Natco Pharma Limited announced final approval of Abbreviated New Drug Application (ANDA) containing a paragraph IV certification filed with the US Food and Drug Administration (FDA) for generic version of Armodafinil Tablets, 50 mg, 150 mg, and 250 mg. NATCO and its marketing partner Breckenridge Pharmaceutical, Inc, plan to launch this product in the US market immediately.

Cephalon (acquired by Teva in 2011) sells Armodafinil 50mg, 150mg, and 250mg tablets under Brand name Nuvigil in the US market. Nuvigil is a wakefulness promoting agent for oral administration.