The Food and Drug Administration (FDA) has accepted for filing the New Drug Application (NDA) for Inbrija (levodopa inhalation powder; Acorda), an investigational treatment for symptoms of off periods in patients with Parkinson disease.

Inbrija (previously known as CVT-301) is a self-administered, orally inhaled levodopa; it is designed to deliver a precise dose of a dry powder formulation of L-dopa to the lung. The NDA is supported by results from the Phase 3 safety and efficacy study SPAN-PD and from 2 separate long-term safety studies. The 12-week SPAN-PD trial found that treatment with Inbrija 84mg resulted in a statistically significant improvement in motor function in patients with Parkinson’s disease experiencing off periods. 

“Inhaled delivery of levodopa could help the many people living with Parkinson’s facing the complication of off periods as their disease progresses,” said Todd Sherer, PhD, CEO of The Michael J. Fox Foundation, who granted funds to the Inbrija Phase 1 and 2 trials. 

The FDA has set a Prescription Drug User Fee Act target date of October 5, 2018. 

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Reference

Acorda Announces FDA Acceptance of New Drug Application for INBRIJA™ (levodopa inhalation powder) [press release] Ardsley, NY: Acorda Therapeutics, Inc; February 20, 2018.

This article originally appeared on MPR