some more on vioxx

Medical Examiner in Slate:
To test the thesis that Vioxx might help prevent bowel cancer, researchers sponsored by Merck launched a study of 2,500 patients during the course of which it became apparent that whatever the drug's effect on cancer risk, it clearly increased the risk of heart attacks and of stroke. As a result of these findings, Merck took Vioxx off the market, leading to an estimated loss of $28 billion in market value for its stock. (It's worth noting that this increased cardiovascular risk appears to be a class effect that applies to all COX-2 drugs, not just Vioxx.)
The NEJM study in question. (may require proxy or whatever)

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