Opana ER Should Come Off The US Market, FDA Tells Endo
Agency seeks long-acting opioid’s withdrawal due to evidence the reformulated version increased intravenous abuse; FDA’s action, which Endo is weighing, portends a hard-line stance when it comes to opioid risks under new Commissioner Scott Gottlieb.
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Arbor Pharmaceuticals’ ADHD drug faces a challenging advisory committee after FDA questions whether even an effective abuse-deterrent stimulant formulation could produce a public health benefit. And the agency isn’t convinced that Arbor’s 505(b)(2) application for its immediate release amphetamine formulation has in fact demonstrated it would reduce abuse and misuse.
Although abuse by intravenous route is expected to be deterred compared to immediate-release oxycodone, neither nasal nor oral abuse deterrence was demonstrated in two new human abuse potential studies, agency concludes; product has a new formulation and a new name, Aximris XR, since a 2017 AdComm.
Citizen petition seeks review of all marketed opioids; agency is considering whether new opioids should have comparative benefit over existing drugs.