Zanidatamab - BeOne Medicines/Jazz Pharmaceuticals/Zymeworks
Alternative Names: JZP-598; Zani - BeOne Medicines/Jazz Pharmaceuticals Inc/Zymeworks; Zanidatamab-hrii; Ziihera; ZW 25Latest Information Update: 01 Dec 2025
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 - Ovarian cancer; Gastric cancer; Biliary 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
- 24 Nov 2025 Efficacy and adverse events data from a phase III HERIZON-GEA-01 trial in Oesophageal cancer released by BeOne Medicines
- 17 Nov 2025 Zymeworks and Jazz Pharma plans to submit sBLA for Adenocarcinoma to the US FDA in first half of 2026
- 17 Nov 2025 Efficacy data from a phase III HERIZON-GEA-01 trial in Oesophageal cancer released by Zymeworks (NCT05152147)