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Large prospective trial offers reassurance for long-term PPI use
Aside from a possible increased risk of enteric infections, long-term use of the proton pump inhibitor (PPI) pantoprazole appears safe in patients with stable atherosclerotic vascular disease, according to a prospective trial involving more than 17,000 participants.
In contrast with published observational studies, the present trial found no associations between long-term PPI use and previously reported risks such as pneumonia, fracture, or cerebrovascular events, according to lead author Paul Moayyedi, MB ChB, PhD, of McMaster University in Hamilton, Ont., and colleagues.
“To our knowledge, this is the largest PPI trial for any indication and the first prospective randomized trial to evaluate the many long-term safety concerns related to PPI therapy,” the investigators wrote in Gastroenterology. “It is reassuring that there was no evidence for harm for most of these events other than an excess of enteric infections.”
“Given how commonly acid suppressive medications are used, it is important to ensure that this class of drugs is safe,” the investigators wrote. They noted that patients are often alarmed by “sensational headlines” about PPI safety. “There are balancing articles that more carefully discuss the risks and benefits of taking PPI therapy but these receive less media attention,” the investigators added.
The present, prospective trial, COMPASS, involved 17,598 participants from 33 countries with stable peripheral artery disease and cardiovascular disease. “We use the term participants, rather than patients, as not all of those taking part in this research would have been patients throughout the trial but all participated in the randomized controlled trial,” the investigators wrote.
In addition to evaluating the safety of pantoprazole, the study was initially designed to measure the efficacy of pantoprazole for preventing upper gastrointestinal events in participants taking rivaroxaban and/or aspirin, which, in combination, were recently shown to reduce cardiovascular outcomes among patients with stable cardiovascular conditions. As such, participants in the trial were randomized to one of three groups: 100-mg aspirin once daily, 5-mg rivaroxaban twice daily, or 2.5-mg rivaroxaban twice daily combined with 100-mg aspirin once daily. The primary efficacy outcomes for these three groups were stroke, myocardial infarction, and cardiovascular death. This portion of the trial was discontinued early because of evidence that showed the superiority of combination therapy over aspirin alone; however, the pantoprazole component of the trial continued, as planned, for 3 years.
At baseline, about two-thirds of participants (64%) were not taking a PPI, requiring randomization to either 40-mg pantoprazole once daily or matching placebo. Pantoprazole safety outcomes centered on those previously reported by observational studies, including dementia, chronic kidney disease, gastric atrophy, fracture, cancer, pneumonia, diabetes mellitus, chronic obstructive lung disease, Clostrididoides difficile infection, and other enteric infections. Hospitalization rates for noncardiovascular and cardiovascular events were also reported. Data were gathered via questionnaires, which were conducted every 6 months.
Most patients in the trial (78%) were male, and 23% were current smokers. Smaller proportions of the population were taking an NSAID (5%) and/or had a history of peptic ulcer disease (2.6%). The median follow-up was 3.01 years, ranging from 2.49 to 3.59 years. Permanent discontinuations occurred at approximately equal rates in the pantoprazole (21%) and placebo (22%) group after a median of 11 months (338 days). In both groups, more than 96% of participants who continued treatment took their medications as prescribed at least 80% of the time.
Analysis of cardiovascular outcomes revealed no significant differences between placebo and pantoprazole groups. Of all the evaluated safety measures, only enteric infections differed significantly between groups, occurring at a higher rate in the pantoprazole group than in the placebo group (1.4% vs. 1.0%; odds ratio, 1.33; 95% confidence interval, 1.01-1.75). Although C. difficile infection was more common among pantoprazole users, only 13 such events occurred, precluding statistical significance.
According to the investigators, these findings should offer reassurance to PPI prescribers and users; they noted that previous findings from observational studies warrant skepticism. “A significant proportion of patients are prescribed PPI therapy inappropriately, and in these cases, it is reasonable to advocate strategies to discontinue acid suppression. However, when there is a clinical need for PPI therapy, these data suggest that the benefits are likely to outweigh any putative risks.”
In regard to the possible increased risk of enteric infection, the investigators again urged a conservative interpretation, as the increased rate of enteric infection among PPI users was still lower than rates reported by systematic reviews. “The data in the current randomized trial were not adjusted for multiple testing so this result should be interpreted with caution,” the investigators wrote. Although acid suppression may allow for increased ingestion of pathogenic organisms, which could theoretically increase the risk of enteric infection, the investigators stated that the benefits of PPIs likely outweigh their risks.
The COMPASS trial was funded by Bayer AG. The investigators disclosed additional relationships with Bayer, Allergan, Takeda, Janssen, and others.
SOURCE: Moayyedi P et al. Gastro. 2019 May 29. doi: 10.1053/j.gastro.2019.05.056.
Aside from a possible increased risk of enteric infections, long-term use of the proton pump inhibitor (PPI) pantoprazole appears safe in patients with stable atherosclerotic vascular disease, according to a prospective trial involving more than 17,000 participants.
In contrast with published observational studies, the present trial found no associations between long-term PPI use and previously reported risks such as pneumonia, fracture, or cerebrovascular events, according to lead author Paul Moayyedi, MB ChB, PhD, of McMaster University in Hamilton, Ont., and colleagues.
“To our knowledge, this is the largest PPI trial for any indication and the first prospective randomized trial to evaluate the many long-term safety concerns related to PPI therapy,” the investigators wrote in Gastroenterology. “It is reassuring that there was no evidence for harm for most of these events other than an excess of enteric infections.”
“Given how commonly acid suppressive medications are used, it is important to ensure that this class of drugs is safe,” the investigators wrote. They noted that patients are often alarmed by “sensational headlines” about PPI safety. “There are balancing articles that more carefully discuss the risks and benefits of taking PPI therapy but these receive less media attention,” the investigators added.
The present, prospective trial, COMPASS, involved 17,598 participants from 33 countries with stable peripheral artery disease and cardiovascular disease. “We use the term participants, rather than patients, as not all of those taking part in this research would have been patients throughout the trial but all participated in the randomized controlled trial,” the investigators wrote.
In addition to evaluating the safety of pantoprazole, the study was initially designed to measure the efficacy of pantoprazole for preventing upper gastrointestinal events in participants taking rivaroxaban and/or aspirin, which, in combination, were recently shown to reduce cardiovascular outcomes among patients with stable cardiovascular conditions. As such, participants in the trial were randomized to one of three groups: 100-mg aspirin once daily, 5-mg rivaroxaban twice daily, or 2.5-mg rivaroxaban twice daily combined with 100-mg aspirin once daily. The primary efficacy outcomes for these three groups were stroke, myocardial infarction, and cardiovascular death. This portion of the trial was discontinued early because of evidence that showed the superiority of combination therapy over aspirin alone; however, the pantoprazole component of the trial continued, as planned, for 3 years.
At baseline, about two-thirds of participants (64%) were not taking a PPI, requiring randomization to either 40-mg pantoprazole once daily or matching placebo. Pantoprazole safety outcomes centered on those previously reported by observational studies, including dementia, chronic kidney disease, gastric atrophy, fracture, cancer, pneumonia, diabetes mellitus, chronic obstructive lung disease, Clostrididoides difficile infection, and other enteric infections. Hospitalization rates for noncardiovascular and cardiovascular events were also reported. Data were gathered via questionnaires, which were conducted every 6 months.
Most patients in the trial (78%) were male, and 23% were current smokers. Smaller proportions of the population were taking an NSAID (5%) and/or had a history of peptic ulcer disease (2.6%). The median follow-up was 3.01 years, ranging from 2.49 to 3.59 years. Permanent discontinuations occurred at approximately equal rates in the pantoprazole (21%) and placebo (22%) group after a median of 11 months (338 days). In both groups, more than 96% of participants who continued treatment took their medications as prescribed at least 80% of the time.
Analysis of cardiovascular outcomes revealed no significant differences between placebo and pantoprazole groups. Of all the evaluated safety measures, only enteric infections differed significantly between groups, occurring at a higher rate in the pantoprazole group than in the placebo group (1.4% vs. 1.0%; odds ratio, 1.33; 95% confidence interval, 1.01-1.75). Although C. difficile infection was more common among pantoprazole users, only 13 such events occurred, precluding statistical significance.
According to the investigators, these findings should offer reassurance to PPI prescribers and users; they noted that previous findings from observational studies warrant skepticism. “A significant proportion of patients are prescribed PPI therapy inappropriately, and in these cases, it is reasonable to advocate strategies to discontinue acid suppression. However, when there is a clinical need for PPI therapy, these data suggest that the benefits are likely to outweigh any putative risks.”
In regard to the possible increased risk of enteric infection, the investigators again urged a conservative interpretation, as the increased rate of enteric infection among PPI users was still lower than rates reported by systematic reviews. “The data in the current randomized trial were not adjusted for multiple testing so this result should be interpreted with caution,” the investigators wrote. Although acid suppression may allow for increased ingestion of pathogenic organisms, which could theoretically increase the risk of enteric infection, the investigators stated that the benefits of PPIs likely outweigh their risks.
The COMPASS trial was funded by Bayer AG. The investigators disclosed additional relationships with Bayer, Allergan, Takeda, Janssen, and others.
SOURCE: Moayyedi P et al. Gastro. 2019 May 29. doi: 10.1053/j.gastro.2019.05.056.
Aside from a possible increased risk of enteric infections, long-term use of the proton pump inhibitor (PPI) pantoprazole appears safe in patients with stable atherosclerotic vascular disease, according to a prospective trial involving more than 17,000 participants.
In contrast with published observational studies, the present trial found no associations between long-term PPI use and previously reported risks such as pneumonia, fracture, or cerebrovascular events, according to lead author Paul Moayyedi, MB ChB, PhD, of McMaster University in Hamilton, Ont., and colleagues.
“To our knowledge, this is the largest PPI trial for any indication and the first prospective randomized trial to evaluate the many long-term safety concerns related to PPI therapy,” the investigators wrote in Gastroenterology. “It is reassuring that there was no evidence for harm for most of these events other than an excess of enteric infections.”
“Given how commonly acid suppressive medications are used, it is important to ensure that this class of drugs is safe,” the investigators wrote. They noted that patients are often alarmed by “sensational headlines” about PPI safety. “There are balancing articles that more carefully discuss the risks and benefits of taking PPI therapy but these receive less media attention,” the investigators added.
The present, prospective trial, COMPASS, involved 17,598 participants from 33 countries with stable peripheral artery disease and cardiovascular disease. “We use the term participants, rather than patients, as not all of those taking part in this research would have been patients throughout the trial but all participated in the randomized controlled trial,” the investigators wrote.
In addition to evaluating the safety of pantoprazole, the study was initially designed to measure the efficacy of pantoprazole for preventing upper gastrointestinal events in participants taking rivaroxaban and/or aspirin, which, in combination, were recently shown to reduce cardiovascular outcomes among patients with stable cardiovascular conditions. As such, participants in the trial were randomized to one of three groups: 100-mg aspirin once daily, 5-mg rivaroxaban twice daily, or 2.5-mg rivaroxaban twice daily combined with 100-mg aspirin once daily. The primary efficacy outcomes for these three groups were stroke, myocardial infarction, and cardiovascular death. This portion of the trial was discontinued early because of evidence that showed the superiority of combination therapy over aspirin alone; however, the pantoprazole component of the trial continued, as planned, for 3 years.
At baseline, about two-thirds of participants (64%) were not taking a PPI, requiring randomization to either 40-mg pantoprazole once daily or matching placebo. Pantoprazole safety outcomes centered on those previously reported by observational studies, including dementia, chronic kidney disease, gastric atrophy, fracture, cancer, pneumonia, diabetes mellitus, chronic obstructive lung disease, Clostrididoides difficile infection, and other enteric infections. Hospitalization rates for noncardiovascular and cardiovascular events were also reported. Data were gathered via questionnaires, which were conducted every 6 months.
Most patients in the trial (78%) were male, and 23% were current smokers. Smaller proportions of the population were taking an NSAID (5%) and/or had a history of peptic ulcer disease (2.6%). The median follow-up was 3.01 years, ranging from 2.49 to 3.59 years. Permanent discontinuations occurred at approximately equal rates in the pantoprazole (21%) and placebo (22%) group after a median of 11 months (338 days). In both groups, more than 96% of participants who continued treatment took their medications as prescribed at least 80% of the time.
Analysis of cardiovascular outcomes revealed no significant differences between placebo and pantoprazole groups. Of all the evaluated safety measures, only enteric infections differed significantly between groups, occurring at a higher rate in the pantoprazole group than in the placebo group (1.4% vs. 1.0%; odds ratio, 1.33; 95% confidence interval, 1.01-1.75). Although C. difficile infection was more common among pantoprazole users, only 13 such events occurred, precluding statistical significance.
According to the investigators, these findings should offer reassurance to PPI prescribers and users; they noted that previous findings from observational studies warrant skepticism. “A significant proportion of patients are prescribed PPI therapy inappropriately, and in these cases, it is reasonable to advocate strategies to discontinue acid suppression. However, when there is a clinical need for PPI therapy, these data suggest that the benefits are likely to outweigh any putative risks.”
