the balloon dilation procedure (P = .002). In line with that finding, both reflux symptoms and daily proton pump inhibitor use were more common in the POEM group, investigators said.

However, there were no differences between POEM and pneumatic dilation groups in quality of life and other secondary endpoints, including median barium column height and median integrated relaxation pressure, they reported.

Two serious adverse events related to treatment were seen, according to investigators, including one perforation requiring an endoscopic closure plus antibiotics and hospitalization for 13 days, and one hospital admission for a night because of severe chest pain with no signs of perforation.

“Although POEM is more invasive and requires more technical endoscopic skills, the risk of severe complications was not higher than with pneumatic dilation, especially when performed by experienced endoscopists,” Dr. Bredenoord and coauthors said in their report.

However, these results do not imply that the traditional dilation procedure should be abandoned, they said, as POEM is more invasive, more involved, and more likely to result in reflux esophagitis.

“It seems reasonable to offer both options to treatment-naive patients with achalasia and counsel them to select treatment based on the patient’s characteristics, personal preference, comorbidity, and disease subtype,” they said.

Funding for the study came from Fonds NutsOhra and the European Society of Gastrointestinal Endoscopy. Dr. Bredenoord reported disclosures related to Norgine, Laborie, Medtronic, Diversatek, Nutricia, Regeneron, Celgene, Bayer, and Dr. Falk Pharma.

SOURCE: Ponds FA et al. JAMA. 2019;322(2):134-44. doi: 10.1001/jama.2019.8859.

 

In patients with previously untreated achalasia, peroral endoscopic myotomy had a high procedural success rate as compared to pneumatic dilation, results of a randomized clinical trial show.

Peroral endoscopic myotomy (POEM) had a success rate exceeding 90%, versus just about 50% for standard balloon dilation in what investigators say is, to their knowledge, the first-ever randomized trial to evaluate POEM as a first-line modality for this esophageal motility disorder.

Reflux esophagitis was the major downside of POEM, according to investigators, who reported the complication in 41% of patients at a 2-year follow-up, as compared to just 7% of patients undergoing the standard balloon dilation.

Nevertheless, there were no serious adverse events among 63 POEM-treated patients, while one patient out of 63 undergoing pneumatic dilation had a perforation that required endoscopic closure and hospitalization, according to senior study author Albert J. Bredenoord, MD, PhD, of Amsterdam University Medical Center.

“These findings support consideration of POEM as an initial treatment option for patients with achalasia,” Dr. Bredenoord and coinvestigators said in a report on the study appearing in JAMA.

While endoscopic pneumatic dilation is the usual treatment for achalasia, POEM has become more commonly used following case series showing high rates of efficacy, according to the authors.

The POEM procedure also offers advantages over laparoscopic Heller myotomy, which is invasive and associated with severe complications, including a transmural perforation rate of 4%-10%, they said in their report.

Their randomized trial included 133 adults with newly diagnosed achalasia enrolled at one of six hospitals in Germany, Hong Kong, Italy, Netherlands, and the United States.

Patients were randomly assigned to undergo 1-2 pneumatic dilations performed by an endoscopist who had performed at least 20 such procedures in the past, or to a POEM procedure likewise performed by an expert who had already done more than 20 such procedures.

At baseline, patients’ Eckardt symptom scores ranged from 6 to 9 on a scale with 0 indicating the lowest severity, to 12 indicating the highest. The median Eckardt scores were 8 in the POEM group and 7 in the pneumatic dilation group.

Treatment success, defined as an Eckardt score under 3 and no severe complications or retreatment at 2 years, was achieved by 58 of 63 patients (92%) in the POEM group, compared with 34 of 63 patients (54%) in the pneumatic dilation group (P less than .001), investigators reported.

Reflux esophagitis was observed in 22 of 54 POEM-treated patients (41%) who underwent endoscopy at a 2-year evaluation, compared with only 2 of 29 patients (7%) who had received the balloon dilation procedure (P = .002). In line with that finding, both reflux symptoms and daily proton pump inhibitor use were more common in the POEM group, investigators said.

