On October 21st, Sio Gene Therapies Inc. made two major announcements featuring one of its lead gene therapy candidates. The New York-based company presented positive interim data for AXO-AAV-GM1, its AAV9-based gene therapy for GM1 gangliosidosis, at the ESGCT Virtual Congress 2021. On the same day, it also announced the FDA’s Fast Track Designation granted for the drug.