In regard to the possible increased risk of enteric infection, the investigators again urged a conservative interpretation, as the increased rate of enteric infection among PPI users was still lower than rates reported by systematic reviews. “The data in the current randomized trial were not adjusted for multiple testing so this result should be interpreted with caution,” the investigators wrote. Although acid suppression may allow for increased ingestion of pathogenic organisms, which could theoretically increase the risk of enteric infection, the investigators stated that the benefits of PPIs likely outweigh their risks.
The COMPASS trial was funded by Bayer AG. The investigators disclosed additional relationships with Bayer, Allergan, Takeda, Janssen, and others.
SOURCE: Moayyedi P et al. Gastro. 2019 May 29. doi: 10.1053/j.gastro.2019.05.056.
FROM GASTROENTEROLOGY
Key clinical point: Aside from a possible increased risk of enteric infections, long-term use of pantoprazole is safe in patients with stable peripheral artery and cardiovascular disease.
Major finding: Enteric infections were 33% more common in the pantoprazole group than in the placebo group.
Study details: A placebo-controlled, double-blind, randomized trial involving 17,598 patients with stable peripheral artery disease and cardiovascular disease.
Disclosures: The COMPASS trial was funded by Bayer AG. The investigators disclosed relationships with Bayer, Allergan, Takeda, Janssen, and others.
Source: Moayyedi P et al. Gastroenterology. 2019 May 29. doi: 10.1053/j.gastro.2019.05.056.
Clopidogrel matches aspirin for reducing risk of colorectal cancer
Clopidogrel appears to reduce the risk of colorectal cancer (CRC) as much as low-dose aspirin, based on a case-control study involving more than 15,000 cases.
Source: American Gastroenterological Association
Risk of CRC was reduced by 20%-30% when clopidogrel was given alone or in combination with aspirin, reported lead author Antonio Rodríguez-Miguel of Príncipe de Asturias University Hospital in Madrid and colleagues. This finding adds support to the hypothesis that low-dose aspirin is chemoprotective primarily because of its antiplatelet properties, they noted.
“The mechanism of action of low-dose aspirin to explain its protective effect is subject to debate,” the investigators wrote in Clinical Gastroenterology and Hepatology. “Although aspirin is a nonsteroidal anti-inflammatory drug (NSAID) and these drugs are known to prevent CRC through the inhibition of cyclooxygenase (COX)-2 in epithelial and stromal cells in the large bowel, at low doses (75-300 mg/d) aspirin has only transient effects on this isozyme, while permanently inactivating platelet COX-1 and suppressing thromboxane A2 production. The apparent lack of dose-dependence of the chemoprotective effect of aspirin, as well as the potential role of locally activated platelets in upregulating COX-2 expression in adjacent nucleated cells of the intestinal mucosa, have led [to] the postulation that low-dose aspirin could exert its chemoprotective effect via its antiplatelet action.”
Although previous studies have explored the chemoprotective potential of other antiplatelet agents, such as clopidogrel, the resultant body of evidence remains small. In 2017, for example, Avi Leader, MD, and colleagues reported that the chemoprotective effect of dual-antiplatelet therapy (DAPT) with clopidogrel and aspirin was superior to aspirin monotherapy, based on an additional 8% risk reduction. The present study aimed to build on such findings with evaluation of a Mediterranean cohort, which could reduce confounding lifestyle factors, owing to a lower rate of cardiovascular morbidity than other populations.
The nested, case-control study involved 15,491 cases of CRC and 60,000 controls who were randomly selected and frequency matched by sex, age, and year of indexing. Data were drawn from Base de datos para la Investigación Farmacoepidemiológica en Atención Primaria (BIFAP), a Spanish medical record database with more than 7 million patients. Records of patients involved in the present study were screened for prescription of three antiplatelet agents: low-dose aspirin, clopidogrel, and triflusal. Additional categorization identified current users, recent users, past users, and nonusers. The effects of clopidogrel and aspirin were evaluated separately, as monotherapies, and together, as DAPT.
Demographically, the mean age of the entire study population was 68.6 years, with a slight male predominance (59%). Median follow-up was similar between cases and controls, at approximately 3 years, ranging from about 1.5 to 6 years. Cases showed higher rates of gout, alcohol abuse, acute digestive diseases, and peripheral artery disease, whereas controls were more likely to have histories involving stroke, acute myocardial infarction, chronic digestive diseases, and constipation.
Controls were more likely to be current aspirin users than patients diagnosed with CRC (12.8% vs. 12.2%), giving an associated adjusted odds ratio (AOR) of 0.83. Risk reduction became statistically apparent after 180 days of aspirin usage, with an AOR of 0.79, and more prominent in the 1- to 3-year range, with an AOR of 0.73. This chemoprotective effect faded rapidly with discontinuation.
Current clopidogrel usage led to a comparable level of risk reduction, with an AOR of 0.80. It wasn’t until a year of continuous clopidogrel monotherapy that risk reduction became statistically significant, with an AOR of 0.65, which dropped to 0.57 between years 1 and 3.
Turning to a matched comparison of aspirin or clopidogrel monotherapy versus DAPT, the investigators found similar rates of chemoprotection. Current aspirin usage of any duration offered an adjusted risk reduction of 17%, compared with 25% for clopidogrel, and 29% for DAPT. Beyond 1 year of continuous and current usage, the superiority of DAPT was called into question, as clopidogrel monotherapy offered the greatest risk reduction, at 37%, compared with 22% for aspirin, and 22% for DAPT. Risk analyses involving triflusal lacked statistical significance.
“The results of the present study are compatible with a chemoprotective effect of clopidogrel against CRC, equivalent in magnitude to the one observed for low-dose aspirin,” the investigators wrote. “This finding indirectly supports the hypothesis that the chemoprotective effect of low-dose aspirin is mediated mostly through the permanent inactivation of platelet COX-1.”
The investigators pointed out that the chemoprotective effects of antiplatelet therapy begin to appear early in treatment, independently from lifestyle factors, but risk reduction depends on current usage. Although short-term usage of either aspirin or clopidogrel was associated with an increased risk of CRC, the investigators suggested that this was more likely a perceived risk rather than an actual one. “In our view, this observation could be explained in part by a detection bias, owing to an increased risk of GI bleeding induced by antiplatelet agents that could lead to a greater number of colonoscopies, and, as a result, an early cancer diagnosis,” they wrote.
The study was funded by the Fundación Instituto Teófilo Hernando. Dr. García-Rodríguez disclosed a relationship with CEIFE, which has received funding from Bayer and AstraZeneca.
SOURCE: Rodríguez-Miguel et al. Clin Gastrenterol Hepatol. 2018 Dec 20. doi: 10.1016/j.cgh.2018.12.012.
The role of aspirin in reducing the risk of colorectal cancer is well established, although the mechanisms of actions are not entirely clear. One possible mechanism is through inhibition of the cyclooxygenase-1 (COX-1) pathway. The authors investigated the role of aspirin but also clopidogrel, another antiplatelet drug that works through inhibition of the COX-1 pathway in reducing the risk of CRC in a case-control study from Spain. CRC cases were randomly matched with cancer-free controls, and the use of aspirin and clopidogrel as a risk factor for CRC was studied. Not surprisingly, aspirin use was associated with reduced risk of CRC by 17%, However, what’s new is that the use of clopidogrel was associated with reduced risk of CRC by 20% also but use of dual therapy (aspirin plus clopidogrel) did not confer additional benefit. The results did not differ by patient age or sex. The caveat is that history of CRC screening or colonoscopy was not known for cases or controls, and many other confounders, such as diet, exercise, and other lifestyle and medication history that may account for the differences could not be easily teased apart. If confirmed by others, these data suggest an additional beneficial effect of antiplatelet agent clopidogrel in reducing risk of CRC, if taken for more than 1 year. The study opens the door to exploring mechanisms by which antiplatelet agents may reduce risk of CRC, and the potential role of other antiplatelet agents in reducing risk of CRC.
Aasma Shaukat, MD, MPH, GI section chief Minneapolis VAMC and professor of medicine, University of Minnesota, Minneapolis. She has no conflicts of interest.
The role of aspirin in reducing the risk of colorectal cancer is well established, although the mechanisms of actions are not entirely clear. One possible mechanism is through inhibition of the cyclooxygenase-1 (COX-1) pathway. The authors investigated the role of aspirin but also clopidogrel, another antiplatelet drug that works through inhibition of the COX-1 pathway in reducing the risk of CRC in a case-control study from Spain. CRC cases were randomly matched with cancer-free controls, and the use of aspirin and clopidogrel as a risk factor for CRC was studied. Not surprisingly, aspirin use was associated with reduced risk of CRC by 17%, However, what’s new is that the use of clopidogrel was associated with reduced risk of CRC by 20% also but use of dual therapy (aspirin plus clopidogrel) did not confer additional benefit. The results did not differ by patient age or sex. The caveat is that history of CRC screening or colonoscopy was not known for cases or controls, and many other confounders, such as diet, exercise, and other lifestyle and medication history that may account for the differences could not be easily teased apart. If confirmed by others, these data suggest an additional beneficial effect of antiplatelet agent clopidogrel in reducing risk of CRC, if taken for more than 1 year. The study opens the door to exploring mechanisms by which antiplatelet agents may reduce risk of CRC, and the potential role of other antiplatelet agents in reducing risk of CRC.
Aasma Shaukat, MD, MPH, GI section chief Minneapolis VAMC and professor of medicine, University of Minnesota, Minneapolis. She has no conflicts of interest.
The role of aspirin in reducing the risk of colorectal cancer is well established, although the mechanisms of actions are not entirely clear. One possible mechanism is through inhibition of the cyclooxygenase-1 (COX-1) pathway. The authors investigated the role of aspirin but also clopidogrel, another antiplatelet drug that works through inhibition of the COX-1 pathway in reducing the risk of CRC in a case-control study from Spain. CRC cases were randomly matched with cancer-free controls, and the use of aspirin and clopidogrel as a risk factor for CRC was studied. Not surprisingly, aspirin use was associated with reduced risk of CRC by 17%, However, what’s new is that the use of clopidogrel was associated with reduced risk of CRC by 20% also but use of dual therapy (aspirin plus clopidogrel) did not confer additional benefit. The results did not differ by patient age or sex. The caveat is that history of CRC screening or colonoscopy was not known for cases or controls, and many other confounders, such as diet, exercise, and other lifestyle and medication history that may account for the differences could not be easily teased apart. If confirmed by others, these data suggest an additional beneficial effect of antiplatelet agent clopidogrel in reducing risk of CRC, if taken for more than 1 year. The study opens the door to exploring mechanisms by which antiplatelet agents may reduce risk of CRC, and the potential role of other antiplatelet agents in reducing risk of CRC.
Aasma Shaukat, MD, MPH, GI section chief Minneapolis VAMC and professor of medicine, University of Minnesota, Minneapolis. She has no conflicts of interest.
Clopidogrel appears to reduce the risk of colorectal cancer (CRC) as much as low-dose aspirin, based on a case-control study involving more than 15,000 cases.
Source: American Gastroenterological Association
Risk of CRC was reduced by 20%-30% when clopidogrel was given alone or in combination with aspirin, reported lead author Antonio Rodríguez-Miguel of Príncipe de Asturias University Hospital in Madrid and colleagues. This finding adds support to the hypothesis that low-dose aspirin is chemoprotective primarily because of its antiplatelet properties, they noted.
“The mechanism of action of low-dose aspirin to explain its protective effect is subject to debate,” the investigators wrote in Clinical Gastroenterology and Hepatology. “Although aspirin is a nonsteroidal anti-inflammatory drug (NSAID) and these drugs are known to prevent CRC through the inhibition of cyclooxygenase (COX)-2 in epithelial and stromal cells in the large bowel, at low doses (75-300 mg/d) aspirin has only transient effects on this isozyme, while permanently inactivating platelet COX-1 and suppressing thromboxane A2 production. The apparent lack of dose-dependence of the chemoprotective effect of aspirin, as well as the potential role of locally activated platelets in upregulating COX-2 expression in adjacent nucleated cells of the intestinal mucosa, have led [to] the postulation that low-dose aspirin could exert its chemoprotective effect via its antiplatelet action.”
Although previous studies have explored the chemoprotective potential of other antiplatelet agents, such as clopidogrel, the resultant body of evidence remains small. In 2017, for example, Avi Leader, MD, and colleagues reported that the chemoprotective effect of dual-antiplatelet therapy (DAPT) with clopidogrel and aspirin was superior to aspirin monotherapy, based on an additional 8% risk reduction. The present study aimed to build on such findings with evaluation of a Mediterranean cohort, which could reduce confounding lifestyle factors, owing to a lower rate of cardiovascular morbidity than other populations.
The nested, case-control study involved 15,491 cases of CRC and 60,000 controls who were randomly selected and frequency matched by sex, age, and year of indexing. Data were drawn from Base de datos para la Investigación Farmacoepidemiológica en Atención Primaria (BIFAP), a Spanish medical record database with more than 7 million patients. Records of patients involved in the present study were screened for prescription of three antiplatelet agents: low-dose aspirin, clopidogrel, and triflusal. Additional categorization identified current users, recent users, past users, and nonusers. The effects of clopidogrel and aspirin were evaluated separately, as monotherapies, and together, as DAPT.