However, there were no differences between POEM and pneumatic dilation groups in quality of life and other secondary endpoints, including median barium column height and median integrated relaxation pressure, they reported.

Two serious adverse events related to treatment were seen, according to investigators, including one perforation requiring an endoscopic closure plus antibiotics and hospitalization for 13 days, and one hospital admission for a night because of severe chest pain with no signs of perforation.

“Although POEM is more invasive and requires more technical endoscopic skills, the risk of severe complications was not higher than with pneumatic dilation, especially when performed by experienced endoscopists,” Dr. Bredenoord and coauthors said in their report.

However, these results do not imply that the traditional dilation procedure should be abandoned, they said, as POEM is more invasive, more involved, and more likely to result in reflux esophagitis.

“It seems reasonable to offer both options to treatment-naive patients with achalasia and counsel them to select treatment based on the patient’s characteristics, personal preference, comorbidity, and disease subtype,” they said.

Funding for the study came from Fonds NutsOhra and the European Society of Gastrointestinal Endoscopy. Dr. Bredenoord reported disclosures related to Norgine, Laborie, Medtronic, Diversatek, Nutricia, Regeneron, Celgene, Bayer, and Dr. Falk Pharma.

SOURCE: Ponds FA et al. JAMA. 2019;322(2):134-44. doi: 10.1001/jama.2019.8859.

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Sickle cell unit running 24/7 reduces readmissions, emergency visits

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FORT LAUDERDALE, FLA. — A dedicated, 24-hour, 7-day-a-week sickle cell inpatient observation unit staffed by a multidisciplinary care team significantly reduced inpatient admissions and emergency department visits per patient, according to an analysis of a Philadelphia program.

Dr. Sanaa Rizk

“These findings confirm the need for an individualized approach to treatment,” Sanaa Rizk, MD, director of the hereditary anemia program at Thomas Jefferson University Hospital, Philadelphia, said at the annual meeting of the Foundation for Sickle Cell Disease Research. “The potential strength of a multidisciplinary approach and personalized interventions toward high-utilizing subpopulations may offer the greatest impact.”

The study evaluated what Dr. Rizk called “the second clinical transformation” in care of sickle cell disease patients, which Thomas Jefferson University implemented in 2015. The comprehensive sickle cell center first opened in 2003, and the first transformation in November 2013 consisted of opening a four-bed sickle cell day unit to treat uncomplicated sickle cell vaso-occlusive crises with personalized pain treatment protocols (including IV fluids and opioids). It was staffed by a nurse practitioner, medical assistant, and two registered nurses from 8 a.m. to 5 p.m.

The second transformation transferred care to the inpatient observation unit on the hospital floor with access to 12 patient beds. A sickle cell nurse practitioner sees patients for same-day appointments, conducts sick visits, performs outreach, and handles follow-up with patients. The rest of the multidisciplinary team includes hospitalists, hematologists, internists, and a social worker who performs weekly inpatient rounds and meets monthly with ED leaders and pharmacists.

With the first transformation, ED visits per patient fell from 3.67 to 2.14 a year (P less than .001), and inpatient admissions per patient fell from 1.33 to 0.63 (P less than .0001), Dr. Rizk reported.

The second transformation reduced those per-patient rates even further, to 0.47 ED visits (P less than .01) and 0.29 inpatient admissions (P less than .001), she said.

“The expansion of the service reduced admissions and ED use significantly,” Dr. Rizk said.

She added that a subanalysis of the high-utilizer subgroup showed a decrease in average total medical charges by approximately $100,000/patient per year.

Dr. Rizk reported having no relevant financial disclosures.

SOURCE: Rizk S et al. FSCDR 2019, Abstract JSCDH-D-19-00049.

