Drug Profile

Dupilumab - Regeneron/Sanofi

Alternative Names: Dupilumab-Sanofi/Regeneron; Dupixent; REGN-668; SAR-231893

Latest Information Update: 13 Sep 2026

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At a glance

Originator Regeneron Pharmaceuticals; sanofi-aventis
Developer Aimmune Therapeutics; Mayo Clinic; Regeneron Pharmaceuticals; Sanofi; Sanofi-Aventis GmbH
Class Anti-inflammatories; Antiallergics; Antiasthmatics; Antifungals; Antineoplastics; Antipruritics; Immunotherapies; Monoclonal antibodies; Skin disorder therapies
Mechanism of Action Interleukin 13 receptor antagonists; Interleukin 4 receptor antagonists

Orphan Drug Status

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

Yes - Bullous pemphigoid; Eosinophilic oesophagitis
New Molecular Entity Yes

Marketed Asthma; Atopic dermatitis; Chronic obstructive pulmonary disease; Chronic urticaria; Eosinophilic oesophagitis; Prurigo nodularis; Rhinosinusitis
Registered Bullous pemphigoid
Phase III Pruritus; Wheezing
Phase II/III Eosinophilic gastroenteritis
Phase II Aspergillosis; Eczema; Prostate cancer
No development reported Allergic asthma
Discontinued Grass pollen hypersensitivity; Peanut hypersensitivity; Ulcerative colitis

13 Sep 2026 3945621 - Contain clinical data of phase IV NCT05590585 study, hence no updates
24 Jun 2026 Regulatory submission withdrawn for Bullous pemphigoid in European Union (SC)
11 Jun 2026 Sanofi initiates enrollment in a phase I pharmacokinetics trial (In volunteers) in USA (SC, Injection) (NCT07646548)

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