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Drug decreases need for blood transfusions
Credit: UAB Hospital
Results of a retrospective study suggest an antifibrinolytic agent can significantly reduce the need for blood transfusions after surgery, without increasing the risk of complications.
The agent, tranexamic acid, has been shown to reduce blood loss during or shortly after major joint surgery, but safety concerns remain because large-scale effectiveness studies are lacking.
So researchers set out to evaluate tranexamic acid in a large sample of surgical patients.
The team recounted their efforts in BMJ.
Stavros Memtsoudis, MD, PhD, of the Hospital for Special Surgery in New York, New York, and his colleagues analyzed data from 872,416 patients who underwent total hip or knee replacement procedures at 510 US hospitals between 2006 and 2012.
The researchers compared patients who received tranexamic acid (at 1000 mg,
2000 mg, or 3000 mg) on the day of surgery to patients who did not. The team adjusted their analysis for factors such as patient age and sex, hospital size and location, the type of procedure, and the anesthesia used.
Results showed that use of tranexamic acid was associated with an up to 69% reduction in the need for blood transfusions. Overall, the rate of allogeneic or autologous transfusion was 7.7% among patients who received tranexamic acid and 20.1% among those who did not (P<0.01).
Tranexamic acid use was also linked to a decreased risk of all complications (1.9% vs 2.6%, P<0.001), thromboembolic events (0.6% vs 0.8%, P=0.0057), the need for mechanical ventilation (0.1% vs 0.2%, P=0.0003), and admission to an intensive care unit (3.1% vs 7.5%, P<0.001).
The median length of hospital stay was the same for treated and untreated patients—3 days. But the median cost of hospital stay was lower among tranexamic acid-treated patients—$14,890 vs $15,110 (P<0.001).
A tranexamic acid dose of 2000 mg appeared to have the best effectiveness and safety profile. But the researchers said additional studies are needed to establish optimal dosing schemes and assess subgroup-specific effectiveness and safety.
Credit: UAB Hospital
Results of a retrospective study suggest an antifibrinolytic agent can significantly reduce the need for blood transfusions after surgery, without increasing the risk of complications.
The agent, tranexamic acid, has been shown to reduce blood loss during or shortly after major joint surgery, but safety concerns remain because large-scale effectiveness studies are lacking.
So researchers set out to evaluate tranexamic acid in a large sample of surgical patients.
The team recounted their efforts in BMJ.
Stavros Memtsoudis, MD, PhD, of the Hospital for Special Surgery in New York, New York, and his colleagues analyzed data from 872,416 patients who underwent total hip or knee replacement procedures at 510 US hospitals between 2006 and 2012.
The researchers compared patients who received tranexamic acid (at 1000 mg,
2000 mg, or 3000 mg) on the day of surgery to patients who did not. The team adjusted their analysis for factors such as patient age and sex, hospital size and location, the type of procedure, and the anesthesia used.
Results showed that use of tranexamic acid was associated with an up to 69% reduction in the need for blood transfusions. Overall, the rate of allogeneic or autologous transfusion was 7.7% among patients who received tranexamic acid and 20.1% among those who did not (P<0.01).
Tranexamic acid use was also linked to a decreased risk of all complications (1.9% vs 2.6%, P<0.001), thromboembolic events (0.6% vs 0.8%, P=0.0057), the need for mechanical ventilation (0.1% vs 0.2%, P=0.0003), and admission to an intensive care unit (3.1% vs 7.5%, P<0.001).
The median length of hospital stay was the same for treated and untreated patients—3 days. But the median cost of hospital stay was lower among tranexamic acid-treated patients—$14,890 vs $15,110 (P<0.001).
A tranexamic acid dose of 2000 mg appeared to have the best effectiveness and safety profile. But the researchers said additional studies are needed to establish optimal dosing schemes and assess subgroup-specific effectiveness and safety.
Credit: UAB Hospital
Results of a retrospective study suggest an antifibrinolytic agent can significantly reduce the need for blood transfusions after surgery, without increasing the risk of complications.
The agent, tranexamic acid, has been shown to reduce blood loss during or shortly after major joint surgery, but safety concerns remain because large-scale effectiveness studies are lacking.
So researchers set out to evaluate tranexamic acid in a large sample of surgical patients.
The team recounted their efforts in BMJ.
Stavros Memtsoudis, MD, PhD, of the Hospital for Special Surgery in New York, New York, and his colleagues analyzed data from 872,416 patients who underwent total hip or knee replacement procedures at 510 US hospitals between 2006 and 2012.
The researchers compared patients who received tranexamic acid (at 1000 mg,
2000 mg, or 3000 mg) on the day of surgery to patients who did not. The team adjusted their analysis for factors such as patient age and sex, hospital size and location, the type of procedure, and the anesthesia used.
Results showed that use of tranexamic acid was associated with an up to 69% reduction in the need for blood transfusions. Overall, the rate of allogeneic or autologous transfusion was 7.7% among patients who received tranexamic acid and 20.1% among those who did not (P<0.01).
Tranexamic acid use was also linked to a decreased risk of all complications (1.9% vs 2.6%, P<0.001), thromboembolic events (0.6% vs 0.8%, P=0.0057), the need for mechanical ventilation (0.1% vs 0.2%, P=0.0003), and admission to an intensive care unit (3.1% vs 7.5%, P<0.001).
The median length of hospital stay was the same for treated and untreated patients—3 days. But the median cost of hospital stay was lower among tranexamic acid-treated patients—$14,890 vs $15,110 (P<0.001).
A tranexamic acid dose of 2000 mg appeared to have the best effectiveness and safety profile. But the researchers said additional studies are needed to establish optimal dosing schemes and assess subgroup-specific effectiveness and safety.
Molecule is active against MYC-driven malignancies
Credit: Ed Uthman
A small molecule can disrupt the interactions between MYC and its binding partner MAX in MYC-driven cancers, according to research published in PNAS.
The molecule, KJ-Pyr-9, inhibited MYC-induced oncogenic transformation in cell culture but had little to no effect on the oncogenic activity of several unrelated oncoproteins.
KJ-Pyr-9 preferentially interfered with proliferation in a range of cells that overexpressed MYC, including leukemia and lymphoma cells.
In vivo, the molecule inhibited the growth of MYC-amplified human cancer cells.
“We finally hit a home run with this—maybe a grand slam,” said study author Kim Janda, PhD, of The Scripps Research Institute in La Jolla, California.
For years, MYC has challenged researchers seeking to disrupt its activity in cancer cells.
“At room temperature or body temperature, MYC without any binding partners is random and constantly shifting,” said study author Jonathan Ross Hart, PhD, also of The Scripps Research Institute. “It’s like a piece of spaghetti.”
So instead of designing a compound to target the structure of MYC, the researchers tested a range of compounds from a library to see if any could disrupt the interactions between MYC and other proteins important in cell proliferation. One did—the small molecule KJ-Pyr-9.
To further investigate, the researchers ran tests in a variety of cell lines, including chronic myeloid leukemia, acute lymphoblastic leukemia, acute myeloid leukemia, Burkitt lymphoma, and solid tumors. And they tested KJ-Pyr-9 in mouse models of breast cancer.
The experiments showed that MYC-dependent cells die if treated with KJ-Pyr-9. In fact, a dose of KJ-Pyr-9 made it seem as if MYC was not present at all.
When mice with MYC-dependent tumors received KJ-Pyr-9, the tumors showed no growth after 31 days, compared with significant tumor growth in untreated mice.
Dr Janda said he hopes further research will reveal exactly how KJ-Pyr-9 interacts with MYC and how the compound can more effectively reach tumor cells.
Credit: Ed Uthman
A small molecule can disrupt the interactions between MYC and its binding partner MAX in MYC-driven cancers, according to research published in PNAS.
The molecule, KJ-Pyr-9, inhibited MYC-induced oncogenic transformation in cell culture but had little to no effect on the oncogenic activity of several unrelated oncoproteins.
KJ-Pyr-9 preferentially interfered with proliferation in a range of cells that overexpressed MYC, including leukemia and lymphoma cells.
In vivo, the molecule inhibited the growth of MYC-amplified human cancer cells.
“We finally hit a home run with this—maybe a grand slam,” said study author Kim Janda, PhD, of The Scripps Research Institute in La Jolla, California.
For years, MYC has challenged researchers seeking to disrupt its activity in cancer cells.
“At room temperature or body temperature, MYC without any binding partners is random and constantly shifting,” said study author Jonathan Ross Hart, PhD, also of The Scripps Research Institute. “It’s like a piece of spaghetti.”
So instead of designing a compound to target the structure of MYC, the researchers tested a range of compounds from a library to see if any could disrupt the interactions between MYC and other proteins important in cell proliferation. One did—the small molecule KJ-Pyr-9.
To further investigate, the researchers ran tests in a variety of cell lines, including chronic myeloid leukemia, acute lymphoblastic leukemia, acute myeloid leukemia, Burkitt lymphoma, and solid tumors. And they tested KJ-Pyr-9 in mouse models of breast cancer.
The experiments showed that MYC-dependent cells die if treated with KJ-Pyr-9. In fact, a dose of KJ-Pyr-9 made it seem as if MYC was not present at all.
When mice with MYC-dependent tumors received KJ-Pyr-9, the tumors showed no growth after 31 days, compared with significant tumor growth in untreated mice.
Dr Janda said he hopes further research will reveal exactly how KJ-Pyr-9 interacts with MYC and how the compound can more effectively reach tumor cells.
Credit: Ed Uthman
A small molecule can disrupt the interactions between MYC and its binding partner MAX in MYC-driven cancers, according to research published in PNAS.
The molecule, KJ-Pyr-9, inhibited MYC-induced oncogenic transformation in cell culture but had little to no effect on the oncogenic activity of several unrelated oncoproteins.
KJ-Pyr-9 preferentially interfered with proliferation in a range of cells that overexpressed MYC, including leukemia and lymphoma cells.
In vivo, the molecule inhibited the growth of MYC-amplified human cancer cells.
“We finally hit a home run with this—maybe a grand slam,” said study author Kim Janda, PhD, of The Scripps Research Institute in La Jolla, California.
For years, MYC has challenged researchers seeking to disrupt its activity in cancer cells.
“At room temperature or body temperature, MYC without any binding partners is random and constantly shifting,” said study author Jonathan Ross Hart, PhD, also of The Scripps Research Institute. “It’s like a piece of spaghetti.”
So instead of designing a compound to target the structure of MYC, the researchers tested a range of compounds from a library to see if any could disrupt the interactions between MYC and other proteins important in cell proliferation. One did—the small molecule KJ-Pyr-9.
To further investigate, the researchers ran tests in a variety of cell lines, including chronic myeloid leukemia, acute lymphoblastic leukemia, acute myeloid leukemia, Burkitt lymphoma, and solid tumors. And they tested KJ-Pyr-9 in mouse models of breast cancer.
The experiments showed that MYC-dependent cells die if treated with KJ-Pyr-9. In fact, a dose of KJ-Pyr-9 made it seem as if MYC was not present at all.
When mice with MYC-dependent tumors received KJ-Pyr-9, the tumors showed no growth after 31 days, compared with significant tumor growth in untreated mice.
Dr Janda said he hopes further research will reveal exactly how KJ-Pyr-9 interacts with MYC and how the compound can more effectively reach tumor cells.
Viruses can protect mice from malaria
Credit: Ute Frevert
and Margaret Shear
In a new study, genetically altered viruses produced long-lasting antimalaria antibodies in mice and protected many of them from the disease.
The approach, known as vector immunoprophylaxis (VIP), produced antibodies against the Plasmodium falciparum circumsporozoite protein (CSP) and prevented malaria infection in 10% to 100% of mice, depending on the dose and type of viral vector used.
Researchers recounted these results in PNAS.
“We need better ways to fight malaria,” said study author Gary Ketner, PhD, of the Johns Hopkins Bloomberg School of Public Health in Baltimore, Maryland. “And our research suggests [VIP] could be a promising approach.”
To test the approach, Dr Ketner and his colleagues constructed adeno-associated virus (AAV) vectors encoding human immunoglobulin G (hIgG) specific for the P falciparum CSP central repeat by inserting the variable regions of mouse monoclonal antibodies (mAbs) 2A10 and 2C11 into the hIgG framework of the VIP expression plasmid.
The team then injected mice with 1 x 1011 genome copies (GC) of 2A10-AAV, 2C11-AAV, b12-AAV (which protects against HIV), or with buffer.