Demographically, the mean age of the entire study population was 68.6 years, with a slight male predominance (59%). Median follow-up was similar between cases and controls, at approximately 3 years, ranging from about 1.5 to 6 years. Cases showed higher rates of gout, alcohol abuse, acute digestive diseases, and peripheral artery disease, whereas controls were more likely to have histories involving stroke, acute myocardial infarction, chronic digestive diseases, and constipation.
Controls were more likely to be current aspirin users than patients diagnosed with CRC (12.8% vs. 12.2%), giving an associated adjusted odds ratio (AOR) of 0.83. Risk reduction became statistically apparent after 180 days of aspirin usage, with an AOR of 0.79, and more prominent in the 1- to 3-year range, with an AOR of 0.73. This chemoprotective effect faded rapidly with discontinuation.
Current clopidogrel usage led to a comparable level of risk reduction, with an AOR of 0.80. It wasn’t until a year of continuous clopidogrel monotherapy that risk reduction became statistically significant, with an AOR of 0.65, which dropped to 0.57 between years 1 and 3.
Turning to a matched comparison of aspirin or clopidogrel monotherapy versus DAPT, the investigators found similar rates of chemoprotection. Current aspirin usage of any duration offered an adjusted risk reduction of 17%, compared with 25% for clopidogrel, and 29% for DAPT. Beyond 1 year of continuous and current usage, the superiority of DAPT was called into question, as clopidogrel monotherapy offered the greatest risk reduction, at 37%, compared with 22% for aspirin, and 22% for DAPT. Risk analyses involving triflusal lacked statistical significance.
“The results of the present study are compatible with a chemoprotective effect of clopidogrel against CRC, equivalent in magnitude to the one observed for low-dose aspirin,” the investigators wrote. “This finding indirectly supports the hypothesis that the chemoprotective effect of low-dose aspirin is mediated mostly through the permanent inactivation of platelet COX-1.”
The investigators pointed out that the chemoprotective effects of antiplatelet therapy begin to appear early in treatment, independently from lifestyle factors, but risk reduction depends on current usage. Although short-term usage of either aspirin or clopidogrel was associated with an increased risk of CRC, the investigators suggested that this was more likely a perceived risk rather than an actual one. “In our view, this observation could be explained in part by a detection bias, owing to an increased risk of GI bleeding induced by antiplatelet agents that could lead to a greater number of colonoscopies, and, as a result, an early cancer diagnosis,” they wrote.
The study was funded by the Fundación Instituto Teófilo Hernando. Dr. García-Rodríguez disclosed a relationship with CEIFE, which has received funding from Bayer and AstraZeneca.
SOURCE: Rodríguez-Miguel et al. Clin Gastrenterol Hepatol. 2018 Dec 20. doi: 10.1016/j.cgh.2018.12.012.
Clopidogrel appears to reduce the risk of colorectal cancer (CRC) as much as low-dose aspirin, based on a case-control study involving more than 15,000 cases.
Source: American Gastroenterological Association
Risk of CRC was reduced by 20%-30% when clopidogrel was given alone or in combination with aspirin, reported lead author Antonio Rodríguez-Miguel of Príncipe de Asturias University Hospital in Madrid and colleagues. This finding adds support to the hypothesis that low-dose aspirin is chemoprotective primarily because of its antiplatelet properties, they noted.
“The mechanism of action of low-dose aspirin to explain its protective effect is subject to debate,” the investigators wrote in Clinical Gastroenterology and Hepatology. “Although aspirin is a nonsteroidal anti-inflammatory drug (NSAID) and these drugs are known to prevent CRC through the inhibition of cyclooxygenase (COX)-2 in epithelial and stromal cells in the large bowel, at low doses (75-300 mg/d) aspirin has only transient effects on this isozyme, while permanently inactivating platelet COX-1 and suppressing thromboxane A2 production. The apparent lack of dose-dependence of the chemoprotective effect of aspirin, as well as the potential role of locally activated platelets in upregulating COX-2 expression in adjacent nucleated cells of the intestinal mucosa, have led [to] the postulation that low-dose aspirin could exert its chemoprotective effect via its antiplatelet action.”
Although previous studies have explored the chemoprotective potential of other antiplatelet agents, such as clopidogrel, the resultant body of evidence remains small. In 2017, for example, Avi Leader, MD, and colleagues reported that the chemoprotective effect of dual-antiplatelet therapy (DAPT) with clopidogrel and aspirin was superior to aspirin monotherapy, based on an additional 8% risk reduction. The present study aimed to build on such findings with evaluation of a Mediterranean cohort, which could reduce confounding lifestyle factors, owing to a lower rate of cardiovascular morbidity than other populations.
The nested, case-control study involved 15,491 cases of CRC and 60,000 controls who were randomly selected and frequency matched by sex, age, and year of indexing. Data were drawn from Base de datos para la Investigación Farmacoepidemiológica en Atención Primaria (BIFAP), a Spanish medical record database with more than 7 million patients. Records of patients involved in the present study were screened for prescription of three antiplatelet agents: low-dose aspirin, clopidogrel, and triflusal. Additional categorization identified current users, recent users, past users, and nonusers. The effects of clopidogrel and aspirin were evaluated separately, as monotherapies, and together, as DAPT.
Demographically, the mean age of the entire study population was 68.6 years, with a slight male predominance (59%). Median follow-up was similar between cases and controls, at approximately 3 years, ranging from about 1.5 to 6 years. Cases showed higher rates of gout, alcohol abuse, acute digestive diseases, and peripheral artery disease, whereas controls were more likely to have histories involving stroke, acute myocardial infarction, chronic digestive diseases, and constipation.
Controls were more likely to be current aspirin users than patients diagnosed with CRC (12.8% vs. 12.2%), giving an associated adjusted odds ratio (AOR) of 0.83. Risk reduction became statistically apparent after 180 days of aspirin usage, with an AOR of 0.79, and more prominent in the 1- to 3-year range, with an AOR of 0.73. This chemoprotective effect faded rapidly with discontinuation.
Current clopidogrel usage led to a comparable level of risk reduction, with an AOR of 0.80. It wasn’t until a year of continuous clopidogrel monotherapy that risk reduction became statistically significant, with an AOR of 0.65, which dropped to 0.57 between years 1 and 3.
Turning to a matched comparison of aspirin or clopidogrel monotherapy versus DAPT, the investigators found similar rates of chemoprotection. Current aspirin usage of any duration offered an adjusted risk reduction of 17%, compared with 25% for clopidogrel, and 29% for DAPT. Beyond 1 year of continuous and current usage, the superiority of DAPT was called into question, as clopidogrel monotherapy offered the greatest risk reduction, at 37%, compared with 22% for aspirin, and 22% for DAPT. Risk analyses involving triflusal lacked statistical significance.
“The results of the present study are compatible with a chemoprotective effect of clopidogrel against CRC, equivalent in magnitude to the one observed for low-dose aspirin,” the investigators wrote. “This finding indirectly supports the hypothesis that the chemoprotective effect of low-dose aspirin is mediated mostly through the permanent inactivation of platelet COX-1.”
The investigators pointed out that the chemoprotective effects of antiplatelet therapy begin to appear early in treatment, independently from lifestyle factors, but risk reduction depends on current usage. Although short-term usage of either aspirin or clopidogrel was associated with an increased risk of CRC, the investigators suggested that this was more likely a perceived risk rather than an actual one. “In our view, this observation could be explained in part by a detection bias, owing to an increased risk of GI bleeding induced by antiplatelet agents that could lead to a greater number of colonoscopies, and, as a result, an early cancer diagnosis,” they wrote.
The study was funded by the Fundación Instituto Teófilo Hernando. Dr. García-Rodríguez disclosed a relationship with CEIFE, which has received funding from Bayer and AstraZeneca.
SOURCE: Rodríguez-Miguel et al. Clin Gastrenterol Hepatol. 2018 Dec 20. doi: 10.1016/j.cgh.2018.12.012.
FROM CLINICAL GASTROENTEROLOGY AND HEPATOLOGY
Key clinical point: Clopidogrel usage appears to reduce the risk of colorectal cancer as much as low-dose aspirin.
Major finding: Current clopidogrel usage was associated with a 20% reduced risk of colorectal cancer (adjusted odds ratio, 0.8).
Study details: A nested case-control study involving 15,491 cases of colorectal cancer and 60,000 controls.
Disclosures: The study was funded by the Fundación Instituto Teófilo Hernando. Dr. García-Rodríguez disclosed a relationship with CEIFE, which has received funding from Bayer and AstraZeneca.
Source: Rodríguez-Miguel A et al. Clin Gastrenterol Hepatol. 2018 Dec 20. doi: 10.1016/j.cgh.2018.12.012.
No increase in UTI risk with SGLT-2 inhibitors
Sodium-glucose cotransporter 2 inhibitors do not appear to increase the risk of urinary tract infections, compared with other antidiabetic medications, new research has found.
In a paper published in Annals of Internal Medicine, researchers reported the outcomes of a population-based, propensity-matched cohort study in which the analyzed data from 235,730 individuals newly prescribed sodium-glucose cotransporter 2 (SGLT-2) inhibitors, dipeptidyl peptidase–4 (DPP-4) inhibitors, and glucagonlike peptide–1 receptor (GLP-1) agonists.
In the first cohort, comparing SGLT-2 inhibitors with DDP-4 inhibitors, there were no significant differences between the two groups in the incidence rate of severe urinary tract infections (UTIs) (adjusted hazard ratio, 0.98; 95% confidence interval, 0.68-1.41).
In the second cohort, which compared patients taking GLP-1 receptor agonists with those taking SGLT-2 inhibitors, researchers saw a slightly lower incidence of severe UTIs among individuals on SGLT-2 inhibitors (HR, 0.72; 95% CI, 0.53-0.99; P = .04).
The analysis also failed to find any evidence that SGLT-2 inhibitors were associated with an increase in the risk of hospitalization or outpatient treatment for a UTI.
Chintan V. Dave, PharmD – now at Rutgers University, New Brunswick, N.J. – and colleagues from Brigham and Women’s Hospital and Harvard Medical School, Boston, wrote that the findings have significant clinical implications.
“Patients who may be good candidates to receive SGLT-2 inhibitors for diabetes control but who have a history of recurrent UTIs may be precluded from being prescribed these agents; because UTIs are highly prevalent in patients with diabetes, this could exclude a substantial number of patients from receiving an entire class of medications that has been shown to decrease risk for major cardiovascular events and death,” they wrote.
The researchers stressed that “other factors beyond risk for UTI events should be considered in decisions about whether to prescribe SGLT-2 therapy for patients with diabetes.”
The authors did note that their study was subject to the usual limitations of observational studies, such as susceptibility to confounding, and was also limited to people with health insurance.
An accompanying editorial by Kristian B. Filion, PhD, and Oriana H. Yu, MD, of McGill University, Montreal, commented that the data provided reassuring, real-world evidence on the potential safety issue of UTI risk with SGLT-2 inhibitors.
However, they also stressed that the study excluded individuals at high risk or with a history of UTIs, and that these were subgroups who required further investigation.
The study was supported by the Harvard Medical School and the National Institute on Aging. Three authors reported support from private industry outside the submitted work.
SOURCE: Dave CV et al. Ann Intern Med. 2019 Jul 29. doi: 10.7326/M18-3136.
Sodium-glucose cotransporter 2 inhibitors do not appear to increase the risk of urinary tract infections, compared with other antidiabetic medications, new research has found.
In a paper published in Annals of Internal Medicine, researchers reported the outcomes of a population-based, propensity-matched cohort study in which the analyzed data from 235,730 individuals newly prescribed sodium-glucose cotransporter 2 (SGLT-2) inhibitors, dipeptidyl peptidase–4 (DPP-4) inhibitors, and glucagonlike peptide–1 receptor (GLP-1) agonists.
In the first cohort, comparing SGLT-2 inhibitors with DDP-4 inhibitors, there were no significant differences between the two groups in the incidence rate of severe urinary tract infections (UTIs) (adjusted hazard ratio, 0.98; 95% confidence interval, 0.68-1.41).
In the second cohort, which compared patients taking GLP-1 receptor agonists with those taking SGLT-2 inhibitors, researchers saw a slightly lower incidence of severe UTIs among individuals on SGLT-2 inhibitors (HR, 0.72; 95% CI, 0.53-0.99; P = .04).
The analysis also failed to find any evidence that SGLT-2 inhibitors were associated with an increase in the risk of hospitalization or outpatient treatment for a UTI.
Chintan V. Dave, PharmD – now at Rutgers University, New Brunswick, N.J. – and colleagues from Brigham and Women’s Hospital and Harvard Medical School, Boston, wrote that the findings have significant clinical implications.
“Patients who may be good candidates to receive SGLT-2 inhibitors for diabetes control but who have a history of recurrent UTIs may be precluded from being prescribed these agents; because UTIs are highly prevalent in patients with diabetes, this could exclude a substantial number of patients from receiving an entire class of medications that has been shown to decrease risk for major cardiovascular events and death,” they wrote.
