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Do Clinical Trials Work?

Published July 29, 2013 by OSP

The centerpiece of the country’s drug-testing system — the randomized, controlled trial — had worked.  Except in one respect: doctors had no more clarity after the trial about how to treat brain cancer patients than they had before. Some patients did do better on the drug, and indeed, doctors and patients insist that some who take Avastin significantly beat the average. But the trial was unable to discover these “responders” along the way, much less examine what might have accounted for the difference. (Dr. Gilbert is working to figure that out now.) 

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