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Tysabri — Competitive Intelligence Brief
marketed
Integrin Receptor Antagonist [EPC]
α4β1 and α4β7 integrins
Immunology
Monoclonal antibody
Live · refreshed every 30 min
Target snapshot
Tysabri (NATALIZUMAB) — Biogen Idec. Natalizumab blocks α4 integrins on leukocytes, preventing their adhesion to VCAM-1 and MAdCAM-1, reducing inflammation in MS and Crohn's disease.
Comparator set (2 drugs)
| Drug | Generic | Sponsor | Phase | Class | Target | Approval / PDUFA |
|---|---|---|---|---|---|---|
| Tysabri TARGET | NATALIZUMAB | Biogen Idec | marketed | Integrin Receptor Antagonist [EPC] | α4β1 and α4β7 integrins | 2004-01-01 |
| Entyvio | vedolizumab | Takeda | marketed | Integrin Receptor Antagonist [EPC] | Integrin alpha-4/beta-7 | |
| TYRUKO | NATALIZUMAB-SZTN | SANDOZ INC | marketed | Integrin Receptor Antagonist [EPC] |
Recent regulatory actions (last 90 days)
Upcoming PDUFA dates (next 180 days)
Patent timeline (forward window)
Sponsor landscape (Integrin Receptor Antagonist [EPC] class)
- Biogen Idec · 1 drug in this class
- SANDOZ INC · 1 drug in this class
- Takeda · 1 drug in this class
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Cite this brief
Drug Landscape (2026). Tysabri — Competitive Intelligence Brief. https://druglandscape.com/ci/natalizumab. Accessed 2026-05-13.
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