Washington, DC–(ENEWSPF)–July 6, 2015. AstraZeneca LP has agreed to pay the United States and participating states a total of $46.5 million, plus interest, to resolve allegations that it knowingly underpaid rebates owed under the Medicaid Drug Rebate Program, the Justice Department announced today. Of that amount, AstraZeneca will pay roughly $26.7 million, plus interest, to the United States, and the remainder to states participating in the settlement. In a separate settlement arising out of the same case, Cephalon Inc. has agreed to pay the United States and participating states a total of $7.5 million, plus interest, to resolve similar allegations. Of that amount, Cephalon will pay roughly $4.3 million, plus interest, to the United States, and the remainder to states participating in the settlement.