Impax Says Opana Deal Didn't Delay Competition

By Matthew Perlman ( August 17, 2018, 5:21 PM EDT) -- Impax Laboratories Inc. has hit back at efforts to revive a pay-for-delay case over the opioid medication Opana ER, telling the Federal Trade Commission in a brief that the agreement it reached with Endo Pharmaceuticals Inc. that is being challenged is the only reason the drug is on the market....

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