PTC Therapeutics’ (PTCT) product Risdiplam demonstrated safety and tolerability at all the doses used in the studies on Type 1, 2 and 3 spinal muscular atrophy (SMA).

The good news emanated from interim data of the Part 1, open-label studies of FIREFISH and SUNFISH trials, with the oral drug Risdiplam on SMA patients. Risdiplam was dubbed effective,  substantiated by a confirmed increase in motor function.

Stuart W. Peltz, Ph.D., Chief Executive Officer of PTC Therapeutics explained that the emerging results . . .