-- Data for Investigational Gene Therapy Treatment NBIb-1817 (VY-AADC) Presented at the MDS Virtual Congress 2020 --SAN DIEGO and CAMBRIDGE, Mass., Sept. 11, 2020 (GLOBE NEWSWIRE) -- Neurocrine Biosciences, Inc. (Nasdaq: NBIX) and Voyager Therapeutics, Inc. (Nasdaq: VYGR) today announced data from  PD-1101, a Phase Ib open-label, three-year efficacy and safety study, demonstrating that a one-time treatment with investigational gene therapy, NBIb-1817 (VY-AADC), showed sustained improvement in motor function including greater “On” time without troublesome dyskinesia, reduction in Unified Parkinson’s Disease Rating Scale (UPDRS) Part III scores, and reduction in the amount of medications in patients with Parkinson’s disease. In the PD-1101 study, NBIb-1817 reduced average “Off” time by up to -1.91 hours and improved average “On” time without troublesome dyskinesia by up to +2.23 hours in patients with advanced Parkinson’s disease after three years across three cohorts. In addition, 14 out of 15 patients treated with NBIb-1817 continued to show an improvement in disease staging after three years, as assessed by the modified Hoehn & Yahr scale. These new data, along with two-year data from another open-label Phase Ib trial, PD-1102, were presented today at the MDS Virtual Congress 2020, September 12–16, 2020 (www.mdscongress.org/Congress/Registration.htm).

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Neurocrine Biosciences and Voyager Therapeutics Present New Long-Term Three-Year Data Demonstrating that One-Time Treatment with an Investigational...