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Zyban goes generic

Executive Summary

Impax/Teva launch first generic version of GlaxoSmithKline's Zyban (bupropion 150 mg) after Andrx relinquishes 180-day marketing exclusivity. Impax' ANDA was approved March 27; under a July 2003 agreement, Andrx will share in the profits of the Impax/Teva product for six months. Andrx also gave up first-to-file rights on the compound for antidepressant use, allowing launch of Wellbutrin SR generics in March (1"The Pink Sheet" March 29, 2004, p. 27)...

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