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FORT LAUDERDALE, FLA. — A dedicated, 24-hour, 7-day-a-week sickle cell inpatient observation unit staffed by a multidisciplinary care team significantly reduced inpatient admissions and emergency department visits per patient, according to an analysis of a Philadelphia program.

Dr. Sanaa Rizk

“These findings confirm the need for an individualized approach to treatment,” Sanaa Rizk, MD, director of the hereditary anemia program at Thomas Jefferson University Hospital, Philadelphia, said at the annual meeting of the Foundation for Sickle Cell Disease Research. “The potential strength of a multidisciplinary approach and personalized interventions toward high-utilizing subpopulations may offer the greatest impact.”

The study evaluated what Dr. Rizk called “the second clinical transformation” in care of sickle cell disease patients, which Thomas Jefferson University implemented in 2015. The comprehensive sickle cell center first opened in 2003, and the first transformation in November 2013 consisted of opening a four-bed sickle cell day unit to treat uncomplicated sickle cell vaso-occlusive crises with personalized pain treatment protocols (including IV fluids and opioids). It was staffed by a nurse practitioner, medical assistant, and two registered nurses from 8 a.m. to 5 p.m.

The second transformation transferred care to the inpatient observation unit on the hospital floor with access to 12 patient beds. A sickle cell nurse practitioner sees patients for same-day appointments, conducts sick visits, performs outreach, and handles follow-up with patients. The rest of the multidisciplinary team includes hospitalists, hematologists, internists, and a social worker who performs weekly inpatient rounds and meets monthly with ED leaders and pharmacists.

With the first transformation, ED visits per patient fell from 3.67 to 2.14 a year (P less than .001), and inpatient admissions per patient fell from 1.33 to 0.63 (P less than .0001), Dr. Rizk reported.

The second transformation reduced those per-patient rates even further, to 0.47 ED visits (P less than .01) and 0.29 inpatient admissions (P less than .001), she said.

“The expansion of the service reduced admissions and ED use significantly,” Dr. Rizk said.

She added that a subanalysis of the high-utilizer subgroup showed a decrease in average total medical charges by approximately $100,000/patient per year.

Dr. Rizk reported having no relevant financial disclosures.

SOURCE: Rizk S et al. FSCDR 2019, Abstract JSCDH-D-19-00049.

FORT LAUDERDALE, FLA. — A dedicated, 24-hour, 7-day-a-week sickle cell inpatient observation unit staffed by a multidisciplinary care team significantly reduced inpatient admissions and emergency department visits per patient, according to an analysis of a Philadelphia program.

Dr. Sanaa Rizk

“These findings confirm the need for an individualized approach to treatment,” Sanaa Rizk, MD, director of the hereditary anemia program at Thomas Jefferson University Hospital, Philadelphia, said at the annual meeting of the Foundation for Sickle Cell Disease Research. “The potential strength of a multidisciplinary approach and personalized interventions toward high-utilizing subpopulations may offer the greatest impact.”

The study evaluated what Dr. Rizk called “the second clinical transformation” in care of sickle cell disease patients, which Thomas Jefferson University implemented in 2015. The comprehensive sickle cell center first opened in 2003, and the first transformation in November 2013 consisted of opening a four-bed sickle cell day unit to treat uncomplicated sickle cell vaso-occlusive crises with personalized pain treatment protocols (including IV fluids and opioids). It was staffed by a nurse practitioner, medical assistant, and two registered nurses from 8 a.m. to 5 p.m.

The second transformation transferred care to the inpatient observation unit on the hospital floor with access to 12 patient beds. A sickle cell nurse practitioner sees patients for same-day appointments, conducts sick visits, performs outreach, and handles follow-up with patients. The rest of the multidisciplinary team includes hospitalists, hematologists, internists, and a social worker who performs weekly inpatient rounds and meets monthly with ED leaders and pharmacists.

With the first transformation, ED visits per patient fell from 3.67 to 2.14 a year (P less than .001), and inpatient admissions per patient fell from 1.33 to 0.63 (P less than .0001), Dr. Rizk reported.

