Zilucoplan - UCB
Alternative Names: RA 101495; RA101495 SC; ZILBRYSQ; Zilbrysq; ZLP-AILatest Information Update: 14 Aug 2025
At a glance
- Originator Ra Pharmaceuticals
- Developer Ra Pharmaceuticals; UCB
- Class Antianaemics; Antivirals; Cyclic peptides; Lactams; Macrocyclic compounds; Urologics
- Mechanism of Action Complement C5 inhibitors
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Orphan Drug Status
Yes - Paroxysmal nocturnal haemoglobinuria; 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
- Marketed Myasthenia gravis
- Phase III COVID 2019 infections
- Phase II/III Amyotrophic lateral sclerosis
- Discontinued Haemolytic uraemic syndrome; Immune-mediated necrotising myopathy; Lupus nephritis; Paroxysmal nocturnal haemoglobinuria; Respiratory insufficiency; Unspecified
Most Recent Events
- 09 Jul 2025 UCB Biopharma initiates a phase I trial (In volunteers) in USA(SC, Injection)(NCT06961747)
- 08 May 2025 UCB Biopharma plans a phase I trial (In volunteers) (SC, Injection)(NCT06961747)
- 05 Apr 2025 Updated adverse event and efficacy data from a phase III trial in Myasthenia gravis was presented at the 77th Annual Meeting of the American Academy of Neurology 2025 (AAN-2025)