Ultragenyx Announces First Patient Dosed in Pivotal Phase 3 Aspire Study Evaluating GTX-102 in Angelman Syndrome

NOVATO, Calif., Dec. 19, 2024 (GLOBE NEWSWIRE) -- Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE), today announced that the first patient has been dosed in the pivotal Phase 3 Aspire study (NCT06617429) evaluating the efficacy and safety of GTX-102, its investigational antisense oligonucleotide (ASO) for Angelman syndrome.