Sanofi-Aventis (France), Bristol-Myers Squibb Company's Plavix Failed to Strengthen Dialysis Veins
May 13 (Bloomberg) -- Plavix, an anti-clotting drug from Sanofi-Aventis SA and Bristol-Myers Squibb Co., failed to strengthen surgically created blood vessels enough to allow them to be used during in dialysis in patients with kidney failure, a study found.