Drug1st-line biologic line
Omalizumab
Anti-IgE monoclonal antibody
- Response rate
- Significant NPS reduction
- Onset
- 4–8 weeks
- Route
- SC every 2–4 weeks (dose by IgE/weight)
- Line
- 1st-line biologic
- IgM effect
- Reduces polyp score
- Evidence level
- green
Evidence summary
Binds free IgE, preventing mast cell/basophil activation. POLYP 1 and POLYP 2 trials showed significant NPS improvement, reduced congestion, and improved SNOT-22. FDA-approved 2020 for CRSwNP. May be preferred in patients with high IgE and comorbid allergic asthma.
Molecular targets
| Molecule | Role | Expression | Evidence |
|---|---|---|---|
| IgE | Allergic effector immunoglobulin | Elevated (local and systemic) | established |