AccessMyLibrary provides FREE access to over 30 million articles from top publications available through your library.
Create a link to this page
Copy and paste this link tag into your Web page or blog:
A Harvard University study concludes that one in five new prescription drugs may ultimately be recalled or will produce harmful side effects.
Researchers in Cambridge, Massachusetts evaluated 548 drugs that were initially marketed between 1975 and 1999. They looked up drug recalls and scanned the Physician's Desk Reference, a commonly used source of information, for warnings on side effects.
During that time, 10 percent of new drugs either received warnings or were withdrawn--half within seven years after they first appeared on the market. Based on these results, the team calculates that each new drug has a 20 percent chance--over a 25-year period--of being withdrawn or producing unexpected side effects.
The study found that 56 of 548 new drugs approved by the US Food and Drug Administration (FDA) during the 25-year period were banned from the market altogether or subjected to so-called "black box" safety warnings--notations posted on drug labels to ...