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Public release date: 31-Dec-2012[ | E-mail |
Share ] Contact: Jessica Maki
jmaki3@partners.org
617-534-1603
Brigham and Women's Hospital
Changes in pill appearance significantly increase the odds that patients will stop taking their drugs as prescribed
Boston, MAGeneric medications currently account for over 70 percent of prescriptions dispensed. However, while generic drugs are clinically bioequivalent to the brand-name version, they often differ in their physical characteristics, such as color and shape. Researchers from Brigham and Women's Hospital (BWH) have found that some patients who receive generic drugs that vary in their color are over 50 percent more likely to stop taking the drug, leading to potentially important and potentially adverse clinical effects.
The study will be published electronically on December 31, 2012 in the Archives of Internal Medicine.
"Pill appearance has long been suspected to be linked to medication adherence, yet this is the first empirical analysis that we know of that directly links pills' physical characteristics to patients' adherence behavior," explained Aaron S. Kesselheim MD, JD, MPH, assistant professor of medicine in the Division of Pharmacoepidemiology and Pharmacoeconomics at BWH, and principal investigator of this study. "We found that changes in pill color significantly increase the odds that patients will stop taking their drugs as prescribed."
The researchers conducted a case-control study of patients taking antiepileptic drugs and compared the odds that patients who did not refill their medication had been given pills that differed in color or shape from the prior prescriptions. Using a large national database of filled prescriptions, when the researchers identified a break in the patient's use of the drug, they looked at the previous two prescription fillings to see if they were the same color and shape. They found that interruptions in the prescription filling occurred significantly more frequently when the pills had different color. Interruptions in antiepileptic drug use for even a few days can raise the risk of seizure and have important medical and social consequences for patients.
These findings offer important take-home messages for physicians, pharmacists, and patients. As Kesselheim explained, "Patients should be aware that their pills may change color and shape, but that even differently-appearing generic drugs are approved by the FDA as being bioequivalent to their brand-name counterparts and are safe to take. Physicians should be aware that changes in pill appearance might explain their patients' non-adherence. Finally, pharmacists should make a point to tell patients about the change in color and shape when they change generic suppliers."
Researchers acknowledge that medication adherence is a multi-faceted issue, but suggest that taking steps to permit (or even require) similarity in pill appearance among bioequivalent brand name and generic drugs may offer a relatively simple way to contribute to better adherence.
###
This research was supported by a career development award from the Agency for Healthcare Research & Quality (K08HS18465-01), and a Robert Wood Johnson Foundation Investigator Award in Health Policy Research. Dr. Choudhry has received unrestricted research grants from CVS Caremark, Aetna, the Commonwealth Fund, and the Robert Wood Johnson Foundation to study medication adherence. Dr. Shrank has received unrestricted research funding from CVS Caremark, Aetna, Teva, Lilly, and the National Association of Chain Drug Stores.
Brigham and Women's Hospital (BWH) is a 793-bed nonprofit teaching affiliate of Harvard Medical School and a founding member of Partners HealthCare. BWH has more than 3.5 million annual patient visits, is the largest birthing center in New England and employs nearly 15,000 people. The Brigham's medical preeminence dates back to 1832, and today that rich history in clinical care is coupled with its national leadership in patient care, quality improvement and patient safety initiatives, and its dedication to research, innovation, community engagement and educating and training the next generation of health care professionals. Through investigation and discovery conducted at its Biomedical Research Institute (BRI), BWH is an international leader in basic, clinical and translational research on human diseases, involving nearly 1,000 physician-investigators and renowned biomedical scientists and faculty supported by nearly $625 million in funding. BWH continually pushes the boundaries of medicine, including building on its legacy in organ transplantation by performing the first face transplants in the U.S. in 2011. BWH is also home to major landmark epidemiologic population studies, including the Nurses' and Physicians' Health Studies, OurGenes and the Women's Health Initiative. For more information and resources, please visit BWH's online newsroom.
