Observational Study Protocol REALFed - Real World Evidence of Fedratinib Effectiveness in Myelofibrosis
This is a multicenter prospective and retrospective observational clinical study in patients with primary or post polycythemia vera or post essential thrombocythemia myelofibrosis to test the efficacy of fedratinib in the rea world. Participants will be managed according to the clinical practice of the participating Center. All Centers will be Italian Hematology Units belonging to the GIMEMA Organization in Italy.
• Patients aged 18 years or older.
• Patients diagnosed with primary myelofibrosis \[according to the WHO (World Health Organization) classification version 5th or the ICC (International Consensus Conference) either published in 2022 or post-polycythemia vera and post-essential thrombocythemia myelofibrosis (according to the ICC classification 2022)\].
• Patients who met the reimbursement criteria for fedratinib, in accordance with the AIFA (Agenzia Italiana del Farmaco) after June 2022.
• Patients eligible or not for stem cell transplant (SCT) or patients already undergoing SCT.
• Patients on non-JAKi cytoreductive treatment.
• Patients with palpable splenomegaly at baseline of fedratinib treatment.
• Informed consent signed, if applicable.