Amneal Gets Approval for Parkinson’s Drug

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FDA has approved an Amneal Pharmaceuticals NDA for Crexont (carbidopa and levodopa) extended-release capsules for treating Parkinson’s disease. The product is described as a novel oral formulation of carbidopa/levodopa that combines both immediate-release granules and extended-release pellets that are designed to provide a longer duration of good “on” with less frequent dosing compared to currently approved immediate-release formulations of carbidopa and levodopa. Good "on" time is defined as “on” time without troublesome dyskinesia as the disease progresses, the company says. The formulation is intended to remain in the small intestine for a longer period, helping it to be consistently absorbed, it adds.

Amneal resubmitted the NDA in February and it addressed issues raised in a 7/2023 complete response letter related to safety concerns, according to Amneal. “The resubmission package included data from a healthy volunteer study which was conducted in the fourth quarter of 2023,” it said at the time, adding that the agency did not request any other studies.

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