Drug Profile

Ruxolitinib - Incyte Corporation/Novartis

Alternative Names: INC-424; INCB 018424 phosphate; INCB-018424; INCB-18424; Jakafi; Jakafi XR; Jakavi; Opzelura; RUX; ruxolitinib phosphate

Latest Information Update: 13 Feb 2026

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At a glance

Originator Incyte Corporation
Developer Baylor Breast Care Center; CMS Medical; Dana-Farber Cancer Institute; H. Lee Moffitt Cancer Center and Research Institute; Incyte Corporation; Lymphoma Academic Research Organisation; National Cancer Institute (USA); Novartis; RWTH Aachen University; University Health Network of Toronto; University of Cologne; University of Rochester; University of Texas M. D. Anderson Cancer Center; Washington University School of Medicine
Class 2 ring heterocyclic compounds; Anti-inflammatories; Antianaemics; Antibronchitics; Antihaemorrhagics; Antineoplastics; Antipsoriatics; Antirheumatics; Antivirals; Cyclopentanes; Nitriles; Pyrazoles; Pyrimidines; Pyrroles; Skin disorder therapies; Small molecules
Mechanism of Action Janus kinase 1 inhibitors; Janus kinase 2 inhibitors

Orphan Drug Status

Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

Yes - Myelofibrosis; Pancreatic cancer; Polycythaemia vera; Essential thrombocythaemia; Precursor cell lymphoblastic leukaemia-lymphoma; Graft-versus-host disease
New Molecular Entity Yes

Marketed Atopic dermatitis; Graft-versus-host disease; Myelofibrosis; Polycythaemia vera; Vitiligo
Phase III Cytokine release syndrome; Essential thrombocythaemia; Hidradenitis suppurativa; SARS-CoV-2 acute respiratory disease
Phase II/III COVID-19 pneumonia
Phase II Acute myeloid leukaemia; Alopecia areata; Breast cancer; Breast disorders; Bronchiolitis obliterans; Cachexia; Chronic lymphocytic leukaemia; Chronic myeloid leukaemia; Chronic myelomonocytic leukaemia; Discoid lupus erythematosus; Haematological malignancies; Head and neck cancer; HIV infections; Hodgkin's disease; Lichen planus; Myelodysplastic syndromes; Precursor cell lymphoblastic leukaemia-lymphoma; Thalassaemia; Vulvar lichen sclerosus
Phase I/II Anaemia; HER2 positive breast cancer; Multiple myeloma
Phase I Adenocarcinoma
Suspended Prurigo nodularis
No development reported Pancreatic cancer; Psoriasis
Discontinued Colorectal cancer; HER2 negative breast cancer; Non-small cell lung cancer; Prostate cancer; Rheumatoid arthritis

10 Feb 2026 Incyte Corporation plans to launch Jakafi XR for Myelofibrosis and GVHD in mid-2026
31 Jan 2026 Suspended - Phase-III for Prurigo nodularis (In the elderly, In adults) in USA, Austria, Canada, France, Italy, Poland, Switzerland, Belgium, Netherlands, Australia, Bulgaria, Denmark, Germany, South Korea, Spain, Argentina, Chile after the US FDA requested additional studies for approval of the drug in this indication (Topical)
19 Jan 2026 NCT06160791 - NIO sponsor trial, hence no updates

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