A Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics and Clinical Activity of Imetelstat in Combination With Ruxolitinib in Participants With Myelofibrosis
Trial Parameters
Brief Summary
The purpose of the study is to identify the recommended Part 2 dose (R2PD) of imetelstat sodium in combination with ruxolitinib in participants with myelofibrosis (MF) in Part 1, and to evaluate the safety and preliminary clinical activity of the R2PD of imetelstat sodium in combination with ruxolitinib in participants with MF in Part 2.
Eligibility Criteria
Inclusion Criteria: * Diagnosis of primary myelofibrosis (PMF) according to the revised World Health Organization (WHO) criteria or post-essential thrombocythemia-MF or post-polycythemia vera according to the International Working Group for Myelofibrosis Research and Treatment (IWG-MRT) criteria. * Dynamic International Prognostic Scoring System (DIPSS) intermediate-1, intermediate-2 or high-risk MF. * Candidate for ruxolitinib treatment: * Part 1 participants: On ruxolitinib treatment for at least 12 weeks with at least 4 consecutive weeks immediately prior to enrollment at a stable dose. * Part 2 participants: Candidate for ruxolitinib treatment as assessed by the investigator and has not previously been treated with a JAK inhibitor (Cohort A) OR currently receiving ruxolitinib per standard of care for at least 12 weeks with at least 4 consecutive weeks at a stable dose prior to enrollment (Cohort B). Note that the study will no longer recruit participants into Cohort A. * Active sym