Drugs
FDA, Ultragenyx Settle OTC Phase 3 Study Design
At an FDA/Untragenyx end-of-Phase-2 meeting for the DTX301 ornithine transcarbamylase (OTC) deficiency gene therapy program, the parties reached an agreement on the design and endpoints for a Phase 3 study. The company says the study will include a 64-week primary efficacy analysis period and enroll