Acute Myeloid Leukemia Clinical Trial
First in Human Study of Ziftomenib in Relapsed or Refractory Acute Myeloid Leukemia
This first-in-human (FIH) dose-escalation and dose-validation/expansion study will assess ziftomenib (KO-539), a menin-MLL(KMT2A) inhibitor, in patients with relapsed or refractory acute myeloid leukemia (AML).
This Phase 1/2, first-in-human (FIH), open-label, dose-escalation and dose-validation/expansion study will assess ziftomenib, a menin-MLL(KMT2A) inhibitor, in patients with relapsed or refractory acute myeloid leukemia (AML).
The dose-escalation part of the study (Phase 1a) will determine the maximal tolerated dose (MTD) and/or the recommended Phase 2 dose (RP2D).
The dose-validation/expansion part of the study (Phase 1b) will determine the safety, tolerability, and minimal biologically effective dose of ziftomenib in dosing cohorts which have demonstrated early biological activity and have been determined to be safe in the dose-escalation phase.
The Phase 2 portion of the study will determine the safety, tolerability, and anti-leukemia activity of ziftomenib in patients with NPM1-m AML.
Key Inclusion Criteria:
Patients with refractory or relapsed AML defined as the reappearance of ≥ 5% blasts in the bone marrow and who have also failed or are ineligible for any approved standard of care therapies, including HSCT.
Patients with a documented lysine[K]-specific methyltransferase 2-rearrangement (KMT2A-r), or
Patients with a documented nucleophosmin 1 mutation (NPM1-m)
a. Patients with a documented nucleophosmin 1 mutation (NPM1-m)
≥ 18 years of age.
Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2, and a life expectancy of at least 2 months.
Adequate liver and kidney function according to protocol requirements.
Peripheral white blood cell (WBC) counts ≤ 30,000/μL. Patients may receive hydroxyurea to control and maintain white blood cell count prior to enrollment.
Women of childbearing potential must be willing to use a highly effective method of contraception throughout the study and for at least 180 days after the last dose of study treatment.
Males with female partners of childbearing potential must agree to use a highly effective method of contraception throughout the study and for at least 90 days after the last dose of study treatment.
Key Exclusion Criteria:
Diagnosis of acute promyelocytic leukemia.
Diagnosis of chronic myelogenous leukemia in blast crisis.
Donor lymphocyte infusion < 30 days prior to study entry.
Clinically active central nervous system (CNS) leukemia.
Undergone HSCT and have not had adequate hematologic recovery.
Receiving immunosuppressive therapy post HSCT within 2 weeks of Cycle 1 Day 1.
Grade ≥ 2 active graft-versus-host disease (GVHD), moderate or severe limited chronic GVHD, or extensive chronic GVHD of any severity.
Received chemotherapy immunotherapy, radiotherapy, or any ancillary therapy that is considered to be investigational (i.e., used for non-approved indications(s) and in the context of a research investigation) < 14 days prior to the first dose of ziftomenib or within 5 drug half-lives prior to the first dose of study drug.
Not recovered to < Grade 2 (National Cancer Institute Common Terminology Criteria for Adverse Events v5.0) from all acute toxicities or deemed back to a stable baseline.
Treatment with concomitant drugs that are strong inhibitors or inducers of cytochrome P450-isozyme 3A4 (CYP3A4) with the exception of antibiotics, antifungals, and antivirals that are used as standard of care or to prevent or treat infections and other such drugs that are considered absolutely essential for the care of the patient.
Detectable viral load for human immunodeficiency virus, hepatitis C, or hepatitis B surface antigen indicative of active infection. Patients with controlled disease will not be excluded from study enrollment.
Pre-existing disorder predisposing the patient to a serious or life-threatening infection (e.g. cystic fibrosis, congenital or acquired immunodeficiency, bleeding disorder, or cytopenias not related to AML).
Active uncontrolled acute or chronic systemic fungal, bacterial, viral, or other infection.
Significant cardiovascular disease including unstable angina pectoris, uncontrolled hypertension or arrhythmia, history of cerebrovascular accident including transient ischemic attack within the past 6 months, congestive heart failure (NYHA Class III or IV) related to primary cardiac disease, ischemic or severe valvular heart disease, or a myocardial infarction within 6 months prior to the first dose of study treatment.
Mean QTcF >480 ms on triplicate ECG.
Major surgery within 4 weeks prior to the first dose of study treatment.
Women who are pregnant or lactating. All female patients with reproductive potential must have a negative serum pregnancy test within 72 hours prior to starting treatment.
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There are 42 Locations for this study
Seattle Washington, 98109, United States
Montréal Quebec, H1T 2, Canada
Québec Quebec, G1S 4, Canada
Lille , 59037, France
Nantes , 44093, France
Paris , 75475, France
Pessac , 33600, France
Pierre-Bénite , 69310, France
Villejuif , 94800, France
Berlin , 12203, Germany
Greifswald , 17475, Germany
Hannover , , Germany
Bologna , 40138, Italy
Meldola , 47014, Italy
Ravenna , 48121, Italy
Roma , , Italy
Barcelona , 08035, Spain
Barcelona , 08035, Spain
Madrid , 28033, Spain
Madrid , 28050, Spain
Oviedo , 33011, Spain
Sevilla , 41013, Spain
Valencia , 46026, Spain
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