Adamas Pharmaceuticals Files NDA for Parkinson’s Therapy

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Adamas Pharmaceuticals has submitted an NDA for ADS-5102 (amantadine hydrochloride) extended-release capsules, indicated for treating levodopa-induced dyskinesia (LID) in patients with Parkinson’s disease. The submission is supported by efficacy and safety data from three placebo-controlled trials: EASED, EASE LID and EASE LID 3. The trials enrolled 286 patients, with 121 receiving a 340 mg dose of ADS-5102 once daily at bedtime. Two of the trials were Phase 3 studies, and they met all primary and key secondary endpoints, according to the company.

ADS-5102 is described as a chrono-synchronous amantadine therapy that is dosed once daily at bedtime to time the delivery of drug levels of amantadine to waking hours when LID episodes are most frequent and movement control is needed most.  “With bedtime dosing, the amantadine plasma concentrations rise slowly during the night to avoid sleep disturbance, with peak and plateau achieved from early morning to mid-day, declining in the late afternoon and evening,” the company says. ADS-5102 is also being evaluated for treating walking impairment in multiple sclerosis patients.

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