Biotechnology Following US Food and Drug Administration approval of gene therapy Zolgensma (onasemnogene abeparvovec-xxxx) on May 24, the agency said on Tuesday that, on June 28, it was informed by AveXis, the product’s manufacturer and developer, about a data manipulation issue that impacts the accuracy of certain data from product testing performed in animals submitted in the biologics license application (BLA) and reviewed by the FDA. 7 August 2019