The second transformation reduced those per-patient rates even further, to 0.47 ED visits (P less than .01) and 0.29 inpatient admissions (P less than .001), she said.

“The expansion of the service reduced admissions and ED use significantly,” Dr. Rizk said.

She added that a subanalysis of the high-utilizer subgroup showed a decrease in average total medical charges by approximately $100,000/patient per year.

Dr. Rizk reported having no relevant financial disclosures.

SOURCE: Rizk S et al. FSCDR 2019, Abstract JSCDH-D-19-00049.

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REPORTING FROM FSCDR 2019

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DECLARE-TIMI58 shows improved kidney function with dapagliflozin

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Tue, 05/03/2022 - 15:13

The sodium-glucose transporter 2 inhibitor (SGLT2) dapagliflozin (Farxiga) was better than placebo at slowing down kidney disease in patients with type 2 diabetes, and it showed reductions in the relative risk of renal-specific and cardiorenal outcomes of 47% and 24%, respectively, over 4 years, according to an analysis of the DECLARE-TIMI58 trial presented at the annual scientific sessions of the American Diabetes Association.

M. Alexander Otto
Dr. Itamar Raz

The findings add to a message physicians are hearing more and more frequently – that SGLT2 inhibitors, which also include empagliflozin (Jardiance) and canagliflozin (Invokana), could be useful for the early prevention of chronic kidney disease in patients who have type 2 diabetes. The main difference between the DECLARE-TIMI58 and previous study data was that most of its population did not have chronic kidney disease.

The drug should be given “at a very early stage of disease – it can reverse the disease and its complications [and] change the outcomes of patients,” said investigator Itamar Raz, MD, of Hebrew University, Jerusalem, in presenting the findings, which were published simultaneously in the Lancet Diabetes & Endocrinology (2019 Jun 10. doi: 10.1016/S2213-8587[19]30180-9).

What’s new in this renal analysis of DECLARE-TIMI58 is that patients were relatively healthy – 60% of them were without established cardiovascular disease and had much better renal function at baseline, compared with patients in other studies. About half of the patients started out with an estimated glomerular filtration rate (eGFR) more than 90 mL/min per 1.73 m2, which means that they had normal kidney function, and most of the rest of the patients had normal to near-normal renal function or mild renal failure. Findings from previous trials with SGLT2 inhibitors that showed renal protection generally included patients with established cardiovascular disease who started out with greater kidney impairment.

Previous findings have also demonstrated cardioprotective effects with SGLT2 inhibitors in patients with type 2 diabetes. For instance, in earlier results from the DECLARE-TIMI58 trial, dapagliflozin reduced the frequency of cardiovascular death or hospitalization for heart failure, compared with placebo (4.9% vs. 5.8%, respectively; New Engl J Med. 2019;380:347-57), although it did not significantly reduce the frequency of stroke, heart attack, or all-cause death, unlike the results from glucagonlike peptide–1 receptor agonists in much sicker patients (Circulation. 2019;139[17]:2022-31).

Taken as a whole, Dr. Raz said that findings for SGLT2 inhibitors, which, like the glucagonlike peptide–1 receptor agonists, are indicated as second-line therapy in type 2 diabetes after metformin, suggest that they should be used sooner in type 2 disease, perhaps in patients with a hemoglobin A1c level as low at 6.5%.

The absolute benefits of dapagliflozin, compared with placebo, notwithstanding, there are safety concerns with SGLT2s, including genitourinary infections, acute kidney injury, Fournier gangrene, diabetic ketoacidosis, bone fractures, and leg amputations (the latter two only with canagliflozin), many of which have been subject to warnings from the Food and Drug Administration.

Safety outcomes for dapagliflozin, compared with placebo, were not tabulated in the new renal report, but the authors noted a previously reported decrease of 30% in risk for acute kidney injury and major hypoglycemia with dapagliflozin over placebo. There was 1 case of Fournier gangrene with the drug versus 5 with placebo; 27 cases of diabetic ketoacidosis versus 12, respectively; 123 amputations versus 113; and 76 genital infections versus 9.

