A Phase 1 Study of PRT12396 in Participants With Select Myeloproliferative Neoplasms
Trial Parameters
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Brief Summary
This is a first-in-human, open-label, multi-center Phase 1 study designed to evaluate the safety, tolerability, pharmacokinetics, and preliminary efficacy of PRT12396 in participants with high-risk polycythemia vera (PV) and myelofibrosis (MF), and to determine the maximum tolerated dose (MTD) and recommended dose(s) for expansion (RDE\[s\]). The study consists of a dose-escalation phase followed by a dose-expansion phase to further evaluate selected dose level(s).
Eligibility Criteria
Inclusion Criteria: * Willing and able to comply with all scheduled visits, treatment plan, laboratory tests, lifestyle considerations (including contraception requirements), and other study procedures. * Confirmed diagnosis of PV or MF according to WHO 2016 or revised ICC/WHO 2022 criteria * Documented presence of a JAK2 V617 mutation * Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 * Estimate life expectancy of ≥12 weeks per investigator assessment. * Negative serum or urine pregnancy test and agree to use contraception or maintain true abstinence. * Adequate organ function and bone marrow reserves (hematology, renal, and hepatic) Exclusion Criteria: * History of another malignancy within 3 years prior to enrollment, except for malignancy considered cured with low risk of recurrence. * Clinically significant anemia due to nutritional deficiency or hemolytic disorders. * Active or uncontrolled infection requiring systemic therapy or hospitalization. * Any other me