Zanidatamab - BeOne Medicines/Jazz Pharmaceuticals/Zymeworks
Alternative Names: JZP-598; Zani - BeOne Medicines/Jazz Pharmaceuticals Inc/Zymeworks; Zanidatamab-hrii; Ziihera; ZW 25Latest Information Update: 28 Feb 2026
At a glance
- Originator Zymeworks
- Developer ALX Oncology; BeOne Medicines; Jazz Pharmaceuticals Inc; Zymeworks
- Class Antineoplastics; Bispecific antibodies; Immunotherapies
- Mechanism of Action Antibody-dependent cell cytotoxicity; Cytotoxic T lymphocyte stimulants; Phagocyte stimulants
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Orphan Drug Status
Yes - Gastric cancer; Biliary cancer; Ovarian 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 Biliary cancer
- Phase III Colorectal cancer; Gastric cancer; HER2 positive breast cancer; Oesophageal cancer
- Phase II Endometrial cancer; Solid tumours
- Discontinued Ovarian cancer
Most Recent Events
- 28 Feb 2026 No recent reports of development identified for phase-I development in Solid-tumours(Inoperable/Unresectable, Late-stage disease, Metastatic disease) in Japan (IV)
- 24 Feb 2026 Zanidatamab - BeOne Medicines/Jazz Pharmaceuticals/Zymeworks receives Breakthrough Therapy status for Adenocarcinoma (Metastatic disease, Late-stage disease, Inoperable/Unresectable) in USA
- 24 Feb 2026 Zymeworks and Jazz Pharma plans to submit sBLA for Adenocarcinoma to the US FDA in the 1Q 2026