M. Alexander Otto
Dr. Matthew Riddle

Matthew Riddle, MD, of Oregon Health and Science University, Portland, said SGLT2 studies “have shown important short-term benefit, but we have no information on long-term safety. These drugs are not physiologic; they do something powerful, but it’s nothing you see in nature. We don’t really know what they do yet; the physiology is still being worked out.”

DECLARE-TIMI58 randomized 8,582 patients with type 2 diabetes to receive dapagliflozin 10 mg orally daily and 8,578 patients to receive placebo. The patients remained on routine diabetes and cardiovascular care. Inclusion criteria included either established atherosclerotic cardiovascular disease (41% of patients) or cardiovascular risk factors (almost 60%), and creatinine clearance of at least 60 mL/min. Median follow-up was 4.2 years.

Overall, 4.2% of patients receiving dapagliflozin and 5.3% of those receiving placebo, met a prespecified secondary cardiorenal composite outcome of end-stage renal disease; death from renal or cardiovascular causes; or a decline of at least 40% in eGFR to less than 60 mL/min per 1.73 m2 according to two tests at least 4 weeks apart (hazard ratio, 0.76; P less than .0001).

Similarly, 1.5% of dapagliflozin patients and 2.6% of those on placebo met a prespecified renal-specific composite of those factors minus death from cardiovascular causes (HR, 0.53; P less than .0001).

Among placebo-treated patients, 2.5% had a sustained decline in eGFR of at least 40% to less than 60 mL/min per 1.73 m2, compared with 1.4% in the dapagliflozin group (HR, 0.54; P less than .0001). There were 11 cases of end-stage renal disease or renal death with dapagliflozin (0.1%), compared with 27 (0.3%) with placebo (HR, 0.41; P = .012).

Among patients who entered the trial with significant renal impairment – an eGFR of less than 60 mL/min per 1.73 m2 – the difference in further renal decline with dapagliflozin was not statistically significant against placebo because of the small number of patients, but Dr. Raz said the drug should still be used earlier in type 2 disease.

Dapagliflozin patients fared worse on renal measurements at 6 months, but caught up by year 2, and surpassed placebo at years 3 and 4, the authors wrote in the latest report.

Just more than 60% of participants were men; patients were in their 60s, on average, and overweight. About 80% of the patients were white.

AstraZeneca, which makes dapagliflozin, was involved with study design, data collection, data analysis, interpretation, and writing of the report. Four authors were employees of the company, and all but two of the 17 others, including Dr. Raz, disclosed personal payments from the company and/or research funding. Dr. Riddle disclosed receiving research funding from AstraZeneca.
 

 

 

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The sodium-glucose transporter 2 inhibitor (SGLT2) dapagliflozin (Farxiga) was better than placebo at slowing down kidney disease in patients with type 2 diabetes, and it showed reductions in the relative risk of renal-specific and cardiorenal outcomes of 47% and 24%, respectively, over 4 years, according to an analysis of the DECLARE-TIMI58 trial presented at the annual scientific sessions of the American Diabetes Association.

M. Alexander Otto
Dr. Itamar Raz

The findings add to a message physicians are hearing more and more frequently – that SGLT2 inhibitors, which also include empagliflozin (Jardiance) and canagliflozin (Invokana), could be useful for the early prevention of chronic kidney disease in patients who have type 2 diabetes. The main difference between the DECLARE-TIMI58 and previous study data was that most of its population did not have chronic kidney disease.

The drug should be given “at a very early stage of disease – it can reverse the disease and its complications [and] change the outcomes of patients,” said investigator Itamar Raz, MD, of Hebrew University, Jerusalem, in presenting the findings, which were published simultaneously in the Lancet Diabetes & Endocrinology (2019 Jun 10. doi: 10.1016/S2213-8587[19]30180-9).

