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Zilucoplan - UCB

Drug Profile

Zilucoplan - UCB

Alternative Names: RA 101495; RA101495 SC; ZILBRYSQ; Zilbrysq; ZLP-AI

Latest Information Update: 14 Aug 2025

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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
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    Yes - Paroxysmal nocturnal haemoglobinuria; Myasthenia gravis
  • 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)

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