FDA Seeks More Data on Sanofi-Aventis (France), Bristol-Myers Squibb Company’s Plavix

WASHINGTON, Jan 26 (Reuters) - U.S. health regulators said on Monday they are reviewing the effectiveness of the widely used blood thinner Plavix, made by Sanofi-Aventis SA (SASY.PA) and Bristol-Myers Squibb Co (BMY.N), in some patients.

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