PTC Therapeutics to launch first gene therapy directly administered into the brain PTC Therapeutics, Inc. announced on July 20th, 2022 that Upstaza™ (eladocagene exuparvovec) was granted marketing authorisation by the European Commission. Upstaza is the first approved disease-modifying treatment for aromatic L-amino acid decarboxylase (AADC) deficiency and the first marketed gene therapy directly infused into…