What’s new in this renal analysis of DECLARE-TIMI58 is that patients were relatively healthy – 60% of them were without established cardiovascular disease and had much better renal function at baseline, compared with patients in other studies. About half of the patients started out with an estimated glomerular filtration rate (eGFR) more than 90 mL/min per 1.73 m2, which means that they had normal kidney function, and most of the rest of the patients had normal to near-normal renal function or mild renal failure. Findings from previous trials with SGLT2 inhibitors that showed renal protection generally included patients with established cardiovascular disease who started out with greater kidney impairment.

Previous findings have also demonstrated cardioprotective effects with SGLT2 inhibitors in patients with type 2 diabetes. For instance, in earlier results from the DECLARE-TIMI58 trial, dapagliflozin reduced the frequency of cardiovascular death or hospitalization for heart failure, compared with placebo (4.9% vs. 5.8%, respectively; New Engl J Med. 2019;380:347-57), although it did not significantly reduce the frequency of stroke, heart attack, or all-cause death, unlike the results from glucagonlike peptide–1 receptor agonists in much sicker patients (Circulation. 2019;139[17]:2022-31).

Taken as a whole, Dr. Raz said that findings for SGLT2 inhibitors, which, like the glucagonlike peptide–1 receptor agonists, are indicated as second-line therapy in type 2 diabetes after metformin, suggest that they should be used sooner in type 2 disease, perhaps in patients with a hemoglobin A1c level as low at 6.5%.

The absolute benefits of dapagliflozin, compared with placebo, notwithstanding, there are safety concerns with SGLT2s, including genitourinary infections, acute kidney injury, Fournier gangrene, diabetic ketoacidosis, bone fractures, and leg amputations (the latter two only with canagliflozin), many of which have been subject to warnings from the Food and Drug Administration.

Safety outcomes for dapagliflozin, compared with placebo, were not tabulated in the new renal report, but the authors noted a previously reported decrease of 30% in risk for acute kidney injury and major hypoglycemia with dapagliflozin over placebo. There was 1 case of Fournier gangrene with the drug versus 5 with placebo; 27 cases of diabetic ketoacidosis versus 12, respectively; 123 amputations versus 113; and 76 genital infections versus 9.

M. Alexander Otto
Dr. Matthew Riddle

Matthew Riddle, MD, of Oregon Health and Science University, Portland, said SGLT2 studies “have shown important short-term benefit, but we have no information on long-term safety. These drugs are not physiologic; they do something powerful, but it’s nothing you see in nature. We don’t really know what they do yet; the physiology is still being worked out.”

DECLARE-TIMI58 randomized 8,582 patients with type 2 diabetes to receive dapagliflozin 10 mg orally daily and 8,578 patients to receive placebo. The patients remained on routine diabetes and cardiovascular care. Inclusion criteria included either established atherosclerotic cardiovascular disease (41% of patients) or cardiovascular risk factors (almost 60%), and creatinine clearance of at least 60 mL/min. Median follow-up was 4.2 years.

Overall, 4.2% of patients receiving dapagliflozin and 5.3% of those receiving placebo, met a prespecified secondary cardiorenal composite outcome of end-stage renal disease; death from renal or cardiovascular causes; or a decline of at least 40% in eGFR to less than 60 mL/min per 1.73 m2 according to two tests at least 4 weeks apart (hazard ratio, 0.76; P less than .0001).

Similarly, 1.5% of dapagliflozin patients and 2.6% of those on placebo met a prespecified renal-specific composite of those factors minus death from cardiovascular causes (HR, 0.53; P less than .0001).

Among placebo-treated patients, 2.5% had a sustained decline in eGFR of at least 40% to less than 60 mL/min per 1.73 m2, compared with 1.4% in the dapagliflozin group (HR, 0.54; P less than .0001). There were 11 cases of end-stage renal disease or renal death with dapagliflozin (0.1%), compared with 27 (0.3%) with placebo (HR, 0.41; P = .012).