Within a week, the AAV-transduced mice expressed hIgG at 50 μg/mL to 500 μg/mL in serum. The expression increased until about the 4-week mark, when it reached 1000 μg/mL in some mice.
The mice that received 2A10-AAV or 2C11-AAV expressed antibodies that bound recombinant CSP and recognized whole P falciparum sporozoites. The b12-AAV-transduced mice and buffer-transduced mice did not.
In all AAV-transduced mice, serum antibody concentrations plateaued at 4 to 8 weeks and remained at that level through the end of the study, which was 52 weeks after transduction.
At the 8-week mark, the researchers tested the efficacy of VIP. They introduced—either intravenously or through a mosquito-bite challenge—transgenic Plasmodium berghei rodent sporozoites that incorporate the P falciparum target of the antibody in their CSP.
In the intravenously challenged group, 70% of 2A10-AAV-transduced mice were protected from malaria. In the mosquito-bite-challenged group, 60% of 2A10-AAV-transduced mice and 30% of 2C11-AAV-transduced mice were protected from malaria.
Role of dose and antibody level
To examine the effects of vector dose on mAb production and malaria protection, the researchers compared varying doses of 2A10-AAV to b12-AAV. They tested mice transduced with 3 x 1011 GC of b12-AAV or doses of 2A10-AAV ranging from 3 x 109 GC to 3 x 1011 GC.
The team conducted a mosquito-bite challenge at 11 weeks after transduction. And they found that 70% of the mice that received the highest AAV dose (1 x 1011 GC) were protected, as were 40% of mice that received 3 x 1010 GC and 10% of mice that received 1 x 1010 GC.
All mice transduced with 3 x 109 GC were parasitemic by day 7, and all b12-AAV mice were parasitemic by day 6. There was a signficant correlation between 2A10 antibody concentration and day to parasitemia.
In a subset of mice that produced higher levels of antibodies, the antimalaria protection was 100%. These mice expressed CSP-specific mAb 2A10 at 1 mg/mL or more.
So it seems the protection from malaria is dose-dependent, said study author Cailin Deal, PhD, of the Ragon Institute of MGH, MIT and Harvard in Cambridge, Massachusetts.
“Of course, we don’t know what the human dosage would be,” she added, “but it’s conceivable that the right dosage could completely protect against malaria.”
Credit: Ute Frevert
and Margaret Shear
In a new study, genetically altered viruses produced long-lasting antimalaria antibodies in mice and protected many of them from the disease.
The approach, known as vector immunoprophylaxis (VIP), produced antibodies against the Plasmodium falciparum circumsporozoite protein (CSP) and prevented malaria infection in 10% to 100% of mice, depending on the dose and type of viral vector used.
Researchers recounted these results in PNAS.
“We need better ways to fight malaria,” said study author Gary Ketner, PhD, of the Johns Hopkins Bloomberg School of Public Health in Baltimore, Maryland. “And our research suggests [VIP] could be a promising approach.”
To test the approach, Dr Ketner and his colleagues constructed adeno-associated virus (AAV) vectors encoding human immunoglobulin G (hIgG) specific for the P falciparum CSP central repeat by inserting the variable regions of mouse monoclonal antibodies (mAbs) 2A10 and 2C11 into the hIgG framework of the VIP expression plasmid.
The team then injected mice with 1 x 1011 genome copies (GC) of 2A10-AAV, 2C11-AAV, b12-AAV (which protects against HIV), or with buffer.
Within a week, the AAV-transduced mice expressed hIgG at 50 μg/mL to 500 μg/mL in serum. The expression increased until about the 4-week mark, when it reached 1000 μg/mL in some mice.
The mice that received 2A10-AAV or 2C11-AAV expressed antibodies that bound recombinant CSP and recognized whole P falciparum sporozoites. The b12-AAV-transduced mice and buffer-transduced mice did not.
In all AAV-transduced mice, serum antibody concentrations plateaued at 4 to 8 weeks and remained at that level through the end of the study, which was 52 weeks after transduction.
At the 8-week mark, the researchers tested the efficacy of VIP. They introduced—either intravenously or through a mosquito-bite challenge—transgenic Plasmodium berghei rodent sporozoites that incorporate the P falciparum target of the antibody in their CSP.
In the intravenously challenged group, 70% of 2A10-AAV-transduced mice were protected from malaria. In the mosquito-bite-challenged group, 60% of 2A10-AAV-transduced mice and 30% of 2C11-AAV-transduced mice were protected from malaria.
Role of dose and antibody level
To examine the effects of vector dose on mAb production and malaria protection, the researchers compared varying doses of 2A10-AAV to b12-AAV. They tested mice transduced with 3 x 1011 GC of b12-AAV or doses of 2A10-AAV ranging from 3 x 109 GC to 3 x 1011 GC.
The team conducted a mosquito-bite challenge at 11 weeks after transduction. And they found that 70% of the mice that received the highest AAV dose (1 x 1011 GC) were protected, as were 40% of mice that received 3 x 1010 GC and 10% of mice that received 1 x 1010 GC.
All mice transduced with 3 x 109 GC were parasitemic by day 7, and all b12-AAV mice were parasitemic by day 6. There was a signficant correlation between 2A10 antibody concentration and day to parasitemia.
In a subset of mice that produced higher levels of antibodies, the antimalaria protection was 100%. These mice expressed CSP-specific mAb 2A10 at 1 mg/mL or more.
So it seems the protection from malaria is dose-dependent, said study author Cailin Deal, PhD, of the Ragon Institute of MGH, MIT and Harvard in Cambridge, Massachusetts.
“Of course, we don’t know what the human dosage would be,” she added, “but it’s conceivable that the right dosage could completely protect against malaria.”
Credit: Ute Frevert
and Margaret Shear
In a new study, genetically altered viruses produced long-lasting antimalaria antibodies in mice and protected many of them from the disease.
The approach, known as vector immunoprophylaxis (VIP), produced antibodies against the Plasmodium falciparum circumsporozoite protein (CSP) and prevented malaria infection in 10% to 100% of mice, depending on the dose and type of viral vector used.
Researchers recounted these results in PNAS.
“We need better ways to fight malaria,” said study author Gary Ketner, PhD, of the Johns Hopkins Bloomberg School of Public Health in Baltimore, Maryland. “And our research suggests [VIP] could be a promising approach.”
To test the approach, Dr Ketner and his colleagues constructed adeno-associated virus (AAV) vectors encoding human immunoglobulin G (hIgG) specific for the P falciparum CSP central repeat by inserting the variable regions of mouse monoclonal antibodies (mAbs) 2A10 and 2C11 into the hIgG framework of the VIP expression plasmid.
The team then injected mice with 1 x 1011 genome copies (GC) of 2A10-AAV, 2C11-AAV, b12-AAV (which protects against HIV), or with buffer.
Within a week, the AAV-transduced mice expressed hIgG at 50 μg/mL to 500 μg/mL in serum. The expression increased until about the 4-week mark, when it reached 1000 μg/mL in some mice.
The mice that received 2A10-AAV or 2C11-AAV expressed antibodies that bound recombinant CSP and recognized whole P falciparum sporozoites. The b12-AAV-transduced mice and buffer-transduced mice did not.
In all AAV-transduced mice, serum antibody concentrations plateaued at 4 to 8 weeks and remained at that level through the end of the study, which was 52 weeks after transduction.
At the 8-week mark, the researchers tested the efficacy of VIP. They introduced—either intravenously or through a mosquito-bite challenge—transgenic Plasmodium berghei rodent sporozoites that incorporate the P falciparum target of the antibody in their CSP.
In the intravenously challenged group, 70% of 2A10-AAV-transduced mice were protected from malaria. In the mosquito-bite-challenged group, 60% of 2A10-AAV-transduced mice and 30% of 2C11-AAV-transduced mice were protected from malaria.
Role of dose and antibody level
To examine the effects of vector dose on mAb production and malaria protection, the researchers compared varying doses of 2A10-AAV to b12-AAV. They tested mice transduced with 3 x 1011 GC of b12-AAV or doses of 2A10-AAV ranging from 3 x 109 GC to 3 x 1011 GC.
The team conducted a mosquito-bite challenge at 11 weeks after transduction. And they found that 70% of the mice that received the highest AAV dose (1 x 1011 GC) were protected, as were 40% of mice that received 3 x 1010 GC and 10% of mice that received 1 x 1010 GC.
All mice transduced with 3 x 109 GC were parasitemic by day 7, and all b12-AAV mice were parasitemic by day 6. There was a signficant correlation between 2A10 antibody concentration and day to parasitemia.
In a subset of mice that produced higher levels of antibodies, the antimalaria protection was 100%. These mice expressed CSP-specific mAb 2A10 at 1 mg/mL or more.
So it seems the protection from malaria is dose-dependent, said study author Cailin Deal, PhD, of the Ragon Institute of MGH, MIT and Harvard in Cambridge, Massachusetts.
“Of course, we don’t know what the human dosage would be,” she added, “but it’s conceivable that the right dosage could completely protect against malaria.”
HDAC inhibitor gets orphan status for DLBCL
The US Food and Drug Administration (FDA) has granted orphan designation for the histone deacetylase (HDAC) inhibitor mocetinostat to treat diffuse large B-cell lymphoma (DLBCL). The drug already had orphan designation as a treatment for myelodysplastic syndrome (MDS).
The FDA grants orphan status to support the development of drugs for underserved patient populations or rare disorders affecting fewer than 200,000 people in the US.
Orphan designation provides the drug’s developer, Mirati Therapeutics, Inc., with certain benefits, including market exclusivity upon regulatory approval, exemption of FDA application fees, and tax credits for qualified clinical trials.
Mocetinostat works by reversing aberrant acetylation resulting from mutations in histone acetyltransferases (HATs).
The drug is being developed as a single-agent treatment for patients with DLBCL or bladder cancer characterized by HAT mutations that Mirati believes are critical in the pathogenesis and progression of these cancers.
“We have identified genetic alterations in histone acetylation pathways (CREBBP and EP300) in approximately one-third of DLBCL and bladder tumors,” said Charles Baum, MD, PhD, president and CEO of Mirati.
He added that nonclinical tumor models with these mutations have proven responsive to mocetinostat, so Mirati predicts the HDAC inhibitor will halt tumor progression and reduce tumor burden in patients.
Mocetinostat is also under investigation in phase 2 studies in combination with azacitidine (Vidaza) as a treatment for intermediate- and high-risk MDS.
Mocetinostat previously demonstrated activity, as well as toxicity, in patients with Hodgkin lymphoma.
The US Food and Drug Administration (FDA) has granted orphan designation for the histone deacetylase (HDAC) inhibitor mocetinostat to treat diffuse large B-cell lymphoma (DLBCL). The drug already had orphan designation as a treatment for myelodysplastic syndrome (MDS).
The FDA grants orphan status to support the development of drugs for underserved patient populations or rare disorders affecting fewer than 200,000 people in the US.
Orphan designation provides the drug’s developer, Mirati Therapeutics, Inc., with certain benefits, including market exclusivity upon regulatory approval, exemption of FDA application fees, and tax credits for qualified clinical trials.
Mocetinostat works by reversing aberrant acetylation resulting from mutations in histone acetyltransferases (HATs).
The drug is being developed as a single-agent treatment for patients with DLBCL or bladder cancer characterized by HAT mutations that Mirati believes are critical in the pathogenesis and progression of these cancers.
“We have identified genetic alterations in histone acetylation pathways (CREBBP and EP300) in approximately one-third of DLBCL and bladder tumors,” said Charles Baum, MD, PhD, president and CEO of Mirati.
He added that nonclinical tumor models with these mutations have proven responsive to mocetinostat, so Mirati predicts the HDAC inhibitor will halt tumor progression and reduce tumor burden in patients.
Mocetinostat is also under investigation in phase 2 studies in combination with azacitidine (Vidaza) as a treatment for intermediate- and high-risk MDS.
Mocetinostat previously demonstrated activity, as well as toxicity, in patients with Hodgkin lymphoma.
The US Food and Drug Administration (FDA) has granted orphan designation for the histone deacetylase (HDAC) inhibitor mocetinostat to treat diffuse large B-cell lymphoma (DLBCL). The drug already had orphan designation as a treatment for myelodysplastic syndrome (MDS).
The FDA grants orphan status to support the development of drugs for underserved patient populations or rare disorders affecting fewer than 200,000 people in the US.
Orphan designation provides the drug’s developer, Mirati Therapeutics, Inc., with certain benefits, including market exclusivity upon regulatory approval, exemption of FDA application fees, and tax credits for qualified clinical trials.