The researchers stressed that “other factors beyond risk for UTI events should be considered in decisions about whether to prescribe SGLT-2 therapy for patients with diabetes.”
The authors did note that their study was subject to the usual limitations of observational studies, such as susceptibility to confounding, and was also limited to people with health insurance.
An accompanying editorial by Kristian B. Filion, PhD, and Oriana H. Yu, MD, of McGill University, Montreal, commented that the data provided reassuring, real-world evidence on the potential safety issue of UTI risk with SGLT-2 inhibitors.
However, they also stressed that the study excluded individuals at high risk or with a history of UTIs, and that these were subgroups who required further investigation.
The study was supported by the Harvard Medical School and the National Institute on Aging. Three authors reported support from private industry outside the submitted work.
SOURCE: Dave CV et al. Ann Intern Med. 2019 Jul 29. doi: 10.7326/M18-3136.
Sodium-glucose cotransporter 2 inhibitors do not appear to increase the risk of urinary tract infections, compared with other antidiabetic medications, new research has found.
In a paper published in Annals of Internal Medicine, researchers reported the outcomes of a population-based, propensity-matched cohort study in which the analyzed data from 235,730 individuals newly prescribed sodium-glucose cotransporter 2 (SGLT-2) inhibitors, dipeptidyl peptidase–4 (DPP-4) inhibitors, and glucagonlike peptide–1 receptor (GLP-1) agonists.
In the first cohort, comparing SGLT-2 inhibitors with DDP-4 inhibitors, there were no significant differences between the two groups in the incidence rate of severe urinary tract infections (UTIs) (adjusted hazard ratio, 0.98; 95% confidence interval, 0.68-1.41).
In the second cohort, which compared patients taking GLP-1 receptor agonists with those taking SGLT-2 inhibitors, researchers saw a slightly lower incidence of severe UTIs among individuals on SGLT-2 inhibitors (HR, 0.72; 95% CI, 0.53-0.99; P = .04).
The analysis also failed to find any evidence that SGLT-2 inhibitors were associated with an increase in the risk of hospitalization or outpatient treatment for a UTI.
Chintan V. Dave, PharmD – now at Rutgers University, New Brunswick, N.J. – and colleagues from Brigham and Women’s Hospital and Harvard Medical School, Boston, wrote that the findings have significant clinical implications.
“Patients who may be good candidates to receive SGLT-2 inhibitors for diabetes control but who have a history of recurrent UTIs may be precluded from being prescribed these agents; because UTIs are highly prevalent in patients with diabetes, this could exclude a substantial number of patients from receiving an entire class of medications that has been shown to decrease risk for major cardiovascular events and death,” they wrote.
The researchers stressed that “other factors beyond risk for UTI events should be considered in decisions about whether to prescribe SGLT-2 therapy for patients with diabetes.”
The authors did note that their study was subject to the usual limitations of observational studies, such as susceptibility to confounding, and was also limited to people with health insurance.
An accompanying editorial by Kristian B. Filion, PhD, and Oriana H. Yu, MD, of McGill University, Montreal, commented that the data provided reassuring, real-world evidence on the potential safety issue of UTI risk with SGLT-2 inhibitors.
However, they also stressed that the study excluded individuals at high risk or with a history of UTIs, and that these were subgroups who required further investigation.
The study was supported by the Harvard Medical School and the National Institute on Aging. Three authors reported support from private industry outside the submitted work.
SOURCE: Dave CV et al. Ann Intern Med. 2019 Jul 29. doi: 10.7326/M18-3136.
FROM ANNALS OF INTERNAL MEDICINE
Key clinical point: Sodium-glucose cotransporter 2 inhibitors are not associated with a greater risk of urinary tract infections, compared with dipeptidyl peptidase-4 inhibitors or glucagonlike peptide–1 receptor agonists.
Major finding: The incidence of severe urinary tract infections is similar among patients taking sodium-glucose cotransporter 2 inhibitors, dipeptidyl peptidase–4, inhibitors or glucagonlike peptide–1 receptor agonists.
Study details: A population-based, propensity-matched cohort study in 235,730 individuals with type 2 diabetes.
Disclosures: The study was supported by the Harvard Medical School and the National Institute on Aging. Three authors reported support from private industry outside the submitted work.
Source: Dave CV et al. Ann Intern Med. 2019 Jul 29. doi: 10.7326/M18-3136.
Dr. Alexa will see you now: Is Amazon primed to come to your rescue?
Now that it’s upending the way you play music, cook, shop, hear the news, and check the weather, the friendly voice emanating from your Amazon Alexa–enabled smart speaker is poised to wriggle its way into all things health care.
Amazon has big ambitions for its devices. It thinks Alexa, the virtual assistant inside them, could help doctors diagnose mental illness, autism, concussion, and Parkinson’s disease. It even hopes Alexa will detect when you’re having a heart attack.
At present, Alexa can perform a handful of health care–related tasks: “She” can track blood glucose levels, describe symptoms, access postsurgical care instructions, monitor home prescription deliveries, and make same-day appointments at the nearest urgent care center.
Amazon has partnered with numerous health care companies, including several in California, to let consumers and employees use Alexa for health care purposes. Workers at Cigna Corp. can manage their health improvement goals and earn wellness incentives with Alexa. And Alexa helps people who use Omron Healthcare’s blood pressure monitor, HeartGuide, track their readings.
But a flood of new opportunities is emerging since Alexa won permission to use protected patient health records controlled under the U.S. privacy law known as HIPAA.
Before, Alexa had been limited to providing generic responses about medical conditions. Now that it can transmit private patient information, Amazon has extended its Alexa Skills Kit, the software development tools used to add functions. Soon, the virtual assistant will be able to send and receive individualized patient records, allowing health care companies to create services for consumers to use at home.
Amazon’s efforts in this domain are important because, with its 100 million smart devices in use worldwide, it could radically change the way consumers get health information and even treatment – and not just tech-savvy consumers. Analysts expect that 55% of U.S. households will have smart speakers by 2022.
Some of Alexa’s new skills depend on a little-understood feature of the devices: They listen to every sound around them. They have to in order to be ready to respond to a request, like “Alexa, how many tablespoons in a half-pint?” or “Put carrots on the shopping list.”
University of Washington researchers recently published a study in which they taught Alexa and two other devices – an iPhone 5s and a Samsung Galaxy S4 – to listen for so-called agonal breathing, the distinct gasping sounds that are an early-warning sign in about half of all cardiac arrests. These devices correctly identified agonal breathing in 97% of instances, while registering a false positive only 0.2% of the time.
Earlier research had shown that a machine learning system could recognize cardiac arrest during 911 emergency calls more accurately and far faster than human dispatchers could.
Amazon, which declined to comment for this article, holds a patent on an acoustic technology that recognizes and could act on significant audio interruptions. Combined with patented technology from the University of Washington that differentiates coughs and sneezes from other background noises, for example, Alexa could discern when someone is ill and suggest solutions.
Because Amazon also holds patents on monitoring blood flow and heart rate through an Alexa-enabled camera, Alexa could send vitals to a doctor’s office before you head to your appointment and continue to monitor your condition after you get home.
“It opens possibilities to deliver care at a distance,” said Sandhya Pruthi, MD, lead investigator for several breast cancer prevention trials at the Mayo Clinic, which has been on the front lines of using voice assistants in health care. “Think about people living in small towns who aren’t always getting access to care and knowing when to get health care,” she said. “Could this be an opportunity, if someone had symptoms, to say, ‘It’s time for this to get checked out’?”
A growing number of clinics, hospitals, home health care providers and insurers have begun experimenting with products using Alexa:
- Livongo, a Mountain View, Calif.–based startup focused on managing chronic diseases, sells an Alexa-connected blood glucose monitor that can help diabetes patients track their condition.
- Home health care provider Libertana Home Health, based in Sherman Oaks, Calif., created an Alexa skill that lets elderly or frail residents connect with caregivers, sets up reminders about medications, reports their weight and blood pressure, and schedules appointments.
- Cedars-Sinai Medical Center in Los Angeles put Amazon devices loaded with a plug-in called Aiva into more than 100 rooms to connect patients with staff and to provide hands-free television controls. Unlike a static call button, the voice-controlled device can tell nurses why a patient needs help and can then tell the patient the status of their request.
- Boston Children’s Hospital, which offered the first Alexa health care software with an educational tool called Kids MD, now uses Alexa to share postsurgical recovery data between a patient’s home and the hospital.
Many medical technology companies are tantalized by the possibilities offered by Alexa and similar technologies for an aging population. A wearable device could transmit information about falls or an uneven gait. Alexa could potentially combat loneliness. It is learning how to make conversation.
“Alexa can couple a practical interaction around health care with an interaction that can engage the patient, even delight the patient,” said elder care advocate Laurie M. Orlov.
It and other voice assistants also might help bring some relief to doctors and other medical practitioners who commonly complain that entering medical information into EHRs is too time consuming and detracts from effective interactions with patients.
This technology could work in the background to take notes on doctor-patient meetings, even suggesting possible treatments. Several startup companies are working on such applications.
One such company is Suki, based in Redwood City, Calif., which bills itself as “Alexa for doctors.” Its artificial intelligence software listens in on interactions between doctors and patients to write up medical notes automatically.
Amazon devices will need to excel at conversational artificial intelligence, capable of relating an earlier phrase to a subsequent one, if it is to remain dominant in homes.
In a 2018 interview on Amazon’s corporate blog, Rohit Prasad, a company vice president who is head scientist for Amazon Alexa, described Alexa’s anticipated evolution using “federated learning” that lets algorithms make themselves smarter by incorporating input from a wide variety of sources.
“With these advances, we will see Alexa become more contextually aware in how she recognizes, understands and responds to requests from users,” Prasad said.
This Kaiser Health News story first published on California Healthline, a service of the California Health Care Foundation. KHN is a nonprofit national health policy news service. It is an editorially independent program of the Henry J. Kaiser Family Foundation that is not affiliated with Kaiser Permanente.
Now that it’s upending the way you play music, cook, shop, hear the news, and check the weather, the friendly voice emanating from your Amazon Alexa–enabled smart speaker is poised to wriggle its way into all things health care.
Amazon has big ambitions for its devices. It thinks Alexa, the virtual assistant inside them, could help doctors diagnose mental illness, autism, concussion, and Parkinson’s disease. It even hopes Alexa will detect when you’re having a heart attack.
At present, Alexa can perform a handful of health care–related tasks: “She” can track blood glucose levels, describe symptoms, access postsurgical care instructions, monitor home prescription deliveries, and make same-day appointments at the nearest urgent care center.
Amazon has partnered with numerous health care companies, including several in California, to let consumers and employees use Alexa for health care purposes. Workers at Cigna Corp. can manage their health improvement goals and earn wellness incentives with Alexa. And Alexa helps people who use Omron Healthcare’s blood pressure monitor, HeartGuide, track their readings.
But a flood of new opportunities is emerging since Alexa won permission to use protected patient health records controlled under the U.S. privacy law known as HIPAA.
Before, Alexa had been limited to providing generic responses about medical conditions. Now that it can transmit private patient information, Amazon has extended its Alexa Skills Kit, the software development tools used to add functions. Soon, the virtual assistant will be able to send and receive individualized patient records, allowing health care companies to create services for consumers to use at home.
Amazon’s efforts in this domain are important because, with its 100 million smart devices in use worldwide, it could radically change the way consumers get health information and even treatment – and not just tech-savvy consumers. Analysts expect that 55% of U.S. households will have smart speakers by 2022.
Some of Alexa’s new skills depend on a little-understood feature of the devices: They listen to every sound around them. They have to in order to be ready to respond to a request, like “Alexa, how many tablespoons in a half-pint?” or “Put carrots on the shopping list.”
University of Washington researchers recently published a study in which they taught Alexa and two other devices – an iPhone 5s and a Samsung Galaxy S4 – to listen for so-called agonal breathing, the distinct gasping sounds that are an early-warning sign in about half of all cardiac arrests. These devices correctly identified agonal breathing in 97% of instances, while registering a false positive only 0.2% of the time.
Earlier research had shown that a machine learning system could recognize cardiac arrest during 911 emergency calls more accurately and far faster than human dispatchers could.
Amazon, which declined to comment for this article, holds a patent on an acoustic technology that recognizes and could act on significant audio interruptions. Combined with patented technology from the University of Washington that differentiates coughs and sneezes from other background noises, for example, Alexa could discern when someone is ill and suggest solutions.
Because Amazon also holds patents on monitoring blood flow and heart rate through an Alexa-enabled camera, Alexa could send vitals to a doctor’s office before you head to your appointment and continue to monitor your condition after you get home.
“It opens possibilities to deliver care at a distance,” said Sandhya Pruthi, MD, lead investigator for several breast cancer prevention trials at the Mayo Clinic, which has been on the front lines of using voice assistants in health care. “Think about people living in small towns who aren’t always getting access to care and knowing when to get health care,” she said. “Could this be an opportunity, if someone had symptoms, to say, ‘It’s time for this to get checked out’?”
