Adenoassociated virus (AAV) vectors have emerged as the prominent delivery mechanisms of corrective gene therapies. Three such products — Glybera (alipogene tiparvovec, uniQure), Luxturna (voretigene neparvovec-rzyl, Spark Therapeutics), and Zolgensma (onasemnogene abeparvovec-xioi, AveXis) — have been licensed, and a growing number of candidates are entering late-stage development. In mapping out an AAV gene therapy product development strategy, biomanufacturers should address fundamental considerations for their manufacturing strategies for both phase 1–2 clinical evaluation and translation for commercial market supply. A manufacturing…