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September 08, 2025

Ultragenyx Announces Positive Longer-term Data from Phase 3 Study of DTX401 AAV Gene Therapy for the Treatment of Glycogen Storage Disease Type Ia (GSDIa)

At Week 96 participants experienced even greater reductions in daily cornstarch intake while maintaining low levels of hypoglycemia, improved levels of euglycemia and improved fasting tolerance Phase 3 results are further supported by early data from open-label Japanese cohort (n=3) where all

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August 29, 2025

Ultragenyx to Participate at Investor Conferences in September

NOVATO, Calif., Aug. 29, 2025 (GLOBE NEWSWIRE) -- Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE), a biopharmaceutical company focused on the development and commercialization of novel therapies for serious rare and ultra-rare genetic diseases, today announced participation in three upcoming investor

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