A growing number of clinics, hospitals, home health care providers and insurers have begun experimenting with products using Alexa:
- Livongo, a Mountain View, Calif.–based startup focused on managing chronic diseases, sells an Alexa-connected blood glucose monitor that can help diabetes patients track their condition.
- Home health care provider Libertana Home Health, based in Sherman Oaks, Calif., created an Alexa skill that lets elderly or frail residents connect with caregivers, sets up reminders about medications, reports their weight and blood pressure, and schedules appointments.
- Cedars-Sinai Medical Center in Los Angeles put Amazon devices loaded with a plug-in called Aiva into more than 100 rooms to connect patients with staff and to provide hands-free television controls. Unlike a static call button, the voice-controlled device can tell nurses why a patient needs help and can then tell the patient the status of their request.
- Boston Children’s Hospital, which offered the first Alexa health care software with an educational tool called Kids MD, now uses Alexa to share postsurgical recovery data between a patient’s home and the hospital.
Many medical technology companies are tantalized by the possibilities offered by Alexa and similar technologies for an aging population. A wearable device could transmit information about falls or an uneven gait. Alexa could potentially combat loneliness. It is learning how to make conversation.
“Alexa can couple a practical interaction around health care with an interaction that can engage the patient, even delight the patient,” said elder care advocate Laurie M. Orlov.
It and other voice assistants also might help bring some relief to doctors and other medical practitioners who commonly complain that entering medical information into EHRs is too time consuming and detracts from effective interactions with patients.
This technology could work in the background to take notes on doctor-patient meetings, even suggesting possible treatments. Several startup companies are working on such applications.
One such company is Suki, based in Redwood City, Calif., which bills itself as “Alexa for doctors.” Its artificial intelligence software listens in on interactions between doctors and patients to write up medical notes automatically.
Amazon devices will need to excel at conversational artificial intelligence, capable of relating an earlier phrase to a subsequent one, if it is to remain dominant in homes.
In a 2018 interview on Amazon’s corporate blog, Rohit Prasad, a company vice president who is head scientist for Amazon Alexa, described Alexa’s anticipated evolution using “federated learning” that lets algorithms make themselves smarter by incorporating input from a wide variety of sources.
“With these advances, we will see Alexa become more contextually aware in how she recognizes, understands and responds to requests from users,” Prasad said.
This Kaiser Health News story first published on California Healthline, a service of the California Health Care Foundation. KHN is a nonprofit national health policy news service. It is an editorially independent program of the Henry J. Kaiser Family Foundation that is not affiliated with Kaiser Permanente.
Now that it’s upending the way you play music, cook, shop, hear the news, and check the weather, the friendly voice emanating from your Amazon Alexa–enabled smart speaker is poised to wriggle its way into all things health care.
Amazon has big ambitions for its devices. It thinks Alexa, the virtual assistant inside them, could help doctors diagnose mental illness, autism, concussion, and Parkinson’s disease. It even hopes Alexa will detect when you’re having a heart attack.
At present, Alexa can perform a handful of health care–related tasks: “She” can track blood glucose levels, describe symptoms, access postsurgical care instructions, monitor home prescription deliveries, and make same-day appointments at the nearest urgent care center.
Amazon has partnered with numerous health care companies, including several in California, to let consumers and employees use Alexa for health care purposes. Workers at Cigna Corp. can manage their health improvement goals and earn wellness incentives with Alexa. And Alexa helps people who use Omron Healthcare’s blood pressure monitor, HeartGuide, track their readings.
But a flood of new opportunities is emerging since Alexa won permission to use protected patient health records controlled under the U.S. privacy law known as HIPAA.
Before, Alexa had been limited to providing generic responses about medical conditions. Now that it can transmit private patient information, Amazon has extended its Alexa Skills Kit, the software development tools used to add functions. Soon, the virtual assistant will be able to send and receive individualized patient records, allowing health care companies to create services for consumers to use at home.
Amazon’s efforts in this domain are important because, with its 100 million smart devices in use worldwide, it could radically change the way consumers get health information and even treatment – and not just tech-savvy consumers. Analysts expect that 55% of U.S. households will have smart speakers by 2022.
Some of Alexa’s new skills depend on a little-understood feature of the devices: They listen to every sound around them. They have to in order to be ready to respond to a request, like “Alexa, how many tablespoons in a half-pint?” or “Put carrots on the shopping list.”
University of Washington researchers recently published a study in which they taught Alexa and two other devices – an iPhone 5s and a Samsung Galaxy S4 – to listen for so-called agonal breathing, the distinct gasping sounds that are an early-warning sign in about half of all cardiac arrests. These devices correctly identified agonal breathing in 97% of instances, while registering a false positive only 0.2% of the time.
Earlier research had shown that a machine learning system could recognize cardiac arrest during 911 emergency calls more accurately and far faster than human dispatchers could.
Amazon, which declined to comment for this article, holds a patent on an acoustic technology that recognizes and could act on significant audio interruptions. Combined with patented technology from the University of Washington that differentiates coughs and sneezes from other background noises, for example, Alexa could discern when someone is ill and suggest solutions.
Because Amazon also holds patents on monitoring blood flow and heart rate through an Alexa-enabled camera, Alexa could send vitals to a doctor’s office before you head to your appointment and continue to monitor your condition after you get home.
“It opens possibilities to deliver care at a distance,” said Sandhya Pruthi, MD, lead investigator for several breast cancer prevention trials at the Mayo Clinic, which has been on the front lines of using voice assistants in health care. “Think about people living in small towns who aren’t always getting access to care and knowing when to get health care,” she said. “Could this be an opportunity, if someone had symptoms, to say, ‘It’s time for this to get checked out’?”
A growing number of clinics, hospitals, home health care providers and insurers have begun experimenting with products using Alexa:
- Livongo, a Mountain View, Calif.–based startup focused on managing chronic diseases, sells an Alexa-connected blood glucose monitor that can help diabetes patients track their condition.
- Home health care provider Libertana Home Health, based in Sherman Oaks, Calif., created an Alexa skill that lets elderly or frail residents connect with caregivers, sets up reminders about medications, reports their weight and blood pressure, and schedules appointments.
- Cedars-Sinai Medical Center in Los Angeles put Amazon devices loaded with a plug-in called Aiva into more than 100 rooms to connect patients with staff and to provide hands-free television controls. Unlike a static call button, the voice-controlled device can tell nurses why a patient needs help and can then tell the patient the status of their request.
- Boston Children’s Hospital, which offered the first Alexa health care software with an educational tool called Kids MD, now uses Alexa to share postsurgical recovery data between a patient’s home and the hospital.
Many medical technology companies are tantalized by the possibilities offered by Alexa and similar technologies for an aging population. A wearable device could transmit information about falls or an uneven gait. Alexa could potentially combat loneliness. It is learning how to make conversation.
“Alexa can couple a practical interaction around health care with an interaction that can engage the patient, even delight the patient,” said elder care advocate Laurie M. Orlov.
It and other voice assistants also might help bring some relief to doctors and other medical practitioners who commonly complain that entering medical information into EHRs is too time consuming and detracts from effective interactions with patients.
This technology could work in the background to take notes on doctor-patient meetings, even suggesting possible treatments. Several startup companies are working on such applications.
One such company is Suki, based in Redwood City, Calif., which bills itself as “Alexa for doctors.” Its artificial intelligence software listens in on interactions between doctors and patients to write up medical notes automatically.
Amazon devices will need to excel at conversational artificial intelligence, capable of relating an earlier phrase to a subsequent one, if it is to remain dominant in homes.
In a 2018 interview on Amazon’s corporate blog, Rohit Prasad, a company vice president who is head scientist for Amazon Alexa, described Alexa’s anticipated evolution using “federated learning” that lets algorithms make themselves smarter by incorporating input from a wide variety of sources.
“With these advances, we will see Alexa become more contextually aware in how she recognizes, understands and responds to requests from users,” Prasad said.
This Kaiser Health News story first published on California Healthline, a service of the California Health Care Foundation. KHN is a nonprofit national health policy news service. It is an editorially independent program of the Henry J. Kaiser Family Foundation that is not affiliated with Kaiser Permanente.
ASTRO announces new president-elect, board members
The American Society for Radiation Oncology (ASTRO) has elected a new president-elect and three new officers to its board of directors.
The incoming president-elect is Laura Dawson, MD, of Princess Margaret Cancer Centre and University of Toronto. Dr. Dawson is a professor and radiation oncologist specializing in gastrointestinal malignancies with a focus on hepatobiliary carcinoma and liver metastases, stereotactic body radiation therapy, image-guided radiation therapy, and normal tissue radiation toxicity.
Dr. Dawson will begin her term in September 2019 during ASTRO’s 61st annual meeting. She will serve a 1-year term as president-elect, a 1-year term as president, and a 1-year term as chair of the ASTRO board. During her tenure, Dr. Dawson plans to address issues such as physician burnout, restrictive prior authorization practices, and diversity in the workforce.
Neha Vapiwala, MD, is ASTRO’s new secretary/treasurer-elect. Dr. Vapiwala is an associate professor, vice-chair of education in the department of radiation oncology, and dean of admissions at the Perelman School of Medicine at the University of Pennsylvania in Philadelphia.
She specializes in the management of patients with genitourinary cancers, and her research is focused on improving the delivery of photon- and proton-based radiation.
Dr. Vapiwala will serve a 1-year term as ASTRO’s secretary/treasurer-elect followed by a 3-year term as secretary/treasurer. In these roles, she plans to address challenges in health care economics and assess the role of artificial intelligence and other new technologies in radiation oncology.
Constantine Mantz, MD, is ASTRO’s new Health Policy Council vice-chair. Dr. Mantz is chief policy officer and a radiation oncologist at 21st Century Oncology in Ft. Meyers, Fla.
He specializes in head and neck, prostate, breast, lung, and colorectal cancers.
Dr. Mantz will serve a 2-year term as vice-chair of the Health Policy Council followed by a 2-year term as chair. Dr. Mantz plans to address payment reform issues, including the implementation of an alternative payment model for radiation oncology.
Brian Marples, PhD, is ASTRO’s new Science Council vice-chair. Dr. Marples is a research professor and director of radiobiology in the department of radiation oncology at the University of Miami Miller School of Medicine. His research is focused on maximizing a tumor’s response to radiation while minimizing damage to normal tissue.
Dr. Marples will serve a 2-year term as vice-chair of the Science Council, followed by a 2-year term as chair. He plans to engage the medical community and the public in radiation oncology innovations, such as new technologies that combine radiation and immunotherapy.
Movers in Medicine highlights career moves and personal achievements by hematologists and oncologists. Did you switch jobs, take on a new role, climb a mountain? Tell us all about it at [email protected], and you could be featured in Movers in Medicine.
The American Society for Radiation Oncology (ASTRO) has elected a new president-elect and three new officers to its board of directors.
The incoming president-elect is Laura Dawson, MD, of Princess Margaret Cancer Centre and University of Toronto. Dr. Dawson is a professor and radiation oncologist specializing in gastrointestinal malignancies with a focus on hepatobiliary carcinoma and liver metastases, stereotactic body radiation therapy, image-guided radiation therapy, and normal tissue radiation toxicity.
Dr. Dawson will begin her term in September 2019 during ASTRO’s 61st annual meeting. She will serve a 1-year term as president-elect, a 1-year term as president, and a 1-year term as chair of the ASTRO board. During her tenure, Dr. Dawson plans to address issues such as physician burnout, restrictive prior authorization practices, and diversity in the workforce.
Neha Vapiwala, MD, is ASTRO’s new secretary/treasurer-elect. Dr. Vapiwala is an associate professor, vice-chair of education in the department of radiation oncology, and dean of admissions at the Perelman School of Medicine at the University of Pennsylvania in Philadelphia.
She specializes in the management of patients with genitourinary cancers, and her research is focused on improving the delivery of photon- and proton-based radiation.
Dr. Vapiwala will serve a 1-year term as ASTRO’s secretary/treasurer-elect followed by a 3-year term as secretary/treasurer. In these roles, she plans to address challenges in health care economics and assess the role of artificial intelligence and other new technologies in radiation oncology.
Constantine Mantz, MD, is ASTRO’s new Health Policy Council vice-chair. Dr. Mantz is chief policy officer and a radiation oncologist at 21st Century Oncology in Ft. Meyers, Fla.
He specializes in head and neck, prostate, breast, lung, and colorectal cancers.
Dr. Mantz will serve a 2-year term as vice-chair of the Health Policy Council followed by a 2-year term as chair. Dr. Mantz plans to address payment reform issues, including the implementation of an alternative payment model for radiation oncology.
Brian Marples, PhD, is ASTRO’s new Science Council vice-chair. Dr. Marples is a research professor and director of radiobiology in the department of radiation oncology at the University of Miami Miller School of Medicine. His research is focused on maximizing a tumor’s response to radiation while minimizing damage to normal tissue.
Dr. Marples will serve a 2-year term as vice-chair of the Science Council, followed by a 2-year term as chair. He plans to engage the medical community and the public in radiation oncology innovations, such as new technologies that combine radiation and immunotherapy.
Movers in Medicine highlights career moves and personal achievements by hematologists and oncologists. Did you switch jobs, take on a new role, climb a mountain? Tell us all about it at [email protected], and you could be featured in Movers in Medicine.