[ | E-mail | Share ] ?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Public release date: 31-Dec-2012[ | E-mail |
Share ] Contact: Jessica Maki
jmaki3@partners.org
617-534-1603
Brigham and Women's Hospital
Changes in pill appearance significantly increase the odds that patients will stop taking their drugs as prescribed
Boston, MAGeneric medications currently account for over 70 percent of prescriptions dispensed. However, while generic drugs are clinically bioequivalent to the brand-name version, they often differ in their physical characteristics, such as color and shape. Researchers from Brigham and Women's Hospital (BWH) have found that some patients who receive generic drugs that vary in their color are over 50 percent more likely to stop taking the drug, leading to potentially important and potentially adverse clinical effects.
The study will be published electronically on December 31, 2012 in the Archives of Internal Medicine.
"Pill appearance has long been suspected to be linked to medication adherence, yet this is the first empirical analysis that we know of that directly links pills' physical characteristics to patients' adherence behavior," explained Aaron S. Kesselheim MD, JD, MPH, assistant professor of medicine in the Division of Pharmacoepidemiology and Pharmacoeconomics at BWH, and principal investigator of this study. "We found that changes in pill color significantly increase the odds that patients will stop taking their drugs as prescribed."
The researchers conducted a case-control study of patients taking antiepileptic drugs and compared the odds that patients who did not refill their medication had been given pills that differed in color or shape from the prior prescriptions. Using a large national database of filled prescriptions, when the researchers identified a break in the patient's use of the drug, they looked at the previous two prescription fillings to see if they were the same color and shape. They found that interruptions in the prescription filling occurred significantly more frequently when the pills had different color. Interruptions in antiepileptic drug use for even a few days can raise the risk of seizure and have important medical and social consequences for patients.
These findings offer important take-home messages for physicians, pharmacists, and patients. As Kesselheim explained, "Patients should be aware that their pills may change color and shape, but that even differently-appearing generic drugs are approved by the FDA as being bioequivalent to their brand-name counterparts and are safe to take. Physicians should be aware that changes in pill appearance might explain their patients' non-adherence. Finally, pharmacists should make a point to tell patients about the change in color and shape when they change generic suppliers."
Researchers acknowledge that medication adherence is a multi-faceted issue, but suggest that taking steps to permit (or even require) similarity in pill appearance among bioequivalent brand name and generic drugs may offer a relatively simple way to contribute to better adherence.
###
This research was supported by a career development award from the Agency for Healthcare Research & Quality (K08HS18465-01), and a Robert Wood Johnson Foundation Investigator Award in Health Policy Research. Dr. Choudhry has received unrestricted research grants from CVS Caremark, Aetna, the Commonwealth Fund, and the Robert Wood Johnson Foundation to study medication adherence. Dr. Shrank has received unrestricted research funding from CVS Caremark, Aetna, Teva, Lilly, and the National Association of Chain Drug Stores.
Brigham and Women's Hospital (BWH) is a 793-bed nonprofit teaching affiliate of Harvard Medical School and a founding member of Partners HealthCare. BWH has more than 3.5 million annual patient visits, is the largest birthing center in New England and employs nearly 15,000 people. The Brigham's medical preeminence dates back to 1832, and today that rich history in clinical care is coupled with its national leadership in patient care, quality improvement and patient safety initiatives, and its dedication to research, innovation, community engagement and educating and training the next generation of health care professionals. Through investigation and discovery conducted at its Biomedical Research Institute (BRI), BWH is an international leader in basic, clinical and translational research on human diseases, involving nearly 1,000 physician-investigators and renowned biomedical scientists and faculty supported by nearly $625 million in funding. BWH continually pushes the boundaries of medicine, including building on its legacy in organ transplantation by performing the first face transplants in the U.S. in 2011. BWH is also home to major landmark epidemiologic population studies, including the Nurses' and Physicians' Health Studies, OurGenes and the Women's Health Initiative. For more information and resources, please visit BWH's online newsroom.
[ | E-mail | Share ] ?
AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.
Source: http://www.eurekalert.org/pub_releases/2012-12/bawh-dig121812.php
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