Dupixent

Prescription Biologic (IL-4/IL-13 Inhibitor)

Dupilumab Injection

Manufacturer: Sanofi / Regeneron

Description

Dupixent is the first biologic approved specifically for moderate-to-severe atopic dermatitis. Dupilumab is a fully human monoclonal antibody that inhibits IL-4 and IL-13 signalling — the key type 2 inflammatory cytokines driving eczema. A breakthrough for patients with severe, refractory eczema.

Active Compounds

No tracked compounds

Indications

  • Moderate-to-severe atopic dermatitis
  • Asthma (moderate-to-severe eosinophilic)
  • Chronic rhinosinusitis with nasal polyps
  • Prurigo nodularis

Dosage

600mg subcutaneous loading dose, then 300mg every 2 weeks.

Formulations

Prefilled syringePrefilled pen

Full Ingredient List

  • Dupilumab
  • L-Histidine
  • L-Histidine Hydrochloride Monohydrate
  • L-Arginine Hydrochloride
  • Sodium Acetate Trihydrate
  • Acetic Acid
  • Sucrose
  • Polysorbate 80
  • Water for Injection

Side Effects

  • Injection site reactions
  • Conjunctivitis and keratitis (unique to dupilumab)
  • Oral herpes
  • Eosinophilia (transient)
  • Arthralgia

Warnings

  • Monitor for eye symptoms (conjunctivitis is common)
  • Do not discontinue systemic corticosteroids abruptly when starting
  • No mandatory blood monitoring required (advantage)
  • Do not use with live vaccines
  • Very expensive — limited access in India

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