A Phase 1b/2 Open-label, Dose-ranging Safety and Efficacy Study of Oral Cladribine in Patients With Acute Myeloid Leukemia (AML)

Starting soon · Phase 1/Phase 2

Conditions studied: Acute Myeloid Leukemia (AML)

In brief

The goal of Part 1 of this clinical research study is to find the highest tolerable dose of cladribine that can be given in combination with low dose cytarabine (LDAC) and venetoclax to patients who have AML. The goal of Part 2 of this clinical research study is to learn if the dose of cladribine found in Part 1, when combined with LDAC and venetoclax, can help to control the disease.

Key facts

Study ID

NCT07053020

Run by

M.D. Anderson Cancer Center

People needed

58

Starts

2027-12-01

Expected to finish

2030-06-30

Last updated by the study team

2026-03-04

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Provision of written informed consent prior to any study related procedures.
• Disease characteristics, defined as:
• Part 1:
• Dose-escalation cohorts: Patients with relapsed and/or refractory AML.
• Part 2:
• Cohort A: Patients aged .18 years with newly diagnosed ts-AML, defined as patients with prior diagnosis of MDS, treated with hypomethylating agents who have then progressed to AML. Prior therapy with hydroxyurea, hematopoietic growth factors, HMA, ATRA, or a total dose of cytarabine up to 2g (for emergency use for stabilization) is allowed.
• Cohort B: Patients aged . 60 years with newly diagnosed AML with monocytic phenotype, defined as AML-M5 by FAB or flow cytometry, and/or patients . 60 years with newly diagnosed AML with RAS mutations. Patients aged < 60 years who are unsuitable for standard induction therapy may be eligible after discussion with primary investigator.
• Adequate renal and hepatic organ function as indicated by the following laboratory values:
• Serum creatinine . 2.0xupper limit of normal (ULN)
• Serum total bilirubin .2xULN (with the exception of patients with known Gilbert's syndrome: serum total bilirubin must be <3xULN in these patients)
• Aspartate aminotransferase (serum glutamic oxaloacetic transaminase) and alanine aminotransferase (serum glutamic pyruvic transaminase) .2.5xULN or .5xULN if due to leukemic involvement)
• Adequate cardiac function with a left ventricular ejection fraction .50%
• Female participants are eligible to enter and participate in the study if they are of nonchildbearing potential. Female participants of childbearing age must use at least 2 forms of effective birth control during the study treatment period and for at least 90 days after the last dose of investigational product.
• Male participants are eligible to enter and participate in the study if they agree to use effective methods of contraception during the study treatment period and for at least 90 days after the last dose of investigational product.

You may not qualify if…

• Uncontrolled intercurrent illness including, but not limited to ongoing or active uncontrolled infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
• History of allergic reactions attributed to compounds of similar chemical or biologic composition to any of the compounds in the study.
• Legal incapacity or limited legal capacity.
• Inability to swallow oral medications (capsules and tablets) without chewing, breaking, crushing, opening or otherwise altering the product formulation.
• Patients unwilling to comply with protocol requirements related to the assigned part.
• Patients with psychiatric illness/social situations that would limit compliance with study requirements.
• Pregnant women are excluded from this study because the agents used in this study have the potential for teratogenic or abortifacient effects. Because there is a potential risk for adverse events in nursing infants secondary to treatment of the mother with chemotherapy agents, breastfeeding should also be avoided.

Where it is running

• The University of Texas M. D. Anderson Cancer Center — Houston, Texas, United States

Full record on ClinicalTrials.gov

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