Mocetinostat works by reversing aberrant acetylation resulting from mutations in histone acetyltransferases (HATs).
The drug is being developed as a single-agent treatment for patients with DLBCL or bladder cancer characterized by HAT mutations that Mirati believes are critical in the pathogenesis and progression of these cancers.
“We have identified genetic alterations in histone acetylation pathways (CREBBP and EP300) in approximately one-third of DLBCL and bladder tumors,” said Charles Baum, MD, PhD, president and CEO of Mirati.
He added that nonclinical tumor models with these mutations have proven responsive to mocetinostat, so Mirati predicts the HDAC inhibitor will halt tumor progression and reduce tumor burden in patients.
Mocetinostat is also under investigation in phase 2 studies in combination with azacitidine (Vidaza) as a treatment for intermediate- and high-risk MDS.
Mocetinostat previously demonstrated activity, as well as toxicity, in patients with Hodgkin lymphoma.
What do the guidelines say?
Atopic dermatitis remains a challenging condition.
The 2014 guidelines of care for the management of atopic dermatitis (AD) are being published by the American Academy of Dermatology in a series of four parts. Each part begins with a disclaimer stating that, "the ultimate judgment regarding the propriety of any specific therapy must be made by the physician and the patient in light of all the circumstances presented by the individual patient and the known variability and biologic behavior of the disease." The disclaimer continues, "This guideline reflects the best available data at the time the guideline was prepared. The results of future studies may require revisions to the recommendations in this guideline to reflect new data."
• Section 1: Diagnosis and assessment of atopic dermatitis. This section includes risk factors for the development of AD, diagnostic and monitoring techniques, assessment and outcomes, and clinical associations in AD patients (J. Am. Acad. Dermatol. 2014;70:338-51).
• Section 2: Management and treatment of atopic dermatitis with topical therapies. This section focuses on recommendations for the use of nonpharmacologic and topical therapies in the management of AD (J. Am. Acad. Dermatol. 2014;71:116-32).
• Section 3: Management and treatment with phototherapy and systemic agents. This section reviews indications for the use of phototherapy and systemic immunomodulators for treating AD, including side-effect profiles and clinical considerations for treating children (J. Am. Acad. Dermatol. 2014;71:327-49).
• Section 4: The fourth and final section of the guidelines is expected to be published in the September 2014 issue of the Journal of the American Academy of Dermatology.
No outside funding sources were involved in the creation of the guidelines. Disclosures of members of the guidelines committee are available following full text of each guidelines section in print and online.
Atopic dermatitis remains a challenging condition.
The 2014 guidelines of care for the management of atopic dermatitis (AD) are being published by the American Academy of Dermatology in a series of four parts. Each part begins with a disclaimer stating that, "the ultimate judgment regarding the propriety of any specific therapy must be made by the physician and the patient in light of all the circumstances presented by the individual patient and the known variability and biologic behavior of the disease." The disclaimer continues, "This guideline reflects the best available data at the time the guideline was prepared. The results of future studies may require revisions to the recommendations in this guideline to reflect new data."
• Section 1: Diagnosis and assessment of atopic dermatitis. This section includes risk factors for the development of AD, diagnostic and monitoring techniques, assessment and outcomes, and clinical associations in AD patients (J. Am. Acad. Dermatol. 2014;70:338-51).
• Section 2: Management and treatment of atopic dermatitis with topical therapies. This section focuses on recommendations for the use of nonpharmacologic and topical therapies in the management of AD (J. Am. Acad. Dermatol. 2014;71:116-32).
• Section 3: Management and treatment with phototherapy and systemic agents. This section reviews indications for the use of phototherapy and systemic immunomodulators for treating AD, including side-effect profiles and clinical considerations for treating children (J. Am. Acad. Dermatol. 2014;71:327-49).
• Section 4: The fourth and final section of the guidelines is expected to be published in the September 2014 issue of the Journal of the American Academy of Dermatology.
No outside funding sources were involved in the creation of the guidelines. Disclosures of members of the guidelines committee are available following full text of each guidelines section in print and online.
Atopic dermatitis remains a challenging condition.
The 2014 guidelines of care for the management of atopic dermatitis (AD) are being published by the American Academy of Dermatology in a series of four parts. Each part begins with a disclaimer stating that, "the ultimate judgment regarding the propriety of any specific therapy must be made by the physician and the patient in light of all the circumstances presented by the individual patient and the known variability and biologic behavior of the disease." The disclaimer continues, "This guideline reflects the best available data at the time the guideline was prepared. The results of future studies may require revisions to the recommendations in this guideline to reflect new data."
• Section 1: Diagnosis and assessment of atopic dermatitis. This section includes risk factors for the development of AD, diagnostic and monitoring techniques, assessment and outcomes, and clinical associations in AD patients (J. Am. Acad. Dermatol. 2014;70:338-51).
• Section 2: Management and treatment of atopic dermatitis with topical therapies. This section focuses on recommendations for the use of nonpharmacologic and topical therapies in the management of AD (J. Am. Acad. Dermatol. 2014;71:116-32).
• Section 3: Management and treatment with phototherapy and systemic agents. This section reviews indications for the use of phototherapy and systemic immunomodulators for treating AD, including side-effect profiles and clinical considerations for treating children (J. Am. Acad. Dermatol. 2014;71:327-49).
• Section 4: The fourth and final section of the guidelines is expected to be published in the September 2014 issue of the Journal of the American Academy of Dermatology.
No outside funding sources were involved in the creation of the guidelines. Disclosures of members of the guidelines committee are available following full text of each guidelines section in print and online.
FROM THE JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY
Caring for an expectant mother
"Mrs. Jones in ED room 12? Septic with severe multilobar pneumonia and hypoxemic respiratory failure? Got it. I’m on my way down to the ED now." The heart races in anticipation of caring for this critically ill patient near death’s door. But it’s okay. You know exactly what you have to do. You have done it many times before. No problem. Just as you are about to hang up the phone you learn more ...
"What’s that? She is 22 weeks pregnant? Uh, all right."
Suddenly, what initially seemed to be a routine case takes a complicated twist. You are no longer caring for one life, you are caring for two (or more), and one of those is extremely frail and vulnerable. The bugs, the drugs, maintaining adequate perfusion of vital organs – both hers and her baby’s – the questions of "What if ... ?" and "Should I ... ?" race through your mind. Should you get infectious disease and pulmonary consultations for an added layer of protection or should you treat her as you have treated so many others before her, the caveat, of course, being the need to check every single drug for its teratogenicity.
If you have ever felt at least a little queasiness in the pit of your stomach when called upon to care for an expectant mother, you are notalone. I think it is natural to feel a bit uneasy when we care for pregnant patients because most of us do it rather infrequently and there may not be room for a do-over even if you make the tiniest mistake. Each drug we order has the potential to do harm and any missed or delayed diagnosis may be tolerated well by mom, but maybe not much by the tiny baby growing inside her. Get it right and the family may live a storybook fantasy. Yet, a single miscalculation, an honest mistake, and that innocent child’s future may be compromised or destroyed.
Fortunately, these days, horror stories seem to be less frequent than in the past. But we must remain vigilant to not only optimally treat our patient (mommy), but also to protect our patients (mommy and baby) from future complications of treatment. If there is any doubt, go ahead and call an infectious disease and pulmonary consultation. Sometimes, everyone sleeps better when we do.
Dr. A. Maria Hester is a hospitalist with Baltimore-Washington Medical Center, Glen Burnie, Md., who has a passion for empowering patients to partner in their health care. She is the creator of the Patient Whiz, a patient-engagement app for iOS.
"Mrs. Jones in ED room 12? Septic with severe multilobar pneumonia and hypoxemic respiratory failure? Got it. I’m on my way down to the ED now." The heart races in anticipation of caring for this critically ill patient near death’s door. But it’s okay. You know exactly what you have to do. You have done it many times before. No problem. Just as you are about to hang up the phone you learn more ...
"What’s that? She is 22 weeks pregnant? Uh, all right."
Suddenly, what initially seemed to be a routine case takes a complicated twist. You are no longer caring for one life, you are caring for two (or more), and one of those is extremely frail and vulnerable. The bugs, the drugs, maintaining adequate perfusion of vital organs – both hers and her baby’s – the questions of "What if ... ?" and "Should I ... ?" race through your mind. Should you get infectious disease and pulmonary consultations for an added layer of protection or should you treat her as you have treated so many others before her, the caveat, of course, being the need to check every single drug for its teratogenicity.
If you have ever felt at least a little queasiness in the pit of your stomach when called upon to care for an expectant mother, you are notalone. I think it is natural to feel a bit uneasy when we care for pregnant patients because most of us do it rather infrequently and there may not be room for a do-over even if you make the tiniest mistake. Each drug we order has the potential to do harm and any missed or delayed diagnosis may be tolerated well by mom, but maybe not much by the tiny baby growing inside her. Get it right and the family may live a storybook fantasy. Yet, a single miscalculation, an honest mistake, and that innocent child’s future may be compromised or destroyed.
Fortunately, these days, horror stories seem to be less frequent than in the past. But we must remain vigilant to not only optimally treat our patient (mommy), but also to protect our patients (mommy and baby) from future complications of treatment. If there is any doubt, go ahead and call an infectious disease and pulmonary consultation. Sometimes, everyone sleeps better when we do.
Dr. A. Maria Hester is a hospitalist with Baltimore-Washington Medical Center, Glen Burnie, Md., who has a passion for empowering patients to partner in their health care. She is the creator of the Patient Whiz, a patient-engagement app for iOS.
"Mrs. Jones in ED room 12? Septic with severe multilobar pneumonia and hypoxemic respiratory failure? Got it. I’m on my way down to the ED now." The heart races in anticipation of caring for this critically ill patient near death’s door. But it’s okay. You know exactly what you have to do. You have done it many times before. No problem. Just as you are about to hang up the phone you learn more ...
"What’s that? She is 22 weeks pregnant? Uh, all right."
Suddenly, what initially seemed to be a routine case takes a complicated twist. You are no longer caring for one life, you are caring for two (or more), and one of those is extremely frail and vulnerable. The bugs, the drugs, maintaining adequate perfusion of vital organs – both hers and her baby’s – the questions of "What if ... ?" and "Should I ... ?" race through your mind. Should you get infectious disease and pulmonary consultations for an added layer of protection or should you treat her as you have treated so many others before her, the caveat, of course, being the need to check every single drug for its teratogenicity.
If you have ever felt at least a little queasiness in the pit of your stomach when called upon to care for an expectant mother, you are notalone. I think it is natural to feel a bit uneasy when we care for pregnant patients because most of us do it rather infrequently and there may not be room for a do-over even if you make the tiniest mistake. Each drug we order has the potential to do harm and any missed or delayed diagnosis may be tolerated well by mom, but maybe not much by the tiny baby growing inside her. Get it right and the family may live a storybook fantasy. Yet, a single miscalculation, an honest mistake, and that innocent child’s future may be compromised or destroyed.
Fortunately, these days, horror stories seem to be less frequent than in the past. But we must remain vigilant to not only optimally treat our patient (mommy), but also to protect our patients (mommy and baby) from future complications of treatment. If there is any doubt, go ahead and call an infectious disease and pulmonary consultation. Sometimes, everyone sleeps better when we do.
Dr. A. Maria Hester is a hospitalist with Baltimore-Washington Medical Center, Glen Burnie, Md., who has a passion for empowering patients to partner in their health care. She is the creator of the Patient Whiz, a patient-engagement app for iOS.
Almonds
A tree species belonging to the Rosaceae family and native to the Middle East and South Asia, Prunus dulcis (also called Prunus amygdalus), popularly known as almond, is cultivated widely in warm, arid locations and used primarily for its edible seeds (J. Agric. Food Chem. 2007;55:8498-507; J. Agric. Food Chem. 2006;54:312-8). Almonds and almond skins are rich in polyphenols and are an important source of these phytonutrients, particularly flavan-3-ols and flavonols (J. Proteome Res. 2010;9:5859-67). Almonds also are known to contain an abundance of fiber (Anaerobe 2014;26:1-6). Almond extracts are used in cosmetic formulations because of their high concentration of polyphenols, particularly flavonoids and phenolic acids (Int. J. Curr. Pharm. Res. 2011;3:57-9).
Key components
In 2006, Milbury et al. determined that the main flavonoids and phenolic acids in Prunus dulcis skins and kernels are isorhamnetin-3-O-rutinoside and isorhamnetin-3-O-glucoside (in combination), catechin, kaempferol-3-O-rutinoside, epicatechin, quercetin-3-O-galactoside, and isorhamnetin-3-O-galactoside (J. Agric. Food Chem. 2006;54:5027-33).
