Jiangsu Hengrui’s US eVenus Pharmaceutical Laboratories subsidiary has won US Food and Drug Administration approval for the first generic version of Pacira BioSciences’ Exparel (bupivacaine) liposomal injectable, the long-acting local analgesic for post-surgical pain which brought in sales of nearly $550m last year.
Guarded strongly by demanding bioequivalence guidance and a litany of patents, Exparel has faced almost no threat from generic competition since its FDA approval in October 2011.
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