Ultragenyx and Mereo advance UX143 osteogenesis imperfecta study to final analysis

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Ultragenyx and Mereo BioPharma Announce UX143 Phase 3 Orbit Study for Osteogenesis Imperfecta Progressing to Final Analysis

July 9, 2025 4:05 PM EDT

Data from Orbit and Cosmic studies expected around the end of the year

NOVATO, Calif., July 09, 2025 (GLOBE NEWSWIRE) -- Ultragenyx Pharmaceutical Inc. (NASDAQ: RARE) and Mereo BioPharma Group plc (NASDAQ: MREO), today announced that the randomized, placebo-controlled Phase 3 portion of the Orbit study evaluating UX143 (setrusumab) in... More