Journal
ONCOLOGIST
Volume 11, Issue 8, Pages 929-943Publisher
WILEY
DOI: 10.1634/theoncologist.11-8-929
Keywords
myelofibrosis; myeloproliferative disorders; therapy
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The molecular basis of chronic idiopathic myelofibrosis (CIMF) has remained elusive, thus hampering the development of effective targeted therapies. However, significant progress regarding the molecular mechanisms involved in the pathogenesis of this disease has been made in recent years that will likely provide ample opportunity for the investigation of novel therapeutic approaches. At the forefront of these advances is the discovery that 35%-55% of patients with CIMF harbor mutations in the Janus kinase 2 tyrosine kinase gene. Until very recently, the management of patients with CIMF involved the use of supportive measures, including growth factors, transfusions, or interferon, and the administration of cyto-reductive agents, such as hydroxyurea and anagrelide. However, several trials have demonstrated the efficacy of antiangiogenic agents alone or in combination with corticosteroids. In addition, the use of reduced-intensity conditioning allogeneic stem cell transplantation has resulted in prolonged survival and lower transplant-related mortality.
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