Zetomipzomib - Kezar Life Sciences
Alternative Names: KZR-616Latest Information Update: 22 May 2026
At a glance
- Originator Onyx Pharmaceuticals
- Developer Everest Medicines; Kezar Life Sciences
- Class Anti-inflammatories; Antianaemics; Antirheumatics; Cyclopentanes; Hepatoprotectants; Morpholines; Small molecules; Urologics
- Mechanism of Action Proteasome inhibitors
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Orphan Drug Status
Yes - Dermatomyositis; Polymyositis
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity Yes
Highest Development Phases
- Phase II Autoimmune hepatitis; Dermatomyositis; Polymyositis; Systemic lupus erythematosus
- Preclinical Haemophagocytic lymphohistiocytosis
- Suspended Lupus nephritis
- No development reported Autoimmune disorders
Most Recent Events
- 31 Mar 2026 Kezar Life Sciences completes a Type C meeting with the US FDA related to the regulatory pathway for development of zetomipzomib in autoimmune hepatitis, in March 2026
- 09 Jan 2026 Kezar Life Sciences receives FDA agreement for a Type C meeting to discuss the development of Zetomipzomib in Autoimmune hepatitis (AIH)
- 09 Jan 2026 Kezar Life Sciences plans a Type C meeting with the Division of Hepatology and Nutrition for Zetomipzomib in Autoimmune hepatitis (AIH) to discuss the clinical development pathway in the first quarter of 2026