Setrusumab - Mereo BioPharma/Ultragenyx Pharmaceutical
Alternative Names: Anti-sclerostin-monoclonal-antibody-Mereo; BPS-804; UX-143Latest Information Update: 18 Aug 2026
At a glance
- Originator MorphoSys; Novartis
- Developer Mereo BioPharma; Novartis; Ultragenyx Pharmaceutical
- Class Monoclonal antibodies
- Mechanism of Action SOST protein inhibitors
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Orphan Drug Status
Yes - Osteogenesis imperfecta
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
- Available For Licensing Yes
Highest Development Phases
- Phase III Osteogenesis imperfecta
- Discontinued Hypophosphatasia; Postmenopausal osteoporosis
Most Recent Events
- 11 Aug 2026 Mereo and Ultragenyx Pharmaceutical hold discussions with the regulators in the US and UK for setrusumab in Osteogenesis imperfecta (In children), prior to August 2026
- 11 Aug 2026 Mereo and Ultragenyx Pharmaceutical engages with regulatory agencies to determine a potential path forward for setrusumab in paediatric patients with Osteogenesis imperfecta, prior to August 2026
- 29 Dec 2025 Efficacy and adverse events data from the phase III COSMIC trial in Osteogenesis imperfecta released by Ultragenyx Pharmaceutical