Zolbetuximab - Astellas Pharma
Alternative Names: Anti-claudin 18.2 antibody - Astellas Pharma; Chimeric monoclonal antibody against claudin-18 splice variant 2 - Astellas Pharma; Claudiximab - Astellas Pharma; IMAB-362; VYLOYLatest Information Update: 19 Feb 2026
At a glance
- Originator Ganymed Pharmaceuticals
- Developer Astellas Pharma; Ganymed Pharmaceuticals
- Class Antineoplastics; Immunotherapies; Monoclonal antibodies
- Mechanism of Action Antibody-dependent cell cytotoxicity
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Orphan Drug Status
Yes - Gastric cancer; Pancreatic cancer
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 Gastric cancer; Oesophageal cancer
- Preregistration Pancreatic cancer
Most Recent Events
- 04 Feb 2026 Discontinued - Phase-II for Pancreatic cancer (Combination therapy, First-line therapy, Metastatic disease) in USA, Brazil, Spain, Ireland, Japan, Taiwan, Australia, France, Italy, South Korea, Turkey, China and Mexico due to lack of efficacy (IV) (Astellas Pharma, February 2026)
- 08 Jan 2026 Updated efficacy and adverse events data from a phase II ILUSTRO trial in Oesophageal cancer presented at the 2026 Gastrointestinal Cancers Symposium (ASCO-GI-2026)
- 08 Dec 2025 Launched for Gastric cancer (Combination therapy, Inoperable/Unresectable, Late-stage disease, Metastatic disease, First-line therapy) in Austria (IV)