Researchers at Stanford University Medical Center have identified a genetic marker that can explain why some people experience side effects to common antidepressants while others do not. They also found that a key liver enzyme involved in breaking down these antidepressants surprisingly played no role in the development of side effects nor in how well the drugs worked. The findings may lead to fewer side effects for patients undergoing antidepressant drug therapy.
"Antidepressants are among the most widely prescribed medications in the world," said lead author Greer Murphy Jr., MD, PhD, associate professor of psychiatry and behavioral sciences. "One of the mysteries at this point is why some people get debilitating side effects and others dont."
To start solving the mystery, Murphy and Alan Schatzberg, MD, the Kenneth T. Norris Jr. Professor of Psychiatry and Behavioral Sciences, wanted to find differences among patients in the function of proteins - and the genes that encode those proteins - that could account for the varied response to drug treatment. Their findings appear in the October issue of the American Journal of Psychiatry.
Mitzi Baker | EurekAlert!
The genes are not to blame
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