The American Society for Radiation Oncology (ASTRO) has elected a new president-elect and three new officers to its board of directors.
The incoming president-elect is Laura Dawson, MD, of Princess Margaret Cancer Centre and University of Toronto. Dr. Dawson is a professor and radiation oncologist specializing in gastrointestinal malignancies with a focus on hepatobiliary carcinoma and liver metastases, stereotactic body radiation therapy, image-guided radiation therapy, and normal tissue radiation toxicity.
Dr. Dawson will begin her term in September 2019 during ASTRO’s 61st annual meeting. She will serve a 1-year term as president-elect, a 1-year term as president, and a 1-year term as chair of the ASTRO board. During her tenure, Dr. Dawson plans to address issues such as physician burnout, restrictive prior authorization practices, and diversity in the workforce.
Neha Vapiwala, MD, is ASTRO’s new secretary/treasurer-elect. Dr. Vapiwala is an associate professor, vice-chair of education in the department of radiation oncology, and dean of admissions at the Perelman School of Medicine at the University of Pennsylvania in Philadelphia.
She specializes in the management of patients with genitourinary cancers, and her research is focused on improving the delivery of photon- and proton-based radiation.
Dr. Vapiwala will serve a 1-year term as ASTRO’s secretary/treasurer-elect followed by a 3-year term as secretary/treasurer. In these roles, she plans to address challenges in health care economics and assess the role of artificial intelligence and other new technologies in radiation oncology.
Constantine Mantz, MD, is ASTRO’s new Health Policy Council vice-chair. Dr. Mantz is chief policy officer and a radiation oncologist at 21st Century Oncology in Ft. Meyers, Fla.
He specializes in head and neck, prostate, breast, lung, and colorectal cancers.
Dr. Mantz will serve a 2-year term as vice-chair of the Health Policy Council followed by a 2-year term as chair. Dr. Mantz plans to address payment reform issues, including the implementation of an alternative payment model for radiation oncology.
Brian Marples, PhD, is ASTRO’s new Science Council vice-chair. Dr. Marples is a research professor and director of radiobiology in the department of radiation oncology at the University of Miami Miller School of Medicine. His research is focused on maximizing a tumor’s response to radiation while minimizing damage to normal tissue.
Dr. Marples will serve a 2-year term as vice-chair of the Science Council, followed by a 2-year term as chair. He plans to engage the medical community and the public in radiation oncology innovations, such as new technologies that combine radiation and immunotherapy.
Movers in Medicine highlights career moves and personal achievements by hematologists and oncologists. Did you switch jobs, take on a new role, climb a mountain? Tell us all about it at [email protected], and you could be featured in Movers in Medicine.
Most patients with new hypertension under revised BP guidelines won’t need pharmacotherapy
ORLANDO – An additional 14% of Americans have been reclassified as having hypertension – an increase from 32% to 46% of adults – under the latest guidelines on management of high blood pressure released by the American College of Cardiology and American Heart Association in 2017. However, this does not mean these patients are mandated for pharmacologic therapy, since most of them have been reclassified as having stage 1 hypertension, said Leslie L. Davis, PhD, RN, ANP-BC, FPCNA, FAANP, FAHA, associate professor of nursing at the University of North Carolina, Greensboro.
According to the new guidelines, normal BP is classified as less than 120 mm Hg systolic and less than 80 mm Hg diastolic. Elevated BP is 120-129 mm Hg systolic and under 80 mm Hg diastolic, while patients are classified as having stage 1 hypertension if their systolic BP is 130-139 mm Hg or diastolic BP is 80-90 mm Hg. Patients now have stage 2 hypertension if their systolic BP is higher than 140 mm Hg or diastolic BP is above 90 mm Hg.
This raises the importance of getting an accurate BP measurement from patients. At least two readings over two or more visits should be used before categorizing a patient. To take an ideal reading, patients should be sitting at rest with their back supported, feet positioned on a flat surface (no crossing legs), and their arm at heart level for at least 5 minutes. Patients should also refrain from tobacco or caffeine use 30 minutes before the reading. “These numbers need to be correct, because we’ve got new [BP] categories, and also for managing blood pressure, you’re making decisions based on these numbers,” said Dr. Davis at the Cardiovascular & Respiratory Summit by Global Academy for Medical Education.
When taking a patient’s BP, neither the patient nor the provider should talk, and constricting clothes on the upper extremity should be removed instead of pushed up. Using a incorrectly sized cuff can artificially raise or lower a patient’s BP level, so clinicians should use one that is 80% of the length and 40% of the width of the patient’s arm circumference. If the BP reading is elevated, confirm the reading in the other arm and use the arm with the higher reading for future measurements. BP measurements taken in different settings, such as ambulatory BP monitoring or home BP monitoring, can help give context to the in-office reading and whether the patient has white-coat hypertension or masked hypertension.
After a patient has their accurate BP reading, they can calculate their atherosclerotic cardiovascular disease (ASCVD) risk using the ACC’s ASCVD Risk Estimator, said Dr. Davis. If a patient has confirmed cardiovascular disease or has a 10% or greater 10-year ASCVD risk, the target to lower BP is 130 based on high-quality evidence, but expert opinion recommends targeting 130/80 for patients with confirmed hypertension as well.
“If somebody is overweight or obese, 10 pounds is 10 points,” said Dr. Davis. “Even if you don’t get them to the appropriate body mass index over 3 months’ time, that’s as much as a low or medium dose of antihypertensive therapy. For you to be able to get double-digit reduction, that’s what a med does.”
Other nonpharmacologic interventions for these patients include a heart-healthy diet such as the DASH diet, lowering sodium and increasing potassium, structuring exercise and physical activity, lowering use of or avoiding alcohol, and smoking cessation. The goal of nonpharmacologic therapy is not only to lower BP, but make the medication work better, said Dr. Davis.
Pharmacologic therapy should be initiated when patients exceed or are above the cutoff values for the new BP categories and if a patient has already had a cardiovascular event. “Basically, if you’re above that line in the sand of your goal, that’s when to start medications,” she said.
For stage 1 hypertension, first-line therapy is lifestyle change plus thiazides, calcium-channel blockers, or ACE inhibitors, with stage 1 hypertension therapy consisting of a combination of two first-line therapy therapies to reduce systolic BP by about 20 mm Hg and diastolic BP by 10 mm Hg. Beta-blockers are not first-line antihypertension therapy, but can be considered in patients with coronary artery disease and heart failure with reduced left ventricular ejection fraction.
With regard to follow-up, patients with low ASCVD risk and stage 1 hypertension can be monitored in 3-6 months after lifestyle changes, while patients with high ASCVD risk and stage 1 hypertension should be followed up in 1 month. Patients with stage 2 hypertension should follow up with their primary care provider 1 month after beginning their therapy, and those with very high BP should promptly be started on drug treatment with lifestyle changes, with upward dose adjustments as needed.
In adults aged 65 years or older, the ACC/AHA guidelines also focused on how to prevent cognitive decline and dementia, said Dr. Davis. The goal for ambulatory, community-dwelling adults is still to have a systolic BP of less than 130 mm Hg, but clinical judgment should prevail because of comorbid conditions and limited life expectancy in these patients. Patient preference should also be considered, and clinicians should use a team-based approach with shared decision making to determine goals for each patient.
Dr. Davis reported no relevant financial disclosures. Global Academy for Medical Education and this news organization are owned by the same parent company.
ORLANDO – An additional 14% of Americans have been reclassified as having hypertension – an increase from 32% to 46% of adults – under the latest guidelines on management of high blood pressure released by the American College of Cardiology and American Heart Association in 2017. However, this does not mean these patients are mandated for pharmacologic therapy, since most of them have been reclassified as having stage 1 hypertension, said Leslie L. Davis, PhD, RN, ANP-BC, FPCNA, FAANP, FAHA, associate professor of nursing at the University of North Carolina, Greensboro.
According to the new guidelines, normal BP is classified as less than 120 mm Hg systolic and less than 80 mm Hg diastolic. Elevated BP is 120-129 mm Hg systolic and under 80 mm Hg diastolic, while patients are classified as having stage 1 hypertension if their systolic BP is 130-139 mm Hg or diastolic BP is 80-90 mm Hg. Patients now have stage 2 hypertension if their systolic BP is higher than 140 mm Hg or diastolic BP is above 90 mm Hg.
This raises the importance of getting an accurate BP measurement from patients. At least two readings over two or more visits should be used before categorizing a patient. To take an ideal reading, patients should be sitting at rest with their back supported, feet positioned on a flat surface (no crossing legs), and their arm at heart level for at least 5 minutes. Patients should also refrain from tobacco or caffeine use 30 minutes before the reading. “These numbers need to be correct, because we’ve got new [BP] categories, and also for managing blood pressure, you’re making decisions based on these numbers,” said Dr. Davis at the Cardiovascular & Respiratory Summit by Global Academy for Medical Education.
When taking a patient’s BP, neither the patient nor the provider should talk, and constricting clothes on the upper extremity should be removed instead of pushed up. Using a incorrectly sized cuff can artificially raise or lower a patient’s BP level, so clinicians should use one that is 80% of the length and 40% of the width of the patient’s arm circumference. If the BP reading is elevated, confirm the reading in the other arm and use the arm with the higher reading for future measurements. BP measurements taken in different settings, such as ambulatory BP monitoring or home BP monitoring, can help give context to the in-office reading and whether the patient has white-coat hypertension or masked hypertension.
After a patient has their accurate BP reading, they can calculate their atherosclerotic cardiovascular disease (ASCVD) risk using the ACC’s ASCVD Risk Estimator, said Dr. Davis. If a patient has confirmed cardiovascular disease or has a 10% or greater 10-year ASCVD risk, the target to lower BP is 130 based on high-quality evidence, but expert opinion recommends targeting 130/80 for patients with confirmed hypertension as well.
“If somebody is overweight or obese, 10 pounds is 10 points,” said Dr. Davis. “Even if you don’t get them to the appropriate body mass index over 3 months’ time, that’s as much as a low or medium dose of antihypertensive therapy. For you to be able to get double-digit reduction, that’s what a med does.”
Other nonpharmacologic interventions for these patients include a heart-healthy diet such as the DASH diet, lowering sodium and increasing potassium, structuring exercise and physical activity, lowering use of or avoiding alcohol, and smoking cessation. The goal of nonpharmacologic therapy is not only to lower BP, but make the medication work better, said Dr. Davis.
Pharmacologic therapy should be initiated when patients exceed or are above the cutoff values for the new BP categories and if a patient has already had a cardiovascular event. “Basically, if you’re above that line in the sand of your goal, that’s when to start medications,” she said.
For stage 1 hypertension, first-line therapy is lifestyle change plus thiazides, calcium-channel blockers, or ACE inhibitors, with stage 1 hypertension therapy consisting of a combination of two first-line therapy therapies to reduce systolic BP by about 20 mm Hg and diastolic BP by 10 mm Hg. Beta-blockers are not first-line antihypertension therapy, but can be considered in patients with coronary artery disease and heart failure with reduced left ventricular ejection fraction.
With regard to follow-up, patients with low ASCVD risk and stage 1 hypertension can be monitored in 3-6 months after lifestyle changes, while patients with high ASCVD risk and stage 1 hypertension should be followed up in 1 month. Patients with stage 2 hypertension should follow up with their primary care provider 1 month after beginning their therapy, and those with very high BP should promptly be started on drug treatment with lifestyle changes, with upward dose adjustments as needed.
In adults aged 65 years or older, the ACC/AHA guidelines also focused on how to prevent cognitive decline and dementia, said Dr. Davis. The goal for ambulatory, community-dwelling adults is still to have a systolic BP of less than 130 mm Hg, but clinical judgment should prevail because of comorbid conditions and limited life expectancy in these patients. Patient preference should also be considered, and clinicians should use a team-based approach with shared decision making to determine goals for each patient.
Dr. Davis reported no relevant financial disclosures. Global Academy for Medical Education and this news organization are owned by the same parent company.
ORLANDO – An additional 14% of Americans have been reclassified as having hypertension – an increase from 32% to 46% of adults – under the latest guidelines on management of high blood pressure released by the American College of Cardiology and American Heart Association in 2017. However, this does not mean these patients are mandated for pharmacologic therapy, since most of them have been reclassified as having stage 1 hypertension, said Leslie L. Davis, PhD, RN, ANP-BC, FPCNA, FAANP, FAHA, associate professor of nursing at the University of North Carolina, Greensboro.
According to the new guidelines, normal BP is classified as less than 120 mm Hg systolic and less than 80 mm Hg diastolic. Elevated BP is 120-129 mm Hg systolic and under 80 mm Hg diastolic, while patients are classified as having stage 1 hypertension if their systolic BP is 130-139 mm Hg or diastolic BP is 80-90 mm Hg. Patients now have stage 2 hypertension if their systolic BP is higher than 140 mm Hg or diastolic BP is above 90 mm Hg.
