An Open-Label, Multicenter, Phase 2 Study Assessing the Safety and Efficacy of KRT-232 or TL-895 in Janus Associated Kinase Inhibitor Treatment-Naïve Myelofibrosis

Description

This study evaluates either KRT-232 or TL-895 in treatment naïve patients with myelofibrosis (MF) The study will be conducted in 2 stages. Stage 1 will evaluate safety, tolerability, and efficacy of either KRT-232 (Arm 1) or TL-895 (Arm 2) in treatment naïve patients. Stage 2 will expand enrollment in Arm 1 and/or Arm 2 if expansion criteria is met.

Trial Eligibility

Inclusion Criteria: * Confirmed diagnosis of PMF, post-PV MF or post-ET MF (WHO) * High-risk, or intermediate-1 and 2 risk, defined by Dynamic International Prognostic System (DIPSS) * ECOG of 0 or 1 Exclusion Criteria: * Subjects who are positive for p53 mutation (Arm 1) * Prior MDM2 inhibitor therapy or p53-directed therapy (Arm 1) * Prior treatment with any JAK inhibitor * Prior splenectomy * Splenic irradiation within 24 weeks prior to randomization * Prior allogeneic stem-cell transplantation or plans for allogeneic stem-cell transplant * History of major organ transplant * Grade 2 or higher QTc prolongation * Major hemorrhage or intracranial hemorrhage within 24 weeks prior to randomization

Study Info

Interventions

Locations Recruiting

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