In a separate study that year, Wijeratne et al. identified quercetin, isorhamnetin, quercitrin, kaempferol 3-O-rutinoside, isorhamnetin 3-O-glucoside, and morin as the primary flavonoids in various whole-seed, brown, skin, and green-shell-cover almond extracts (J. Agric. Food Chem. 2006;54:312-8). Almond seed skin also has been shown to contain highly polymerized polyphenols that exhibit potent alpha-amylase inhibitory activity, thus slowing the absorption of carbohydrate (J. Agric. Food Chem. 2013;61:4570-6).
In 2010, Bartolomé et al. identified A- and B-type procyanidin, propelargonidin, and prodelphinidin polymers in almond skins. In human plasma and urine samples taken after consumption of almond skin polyphenols, the investigators detected O-methyl glucuronide sulfate and O-methyl sulfate derivatives of (epi)catechin; the glucuronide conjugates of naringenin and isorhamnetin; and sulfate conjugates of isorhamnetin, together with conjugates of hydroxyphenylvalerolactones. They also identified various microbial-derived metabolites, including hydroxyphenylpropionic, hydroxyphenylacetic, hydroxycinnamic, hydroxybenzoic, and hydroxyhippuric acids (Arch. Biochem. Biophys. 2010;501:124-33).
A functional food: Antioxidant constituents and activity
In a study of two human subjects conducted in 2009, Urpi-Sarda et al. profiled microbial-derived phenolic metabolites in plasma and urine samples before and after the consumption of almond skins. They detected glucuronide, O-methyl glucuronide sulfate, and O-methyl sulfate derivatives of epicatechin, the glucuronide conjugates of naringenin and glucuronide, and sulfate conjugates of isorhamnetin. The researchers also detected, in their glucuronide and sulfate forms, microbial-derived metabolites of flavanols, including 5-(dihydroxyphenyl)-gamma-valerolactone and 5-(hydroxymethoxyphenyl)-gamma-valerolactone (J. Agric. Food Chem. 2009;57:10134-42).
A 2010 study with 24 volunteers conducted by Llorach et al. investigated urinary metabolome changes during the 24-hour period following ingestion of a single dose of almond skin extract. The participants, who were following a polyphenol-free diet for 48 hours, were divided into two groups: the almond skin group or a placebo group. Thirty-four metabolites were linked to the consumption of the almond extract (J. Proteome Res. 2010;9:5859-67).
Monagas et al. previously led a comprehensive investigation of the phenolic composition of almond skins to elucidate its potential as a functional food. They identified 33 compounds, including flavanols, flavonols, dihydroflavonols, and flavanones, as well as nonflavonoid substances. The most abundant phenols were flavanols (38%-57%) and flavonol glycosides (14%-35%). Further, the researchers measured the oxygen radical absorbance capacity of almond skins at 0.398-0.500 mmol Trolox/g, a range that suggests its antioxidant potency (J. Agric. Food Chem. 2007;55:8498-507).
In 2008, Garrido et al. investigated the phenolic composition and antioxidant activity of almond skins (Prunus dulcis) obtained from three almond varieties and through various industrial processes, including blanching, blanching and drying, as well as roasting. Identified were 31 phenolic compounds, including flavan-3-ols, flavonol glycosides, hydroxybenzoic acids and aldehydes, flavonol aglycones, flavanone glycosides, flavanone aglycones, hydroxycinnamic acids, and dihydroflavonol aglycones. Phenolic content as well as antioxidant activity were significantly higher in the roasted samples (J. Food Sci. 2008;73:C106-15).
In 2014, Liu et al. conducted a study in healthy humans of the potential prebiotic effects of consuming almonds and almond skins. For 6 weeks, 48 adult volunteers ingested a daily dose of roasted almonds, almond skins, or a positive control (commercial fructo-oligosaccharides). The investigators collected fecal samples and analyzed them for microbiota composition. They observed significant increases in populations of Bifidobacterium spp. and Lactobacillus spp. in fecal samples after almond or almond skin supplementation; substantial inhibition of the growth of the pathogen Clostridium perfringens; and favorable changes in bacterial enzyme activities. They concluded that almonds and almond skins appear to exhibit potential prebiotic qualities (Anaerobe 2014;26:1-6).
Topical antiaging potential
In 2011, Sachdeva and Katyal assessed the antioxidant and antiwrinkle effects of almond skin extracts in UV-induced photoaging in mice. Twenty-five mice were used as an unirradiated control, receiving neither UV exposure nor almond skin treatment. A second group of 24 mice received only UV exposure of 5 minutes twice a day, and served as an irradiated control. Further groups of 24 mice received both UV radiation and treatment with prepared formulation. The treatment groups received various topical almond skin extract doses 2 hours prior to the same level of UV exposure. Significant decreases in malondialdehyde and increases in glutathione levels, respectively, suggested to the investigators that the almond skin extracts effectively scavenged free radicals while also enhancing moisturization. They concluded that almond skin extracts display potential as antiaging ingredients in topical cosmetic formulations (Int. J. Curr. Pharm. Res. 2011;3:57-9).
Conclusion
Almonds are believed to be a healthy addition to the human diet, with their regular consumption thought to confer cardiovascular benefits. The healthful effects of dietary intake of almonds are often attributed to the presence of several polyphenolic constituents. While it is speculated that such ingredients also play a role in imparting cutaneous benefits, the body of evidence supporting such claims remains sparse to date. Nevertheless, P. dulcis is incorporated in various cosmetic formulations. More research is necessary to ascertain whether such inclusion is warranted.
Dr. Baumann is chief executive officer of the Baumann Cosmetic & Research Institute in Miami Beach. She founded the cosmetic dermatology center at the University of Miami in 1997. Dr. Baumann wrote the textbook "Cosmetic Dermatology: Principles and Practice" (McGraw-Hill, April 2002), and a book for consumers, "The Skin Type Solution" (Bantam, 2006). She has contributed to the Cosmeceutical Critique column in Skin & Allergy News since January 2001. Dr. Baumann has received funding for clinical grants from Allergan, Aveeno, Avon Products, Galderma, Mary Kay, Medicis Pharmaceuticals, Neutrogena, Philosophy, Stiefel, Topix Pharmaceuticals, and Unilever.
A tree species belonging to the Rosaceae family and native to the Middle East and South Asia, Prunus dulcis (also called Prunus amygdalus), popularly known as almond, is cultivated widely in warm, arid locations and used primarily for its edible seeds (J. Agric. Food Chem. 2007;55:8498-507; J. Agric. Food Chem. 2006;54:312-8). Almonds and almond skins are rich in polyphenols and are an important source of these phytonutrients, particularly flavan-3-ols and flavonols (J. Proteome Res. 2010;9:5859-67). Almonds also are known to contain an abundance of fiber (Anaerobe 2014;26:1-6). Almond extracts are used in cosmetic formulations because of their high concentration of polyphenols, particularly flavonoids and phenolic acids (Int. J. Curr. Pharm. Res. 2011;3:57-9).
Key components
In 2006, Milbury et al. determined that the main flavonoids and phenolic acids in Prunus dulcis skins and kernels are isorhamnetin-3-O-rutinoside and isorhamnetin-3-O-glucoside (in combination), catechin, kaempferol-3-O-rutinoside, epicatechin, quercetin-3-O-galactoside, and isorhamnetin-3-O-galactoside (J. Agric. Food Chem. 2006;54:5027-33).
In a separate study that year, Wijeratne et al. identified quercetin, isorhamnetin, quercitrin, kaempferol 3-O-rutinoside, isorhamnetin 3-O-glucoside, and morin as the primary flavonoids in various whole-seed, brown, skin, and green-shell-cover almond extracts (J. Agric. Food Chem. 2006;54:312-8). Almond seed skin also has been shown to contain highly polymerized polyphenols that exhibit potent alpha-amylase inhibitory activity, thus slowing the absorption of carbohydrate (J. Agric. Food Chem. 2013;61:4570-6).
In 2010, Bartolomé et al. identified A- and B-type procyanidin, propelargonidin, and prodelphinidin polymers in almond skins. In human plasma and urine samples taken after consumption of almond skin polyphenols, the investigators detected O-methyl glucuronide sulfate and O-methyl sulfate derivatives of (epi)catechin; the glucuronide conjugates of naringenin and isorhamnetin; and sulfate conjugates of isorhamnetin, together with conjugates of hydroxyphenylvalerolactones. They also identified various microbial-derived metabolites, including hydroxyphenylpropionic, hydroxyphenylacetic, hydroxycinnamic, hydroxybenzoic, and hydroxyhippuric acids (Arch. Biochem. Biophys. 2010;501:124-33).
A functional food: Antioxidant constituents and activity
In a study of two human subjects conducted in 2009, Urpi-Sarda et al. profiled microbial-derived phenolic metabolites in plasma and urine samples before and after the consumption of almond skins. They detected glucuronide, O-methyl glucuronide sulfate, and O-methyl sulfate derivatives of epicatechin, the glucuronide conjugates of naringenin and glucuronide, and sulfate conjugates of isorhamnetin. The researchers also detected, in their glucuronide and sulfate forms, microbial-derived metabolites of flavanols, including 5-(dihydroxyphenyl)-gamma-valerolactone and 5-(hydroxymethoxyphenyl)-gamma-valerolactone (J. Agric. Food Chem. 2009;57:10134-42).
A 2010 study with 24 volunteers conducted by Llorach et al. investigated urinary metabolome changes during the 24-hour period following ingestion of a single dose of almond skin extract. The participants, who were following a polyphenol-free diet for 48 hours, were divided into two groups: the almond skin group or a placebo group. Thirty-four metabolites were linked to the consumption of the almond extract (J. Proteome Res. 2010;9:5859-67).
Monagas et al. previously led a comprehensive investigation of the phenolic composition of almond skins to elucidate its potential as a functional food. They identified 33 compounds, including flavanols, flavonols, dihydroflavonols, and flavanones, as well as nonflavonoid substances. The most abundant phenols were flavanols (38%-57%) and flavonol glycosides (14%-35%). Further, the researchers measured the oxygen radical absorbance capacity of almond skins at 0.398-0.500 mmol Trolox/g, a range that suggests its antioxidant potency (J. Agric. Food Chem. 2007;55:8498-507).
In 2008, Garrido et al. investigated the phenolic composition and antioxidant activity of almond skins (Prunus dulcis) obtained from three almond varieties and through various industrial processes, including blanching, blanching and drying, as well as roasting. Identified were 31 phenolic compounds, including flavan-3-ols, flavonol glycosides, hydroxybenzoic acids and aldehydes, flavonol aglycones, flavanone glycosides, flavanone aglycones, hydroxycinnamic acids, and dihydroflavonol aglycones. Phenolic content as well as antioxidant activity were significantly higher in the roasted samples (J. Food Sci. 2008;73:C106-15).
In 2014, Liu et al. conducted a study in healthy humans of the potential prebiotic effects of consuming almonds and almond skins. For 6 weeks, 48 adult volunteers ingested a daily dose of roasted almonds, almond skins, or a positive control (commercial fructo-oligosaccharides). The investigators collected fecal samples and analyzed them for microbiota composition. They observed significant increases in populations of Bifidobacterium spp. and Lactobacillus spp. in fecal samples after almond or almond skin supplementation; substantial inhibition of the growth of the pathogen Clostridium perfringens; and favorable changes in bacterial enzyme activities. They concluded that almonds and almond skins appear to exhibit potential prebiotic qualities (Anaerobe 2014;26:1-6).
Topical antiaging potential
In 2011, Sachdeva and Katyal assessed the antioxidant and antiwrinkle effects of almond skin extracts in UV-induced photoaging in mice. Twenty-five mice were used as an unirradiated control, receiving neither UV exposure nor almond skin treatment. A second group of 24 mice received only UV exposure of 5 minutes twice a day, and served as an irradiated control. Further groups of 24 mice received both UV radiation and treatment with prepared formulation. The treatment groups received various topical almond skin extract doses 2 hours prior to the same level of UV exposure. Significant decreases in malondialdehyde and increases in glutathione levels, respectively, suggested to the investigators that the almond skin extracts effectively scavenged free radicals while also enhancing moisturization. They concluded that almond skin extracts display potential as antiaging ingredients in topical cosmetic formulations (Int. J. Curr. Pharm. Res. 2011;3:57-9).
