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Clinical Trial Summary

A Phase 3, multicenter, open-label, randomized study to evaluate the efficacy and safety of fedratinib compared to best available therapy (BAT) in subjects with DIPSS (Dynamic International Prognostic Scoring System)-intermediate or high-risk primary myelofibrosis (PMF), post-polycythemia vera myelofibrosis (post-PV MF), or post-essential thrombocythemia myelofibrosis (post-ET MF) and previously treated with ruxolitinib. The primary objective of the study is to evaluate the percentage of subjects with at least 35% spleen volume reduction in the fedratinib and the BAT arms.


Clinical Trial Description

This Phase 3, multicenter, randomized, two-arm, open-label study will include subjects with intermediate or high-risk (as per the DIPSS score) primary myelofibrosis (PMF), postpolycythemia vera myelofibrosis (post-PV MF), or post-essential thrombocythemia myelofibrosis (post-ET MF). This study will be conducted in compliance with International Council for Harmonisation (ICH) Good Clinical Practices (GCPs). Study design includes: - A 28-day Screening Period - 2:1 Randomization to fedratinib or best available therapy (BAT) - Stratification at Randomization according to: - Spleen size by palpation: < 15 cm below left costal margin (LCM) versus ≥ 15 cm below LCM - Platelets ≥ 50 to < 100 x 109/L versus platelets ≥ 100 x 109/L - Refractory or relapsed to ruxolitinib treatment versus intolerant to ruxolitinib treatment - Study Treatment Period (time on study drug plus 30 days after last dose) - Subjects are allowed to crossover from BAT to the fedratinib arm after the Cycle 6 response assessment or before the Cycle 6 response assessment in the event of a confirmed progression of splenomegaly by MRI/CT scan - A Survival Follow-up Period for progression and survival ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03952039
Study type Interventional
Source Celgene
Contact
Status Active, not recruiting
Phase Phase 3
Start date September 16, 2019
Completion date June 23, 2025

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