The Development and Use of Janus Kinase 2 Inhibitors for the Treatment of Myeloproliferative Neoplasms

Publication date: Available online 17 May 2017
Source:Hematology/Oncology Clinics of North America
Author(s): Gabriela S. Hobbs, Sarah Rozelle, Ann Mullally

Teaser

Following the discovery of the JAK2V617F mutation, Janus kinase (JAK) 2 inhibitors were developed as rationally designed therapy in myeloproliferative neoplasms (MPNs). Although JAK2 inhibitors have clinical efficacy in MPN, they are not clonally selective for the JAK2V617F-mutant cells. Because activated JAK-signal transducer and activator of transcription (STAT) signaling is a common feature of MPN, JAK2 inhibitors are efficacious regardless of the specific MPN phenotypic driver mutation. The Food and Drug Administration approved the JAK1/JAK2 inhibitor, ruxolitinib, for the treatment of myelofibrosis and polycythemia vera. Additional JAK2 inhibitors are currently in advanced phased clinical trials.


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