A Phase 2 Open-Label Study Evaluating Tolerability and Efficacy of Navitoclax Alone or in Combination With Ruxolitinib in Subjects With Myelofibrosis
This is a Phase 2 open-label, multicenter study evaluating tolerability and efficacy of navitoclax alone or when added to ruxolitinib in participants with myelofibrosis.
18 Years and up
Accepting Healthy Volunteers?
- Participants with documented diagnosis of intermediate-2 or high-risk primary Myelofibrosis, Post Polycythemia Vera Myelofibrosis or Post-essential Thrombocythemia Myelofibrosis.
- Participant must be ineligible or unwilling to undergo stem cell transplantation at time of study entry.
- Eastern Cooperative Oncology Group (ECOG) of 0,1, or 2.
- Participant must have either received prior treatment with ruxolitinib OR another Janus Kinase 2 (JAK-2) inhibitor therapy OR must not have received any prior treatment with JAK-2 inhibitor or BET inhibitor.
- Participant has splenomegaly as defined in the protocol.
- Participant must meet the laboratory parameters (adequate bone marrow, renal and hepatic function) as defined in the protocol.
- Splenic irradiation within 6 months prior to screening, or prior splenectomy.
- Leukemic transformation (> 10% blasts in peripheral blood or bone marrow biopsy).
- Participant is currently on medications that interfere with coagulation (including warfarin) or platelet function with the exception of low dose aspirin (up to 100 mg) and Low-molecular-weight heparin.
- Prior therapy with a BH3 mimetic compound.
- Participant has received strong or moderate CYP3A inhibitors within 14 days prior to the administration of the first dose of navitoclax.