Mepolizumab - GlaxoSmithKline
Alternative Names: 240563; Bosatria; Mepolizamab; Nucala; SB-240563Latest Information Update: 22 Jun 2026
At a glance
- Originator GlaxoSmithKline
- Developer GlaxoSmithKline; GSK; McMaster University; National Institute of Allergy and Infectious Diseases
- Class Anti-inflammatories; Antiallergics; Antiasthmatics; Monoclonal antibodies; Skin disorder therapies
- Mechanism of Action Interleukin 5 inhibitors
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Orphan Drug Status
Yes - Hypereosinophilic syndrome; Churg-Strauss syndrome
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 Asthma; Chronic obstructive pulmonary disease; Churg-Strauss syndrome; Hypereosinophilic syndrome; Nasal polyps
- Phase II Eosinophilic oesophagitis
- Discontinued Atopic dermatitis
Most Recent Events
- 02 Jun 2026 Registered for Chronic obstructive pulmonary disease (Adjunctive treatment) in Canada (SC)
- 21 May 2026 Launched for Chronic obstructive pulmonary disease (Adjunctive treatment) in USA (SC) before May 2026
- 21 May 2026 Launched for Churg-Strauss syndrome (Adjunctive treatment) in USA (SC) before May 2026