Results from the Second Year of Evrysdi™ (risdiplam) Treatment Demonstrated Sustained Improvement of Motor Function in a Broad Range of SMA Patients - Sustained or improved motor function was observed with 24 months of treatment - - Patients and caregivers reported a greater ability to complete activities of daily livingwith increased independence - News provided by Share this article Share this article SOUTH PLAINFIELD, N.J., March 16, 2021 /PRNewswire/ -- PTC Therapeutics, Inc. (NASDAQ: PTCT) today announced two-year data from Part 2 of the SUNFISH trial evaluating Evrysdi™ (risdiplam) in children and adults with Type 2 or Type 3 spinal muscular atrophy (SMA) at the 2021 Muscular Dystrophy Association (MDA) Virtual and Scientific Conference. These results demonstrated that Evrysdi patients sustained or improved in motor function after 24 months of treatment. Furthermore, the patients and caregivers reported improvements in their ability to function independently as well as their ability to complete daily tasks.