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Cerevel Therapeutics happy with results from a Phase 2 study of Tavapadon in patients with early-stage Parkinson’s Disease

Cerevel’s study of Tavapadon results demonstrated a statistically significant improvement in motor symptoms with once-daily dosing of oral tavapadon, which has enabled the company to plan on kicking off Phase 3 trials of tavapadon to fully characterize its potential benefit for patients with Parkinson’s disease.

BOSTON–(BUSINESS WIRE)–Cerevel Therapeutics, a company dedicated to unraveling the mysteries of the brain to treat neuroscience diseases, announced today positive results from a Phase 2 clinical trial evaluating oral tavapadon (formerly PF-06649751) in patients with early-stage Parkinson’s disease. The study met its primary endpoint, demonstrating a statistically significant improvement from baseline in motor symptoms as evaluated by the Movement Disorder Society – Unified Parkinson’s Disease Rating Scale (MDS-UPDRS) Part III score at 15 weeks in patients treated with tavapadon compared with those treated with placebo.

The study results are being presented today at the 2019 International Congress of Parkinson’s Disease and Movement Disorders®, in Nice, France, by David Gray, Ph.D., vice president of chemistry at Cerevel Therapeutics and Phase 2 study team leader, during a poster presentation session from 1:45 to 3:15 p.m. CEST (7:45 to 9:15 a.m. EDT).

“The positive Phase 2 efficacy and safety data presented today reinforce the potential of tavapadon as a new treatment option for patients with Parkinson’s disease,” said Raymond Sanchez, M.D., chief medical officer of Cerevel Therapeutics. “Given the favorable profile of tavapadon in clinical studies to date, we see potential for this novel therapy in a variety of treatment settings for Parkinson’s disease, both as a monotherapy for patients with early-stage disease and as an adjunct to levodopa for patients with late-stage disease. Over the course of 2020, we plan to initiate a robust Phase 3 development program to fully characterize the utility of tavapadon in patients with early- and late-stage Parkinson’s.”

The randomized, double-blind, placebo-controlled, flexible-dose Phase 2 study enrolled 57 patients, age 45 to 80 years, with early-stage Parkinson’s disease (disease severity ranging from Stage I to III on the Hoehn & Yahr scale). The 15-week treatment period included nine weeks of dose optimization followed by six weeks of stable dosing. The primary efficacy endpoint was the change from baseline in the MDS-UPDRS Part III total score at week 15, evaluating motor symptoms. The study also included the Patient Global Impression of Change (PGI-C) and The Epworth Sleepiness Scale as secondary endpoints. Treatment compliance was high in both groups and 82 percent of patients who received study medication completed the trial.

Results demonstrated the following:

“Current approaches and treatment options for patients with Parkinson’s disease are often associated with significant complications, troublesome side effects or limited efficacy,” said Dr. Gray. “I’m encouraged by these results, which demonstrated that tavapadon was significantly more effective than placebo in improving motor symptoms and was well tolerated. It has the potential to be a promising new treatment option for people with Parkinson’s disease.”

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