Conclusion
Almonds are believed to be a healthy addition to the human diet, with their regular consumption thought to confer cardiovascular benefits. The healthful effects of dietary intake of almonds are often attributed to the presence of several polyphenolic constituents. While it is speculated that such ingredients also play a role in imparting cutaneous benefits, the body of evidence supporting such claims remains sparse to date. Nevertheless, P. dulcis is incorporated in various cosmetic formulations. More research is necessary to ascertain whether such inclusion is warranted.
Dr. Baumann is chief executive officer of the Baumann Cosmetic & Research Institute in Miami Beach. She founded the cosmetic dermatology center at the University of Miami in 1997. Dr. Baumann wrote the textbook "Cosmetic Dermatology: Principles and Practice" (McGraw-Hill, April 2002), and a book for consumers, "The Skin Type Solution" (Bantam, 2006). She has contributed to the Cosmeceutical Critique column in Skin & Allergy News since January 2001. Dr. Baumann has received funding for clinical grants from Allergan, Aveeno, Avon Products, Galderma, Mary Kay, Medicis Pharmaceuticals, Neutrogena, Philosophy, Stiefel, Topix Pharmaceuticals, and Unilever.
A tree species belonging to the Rosaceae family and native to the Middle East and South Asia, Prunus dulcis (also called Prunus amygdalus), popularly known as almond, is cultivated widely in warm, arid locations and used primarily for its edible seeds (J. Agric. Food Chem. 2007;55:8498-507; J. Agric. Food Chem. 2006;54:312-8). Almonds and almond skins are rich in polyphenols and are an important source of these phytonutrients, particularly flavan-3-ols and flavonols (J. Proteome Res. 2010;9:5859-67). Almonds also are known to contain an abundance of fiber (Anaerobe 2014;26:1-6). Almond extracts are used in cosmetic formulations because of their high concentration of polyphenols, particularly flavonoids and phenolic acids (Int. J. Curr. Pharm. Res. 2011;3:57-9).
Key components
In 2006, Milbury et al. determined that the main flavonoids and phenolic acids in Prunus dulcis skins and kernels are isorhamnetin-3-O-rutinoside and isorhamnetin-3-O-glucoside (in combination), catechin, kaempferol-3-O-rutinoside, epicatechin, quercetin-3-O-galactoside, and isorhamnetin-3-O-galactoside (J. Agric. Food Chem. 2006;54:5027-33).
In a separate study that year, Wijeratne et al. identified quercetin, isorhamnetin, quercitrin, kaempferol 3-O-rutinoside, isorhamnetin 3-O-glucoside, and morin as the primary flavonoids in various whole-seed, brown, skin, and green-shell-cover almond extracts (J. Agric. Food Chem. 2006;54:312-8). Almond seed skin also has been shown to contain highly polymerized polyphenols that exhibit potent alpha-amylase inhibitory activity, thus slowing the absorption of carbohydrate (J. Agric. Food Chem. 2013;61:4570-6).
In 2010, Bartolomé et al. identified A- and B-type procyanidin, propelargonidin, and prodelphinidin polymers in almond skins. In human plasma and urine samples taken after consumption of almond skin polyphenols, the investigators detected O-methyl glucuronide sulfate and O-methyl sulfate derivatives of (epi)catechin; the glucuronide conjugates of naringenin and isorhamnetin; and sulfate conjugates of isorhamnetin, together with conjugates of hydroxyphenylvalerolactones. They also identified various microbial-derived metabolites, including hydroxyphenylpropionic, hydroxyphenylacetic, hydroxycinnamic, hydroxybenzoic, and hydroxyhippuric acids (Arch. Biochem. Biophys. 2010;501:124-33).
A functional food: Antioxidant constituents and activity
In a study of two human subjects conducted in 2009, Urpi-Sarda et al. profiled microbial-derived phenolic metabolites in plasma and urine samples before and after the consumption of almond skins. They detected glucuronide, O-methyl glucuronide sulfate, and O-methyl sulfate derivatives of epicatechin, the glucuronide conjugates of naringenin and glucuronide, and sulfate conjugates of isorhamnetin. The researchers also detected, in their glucuronide and sulfate forms, microbial-derived metabolites of flavanols, including 5-(dihydroxyphenyl)-gamma-valerolactone and 5-(hydroxymethoxyphenyl)-gamma-valerolactone (J. Agric. Food Chem. 2009;57:10134-42).
A 2010 study with 24 volunteers conducted by Llorach et al. investigated urinary metabolome changes during the 24-hour period following ingestion of a single dose of almond skin extract. The participants, who were following a polyphenol-free diet for 48 hours, were divided into two groups: the almond skin group or a placebo group. Thirty-four metabolites were linked to the consumption of the almond extract (J. Proteome Res. 2010;9:5859-67).
Monagas et al. previously led a comprehensive investigation of the phenolic composition of almond skins to elucidate its potential as a functional food. They identified 33 compounds, including flavanols, flavonols, dihydroflavonols, and flavanones, as well as nonflavonoid substances. The most abundant phenols were flavanols (38%-57%) and flavonol glycosides (14%-35%). Further, the researchers measured the oxygen radical absorbance capacity of almond skins at 0.398-0.500 mmol Trolox/g, a range that suggests its antioxidant potency (J. Agric. Food Chem. 2007;55:8498-507).
In 2008, Garrido et al. investigated the phenolic composition and antioxidant activity of almond skins (Prunus dulcis) obtained from three almond varieties and through various industrial processes, including blanching, blanching and drying, as well as roasting. Identified were 31 phenolic compounds, including flavan-3-ols, flavonol glycosides, hydroxybenzoic acids and aldehydes, flavonol aglycones, flavanone glycosides, flavanone aglycones, hydroxycinnamic acids, and dihydroflavonol aglycones. Phenolic content as well as antioxidant activity were significantly higher in the roasted samples (J. Food Sci. 2008;73:C106-15).
In 2014, Liu et al. conducted a study in healthy humans of the potential prebiotic effects of consuming almonds and almond skins. For 6 weeks, 48 adult volunteers ingested a daily dose of roasted almonds, almond skins, or a positive control (commercial fructo-oligosaccharides). The investigators collected fecal samples and analyzed them for microbiota composition. They observed significant increases in populations of Bifidobacterium spp. and Lactobacillus spp. in fecal samples after almond or almond skin supplementation; substantial inhibition of the growth of the pathogen Clostridium perfringens; and favorable changes in bacterial enzyme activities. They concluded that almonds and almond skins appear to exhibit potential prebiotic qualities (Anaerobe 2014;26:1-6).
Topical antiaging potential
In 2011, Sachdeva and Katyal assessed the antioxidant and antiwrinkle effects of almond skin extracts in UV-induced photoaging in mice. Twenty-five mice were used as an unirradiated control, receiving neither UV exposure nor almond skin treatment. A second group of 24 mice received only UV exposure of 5 minutes twice a day, and served as an irradiated control. Further groups of 24 mice received both UV radiation and treatment with prepared formulation. The treatment groups received various topical almond skin extract doses 2 hours prior to the same level of UV exposure. Significant decreases in malondialdehyde and increases in glutathione levels, respectively, suggested to the investigators that the almond skin extracts effectively scavenged free radicals while also enhancing moisturization. They concluded that almond skin extracts display potential as antiaging ingredients in topical cosmetic formulations (Int. J. Curr. Pharm. Res. 2011;3:57-9).
Conclusion
Almonds are believed to be a healthy addition to the human diet, with their regular consumption thought to confer cardiovascular benefits. The healthful effects of dietary intake of almonds are often attributed to the presence of several polyphenolic constituents. While it is speculated that such ingredients also play a role in imparting cutaneous benefits, the body of evidence supporting such claims remains sparse to date. Nevertheless, P. dulcis is incorporated in various cosmetic formulations. More research is necessary to ascertain whether such inclusion is warranted.
Dr. Baumann is chief executive officer of the Baumann Cosmetic & Research Institute in Miami Beach. She founded the cosmetic dermatology center at the University of Miami in 1997. Dr. Baumann wrote the textbook "Cosmetic Dermatology: Principles and Practice" (McGraw-Hill, April 2002), and a book for consumers, "The Skin Type Solution" (Bantam, 2006). She has contributed to the Cosmeceutical Critique column in Skin & Allergy News since January 2001. Dr. Baumann has received funding for clinical grants from Allergan, Aveeno, Avon Products, Galderma, Mary Kay, Medicis Pharmaceuticals, Neutrogena, Philosophy, Stiefel, Topix Pharmaceuticals, and Unilever.
Why EHRs are not the face of digital health technology
Medical imaging was the first taste of digital health technology for physicians and most health care providers. The technology provides prompt high-quality information which improves efficiency and is mobile. Then came electronic health records (EHRs). EHRs were mandated as part of the Health Information Technology for Economic and Clinical Health (HITECH) Act of 2009. The goals of EHRs are to improve patient safety, decrease costs, and allow for the seamless exchange of information among providers and providing entities. As a proponent of digital health technologies, I submit that they are patient advocacy tools. The debate over the "effectiveness"of EHRs continues. It is too early to evaluate the true impact of EHRs on patient care at this juncture. Stage 1 of Meaningful Use (MU) of EHRs pertains solely to data capture. It is with Stages 2 and 3 that patient engagement and clinical decision support tools are incorporated in processes around the EHR. These stages have not been fully implemented and won’t be for a few years to come. Therefore those attributes of MU potentially having the most impact on patients are not in use today. What we do know is that: A) Physicians are spending more time looking at computer screens than into the faces of the people they are treating. B) That much of the data entered is to satisfy regulations of the HITECH Act and not directly related to patient care. C) That EHRs were designed for billing and regulatory purposes and do not in any way reflect clinical work flow. D) EHRs do not integrate well with medical devices or disparate digital health technology systems. However some excellent progress has been made in developing true interoperability among systems.
The EHR does not represent the face of digital technology in health care. Mobile health technologies, wearable sensor technologies, aging at home technologies, and ingestible medication sensor technology populate today’s digital health landscape. These are developments which will contribute directly to more efficient and improved patient care. They will address gaps in care. Having a mother who is ill and requiring significant help at home has taken me on a journey riddled with frustration and pain that is also experienced by my patients and their caregivers daily. It has made me a better physician, who realizes that the most important aspect of care is empathy. Most people view technology as a something that creates a divide between provider and patient. Effective technology can actually bring them closer. It can deliver trending data (which must be accurate, filtered, and actionable in order to be useful), drastically altering care recommendations and preventing hospitalizations and medical emergencies. While there remains much to be proven with regards to digital technologies, I expect them to become a backbone of the health care landscape.
Another digital health technology sector making its way into advanced health care enterprises is analytics. These tools take health care "big data" and make it relevant to treating individual patients as well as populations. Use cases for health care analytics demonstrate that EHRs, while being innately clumsy can be transformed into powerful sources of useful information.
Patients as consumers are demanding mobile tools long utilized in the retail and finance sectors . Examples can be seen in patient-physician video conferencing, mobile appointment schedulers, and even a smartphone ECG rhythm monitor. Digital health also involves social media. Patients are now finding themselves in online patient support groups. There are significant advantages of online versus real life support groups. On the provider side, digital tools such as Doximity and Epocratesare widely used.
In summary, the digital health landscape is much broader and friendlier than the EHR of today. I look forward to EHRs becoming more user friendly and clinically rewarding.
Dr. Scher is an electrophysiologist with the Heart Group of Lancaster (Pa.) General Health. He is also director of DLS Healthcare Consulting, Harrisburg, Pa., and clinical associate professor of medicine at the Pennsylvania State University, Hershey.
Medical imaging was the first taste of digital health technology for physicians and most health care providers. The technology provides prompt high-quality information which improves efficiency and is mobile. Then came electronic health records (EHRs). EHRs were mandated as part of the Health Information Technology for Economic and Clinical Health (HITECH) Act of 2009. The goals of EHRs are to improve patient safety, decrease costs, and allow for the seamless exchange of information among providers and providing entities. As a proponent of digital health technologies, I submit that they are patient advocacy tools. The debate over the "effectiveness"of EHRs continues. It is too early to evaluate the true impact of EHRs on patient care at this juncture. Stage 1 of Meaningful Use (MU) of EHRs pertains solely to data capture. It is with Stages 2 and 3 that patient engagement and clinical decision support tools are incorporated in processes around the EHR. These stages have not been fully implemented and won’t be for a few years to come. Therefore those attributes of MU potentially having the most impact on patients are not in use today. What we do know is that: A) Physicians are spending more time looking at computer screens than into the faces of the people they are treating. B) That much of the data entered is to satisfy regulations of the HITECH Act and not directly related to patient care. C) That EHRs were designed for billing and regulatory purposes and do not in any way reflect clinical work flow. D) EHRs do not integrate well with medical devices or disparate digital health technology systems. However some excellent progress has been made in developing true interoperability among systems.
