Inebilizumab - Horizon Therapeutics plc
Alternative Names: 16C4-aFuc; A-fucosylated anti-CD19 antibody; Anti-CD19 MAb-Horizon Therapeutics plc; Inebilizumab-cdon; MEDI 551; MT-0551; UPLIZNA; VIB-0551Latest Information Update: 28 Aug 2026
At a glance
- Originator Duke University
- Developer Horizon Therapeutics plc; Jiangsu Hansoh Pharmaceutical; MedImmune; Tanabe Pharma Corporation
- Class Antineoplastics; Eye disorder therapies; Hepatoprotectants; Immunotherapies; Monoclonal antibodies; Skin disorder therapies
- Mechanism of Action Antibody-dependent cell cytotoxicity; T lymphocyte stimulants
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Orphan Drug Status
Yes - Neuromyelitis optica; Scleroderma; 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 Immunoglobulin G4-related disease; Myasthenia gravis; Neuromyelitis optica
- Phase III Systemic scleroderma
- Phase II/III Autoimmune hepatitis
- Phase II Systemic lupus erythematosus
- No development reported Renal transplant rejection
- Discontinued B-cell lymphoma; Chronic lymphocytic leukaemia; Diffuse large B cell lymphoma; Follicular lymphoma; Multiple myeloma; Multiple sclerosis
Most Recent Events
- 04 Aug 2026 Amgen plans a phase-III trial for Chronic inflammatory demyelinating polyradiculoneuropathy in second half of 2026 to first half of 2027
- 06 Jun 2026 Pharmacodynamics data form phase III trial in Immunoglobulin G4 related disease presented at the 27th Annual Congress of the European League Against Rheumatism (EULAR-2026)
- 03 Jun 2026 Efficacy and adverse events data from a phase III MITGATE trial in Immunoglobulin G4 related disease released by Amgen