Acute Myeloid Leukemia Clinical Trial
Official title:
A Phase 1 Trial of 8-Chloro-Adenosine in Combination With Venetoclax in Patients With Relapsed/Refractory Acute Myeloid Leukemia
This phase I trial tests the safety, side effects, and best dose of a new 8-chloroadenosine in combination with venetoclax in treating patients with acute myeloid leukemia that has come back (relapsed) or does not respond to treatment (refractory). 8-Chloroadenosine may help block the formation of growths that may become cancer. Venetoclax is in a class of medications called B-cell lymphoma-2 (BCL-2) inhibitors. It may stop the growth of cancer cells by blocking Bcl-2, a protein needed for cancer cell survival. Giving 8-chloroadenosine in combination with venetoclax may help prevent the disease from coming back in patients with acute myeloid leukemia.
PRIMARY OBJECTIVES: I. Evaluate the safety and tolerability of a regimen combining 8-chloro-adenosine (8-Cl-Ado) and venetoclax in patients with relapsed or refractory (R/R) acute myeloid leukemia (AML), including type, frequency, severity, attribution, and duration of the toxicity. II. Establish the maximum tolerated dose (MTD) and recommended phase 2 dose (RP2D) of 8-Cl-Ado when given in combination with venetoclax. SECONDARY OBJECTIVES: I. Obtain preliminary estimates of the anti-leukemia activity of the 8-Cl-Ado/venetoclax regimen by assessing the overall response rate (Complete remission[CR]+ complete remission with incomplete hematologic recovery [CRi]+ partial response [PR]) and complete remission rate (CR+CRi). II. Obtain preliminary estimates of duration of remission (DOR), overall survival (OS), and event-free survival (EFS). III. Determine the pharmacokinetics (PK) of plasma 8-Cl-Ado and metabolites when 8-Cl-Ado is given in combination with venetoclax. EXPLORATORY OBJECTIVES: I. Evaluate PK and pharmacodynamics (PD) of VEN/8-Cl-Ado combination therapy to identify biomarkers of clinical response and resistance. II. Identify genes and pathways associated with response to VEN/8-Cl-Ado. III. Determine the metabolic consequences of VEN/8 Cl-Ado treatment on leukemia stem cells (LSCs). OUTLINE: Patients receive 8-Cl-Ado intravenously (IV) over 4 hours daily on days 1-5 and venetoclax orally (PO) once daily (QD) on days 1-28. Treatment repeats every 28 days for up to 4 cycles in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up at 30 days and then every 28 days for up to 1 year. ;
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