Overview Safety and Dose-Finding Study of DTX301 (scAAV8OTC) in Adults With Late-Onset OTC Deficiency Status: Active, not recruiting Trial end date: 2021-12-01 Target enrollment: Participant gender: Summary A Phase 1/2, open-label dose-finding safety study of single ascending doses of DTX301 in adults with late-onset OTC Deficiency Phase: Phase 1/Phase 2 Details Lead Sponsor: Ultragenyx Pharmaceutical IncTreatments: PrednisolonePrednisone