The EHR does not represent the face of digital technology in health care. Mobile health technologies, wearable sensor technologies, aging at home technologies, and ingestible medication sensor technology populate today’s digital health landscape. These are developments which will contribute directly to more efficient and improved patient care. They will address gaps in care. Having a mother who is ill and requiring significant help at home has taken me on a journey riddled with frustration and pain that is also experienced by my patients and their caregivers daily. It has made me a better physician, who realizes that the most important aspect of care is empathy. Most people view technology as a something that creates a divide between provider and patient. Effective technology can actually bring them closer. It can deliver trending data (which must be accurate, filtered, and actionable in order to be useful), drastically altering care recommendations and preventing hospitalizations and medical emergencies. While there remains much to be proven with regards to digital technologies, I expect them to become a backbone of the health care landscape.
Another digital health technology sector making its way into advanced health care enterprises is analytics. These tools take health care "big data" and make it relevant to treating individual patients as well as populations. Use cases for health care analytics demonstrate that EHRs, while being innately clumsy can be transformed into powerful sources of useful information.
Patients as consumers are demanding mobile tools long utilized in the retail and finance sectors . Examples can be seen in patient-physician video conferencing, mobile appointment schedulers, and even a smartphone ECG rhythm monitor. Digital health also involves social media. Patients are now finding themselves in online patient support groups. There are significant advantages of online versus real life support groups. On the provider side, digital tools such as Doximity and Epocratesare widely used.
In summary, the digital health landscape is much broader and friendlier than the EHR of today. I look forward to EHRs becoming more user friendly and clinically rewarding.
Dr. Scher is an electrophysiologist with the Heart Group of Lancaster (Pa.) General Health. He is also director of DLS Healthcare Consulting, Harrisburg, Pa., and clinical associate professor of medicine at the Pennsylvania State University, Hershey.
Medical imaging was the first taste of digital health technology for physicians and most health care providers. The technology provides prompt high-quality information which improves efficiency and is mobile. Then came electronic health records (EHRs). EHRs were mandated as part of the Health Information Technology for Economic and Clinical Health (HITECH) Act of 2009. The goals of EHRs are to improve patient safety, decrease costs, and allow for the seamless exchange of information among providers and providing entities. As a proponent of digital health technologies, I submit that they are patient advocacy tools. The debate over the "effectiveness"of EHRs continues. It is too early to evaluate the true impact of EHRs on patient care at this juncture. Stage 1 of Meaningful Use (MU) of EHRs pertains solely to data capture. It is with Stages 2 and 3 that patient engagement and clinical decision support tools are incorporated in processes around the EHR. These stages have not been fully implemented and won’t be for a few years to come. Therefore those attributes of MU potentially having the most impact on patients are not in use today. What we do know is that: A) Physicians are spending more time looking at computer screens than into the faces of the people they are treating. B) That much of the data entered is to satisfy regulations of the HITECH Act and not directly related to patient care. C) That EHRs were designed for billing and regulatory purposes and do not in any way reflect clinical work flow. D) EHRs do not integrate well with medical devices or disparate digital health technology systems. However some excellent progress has been made in developing true interoperability among systems.
The EHR does not represent the face of digital technology in health care. Mobile health technologies, wearable sensor technologies, aging at home technologies, and ingestible medication sensor technology populate today’s digital health landscape. These are developments which will contribute directly to more efficient and improved patient care. They will address gaps in care. Having a mother who is ill and requiring significant help at home has taken me on a journey riddled with frustration and pain that is also experienced by my patients and their caregivers daily. It has made me a better physician, who realizes that the most important aspect of care is empathy. Most people view technology as a something that creates a divide between provider and patient. Effective technology can actually bring them closer. It can deliver trending data (which must be accurate, filtered, and actionable in order to be useful), drastically altering care recommendations and preventing hospitalizations and medical emergencies. While there remains much to be proven with regards to digital technologies, I expect them to become a backbone of the health care landscape.
Another digital health technology sector making its way into advanced health care enterprises is analytics. These tools take health care "big data" and make it relevant to treating individual patients as well as populations. Use cases for health care analytics demonstrate that EHRs, while being innately clumsy can be transformed into powerful sources of useful information.
Patients as consumers are demanding mobile tools long utilized in the retail and finance sectors . Examples can be seen in patient-physician video conferencing, mobile appointment schedulers, and even a smartphone ECG rhythm monitor. Digital health also involves social media. Patients are now finding themselves in online patient support groups. There are significant advantages of online versus real life support groups. On the provider side, digital tools such as Doximity and Epocratesare widely used.
In summary, the digital health landscape is much broader and friendlier than the EHR of today. I look forward to EHRs becoming more user friendly and clinically rewarding.
Dr. Scher is an electrophysiologist with the Heart Group of Lancaster (Pa.) General Health. He is also director of DLS Healthcare Consulting, Harrisburg, Pa., and clinical associate professor of medicine at the Pennsylvania State University, Hershey.
Summary of evidence-based guideline: complementary and alternative medicine in multiple sclerosis. Report of the Guideline Development Subcommittee of the American Academy of Neurology
Cannabinoids
Cannabinoid Practice Recommendations
Clinicians might offer oral cannabis extract (OCE) to patients with multiple sclerosis (MS) to reduce patient-reported symptoms of spasticity and pain (excluding central neuropathic pain) (Level A) and might counsel patients that this symptomatic benefit is possibly maintained for 1 year (Level C), although OCE is probably ineffective for improving objective spasticity measures (short-term) or tremor (Level B).
Clinicians might offer tetrahydrocannabinol (THC) to patients with MS to reduce patient-reported symptoms of spasticity and pain (excluding central neuropathic pain) (Level B). Clinicians might counsel patients that this symptomatic benefit is possibly maintained for 1 year (Level C), although THC is probably ineffective for improving objective spasticity measures (short-term) or tremor (Level B).
Clinicians might offer Sativex oromucosal cannabinoid spray (nabiximols), where available, to reduce symptoms of spasticity, pain, or urinary frequency, although it is probably ineffective for improving objective spasticity measures or number of urinary incontinence episodes (Level B).
Clinicians might choose not to offer Sativex oromucosal cannabinoid spray to reduce MS-related tremor (Level C).
Data are inadequate to support or refute use of the following in MS (Level U):
- OCE/THC for bladder urge incontinence and overall symptoms
- Synthetic THC (Marinol) for central neuropathic pain
- Sativex oromucosal cannabinoid spray for overall bladder symptoms, anxiety symptoms/sleep problems, cognitive symptoms, quality of life (QOL), and fatigue
- Smoked cannabis for spasticity, pain, balance/posture, and cognition
Data are inadequate to determine the abuse potential or effect on psychopathologic symptoms of Sativex cannabinoid spray (Level U).
Clinical Context
The cannabinoid studies have limitations that physicians and patients must be aware of. Most studies were of short duration (6 to 15 weeks). Another limitation was the potential for central side effects to unmask patients to treatment assignment — a concern with regard to all masked trials involving treatments with prominent side effects. It is also important to recognize that the Ashworth scale used for objective measurement may be insensitive to spasticity changes. These factors may contribute to the discordant effects of cannabinoids on subjective and objective spasticity measures.
Ginkgo Biloba (GB)
GB Practice Recommendations
Clinicians might counsel patients with MS that GB is established as ineffective for improving cognitive function (Level A).
Clinicians might counsel patients with MS that GB is possibly effective for reducing fatigue (Level C).
Clinical Context
GB and other supplements are not U.S. Food and Drug Administration (FDA) regulated. Their quality control may play a role in their effectiveness and adverse effect (AE) risk. Moreover, interactions of supplements with other medications, especially disease-modifying therapies for MS, are a clinical concern.
Low-Fat Diet with Omega-3 Fatty Acid Supplementation (Omega-3)
Omega-3 Practice Recommendation
Clinicians might counsel patients that a low-fat diet with fish oil supplementation is probably ineffective for reducing relapses, disability, or magnetic resonance imaging (MRI) lesions, or for improving fatigue or QOL in MS (Level B).
Lofepramine
Lofepramine Practice Recommendation
Clinicians might counsel patients with MS that lofepramine plus L-phenylalanine with vitamin B12 (Cari Loder regimen) is possibly ineffective for treating disability, symptoms, depression, or fatigue (Level C).
Reflexology
Reflexology Practice Recommendation
Clinicians might counsel patients with MS that reflexology is possibly effective for reducing paresthesia (Level C).
Bee Venom
Bee Venom Practice Recommendation
Clinicians might counsel patients with MS that bee sting therapy is possibly ineffective for reducing relapses, disability, fatigue, total MRI lesion burden, new gadolinium-enhancing lesion volume, or health-related quality of life (HRQOL) (Level C).
Clinical Context
Bee stings can be associated with anaphylactic reaction and possible death.
Magnetic Therapy
Magnetic Therapy Practice Recommendation
Clinicians might counsel patients with MS that magnetic therapy is probably effective for reducing fatigue (Level B) and probably ineffective for reducing depression (Level B).
Other CAM Therapies Practice Recommendation
Clinicians should counsel patients with MS that the safety and efficacy of other reviewed CAM, or the interaction of CAM with disease-modifying therapies for MS, are unknown (Level U).
Definitions:
Classification of Evidence for Therapeutic Interventions
Class I: A randomized, controlled clinical trial of the intervention of interest with masked or objective outcome assessment, in a representative population. Relevant baseline characteristics are presented and substantially equivalent among treatment groups or there is appropriate statistical adjustment for differences.
The following are also required:
- Concealed allocation
- Primary outcome(s) clearly defined
- Exclusion/inclusion criteria clearly defined
- Adequate accounting for drop-outs (with at least 80% of enrolled subjects completing the study) and cross-overs with numbers sufficiently low to have minimal potential for bias.
- For noninferiority or equivalence trials claiming to prove efficacy for one or both drugs, the following are also required*:
- The authors explicitly state the clinically meaningful difference to be excluded by defining the threshold for equivalence or noninferiority.
- The standard treatment used in the study is substantially similar to that used in previous studies establishing efficacy of the standard treatment (e.g., for a drug, the mode of administration, dose and dosage adjustments are similar to those previously shown to be effective).
- The inclusion and exclusion criteria for patient selection and the outcomes of patients on the standard treatment are comparable to those of previous studies establishing efficacy of the standard treatment.
- The interpretation of the results of the study is based upon a per protocol analysis that takes into account dropouts or crossovers.
Class II: A randomized controlled clinical trial of the intervention of interest in a representative population with masked or objective outcome assessment that lacks one criteria a-e above or a prospective matched cohort study with masked or objective outcome assessment in a representative population that meets b-e above. Relevant baseline characteristics are presented and substantially equivalent among treatment groups or there is appropriate statistical adjustment for differences.
Class III: All other controlled trials (including well-defined natural history controls or patients serving as own controls) in a representative population, where outcome is independently assessed, or independently derived by objective outcome measurement.**
Class IV: Studies not meeting Class I, II or III criteria including consensus or expert opinion.
*Note that numbers 1-3 in Class Ie are required for Class II in equivalence trials. If any one of the three is missing, the class is automatically downgraded to Class III.
**Objective outcome measurement: an outcome measure that is unlikely to be affected by an observer's (patient, treating physician, investigator) expectation or bias (e.g., blood tests, administrative outcome data).
Classification of Recommendations
Level A = Established as effective, ineffective, or harmful (or established as useful/predictive or not useful/predictive) for the given condition in the specified population. (Level A rating requires at least two consistent Class I studies.)*
Level B = Probably effective, ineffective, or harmful (or probably useful/predictive or not useful/predictive) for the given condition in the specified population. (Level B rating requires at least one Class I study or at least two consistent Class II studies.)
Level C = Possibly effective, ineffective, or harmful (or possibly useful/predictive or not useful/predictive) for the given condition in the specified population. (Level C rating requires at least one Class II study or two consistent Class III studies.)
Level U = Data inadequate or conflicting; given current knowledge, treatment (test, predictor) is unproven.
*In exceptional cases, one convincing Class I study may suffice for an "A" recommendation if 1) all criteria are met, 2) the magnitude of effect is large (relative rate improved outcome >5 and the lower limit of the confidence interval is >2).
