Gefurulimab - Alexion AstraZeneca Rare Disease
Alternative Names: ALXN-1720Latest Information Update: 21 Aug 2026
At a glance
- Originator Alexion AstraZeneca Rare Disease
- Class Bispecific antibodies; Recombinant fusion proteins; Single-domain antibodies
- Mechanism of Action Complement C5 inhibitors
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Orphan Drug Status
Yes - Myasthenia gravis
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Preregistration Myasthenia gravis
- No development reported Proteinuria
Most Recent Events
- 27 Jul 2026 Preregistration for Myasthenia gravis (SC) (AstraZeneca pipeline, July 2026)
- 30 Oct 2025 Adverse events and efficacy data from a phase III PREVAIL trial in Myasthenia gravis released by AstraZeneca
- 28 Jul 2025 No recent reports of development identified for phase-I development in Proteinuria in South Korea (SC, Infusion)