Congress today sent letters requesting that Food and Drug Administration commissioner Andrew von Eschenbach and executives of the drug companies Merck and Schering-Plough hand over documents detailing the marketing campaign for the cholesterol drug Vytorin.
The results of a clinical trial released Monday found that Vytorin did not reduce the buildup of harmful plaque in arteries any better than a much cheaper generic drug.
But the study was completed in April 2006. Typically, results are...
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