Gene therapy news - 2019-Nov-28th November 28, 2019 James Westbrooks Gene therapy: FDA grants priority review to risdiplam for spinal muscular atrophy (SMA) https://www.prnewswire.com/news-releases/ptc-therapeutics-announces-fda-grants-priority-review-to-risdiplam-for-the-treatment-of-spinal-muscular-atrophy-300964301.html