Federal Register Notice/Final rule: FDA is withdrawing approval of three Zoetis Inc. NADAs for 3-NITRO (roxarsone) Type A medicated article, roxarsone Type A medicated articles, and for CARB-O-SEP (carbarsone) Type A medicated article at the sponsor’s request because the products are no longer manufactured or marketed. The agency is also amending the animal drug regulations to reflect the withdrawal. To view this notice, click here.
