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2025-01-23T11:50:32.000Z

MPN Hub spotlight: Momelotinib mechanism of action

Jan 23, 2025
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Learning objective: After reading this article, learners will be able to cite a new clinical development in myelofibrosis.

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MPN Hub spotlight: Momelotinib mechanism of action

Momelotinib is approved for the treatment of patients with anemic myelofibrosis (MF), regardless of prior MF therapy.

A differentiated mechanism of action inhibiting Janus kinase (JAK)1, JAK2, and activin A receptor, type I (ACVR1) underlies reductions in constitutional symptoms, splenomegaly, and MF-related anemia.

This educational resource is independently supported by GSK. All content is developed by SES in collaboration with an expert steering committee; funders are allowed no influence on the content of this resource.

  1. Tefferi A, Pardanani A. Momelotinib for myelofibrosis: our 14 years of experience with 100 clinical trial patients and recent FDA approval. Blood Cancer J. 2024;14:47. DOI:1038/s41408-024-01029-3
  2. Tefferi A, Pardanani A, Gangat N. Momelotinib (JAK1/JAK2/ACVR1 inhibitor): mechanism of action, clinical trial reports, and therapeutic prospects beyond myelofibrosis. Haematologica. 2023;108(11):2919-2932. DOI:3324/haematol.2022.282612
  3. Chifotides HT, Bose P, Verstovsek S. Momelotinib: an emerging treatment for myelofibrosis patients with anemia. J Hematol Oncol. 2022;15:7. DOI:1186/s13045-021-01157-4
  4. Verstovsek S, Mesa R, Gupta V, et al. Momelotinib long-term safety and survival in myelofibrosis: integrated analysis of phase 3 randomized controlled trials. Blood Adv. 2023;7(14):3582-3591. DOI:1182/bloodadvances.2022009311
  5. Liu T, et al. Association between hemoglobin improvement and patient-reported outcomes in patients with myelofibrosis and anemia:  post hoc pooled analysis of momelotinib phase 3 trials. Poster #MPN-085. SOHO 2024 Annual Meeting; Sep 4-7, 2024; Houston, US

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