Drug Profile

Litifilimab - Biogen

Alternative Names: 24F4A; Anti-BDCA2 antibody - Biogen; BIIB-059

Latest Information Update: 31 Jul 2025

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At a glance

Originator Biogen Idec
Developer Biogen
Class Monoclonal antibodies; Skin disorder therapies
Mechanism of Action Immunomodulators

Orphan Drug Status

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

No
New Molecular Entity Yes

Highest Development Phases

Phase III Cutaneous lupus erythematosus; Systemic lupus erythematosus

Most Recent Events

07 Mar 2025 Efficacy data from a phase II LILAC trial in Lupus Erythematosus presented at the American Academy of Dermatology annual Meeting 2025 (AAD-2025)
02 Jan 2025 Biogen initiates a phase I pharmacokinetic trial (In volunteers) in the US (SC, Injection) (NCT06741657)
23 Dec 2024 Biogen plans a phase-I trial (In volunteers) (SC), (NCT06741657)

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