Among patients who entered the trial with significant renal impairment – an eGFR of less than 60 mL/min per 1.73 m2 – the difference in further renal decline with dapagliflozin was not statistically significant against placebo because of the small number of patients, but Dr. Raz said the drug should still be used earlier in type 2 disease.

Dapagliflozin patients fared worse on renal measurements at 6 months, but caught up by year 2, and surpassed placebo at years 3 and 4, the authors wrote in the latest report.

Just more than 60% of participants were men; patients were in their 60s, on average, and overweight. About 80% of the patients were white.

AstraZeneca, which makes dapagliflozin, was involved with study design, data collection, data analysis, interpretation, and writing of the report. Four authors were employees of the company, and all but two of the 17 others, including Dr. Raz, disclosed personal payments from the company and/or research funding. Dr. Riddle disclosed receiving research funding from AstraZeneca.
 

 

 

The sodium-glucose transporter 2 inhibitor (SGLT2) dapagliflozin (Farxiga) was better than placebo at slowing down kidney disease in patients with type 2 diabetes, and it showed reductions in the relative risk of renal-specific and cardiorenal outcomes of 47% and 24%, respectively, over 4 years, according to an analysis of the DECLARE-TIMI58 trial presented at the annual scientific sessions of the American Diabetes Association.

M. Alexander Otto
Dr. Itamar Raz

The findings add to a message physicians are hearing more and more frequently – that SGLT2 inhibitors, which also include empagliflozin (Jardiance) and canagliflozin (Invokana), could be useful for the early prevention of chronic kidney disease in patients who have type 2 diabetes. The main difference between the DECLARE-TIMI58 and previous study data was that most of its population did not have chronic kidney disease.

The drug should be given “at a very early stage of disease – it can reverse the disease and its complications [and] change the outcomes of patients,” said investigator Itamar Raz, MD, of Hebrew University, Jerusalem, in presenting the findings, which were published simultaneously in the Lancet Diabetes & Endocrinology (2019 Jun 10. doi: 10.1016/S2213-8587[19]30180-9).

What’s new in this renal analysis of DECLARE-TIMI58 is that patients were relatively healthy – 60% of them were without established cardiovascular disease and had much better renal function at baseline, compared with patients in other studies. About half of the patients started out with an estimated glomerular filtration rate (eGFR) more than 90 mL/min per 1.73 m2, which means that they had normal kidney function, and most of the rest of the patients had normal to near-normal renal function or mild renal failure. Findings from previous trials with SGLT2 inhibitors that showed renal protection generally included patients with established cardiovascular disease who started out with greater kidney impairment.

Previous findings have also demonstrated cardioprotective effects with SGLT2 inhibitors in patients with type 2 diabetes. For instance, in earlier results from the DECLARE-TIMI58 trial, dapagliflozin reduced the frequency of cardiovascular death or hospitalization for heart failure, compared with placebo (4.9% vs. 5.8%, respectively; New Engl J Med. 2019;380:347-57), although it did not significantly reduce the frequency of stroke, heart attack, or all-cause death, unlike the results from glucagonlike peptide–1 receptor agonists in much sicker patients (Circulation. 2019;139[17]:2022-31).

Taken as a whole, Dr. Raz said that findings for SGLT2 inhibitors, which, like the glucagonlike peptide–1 receptor agonists, are indicated as second-line therapy in type 2 diabetes after metformin, suggest that they should be used sooner in type 2 disease, perhaps in patients with a hemoglobin A1c level as low at 6.5%.

The absolute benefits of dapagliflozin, compared with placebo, notwithstanding, there are safety concerns with SGLT2s, including genitourinary infections, acute kidney injury, Fournier gangrene, diabetic ketoacidosis, bone fractures, and leg amputations (the latter two only with canagliflozin), many of which have been subject to warnings from the Food and Drug Administration.

