Acute Myeloid Leukemia Clinical Trial
Decitabine and Cedazuridine in Combination With Venetoclax for the Treatment of Patients Who Have Relapsed Acute Myeloid Leukemia After Donor Stem Cell Transplant
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.
I. To assess the effect of DEC-C/venetoclax on the investigator-assessed composite complete remission (CR) rate (CR/complete remission with partial hematologic recovery [CRh]/complete remission with incomplete hematologic recovery [CRi]).
I. To assess the rate of partial response (PR) and morphologic leukemia free state (MLFS) following treatment with DEC-C/venetoclax. II. To assess the relapse free survival of patients treated with DEC-C/venetoclax.
III. To assess overall survival of patients treated with DEC-C/venetoclax. IV. To assess the safety and tolerability of DEC-C/venetoclax in the post-hematopoietic cell transplant (HCT) setting.
V. To assess the rates of measurable residual disease negativity in patients achieving a CR.
Patients receive venetoclax orally (PO) daily for 28 days in a 28-day cycle. Patients receive DEC-C PO daily on days 1-5 of a 28-day cycle. Patients undergo bone marrow biopsy and aspiration and blood sample collection throughout the study.
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
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
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