Business · 08/02/1994

Wyeth-Ayerst Laboratories, et al.; Withdrawal of Approval of NADA's

The Food and Drug Administration (FDA) is withdrawing approval of four new animal drug applications (NADA's) held by Wyeth-Ayerst Laboratories, Pharmachem Corp., Sanofi Animal Health, Inc., and Squire Laboratories, Inc., as the sponsors have stopped marketing the products.