Cannabinoids
Cannabinoid Practice Recommendations
Clinicians might offer oral cannabis extract (OCE) to patients with multiple sclerosis (MS) to reduce patient-reported symptoms of spasticity and pain (excluding central neuropathic pain) (Level A) and might counsel patients that this symptomatic benefit is possibly maintained for 1 year (Level C), although OCE is probably ineffective for improving objective spasticity measures (short-term) or tremor (Level B).
Clinicians might offer tetrahydrocannabinol (THC) to patients with MS to reduce patient-reported symptoms of spasticity and pain (excluding central neuropathic pain) (Level B). Clinicians might counsel patients that this symptomatic benefit is possibly maintained for 1 year (Level C), although THC is probably ineffective for improving objective spasticity measures (short-term) or tremor (Level B).
Clinicians might offer Sativex oromucosal cannabinoid spray (nabiximols), where available, to reduce symptoms of spasticity, pain, or urinary frequency, although it is probably ineffective for improving objective spasticity measures or number of urinary incontinence episodes (Level B).
Clinicians might choose not to offer Sativex oromucosal cannabinoid spray to reduce MS-related tremor (Level C).
Data are inadequate to support or refute use of the following in MS (Level U):
- OCE/THC for bladder urge incontinence and overall symptoms
- Synthetic THC (Marinol) for central neuropathic pain
- Sativex oromucosal cannabinoid spray for overall bladder symptoms, anxiety symptoms/sleep problems, cognitive symptoms, quality of life (QOL), and fatigue
- Smoked cannabis for spasticity, pain, balance/posture, and cognition
Data are inadequate to determine the abuse potential or effect on psychopathologic symptoms of Sativex cannabinoid spray (Level U).
Clinical Context
The cannabinoid studies have limitations that physicians and patients must be aware of. Most studies were of short duration (6 to 15 weeks). Another limitation was the potential for central side effects to unmask patients to treatment assignment — a concern with regard to all masked trials involving treatments with prominent side effects. It is also important to recognize that the Ashworth scale used for objective measurement may be insensitive to spasticity changes. These factors may contribute to the discordant effects of cannabinoids on subjective and objective spasticity measures.
Ginkgo Biloba (GB)
GB Practice Recommendations
Clinicians might counsel patients with MS that GB is established as ineffective for improving cognitive function (Level A).
Clinicians might counsel patients with MS that GB is possibly effective for reducing fatigue (Level C).
Clinical Context
GB and other supplements are not U.S. Food and Drug Administration (FDA) regulated. Their quality control may play a role in their effectiveness and adverse effect (AE) risk. Moreover, interactions of supplements with other medications, especially disease-modifying therapies for MS, are a clinical concern.
Low-Fat Diet with Omega-3 Fatty Acid Supplementation (Omega-3)
Omega-3 Practice Recommendation
Clinicians might counsel patients that a low-fat diet with fish oil supplementation is probably ineffective for reducing relapses, disability, or magnetic resonance imaging (MRI) lesions, or for improving fatigue or QOL in MS (Level B).
Lofepramine
Lofepramine Practice Recommendation
Clinicians might counsel patients with MS that lofepramine plus L-phenylalanine with vitamin B12 (Cari Loder regimen) is possibly ineffective for treating disability, symptoms, depression, or fatigue (Level C).
Reflexology
Reflexology Practice Recommendation
Clinicians might counsel patients with MS that reflexology is possibly effective for reducing paresthesia (Level C).
Bee Venom
Bee Venom Practice Recommendation
Clinicians might counsel patients with MS that bee sting therapy is possibly ineffective for reducing relapses, disability, fatigue, total MRI lesion burden, new gadolinium-enhancing lesion volume, or health-related quality of life (HRQOL) (Level C).
Clinical Context
Bee stings can be associated with anaphylactic reaction and possible death.
Magnetic Therapy
Magnetic Therapy Practice Recommendation
Clinicians might counsel patients with MS that magnetic therapy is probably effective for reducing fatigue (Level B) and probably ineffective for reducing depression (Level B).
Other CAM Therapies Practice Recommendation
Clinicians should counsel patients with MS that the safety and efficacy of other reviewed CAM, or the interaction of CAM with disease-modifying therapies for MS, are unknown (Level U).
Definitions:
Classification of Evidence for Therapeutic Interventions
Class I: A randomized, controlled clinical trial of the intervention of interest with masked or objective outcome assessment, in a representative population. Relevant baseline characteristics are presented and substantially equivalent among treatment groups or there is appropriate statistical adjustment for differences.
The following are also required:
- Concealed allocation
- Primary outcome(s) clearly defined
- Exclusion/inclusion criteria clearly defined
- Adequate accounting for drop-outs (with at least 80% of enrolled subjects completing the study) and cross-overs with numbers sufficiently low to have minimal potential for bias.
- For noninferiority or equivalence trials claiming to prove efficacy for one or both drugs, the following are also required*:
- The authors explicitly state the clinically meaningful difference to be excluded by defining the threshold for equivalence or noninferiority.
- The standard treatment used in the study is substantially similar to that used in previous studies establishing efficacy of the standard treatment (e.g., for a drug, the mode of administration, dose and dosage adjustments are similar to those previously shown to be effective).
- The inclusion and exclusion criteria for patient selection and the outcomes of patients on the standard treatment are comparable to those of previous studies establishing efficacy of the standard treatment.
- The interpretation of the results of the study is based upon a per protocol analysis that takes into account dropouts or crossovers.
Class II: A randomized controlled clinical trial of the intervention of interest in a representative population with masked or objective outcome assessment that lacks one criteria a-e above or a prospective matched cohort study with masked or objective outcome assessment in a representative population that meets b-e above. Relevant baseline characteristics are presented and substantially equivalent among treatment groups or there is appropriate statistical adjustment for differences.
Class III: All other controlled trials (including well-defined natural history controls or patients serving as own controls) in a representative population, where outcome is independently assessed, or independently derived by objective outcome measurement.**
Class IV: Studies not meeting Class I, II or III criteria including consensus or expert opinion.
*Note that numbers 1-3 in Class Ie are required for Class II in equivalence trials. If any one of the three is missing, the class is automatically downgraded to Class III.
**Objective outcome measurement: an outcome measure that is unlikely to be affected by an observer's (patient, treating physician, investigator) expectation or bias (e.g., blood tests, administrative outcome data).
Classification of Recommendations
Level A = Established as effective, ineffective, or harmful (or established as useful/predictive or not useful/predictive) for the given condition in the specified population. (Level A rating requires at least two consistent Class I studies.)*
Level B = Probably effective, ineffective, or harmful (or probably useful/predictive or not useful/predictive) for the given condition in the specified population. (Level B rating requires at least one Class I study or at least two consistent Class II studies.)
Level C = Possibly effective, ineffective, or harmful (or possibly useful/predictive or not useful/predictive) for the given condition in the specified population. (Level C rating requires at least one Class II study or two consistent Class III studies.)
Level U = Data inadequate or conflicting; given current knowledge, treatment (test, predictor) is unproven.
*In exceptional cases, one convincing Class I study may suffice for an "A" recommendation if 1) all criteria are met, 2) the magnitude of effect is large (relative rate improved outcome >5 and the lower limit of the confidence interval is >2).
Cannabinoids
Cannabinoid Practice Recommendations
Clinicians might offer oral cannabis extract (OCE) to patients with multiple sclerosis (MS) to reduce patient-reported symptoms of spasticity and pain (excluding central neuropathic pain) (Level A) and might counsel patients that this symptomatic benefit is possibly maintained for 1 year (Level C), although OCE is probably ineffective for improving objective spasticity measures (short-term) or tremor (Level B).
Clinicians might offer tetrahydrocannabinol (THC) to patients with MS to reduce patient-reported symptoms of spasticity and pain (excluding central neuropathic pain) (Level B). Clinicians might counsel patients that this symptomatic benefit is possibly maintained for 1 year (Level C), although THC is probably ineffective for improving objective spasticity measures (short-term) or tremor (Level B).
Clinicians might offer Sativex oromucosal cannabinoid spray (nabiximols), where available, to reduce symptoms of spasticity, pain, or urinary frequency, although it is probably ineffective for improving objective spasticity measures or number of urinary incontinence episodes (Level B).
Clinicians might choose not to offer Sativex oromucosal cannabinoid spray to reduce MS-related tremor (Level C).
Data are inadequate to support or refute use of the following in MS (Level U):
- OCE/THC for bladder urge incontinence and overall symptoms
- Synthetic THC (Marinol) for central neuropathic pain
- Sativex oromucosal cannabinoid spray for overall bladder symptoms, anxiety symptoms/sleep problems, cognitive symptoms, quality of life (QOL), and fatigue
- Smoked cannabis for spasticity, pain, balance/posture, and cognition
Data are inadequate to determine the abuse potential or effect on psychopathologic symptoms of Sativex cannabinoid spray (Level U).
Clinical Context
The cannabinoid studies have limitations that physicians and patients must be aware of. Most studies were of short duration (6 to 15 weeks). Another limitation was the potential for central side effects to unmask patients to treatment assignment — a concern with regard to all masked trials involving treatments with prominent side effects. It is also important to recognize that the Ashworth scale used for objective measurement may be insensitive to spasticity changes. These factors may contribute to the discordant effects of cannabinoids on subjective and objective spasticity measures.
Ginkgo Biloba (GB)
GB Practice Recommendations
Clinicians might counsel patients with MS that GB is established as ineffective for improving cognitive function (Level A).
Clinicians might counsel patients with MS that GB is possibly effective for reducing fatigue (Level C).
Clinical Context
GB and other supplements are not U.S. Food and Drug Administration (FDA) regulated. Their quality control may play a role in their effectiveness and adverse effect (AE) risk. Moreover, interactions of supplements with other medications, especially disease-modifying therapies for MS, are a clinical concern.
Low-Fat Diet with Omega-3 Fatty Acid Supplementation (Omega-3)
Omega-3 Practice Recommendation
Clinicians might counsel patients that a low-fat diet with fish oil supplementation is probably ineffective for reducing relapses, disability, or magnetic resonance imaging (MRI) lesions, or for improving fatigue or QOL in MS (Level B).
Lofepramine
Lofepramine Practice Recommendation
Clinicians might counsel patients with MS that lofepramine plus L-phenylalanine with vitamin B12 (Cari Loder regimen) is possibly ineffective for treating disability, symptoms, depression, or fatigue (Level C).
Reflexology
Reflexology Practice Recommendation
Clinicians might counsel patients with MS that reflexology is possibly effective for reducing paresthesia (Level C).
Bee Venom
Bee Venom Practice Recommendation
Clinicians might counsel patients with MS that bee sting therapy is possibly ineffective for reducing relapses, disability, fatigue, total MRI lesion burden, new gadolinium-enhancing lesion volume, or health-related quality of life (HRQOL) (Level C).
Clinical Context
Bee stings can be associated with anaphylactic reaction and possible death.
Magnetic Therapy
Magnetic Therapy Practice Recommendation
Clinicians might counsel patients with MS that magnetic therapy is probably effective for reducing fatigue (Level B) and probably ineffective for reducing depression (Level B).
Other CAM Therapies Practice Recommendation
Clinicians should counsel patients with MS that the safety and efficacy of other reviewed CAM, or the interaction of CAM with disease-modifying therapies for MS, are unknown (Level U).
Definitions:
Classification of Evidence for Therapeutic Interventions
Class I: A randomized, controlled clinical trial of the intervention of interest with masked or objective outcome assessment, in a representative population. Relevant baseline characteristics are presented and substantially equivalent among treatment groups or there is appropriate statistical adjustment for differences.
The following are also required:
- Concealed allocation
- Primary outcome(s) clearly defined
- Exclusion/inclusion criteria clearly defined
- Adequate accounting for drop-outs (with at least 80% of enrolled subjects completing the study) and cross-overs with numbers sufficiently low to have minimal potential for bias.
- For noninferiority or equivalence trials claiming to prove efficacy for one or both drugs, the following are also required*:
- The authors explicitly state the clinically meaningful difference to be excluded by defining the threshold for equivalence or noninferiority.
- The standard treatment used in the study is substantially similar to that used in previous studies establishing efficacy of the standard treatment (e.g., for a drug, the mode of administration, dose and dosage adjustments are similar to those previously shown to be effective).
- The inclusion and exclusion criteria for patient selection and the outcomes of patients on the standard treatment are comparable to those of previous studies establishing efficacy of the standard treatment.
- The interpretation of the results of the study is based upon a per protocol analysis that takes into account dropouts or crossovers.
