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Impax faces generic Oxycontin patent challenge
HAYWARD, Calif. — Another generic drug maker is seeking to market its version of a popular opioid painkiller.
Impax said it had filed applications with the Food and Drug Administration seeking approval for a generic version of Purdue Pharma’s Oxycontin (oxycodone) controlled-release tablets in the 10-, 15-, 20-, 30-, 40-, 60- and 80-mg strengths.
Purdue filed suit against Impax on April 8 in the U.S. District Courts for the Southern District of New York, seeking to prevent Impax from marketing its version before the expiration of Purdue's patents.
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Watson faces patent challenge over generic Vigamox
PARSIPPANY, N.J. — Watson announced that its subsidiary is seeking approval to market a generic version of a bacterial conjunctivitis treatment.
Watson Labs filed an abbreviated new drug application with the Food and Drug Administration for moxifloxacin hydrochloride ophthalmic solution USP in the 0.5% strength. The antibiotic solution is a generic version of Alcon's Vigamox, which had total U.S. sales of about $281 million ended in February, according to IMS Health.