This raises the importance of getting an accurate BP measurement from patients. At least two readings over two or more visits should be used before categorizing a patient. To take an ideal reading, patients should be sitting at rest with their back supported, feet positioned on a flat surface (no crossing legs), and their arm at heart level for at least 5 minutes. Patients should also refrain from tobacco or caffeine use 30 minutes before the reading. “These numbers need to be correct, because we’ve got new [BP] categories, and also for managing blood pressure, you’re making decisions based on these numbers,” said Dr. Davis at the Cardiovascular & Respiratory Summit by Global Academy for Medical Education.
When taking a patient’s BP, neither the patient nor the provider should talk, and constricting clothes on the upper extremity should be removed instead of pushed up. Using a incorrectly sized cuff can artificially raise or lower a patient’s BP level, so clinicians should use one that is 80% of the length and 40% of the width of the patient’s arm circumference. If the BP reading is elevated, confirm the reading in the other arm and use the arm with the higher reading for future measurements. BP measurements taken in different settings, such as ambulatory BP monitoring or home BP monitoring, can help give context to the in-office reading and whether the patient has white-coat hypertension or masked hypertension.
After a patient has their accurate BP reading, they can calculate their atherosclerotic cardiovascular disease (ASCVD) risk using the ACC’s ASCVD Risk Estimator, said Dr. Davis. If a patient has confirmed cardiovascular disease or has a 10% or greater 10-year ASCVD risk, the target to lower BP is 130 based on high-quality evidence, but expert opinion recommends targeting 130/80 for patients with confirmed hypertension as well.
“If somebody is overweight or obese, 10 pounds is 10 points,” said Dr. Davis. “Even if you don’t get them to the appropriate body mass index over 3 months’ time, that’s as much as a low or medium dose of antihypertensive therapy. For you to be able to get double-digit reduction, that’s what a med does.”
Other nonpharmacologic interventions for these patients include a heart-healthy diet such as the DASH diet, lowering sodium and increasing potassium, structuring exercise and physical activity, lowering use of or avoiding alcohol, and smoking cessation. The goal of nonpharmacologic therapy is not only to lower BP, but make the medication work better, said Dr. Davis.
Pharmacologic therapy should be initiated when patients exceed or are above the cutoff values for the new BP categories and if a patient has already had a cardiovascular event. “Basically, if you’re above that line in the sand of your goal, that’s when to start medications,” she said.
For stage 1 hypertension, first-line therapy is lifestyle change plus thiazides, calcium-channel blockers, or ACE inhibitors, with stage 1 hypertension therapy consisting of a combination of two first-line therapy therapies to reduce systolic BP by about 20 mm Hg and diastolic BP by 10 mm Hg. Beta-blockers are not first-line antihypertension therapy, but can be considered in patients with coronary artery disease and heart failure with reduced left ventricular ejection fraction.
With regard to follow-up, patients with low ASCVD risk and stage 1 hypertension can be monitored in 3-6 months after lifestyle changes, while patients with high ASCVD risk and stage 1 hypertension should be followed up in 1 month. Patients with stage 2 hypertension should follow up with their primary care provider 1 month after beginning their therapy, and those with very high BP should promptly be started on drug treatment with lifestyle changes, with upward dose adjustments as needed.
In adults aged 65 years or older, the ACC/AHA guidelines also focused on how to prevent cognitive decline and dementia, said Dr. Davis. The goal for ambulatory, community-dwelling adults is still to have a systolic BP of less than 130 mm Hg, but clinical judgment should prevail because of comorbid conditions and limited life expectancy in these patients. Patient preference should also be considered, and clinicians should use a team-based approach with shared decision making to determine goals for each patient.
Dr. Davis reported no relevant financial disclosures. Global Academy for Medical Education and this news organization are owned by the same parent company.
EXPERT ANALYSIS FROM CARPS 2019
AGA remembers Dr. Henry T. Lynch
Henry T. Lynch, MD, came from a humble background, growing up in a rough neighborhood in New York City. He enlisted in the Navy and served in the South Pacific during World War II. Afterward, Dr. Lynch focused his efforts on completing his education, which eventually lead him to the medical field.
After obtaining his high-school equivalency, and completing his undergraduate degree at the University of Oklahoma and his master’s degree in clinical psychology at the University of Denver, his path turned toward the field in which he would make his thrilling and unprecedented discoveries. He studied for a PhD in human genetics at the University of Texas at Austin and received his medical degree from the University of Texas Medical Branch in Galveston. He completed his internship at St. Mary’s Hospital in Evansville, Indiana, and his residency in internal medicine at the University of Nebraska College of Medicine. His first faculty appointment was at The University of Texas MD Anderson Cancer Center.
In 1967, he accepted a position at Creighton, in Omaha, Neb., where he would spend the rest of his storied career. Dr. Lynch was a professor at Creighton University School of Medicine, and the founder and director of the Hereditary Cancer Center at Creighton, established in 1984. He served as chair of the institution’s Department of Preventive Medicine and Public Health, and was named the inaugural holder of the Charles F. and Mary C. Heider Endowed Chair in Cancer Research at Creighton.
A patient he encountered in 1962 – an alcoholic that drank because he believed he would die of colon cancer since everyone in his family had – was the catalyst for his groundbreaking work into the possibility of a hereditary component to some forms of cancer. During this time, it was understood that carcinogenic chemicals and viruses were the primary cause of cancer.
Dr. Lynch provided the first complete description of hereditary nonpolyposis colorectal cancer, a form of colon cancer eventually renamed Lynch syndrome. He continued his research, eventually identifying a hereditary form of breast and ovarian cancers, melanoma, and prostate and pancreatic cancers. His efforts also resulted in one of the world’s largest databases of family cancer histories.
Dr. Lynch passed away on June 2, 2019, at the age of 91. AGA members are sharing their stories and the impact Dr. Lynch had on their work in the AGA Community.
Lucas Franki contributed to this report.
Henry T. Lynch, MD, came from a humble background, growing up in a rough neighborhood in New York City. He enlisted in the Navy and served in the South Pacific during World War II. Afterward, Dr. Lynch focused his efforts on completing his education, which eventually lead him to the medical field.
After obtaining his high-school equivalency, and completing his undergraduate degree at the University of Oklahoma and his master’s degree in clinical psychology at the University of Denver, his path turned toward the field in which he would make his thrilling and unprecedented discoveries. He studied for a PhD in human genetics at the University of Texas at Austin and received his medical degree from the University of Texas Medical Branch in Galveston. He completed his internship at St. Mary’s Hospital in Evansville, Indiana, and his residency in internal medicine at the University of Nebraska College of Medicine. His first faculty appointment was at The University of Texas MD Anderson Cancer Center.
In 1967, he accepted a position at Creighton, in Omaha, Neb., where he would spend the rest of his storied career. Dr. Lynch was a professor at Creighton University School of Medicine, and the founder and director of the Hereditary Cancer Center at Creighton, established in 1984. He served as chair of the institution’s Department of Preventive Medicine and Public Health, and was named the inaugural holder of the Charles F. and Mary C. Heider Endowed Chair in Cancer Research at Creighton.
A patient he encountered in 1962 – an alcoholic that drank because he believed he would die of colon cancer since everyone in his family had – was the catalyst for his groundbreaking work into the possibility of a hereditary component to some forms of cancer. During this time, it was understood that carcinogenic chemicals and viruses were the primary cause of cancer.
Dr. Lynch provided the first complete description of hereditary nonpolyposis colorectal cancer, a form of colon cancer eventually renamed Lynch syndrome. He continued his research, eventually identifying a hereditary form of breast and ovarian cancers, melanoma, and prostate and pancreatic cancers. His efforts also resulted in one of the world’s largest databases of family cancer histories.
Dr. Lynch passed away on June 2, 2019, at the age of 91. AGA members are sharing their stories and the impact Dr. Lynch had on their work in the AGA Community.
Lucas Franki contributed to this report.
Henry T. Lynch, MD, came from a humble background, growing up in a rough neighborhood in New York City. He enlisted in the Navy and served in the South Pacific during World War II. Afterward, Dr. Lynch focused his efforts on completing his education, which eventually lead him to the medical field.
After obtaining his high-school equivalency, and completing his undergraduate degree at the University of Oklahoma and his master’s degree in clinical psychology at the University of Denver, his path turned toward the field in which he would make his thrilling and unprecedented discoveries. He studied for a PhD in human genetics at the University of Texas at Austin and received his medical degree from the University of Texas Medical Branch in Galveston. He completed his internship at St. Mary’s Hospital in Evansville, Indiana, and his residency in internal medicine at the University of Nebraska College of Medicine. His first faculty appointment was at The University of Texas MD Anderson Cancer Center.
In 1967, he accepted a position at Creighton, in Omaha, Neb., where he would spend the rest of his storied career. Dr. Lynch was a professor at Creighton University School of Medicine, and the founder and director of the Hereditary Cancer Center at Creighton, established in 1984. He served as chair of the institution’s Department of Preventive Medicine and Public Health, and was named the inaugural holder of the Charles F. and Mary C. Heider Endowed Chair in Cancer Research at Creighton.
A patient he encountered in 1962 – an alcoholic that drank because he believed he would die of colon cancer since everyone in his family had – was the catalyst for his groundbreaking work into the possibility of a hereditary component to some forms of cancer. During this time, it was understood that carcinogenic chemicals and viruses were the primary cause of cancer.
Dr. Lynch provided the first complete description of hereditary nonpolyposis colorectal cancer, a form of colon cancer eventually renamed Lynch syndrome. He continued his research, eventually identifying a hereditary form of breast and ovarian cancers, melanoma, and prostate and pancreatic cancers. His efforts also resulted in one of the world’s largest databases of family cancer histories.
Dr. Lynch passed away on June 2, 2019, at the age of 91. AGA members are sharing their stories and the impact Dr. Lynch had on their work in the AGA Community.
Lucas Franki contributed to this report.
Top AGA Community patient cases
Physicians with difficult patient scenarios bring their questions to the AGA Community (https://community.gastro.org) to seek advice from colleagues about therapy and disease management options, best practices, and diagnoses. In case you missed it, here are the most popular clinical discussions shared in the forum recently:
1. Crohn’s disease, Infliximab and liver abscess
(http://ow.ly/MehK30p2UZr)
2. Positive Cologuard testing in patient on blood thinners
(http://ow.ly/lJXF30p2V12)
3. Recombinant zoster vaccine in IBD patients on biologics
(http://ow.ly/FWGA30p2V1F)
4. Hair loss and Crohn’s disease
(http://ow.ly/C6Sa30p2V2h)
Access these clinical cases and more discussions at https://community.gastro.org/discussions.
Physicians with difficult patient scenarios bring their questions to the AGA Community (https://community.gastro.org) to seek advice from colleagues about therapy and disease management options, best practices, and diagnoses. In case you missed it, here are the most popular clinical discussions shared in the forum recently:
1. Crohn’s disease, Infliximab and liver abscess
(http://ow.ly/MehK30p2UZr)
2. Positive Cologuard testing in patient on blood thinners
(http://ow.ly/lJXF30p2V12)
3. Recombinant zoster vaccine in IBD patients on biologics
(http://ow.ly/FWGA30p2V1F)
4. Hair loss and Crohn’s disease
(http://ow.ly/C6Sa30p2V2h)
Access these clinical cases and more discussions at https://community.gastro.org/discussions.
Physicians with difficult patient scenarios bring their questions to the AGA Community (https://community.gastro.org) to seek advice from colleagues about therapy and disease management options, best practices, and diagnoses. In case you missed it, here are the most popular clinical discussions shared in the forum recently:
1. Crohn’s disease, Infliximab and liver abscess
(http://ow.ly/MehK30p2UZr)
2. Positive Cologuard testing in patient on blood thinners
(http://ow.ly/lJXF30p2V12)
3. Recombinant zoster vaccine in IBD patients on biologics
(http://ow.ly/FWGA30p2V1F)
4. Hair loss and Crohn’s disease
(http://ow.ly/C6Sa30p2V2h)
Access these clinical cases and more discussions at https://community.gastro.org/discussions.
Remember the AGA Research Foundation in your will or living trust
What if all you had to do to ensure that the AGA Research Foundation can have an impact for years to come is to write a simple sentence? Sound impossible?
The AGA Research Foundation provides a key source of funding at a critical juncture in young investigators’ career. Securing the future of the talented investigators we serve really is as simple as one sentence. By including a gift to the AGA Research Foundation in your will, you can support our mission tomorrow without giving away any of your assets today.
Including the AGA Research Foundation in your will is a popular gift to give because it is:
- Affordable. The actual giving of your gift occurs after your lifetime, so your current income is not affected.
- Flexible. Until your will goes into effect, you are free to alter your plans or change your mind.
- Versatile. You can give a specific item, a set amount of money or a percentage of your estate. You can also make your gift contingent upon certain events.
We hope you’ll consider including a gift to the AGA Research Foundation in your will or living trust. It’s simple – just a few sentences in your will or trust are all that is needed. The official bequest language for the AGA Research Foundation is: “I, [name], of [city, state, ZIP], give, devise and bequeath to the AGA Research Foundation [written amount or percentage of the estate or description of property] for its unrestricted use and purpose.”
Join others in donating to the AGA Research Foundation and help fill the funding gap and protect the next generation of investigators.
