Gecaxitinib hydrochloride - Suzhou Zelgen Biopharmaceuticals
Alternative Names: Gecacitinib; Gecacitinib - Suzhou Zelgen Biopharmaceuticals; Gecacitinib hydrochloride; Gecacitinib hydrochloride - Suzhou Zelgen Biopharmaceuticals; Gecaxitinib-hydrochloride; Jakotinib hydrochloride; Jaktinib; Jaktinib dihydrochloride monohydrate; ZepupingLatest Information Update: 28 Jan 2026
At a glance
- Originator Suzhou Zelgen Biopharmaceuticals
- Class Anti-inflammatories; Antifibrotics; Antineoplastics; Antipsoriatics; Antivirals; Skin disorder therapies; Small molecules
- Mechanism of Action ACVR1 protein inhibitors; Janus kinase 1 inhibitors; Janus kinase 2 inhibitors; Janus kinase 3 inhibitors; TYK2 kinase inhibitors
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Orphan Drug Status
No
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 Myelofibrosis
- Preregistration Alopecia areata
- Phase III Ankylosing spondylitis; Atopic dermatitis
- Phase II Idiopathic pulmonary fibrosis; Plaque psoriasis; Vitiligo
- Phase I/II Graft-versus-host disease
- Discontinued Cancer; COVID-19 pneumonia; Systemic lupus erythematosus
Most Recent Events
- 28 Jan 2026 No recent reports of development identified for phase-I development in Alopecia areata in USA (PO, Tablet)
- 13 Jan 2026 Launched for Myelofibrosis in China (PO), prior to January 2026 (Suzhou Zelgen Biopharmaceuticals pipeline, March 2026)
- 01 Oct 2025 Ruijin Hospital plans a phase II trial for Graft versus host disease (Treatment-experienced) (PO) in October 2025 (NCT07197112)