Safety outcomes for dapagliflozin, compared with placebo, were not tabulated in the new renal report, but the authors noted a previously reported decrease of 30% in risk for acute kidney injury and major hypoglycemia with dapagliflozin over placebo. There was 1 case of Fournier gangrene with the drug versus 5 with placebo; 27 cases of diabetic ketoacidosis versus 12, respectively; 123 amputations versus 113; and 76 genital infections versus 9.

M. Alexander Otto
Dr. Matthew Riddle

Matthew Riddle, MD, of Oregon Health and Science University, Portland, said SGLT2 studies “have shown important short-term benefit, but we have no information on long-term safety. These drugs are not physiologic; they do something powerful, but it’s nothing you see in nature. We don’t really know what they do yet; the physiology is still being worked out.”

DECLARE-TIMI58 randomized 8,582 patients with type 2 diabetes to receive dapagliflozin 10 mg orally daily and 8,578 patients to receive placebo. The patients remained on routine diabetes and cardiovascular care. Inclusion criteria included either established atherosclerotic cardiovascular disease (41% of patients) or cardiovascular risk factors (almost 60%), and creatinine clearance of at least 60 mL/min. Median follow-up was 4.2 years.

Overall, 4.2% of patients receiving dapagliflozin and 5.3% of those receiving placebo, met a prespecified secondary cardiorenal composite outcome of end-stage renal disease; death from renal or cardiovascular causes; or a decline of at least 40% in eGFR to less than 60 mL/min per 1.73 m2 according to two tests at least 4 weeks apart (hazard ratio, 0.76; P less than .0001).

Similarly, 1.5% of dapagliflozin patients and 2.6% of those on placebo met a prespecified renal-specific composite of those factors minus death from cardiovascular causes (HR, 0.53; P less than .0001).

Among placebo-treated patients, 2.5% had a sustained decline in eGFR of at least 40% to less than 60 mL/min per 1.73 m2, compared with 1.4% in the dapagliflozin group (HR, 0.54; P less than .0001). There were 11 cases of end-stage renal disease or renal death with dapagliflozin (0.1%), compared with 27 (0.3%) with placebo (HR, 0.41; P = .012).

Among patients who entered the trial with significant renal impairment – an eGFR of less than 60 mL/min per 1.73 m2 – the difference in further renal decline with dapagliflozin was not statistically significant against placebo because of the small number of patients, but Dr. Raz said the drug should still be used earlier in type 2 disease.

Dapagliflozin patients fared worse on renal measurements at 6 months, but caught up by year 2, and surpassed placebo at years 3 and 4, the authors wrote in the latest report.

Just more than 60% of participants were men; patients were in their 60s, on average, and overweight. About 80% of the patients were white.

AstraZeneca, which makes dapagliflozin, was involved with study design, data collection, data analysis, interpretation, and writing of the report. Four authors were employees of the company, and all but two of the 17 others, including Dr. Raz, disclosed personal payments from the company and/or research funding. Dr. Riddle disclosed receiving research funding from AstraZeneca.
 

 

 

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Key clinical point: The sodium-glucose transporter 2 inhibitor dapagliflozin slowed progression of kidney disease in patients with type 2 diabetes.

Major finding: Overall, 4.2% of dapagliflozin and 5.3% of placebo patients met a prespecified secondary cardiorenal composite outcome of end-stage renal disease, death from renal or cardiovascular causes, or a decline of at least 40% in estimated glomerular filtration rate to less than 60 mL/min per 1.73m2 (HR, 0.76; P less than .0001).

Study details: Placebo-controlled trial in more than 17,000 patients with type 2 diabetes

Disclosures: AstraZeneca, the maker of dapagliflozin, funded and conducted the study. Four authors were employees of the company, and all but two of the remaining 17, including Dr. Raz, disclosed personal payments from the company and/or research funding. Dr. Riddle reported receiving research funding from AstraZeneca.

Source: Mosenzon O et al. Lancet Diabetes Endocrinol. 2019 Jun 10. doi: 10.1016/S2213-8587(19)30180-9.

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