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CVS Caremark Research Finds Medication Adherence Can Improve Outcomes and Reduce Costs for Patients with Coronary Artery Disease

WOONSOCKET, R.I., March 19, 2013 /PRNewswire/ -- Heart disease costs the United States $108.9 billion each year according to the Centers for Disease Control, but there are ways those costs can be controlled. Research published in the April issue of the American Journal of Medicine found that patients with coronary artery disease (CAD) who are adherent to their prescribed medications can save the health care system up to $868 per patient per year.  The study, conducted by researchers at Brigham and Women's Hospital and CVS Caremark (NYSE: CVS), found a consistent trend toward improvement in coronary artery-related events, mortality, readmissions, and costs among those patients who most adhered to their medication regimens.

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"Managing rising health care costs is the most pressing issue facing our health care system today," said Troyen A. Brennan, MD, MPH, Executive Vice President and Chief Medical Officer of CVS Caremark. "This study affirms a consistent trend we have seen in research regarding the positive effect of improving medication adherence. Patients with chronic conditions are healthier when they adhere to their prescribed medication regimens and, as a result, the costs associated with their care are reduced."

In the study, entitled "The Impact of Medication Adherence on Coronary Artery Disease Costs and Outcomes: A Systematic Review," the researchers reviewed over 2500 studies published between 1966 and 2011, analyzing in detail the 25 studies that met the inclusion criteria related to adherence and coronary artery disease outcomes. A subset of the studies measured the impact of medication adherence on primary prevention of CAD and the remainder focused on the relationship between medication adherence and costs and outcomes related to secondary prevention of the disease. All of the studies reviewed found that adherence significantly improves health outcomes, and those that analyzed costs found reduced total annual CAD costs (consistently between $294 and $868 per patient).

While the study found consistent outcomes in cost reductions and health improvements related to better medication adherence, the researchers also identified an opportunity for greater standardization and improved research methods across medication adherence studies. The authors pointed out that many of the studies they reviewed did not account for what they refer to as the "healthy adherer" effect; noting that few of the studies they analyzed controlled for predisposed healthy behaviors in the patients that were followed.

"The research community has long believed that those patients who adhere to their medications may also be more likely to pursue a healthier lifestyle," said Asaf Bitton , MD, MPH, lead author of the study affiliated with the Brigham and Women's Hospital Division of General Medicine and the Harvard Medical School Center for Primary Care. "The next step from a research perspective would be to find a consistent way to control for the effect of these 'healthy adherers' to provide a more accurate picture of adherence for future studies and to further advance the research science in this field."

Heart disease is the leading cause of death in the United States for both men and women. About 600,000 people die of heart disease in the United States every year with coronary heart disease being the most common type of heart disease, killing more than 385,000 people annually.[1]

CVS Caremark has been working in a multi-year collaboration with Harvard University and Brigham and Women's Hospital to research pharmacy claims data in order to better understand patient behavior, particularly around medication adherence. Annual excess health care costs due to medication non-adherence in the U.S. have been estimated to be as much as $290 billion annually.

About CVS Caremark
CVS Caremark is dedicated to helping people on their path to better health as the largest integrated pharmacy company in the United States. Through the company's more than 7,400 CVS/pharmacy stores; its leading pharmacy benefit manager serving more than 60 million plan members; and its retail health clinic system, the largest in the nation with more than 600 MinuteClinic locations, it is a market leader in mail order, retail and specialty pharmacy, retail clinics, and Medicare Part D Prescription Drug Plans.  As a pharmacy innovation company with an unmatched breadth of capabilities, CVS Caremark continually strives to improve health and lower costs by developing new approaches such as its unique Pharmacy Advisor program that helps people with chronic diseases such as diabetes obtain and stay on their medications.  Find more information about how CVS Caremark is reinventing pharmacy for better health at[1] Contact:Christine Cramer

Maura Mone CVS Caremark

CVS Caremark (401)770 3317


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