Phase 2 Study of Decitabine and Cedazuridine in Combination With Venetoclax for AML Relapse After Allogeneic Hematopoietic Cell Transplantation

Description

This phase II trial tests how well decitabine and cedazuridine (DEC-C) works in combination with venetoclax in treating acute myeloid leukemia (AML) in patients whose AML has come back after a period of improvement (relapse) after a donor stem cell transplant. Cedazuridine is in a class of medications called cytidine deaminase inhibitors. It prevents the breakdown of decitabine, making it more available in the body so that decitabine will have a greater effect. Decitabine is in a class of medications called hypomethylation agents. It works by helping the bone marrow produce normal blood cells and by killing abnormal cells in the bone marrow. 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 DEC-C in combination with venetoclax may kill more cancer cells in patients with relapsed AML.PRIMARY OBJECTIVE: I. To assess the effect of DEC-C/venetoclax

Trial Eligibility

Inclusion Criteria: * Age \>= 18 years at the time of signing the Informed Consent Form (ICF); must voluntarily sign an ICF and meet all study requirements * History of morphologically confirmed AML (per World Health Organization \[WHO\] diagnostic criteria) with evidence of disease recurrence (\>= 5% blasts consistent with prior disease) that occurs after allogeneic hematopoietic cell transplantation (HCT). Patients transplanted for another indication (e.g., myelodysplastic syndrome/chronic myelomonocytic leukemia \[MDS/CMML\]) who relapse with AML are eligible to enroll * White blood cells (WBC) must be less than 25,000/ul for at least three days prior to cycle 1, day 1 (C1D1) (hydroxyurea allowed) * A bone marrow biopsy must be performed and tissue collected for entrance to the trial * Eastern Cooperative Oncology Group Performance Status of 0 - 2 * Alanine transaminase (ALT) serum glutamic pyruvic transaminase (SGPT) and/or aspartate aminotransferase (AST) serum glutamic-oxaloacetic transaminase (SGOT) less than or equal to 3x upper limit of normal (ULN) * Total bilirubin \< 1.5 x ULN \* Patients with Gilbert's syndrome (hereditary indirect hyperbilirubinemia) must have a total bilirubin of \< 3 x ULN * Calculated creatinine clearance \>= 30 ml/min (per the Cockroft-Gault formula) * Willingness to abide by all study requirements, including contraception, maintenance of a pill diary, and acceptance of recommended supportive care medications Exclusion Criteria: * Prior relapse or progression while receiving venetoclax or other commercially available or investigational BCL-2 inhibitor * Anticancer therapy, including investigational agents =\< 2 weeks or =\< 5 half-lives of the drug, whichever is shorter, prior to C1D1. (Use of hydroxyurea is permitted) * Inadequate recovery from toxicity attributed to prior anti-cancer therapy to =\< Grade 1 (National Cancer Institute Common Terminology Criteria for Adverse Events \[NCI CTCAE\] version \[v\]5.0), excluding alopecia or fatigue * History of allogeneic HCT, or other cellular therapy product, within 3 months of signing consent * Clinically active acute or chronic graft versus host disease (GVHD). Patients must be off calcineurin inhibitors for at least 4 weeks to be eligible * Radiation therapy or major surgery within 3 weeks of signing consent * Active, uncontrolled infection. Patients with infection under active treatment and controlled with antibiotics are eligible. Prophylaxis is acceptable * Inability to tolerate oral medication, presence of poorly controlled gastrointestinal disease, or dysfunction that could affect study drug absorption * Active documented central nervous system leukemia * Concurrent treatment with a non-permitted concomitant medication * Other malignancy IF currently being treated or likely to be treated in next 6 months except for basal or squamous cell carcinoma of the skin or cervical carcinoma in situ * Pregnancy or breastfeeding females * Known chronic alcohol or drug abuse * Clinically significant cardiovascular disease with major event or cardiac intervention within the past 6 months (e.g. percutaneous intervention, coronary artery bypass graft, documented cardiac heart failure) as determined by the investigator * Any other condition deemed by the investigator to make the patient a poor candidate for clinical trial and/or treatment with investigational agents

Study Info

Interventions

Locations Recruiting

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