Please contact us for more information at [email protected] or visit http://gastro.planmylegacy.org/.
What if all you had to do to ensure that the AGA Research Foundation can have an impact for years to come is to write a simple sentence? Sound impossible?
The AGA Research Foundation provides a key source of funding at a critical juncture in young investigators’ career. Securing the future of the talented investigators we serve really is as simple as one sentence. By including a gift to the AGA Research Foundation in your will, you can support our mission tomorrow without giving away any of your assets today.
Including the AGA Research Foundation in your will is a popular gift to give because it is:
- Affordable. The actual giving of your gift occurs after your lifetime, so your current income is not affected.
- Flexible. Until your will goes into effect, you are free to alter your plans or change your mind.
- Versatile. You can give a specific item, a set amount of money or a percentage of your estate. You can also make your gift contingent upon certain events.
We hope you’ll consider including a gift to the AGA Research Foundation in your will or living trust. It’s simple – just a few sentences in your will or trust are all that is needed. The official bequest language for the AGA Research Foundation is: “I, [name], of [city, state, ZIP], give, devise and bequeath to the AGA Research Foundation [written amount or percentage of the estate or description of property] for its unrestricted use and purpose.”
Join others in donating to the AGA Research Foundation and help fill the funding gap and protect the next generation of investigators.
Please contact us for more information at [email protected] or visit http://gastro.planmylegacy.org/.
What if all you had to do to ensure that the AGA Research Foundation can have an impact for years to come is to write a simple sentence? Sound impossible?
The AGA Research Foundation provides a key source of funding at a critical juncture in young investigators’ career. Securing the future of the talented investigators we serve really is as simple as one sentence. By including a gift to the AGA Research Foundation in your will, you can support our mission tomorrow without giving away any of your assets today.
Including the AGA Research Foundation in your will is a popular gift to give because it is:
- Affordable. The actual giving of your gift occurs after your lifetime, so your current income is not affected.
- Flexible. Until your will goes into effect, you are free to alter your plans or change your mind.
- Versatile. You can give a specific item, a set amount of money or a percentage of your estate. You can also make your gift contingent upon certain events.
We hope you’ll consider including a gift to the AGA Research Foundation in your will or living trust. It’s simple – just a few sentences in your will or trust are all that is needed. The official bequest language for the AGA Research Foundation is: “I, [name], of [city, state, ZIP], give, devise and bequeath to the AGA Research Foundation [written amount or percentage of the estate or description of property] for its unrestricted use and purpose.”
Join others in donating to the AGA Research Foundation and help fill the funding gap and protect the next generation of investigators.
Please contact us for more information at [email protected] or visit http://gastro.planmylegacy.org/.
Consider adding chemical peels for your acne patients
MILAN – according to Dee Anna Glaser, MD.
Speaking at the World Congress of Dermatology, Dr. Glaser, director of clinical research and interim chair of the department of dermatology at Saint Louis University, said that in her practice, acne and actinic keratosis are the most common medical indications for chemical peels and that “acne is just a winner all the way around.”
For acne, she added: “Chemical peels can help both the comedonal and the inflammatory component. It should probably be combined with other therapies, and it does produce both an exfoliative and an anti-inflammatory benefit,.”
A variety of chemical peel formulations can be considered for acne, Dr. Glaser noted. “Typically, you’re going to use a light chemical peel,” such as glycolic or salicylic acid. Other options include Jessner’s solution or a light trichloroacetic acid formulation, she said, adding that tretinoin alone can also be considered.
In choosing between glycolic and salicylic acid, Dr. Glaser said, “salicylic acid should theoretically be the best agent because it is lipophilic and the glycolic acid is hydrophilic.” The reality of how these agents perform clinically, though, may sort out differently.
Dr. Glaser pointed to a double-blind, randomized controlled trial of the two agents in 20 women with facial acne. The severity of participants’ inflammatory acne was mild to moderate, with an average of 27 inflammatory lesions, and they had been on a stable prescription or over-the-counter acne regimen for at least 2 months (Dermatol Surg. 2008 Jan;34[1]:45-50).
Patients received six peels – one every 2 weeks – with 30% glycolic acid (an alpha-hydroxy acid) and 30% salicylic acid (a beta-hydroxy acid) in the split-face study.
All participants started at 4 minutes of exposure and increased up to 5 minutes as tolerated, although timing is only really important for glycolic acid, the same duration of exposure was maintained for each agent for the sake of consistency between arms, said Dr. Glaser, one of the investigators.
Sharing photographs of study participants, she observed that after six peels, “there really isn’t a significant difference.” Therefore, she added, “even though salicylic acid should be better, you can see that glycolic acid really held its own in this study.”
Dr. Glaser pointed out that a trend was seen for slightly better results with salicylic acid and results with this agent were more durable than those seen with glycolic acid. Patients reported fewer side effects on the beta-hydroxy–treated side as well.
She referred to another study, conducted in Japan, that used a double-blind, split-face design to compare 40% glycolic acid with a placebo that had a similarly low pH of 2.0. The 26 patients with moderate acne received five peels on a biweekly schedule, with glycolic acid significantly outperforming placebo. Among acne subtypes, noninflammatory acne improved more than inflammatory acne with glycolic acid (Dermatol Surg. 2014 Mar;40[3]:314-22).
Dr. Glaser said that in her own practice, she still tries to use salicylic acid for her acne patients,” though some patients prefer the experience of a glycolic acid peel, with which there’s likely to be less pain. “So if you have a preference, or your patient has a preference, you will probably be able to use the acid that works best for you,” she said.
Whatever peel is chosen, it should be considered an adjuvant to other topical and systemic acne therapies, Dr. Glaser stressed. “To maintain the results, you really do need to maintain the patient on some sort of standard acne therapy that you would normally do.”
Peels can also be an effective part of a multipronged approach that includes laser therapy and intralesional steroids, she said. However, peels can be considered for monotherapy in patients who don’t tolerate other acne therapies, and they can be used safely in pregnancy, she said.
As with all such treatments, dermatologists should remember to consider and counsel about herpes simplex virus prophylaxis and sun protection.
Dr. Glaser reported financial relationships with Galderma, Ulthera, Ortho, Allergan, Cellgene, and other pharmaceutical companies.
MILAN – according to Dee Anna Glaser, MD.
Speaking at the World Congress of Dermatology, Dr. Glaser, director of clinical research and interim chair of the department of dermatology at Saint Louis University, said that in her practice, acne and actinic keratosis are the most common medical indications for chemical peels and that “acne is just a winner all the way around.”
For acne, she added: “Chemical peels can help both the comedonal and the inflammatory component. It should probably be combined with other therapies, and it does produce both an exfoliative and an anti-inflammatory benefit,.”
A variety of chemical peel formulations can be considered for acne, Dr. Glaser noted. “Typically, you’re going to use a light chemical peel,” such as glycolic or salicylic acid. Other options include Jessner’s solution or a light trichloroacetic acid formulation, she said, adding that tretinoin alone can also be considered.
In choosing between glycolic and salicylic acid, Dr. Glaser said, “salicylic acid should theoretically be the best agent because it is lipophilic and the glycolic acid is hydrophilic.” The reality of how these agents perform clinically, though, may sort out differently.
Dr. Glaser pointed to a double-blind, randomized controlled trial of the two agents in 20 women with facial acne. The severity of participants’ inflammatory acne was mild to moderate, with an average of 27 inflammatory lesions, and they had been on a stable prescription or over-the-counter acne regimen for at least 2 months (Dermatol Surg. 2008 Jan;34[1]:45-50).
Patients received six peels – one every 2 weeks – with 30% glycolic acid (an alpha-hydroxy acid) and 30% salicylic acid (a beta-hydroxy acid) in the split-face study.
All participants started at 4 minutes of exposure and increased up to 5 minutes as tolerated, although timing is only really important for glycolic acid, the same duration of exposure was maintained for each agent for the sake of consistency between arms, said Dr. Glaser, one of the investigators.
Sharing photographs of study participants, she observed that after six peels, “there really isn’t a significant difference.” Therefore, she added, “even though salicylic acid should be better, you can see that glycolic acid really held its own in this study.”
Dr. Glaser pointed out that a trend was seen for slightly better results with salicylic acid and results with this agent were more durable than those seen with glycolic acid. Patients reported fewer side effects on the beta-hydroxy–treated side as well.
She referred to another study, conducted in Japan, that used a double-blind, split-face design to compare 40% glycolic acid with a placebo that had a similarly low pH of 2.0. The 26 patients with moderate acne received five peels on a biweekly schedule, with glycolic acid significantly outperforming placebo. Among acne subtypes, noninflammatory acne improved more than inflammatory acne with glycolic acid (Dermatol Surg. 2014 Mar;40[3]:314-22).
Dr. Glaser said that in her own practice, she still tries to use salicylic acid for her acne patients,” though some patients prefer the experience of a glycolic acid peel, with which there’s likely to be less pain. “So if you have a preference, or your patient has a preference, you will probably be able to use the acid that works best for you,” she said.
Whatever peel is chosen, it should be considered an adjuvant to other topical and systemic acne therapies, Dr. Glaser stressed. “To maintain the results, you really do need to maintain the patient on some sort of standard acne therapy that you would normally do.”
Peels can also be an effective part of a multipronged approach that includes laser therapy and intralesional steroids, she said. However, peels can be considered for monotherapy in patients who don’t tolerate other acne therapies, and they can be used safely in pregnancy, she said.
As with all such treatments, dermatologists should remember to consider and counsel about herpes simplex virus prophylaxis and sun protection.
Dr. Glaser reported financial relationships with Galderma, Ulthera, Ortho, Allergan, Cellgene, and other pharmaceutical companies.
MILAN – according to Dee Anna Glaser, MD.
Speaking at the World Congress of Dermatology, Dr. Glaser, director of clinical research and interim chair of the department of dermatology at Saint Louis University, said that in her practice, acne and actinic keratosis are the most common medical indications for chemical peels and that “acne is just a winner all the way around.”
For acne, she added: “Chemical peels can help both the comedonal and the inflammatory component. It should probably be combined with other therapies, and it does produce both an exfoliative and an anti-inflammatory benefit,.”
A variety of chemical peel formulations can be considered for acne, Dr. Glaser noted. “Typically, you’re going to use a light chemical peel,” such as glycolic or salicylic acid. Other options include Jessner’s solution or a light trichloroacetic acid formulation, she said, adding that tretinoin alone can also be considered.
In choosing between glycolic and salicylic acid, Dr. Glaser said, “salicylic acid should theoretically be the best agent because it is lipophilic and the glycolic acid is hydrophilic.” The reality of how these agents perform clinically, though, may sort out differently.
Dr. Glaser pointed to a double-blind, randomized controlled trial of the two agents in 20 women with facial acne. The severity of participants’ inflammatory acne was mild to moderate, with an average of 27 inflammatory lesions, and they had been on a stable prescription or over-the-counter acne regimen for at least 2 months (Dermatol Surg. 2008 Jan;34[1]:45-50).
Patients received six peels – one every 2 weeks – with 30% glycolic acid (an alpha-hydroxy acid) and 30% salicylic acid (a beta-hydroxy acid) in the split-face study.
All participants started at 4 minutes of exposure and increased up to 5 minutes as tolerated, although timing is only really important for glycolic acid, the same duration of exposure was maintained for each agent for the sake of consistency between arms, said Dr. Glaser, one of the investigators.
Sharing photographs of study participants, she observed that after six peels, “there really isn’t a significant difference.” Therefore, she added, “even though salicylic acid should be better, you can see that glycolic acid really held its own in this study.”
Dr. Glaser pointed out that a trend was seen for slightly better results with salicylic acid and results with this agent were more durable than those seen with glycolic acid. Patients reported fewer side effects on the beta-hydroxy–treated side as well.
She referred to another study, conducted in Japan, that used a double-blind, split-face design to compare 40% glycolic acid with a placebo that had a similarly low pH of 2.0. The 26 patients with moderate acne received five peels on a biweekly schedule, with glycolic acid significantly outperforming placebo. Among acne subtypes, noninflammatory acne improved more than inflammatory acne with glycolic acid (Dermatol Surg. 2014 Mar;40[3]:314-22).
Dr. Glaser said that in her own practice, she still tries to use salicylic acid for her acne patients,” though some patients prefer the experience of a glycolic acid peel, with which there’s likely to be less pain. “So if you have a preference, or your patient has a preference, you will probably be able to use the acid that works best for you,” she said.
Whatever peel is chosen, it should be considered an adjuvant to other topical and systemic acne therapies, Dr. Glaser stressed. “To maintain the results, you really do need to maintain the patient on some sort of standard acne therapy that you would normally do.”
Peels can also be an effective part of a multipronged approach that includes laser therapy and intralesional steroids, she said. However, peels can be considered for monotherapy in patients who don’t tolerate other acne therapies, and they can be used safely in pregnancy, she said.
As with all such treatments, dermatologists should remember to consider and counsel about herpes simplex virus prophylaxis and sun protection.
Dr. Glaser reported financial relationships with Galderma, Ulthera, Ortho, Allergan, Cellgene, and other pharmaceutical companies.
EXPERT ANALYSIS FROM WCD2019