Solid Biosciences Inc. has announced approvals of its IND application and CTA by the U.S. FDA and Health Canada, respectively, for SGT-501, a novel gene therapy approach for the treatment of catecholaminergic polymorphic ventricular tachycardia (CPVT), a highly malignant, arrhythmogenic channelopathy caused by mutations in the RYR2 and CASQ2 genes.