Class II: A randomized controlled clinical trial of the intervention of interest in a representative population with masked or objective outcome assessment that lacks one criteria a-e above or a prospective matched cohort study with masked or objective outcome assessment in a representative population that meets b-e above. Relevant baseline characteristics are presented and substantially equivalent among treatment groups or there is appropriate statistical adjustment for differences.
Class III: All other controlled trials (including well-defined natural history controls or patients serving as own controls) in a representative population, where outcome is independently assessed, or independently derived by objective outcome measurement.**
Class IV: Studies not meeting Class I, II or III criteria including consensus or expert opinion.
*Note that numbers 1-3 in Class Ie are required for Class II in equivalence trials. If any one of the three is missing, the class is automatically downgraded to Class III.
**Objective outcome measurement: an outcome measure that is unlikely to be affected by an observer's (patient, treating physician, investigator) expectation or bias (e.g., blood tests, administrative outcome data).
Classification of Recommendations
Level A = Established as effective, ineffective, or harmful (or established as useful/predictive or not useful/predictive) for the given condition in the specified population. (Level A rating requires at least two consistent Class I studies.)*
Level B = Probably effective, ineffective, or harmful (or probably useful/predictive or not useful/predictive) for the given condition in the specified population. (Level B rating requires at least one Class I study or at least two consistent Class II studies.)
Level C = Possibly effective, ineffective, or harmful (or possibly useful/predictive or not useful/predictive) for the given condition in the specified population. (Level C rating requires at least one Class II study or two consistent Class III studies.)
Level U = Data inadequate or conflicting; given current knowledge, treatment (test, predictor) is unproven.
*In exceptional cases, one convincing Class I study may suffice for an "A" recommendation if 1) all criteria are met, 2) the magnitude of effect is large (relative rate improved outcome >5 and the lower limit of the confidence interval is >2).
OBJECTIVE:
To develop evidence-based recommendations for complementary and alternative medicine (CAM) in multiple sclerosis (MS).
METHODS:
We searched the literature (1970-March 2011; March 2011-September 2013 MEDLINE search), classified articles, and linked recommendations to evidence.
Guidelines are copyright © 2014 American Academy of Neurology. All rights reserved. The summary is provided by the Agency for Healthcare Research and Quality.
Robin Williams’s suspected suicide could encourage others to get help
The news last night was tragic: Robin Williams has died of an apparent suicide at the early age of 63. I saw the news and felt overwhelmingly sad. Really? He was a tremendous actor, a creative genius by any account, a man who I imagined had everything – talent, wealth, fame, the wonderful ability to make people laugh and to brighten lives. Such people also get draped with love and admiration, though certainly at a price. For what it’s worth, Robin Williams has been open about the fact that he’s struggled with both depression and addiction, but the complete story is never the one that gets told by the media.
Twitter started with 140-character links to suicide hotlines and suicide awareness, to statements about how depression is a treatable illness – Is it always? – and I hit retweet on a comment stating:" We’re never going to get anywhere till we take seriously that depression is an illness, not a weakness" and several people retweeted my retweet. I’m not sure why I did this; I don’t think that most people still think of mood disorders as a "weakness," or that those who do might change their minds because of a tweet. And I don’t think that suicide does anything to reduce stigma.
One psychiatrist friend tweeted a comment about how one should never ask someone why they are depressed, I guess because the "why?" implies something other than because biology dictated it, but if you’ve ever spoken to a person suffering from depression, you know that it comes in all shades of severity and that people often write a story to explain it. Sometimes that story is right: I’m depressed because of a breakup, or because I don’t have a job now, or because of ongoing work stress – and indeed, the person suffering often feels better after talking about the situation, after getting a new boyfriend or a new job, or after their boss moves to Zimbabwe.
I’m convinced that treatment works best when psychotherapy is combined with medication (if indicated), and while medicines are a miracle for some, they aren’t for others. As psychiatrists, we certainly see a good deal of treatment-resistant depression. And yes, the antipsychiatry faction may postulate that it is the treatment – the medications, specifically – that cause people to kill themselves and others, but I will leave you with the idea that the science just doesn’t support that. Certainly, they aren’t for everyone, but clinically, I have seen medications do more good than harm in clinical practice overall.
I know nothing about Robin Williams beyond what I’ve read in the media, and I know that the media reports are often incomplete and distorted. I do imagine that Mr. Williams had the resources to get good care and that he may well have had treatment for depression since he was open about his struggle. His story will be used to say: "Get help," and if you’re feeling suicidal and aren’t getting help, please do so. If you’re feeling suicidal and "help" isn’t making you feel better, please consider getting a second opinion or a different kind of help.
The tragic thing about suicide is that it’s a permanent answer to what is often a temporary problem.
Sometimes, I imagine that there are people who have tried and tried to get help and that their pain remains so unbearable for so long that suicide offers them the only possible relief – if such a thing is even to be had given that we don’t what comes next and some religions will say that suicide leads to nowhere good. Even if it provides relief to the person involved, it comes with the cost of leaving those who remain in horrible pain. Sadly, depressed people sometimes imagine that the world will be better off without them, and often that idea is just not true.
I hope that Robin Williams is in a better place, for his sake. I hope that before he ended his life, he tried every possible treatment option, and that this wasn’t an impulsive decision, or one based on an episodic relapse of either depression or substance abuse – a relapse that may have resolved and let him live for decades more. I hope his wife and children and all the people who knew and loved him will eventually find some peace. His death, however, is not simply a personal one because he touched us all with his talent and his charisma. What a tragic loss.
Dr. Miller also posted a version http://bit.ly/1kyO1a7 of this piece on the Shrink Rap News website. She is a coauthor of "Shrink Rap: Three Psychiatrists Explain Their Work" (Baltimore: the Johns Hopkins University Press, 2011).
The news last night was tragic: Robin Williams has died of an apparent suicide at the early age of 63. I saw the news and felt overwhelmingly sad. Really? He was a tremendous actor, a creative genius by any account, a man who I imagined had everything – talent, wealth, fame, the wonderful ability to make people laugh and to brighten lives. Such people also get draped with love and admiration, though certainly at a price. For what it’s worth, Robin Williams has been open about the fact that he’s struggled with both depression and addiction, but the complete story is never the one that gets told by the media.
Twitter started with 140-character links to suicide hotlines and suicide awareness, to statements about how depression is a treatable illness – Is it always? – and I hit retweet on a comment stating:" We’re never going to get anywhere till we take seriously that depression is an illness, not a weakness" and several people retweeted my retweet. I’m not sure why I did this; I don’t think that most people still think of mood disorders as a "weakness," or that those who do might change their minds because of a tweet. And I don’t think that suicide does anything to reduce stigma.
One psychiatrist friend tweeted a comment about how one should never ask someone why they are depressed, I guess because the "why?" implies something other than because biology dictated it, but if you’ve ever spoken to a person suffering from depression, you know that it comes in all shades of severity and that people often write a story to explain it. Sometimes that story is right: I’m depressed because of a breakup, or because I don’t have a job now, or because of ongoing work stress – and indeed, the person suffering often feels better after talking about the situation, after getting a new boyfriend or a new job, or after their boss moves to Zimbabwe.
I’m convinced that treatment works best when psychotherapy is combined with medication (if indicated), and while medicines are a miracle for some, they aren’t for others. As psychiatrists, we certainly see a good deal of treatment-resistant depression. And yes, the antipsychiatry faction may postulate that it is the treatment – the medications, specifically – that cause people to kill themselves and others, but I will leave you with the idea that the science just doesn’t support that. Certainly, they aren’t for everyone, but clinically, I have seen medications do more good than harm in clinical practice overall.
I know nothing about Robin Williams beyond what I’ve read in the media, and I know that the media reports are often incomplete and distorted. I do imagine that Mr. Williams had the resources to get good care and that he may well have had treatment for depression since he was open about his struggle. His story will be used to say: "Get help," and if you’re feeling suicidal and aren’t getting help, please do so. If you’re feeling suicidal and "help" isn’t making you feel better, please consider getting a second opinion or a different kind of help.
The tragic thing about suicide is that it’s a permanent answer to what is often a temporary problem.
Sometimes, I imagine that there are people who have tried and tried to get help and that their pain remains so unbearable for so long that suicide offers them the only possible relief – if such a thing is even to be had given that we don’t what comes next and some religions will say that suicide leads to nowhere good. Even if it provides relief to the person involved, it comes with the cost of leaving those who remain in horrible pain. Sadly, depressed people sometimes imagine that the world will be better off without them, and often that idea is just not true.
I hope that Robin Williams is in a better place, for his sake. I hope that before he ended his life, he tried every possible treatment option, and that this wasn’t an impulsive decision, or one based on an episodic relapse of either depression or substance abuse – a relapse that may have resolved and let him live for decades more. I hope his wife and children and all the people who knew and loved him will eventually find some peace. His death, however, is not simply a personal one because he touched us all with his talent and his charisma. What a tragic loss.
Dr. Miller also posted a version http://bit.ly/1kyO1a7 of this piece on the Shrink Rap News website. She is a coauthor of "Shrink Rap: Three Psychiatrists Explain Their Work" (Baltimore: the Johns Hopkins University Press, 2011).
The news last night was tragic: Robin Williams has died of an apparent suicide at the early age of 63. I saw the news and felt overwhelmingly sad. Really? He was a tremendous actor, a creative genius by any account, a man who I imagined had everything – talent, wealth, fame, the wonderful ability to make people laugh and to brighten lives. Such people also get draped with love and admiration, though certainly at a price. For what it’s worth, Robin Williams has been open about the fact that he’s struggled with both depression and addiction, but the complete story is never the one that gets told by the media.
Twitter started with 140-character links to suicide hotlines and suicide awareness, to statements about how depression is a treatable illness – Is it always? – and I hit retweet on a comment stating:" We’re never going to get anywhere till we take seriously that depression is an illness, not a weakness" and several people retweeted my retweet. I’m not sure why I did this; I don’t think that most people still think of mood disorders as a "weakness," or that those who do might change their minds because of a tweet. And I don’t think that suicide does anything to reduce stigma.
One psychiatrist friend tweeted a comment about how one should never ask someone why they are depressed, I guess because the "why?" implies something other than because biology dictated it, but if you’ve ever spoken to a person suffering from depression, you know that it comes in all shades of severity and that people often write a story to explain it. Sometimes that story is right: I’m depressed because of a breakup, or because I don’t have a job now, or because of ongoing work stress – and indeed, the person suffering often feels better after talking about the situation, after getting a new boyfriend or a new job, or after their boss moves to Zimbabwe.
I’m convinced that treatment works best when psychotherapy is combined with medication (if indicated), and while medicines are a miracle for some, they aren’t for others. As psychiatrists, we certainly see a good deal of treatment-resistant depression. And yes, the antipsychiatry faction may postulate that it is the treatment – the medications, specifically – that cause people to kill themselves and others, but I will leave you with the idea that the science just doesn’t support that. Certainly, they aren’t for everyone, but clinically, I have seen medications do more good than harm in clinical practice overall.
I know nothing about Robin Williams beyond what I’ve read in the media, and I know that the media reports are often incomplete and distorted. I do imagine that Mr. Williams had the resources to get good care and that he may well have had treatment for depression since he was open about his struggle. His story will be used to say: "Get help," and if you’re feeling suicidal and aren’t getting help, please do so. If you’re feeling suicidal and "help" isn’t making you feel better, please consider getting a second opinion or a different kind of help.
The tragic thing about suicide is that it’s a permanent answer to what is often a temporary problem.
Sometimes, I imagine that there are people who have tried and tried to get help and that their pain remains so unbearable for so long that suicide offers them the only possible relief – if such a thing is even to be had given that we don’t what comes next and some religions will say that suicide leads to nowhere good. Even if it provides relief to the person involved, it comes with the cost of leaving those who remain in horrible pain. Sadly, depressed people sometimes imagine that the world will be better off without them, and often that idea is just not true.
I hope that Robin Williams is in a better place, for his sake. I hope that before he ended his life, he tried every possible treatment option, and that this wasn’t an impulsive decision, or one based on an episodic relapse of either depression or substance abuse – a relapse that may have resolved and let him live for decades more. I hope his wife and children and all the people who knew and loved him will eventually find some peace. His death, however, is not simply a personal one because he touched us all with his talent and his charisma. What a tragic loss.
Dr. Miller also posted a version http://bit.ly/1kyO1a7 of this piece on the Shrink Rap News website. She is a coauthor of "Shrink Rap: Three Psychiatrists Explain Their Work" (Baltimore: the Johns Hopkins University Press, 2011).