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Clinical Trial Summary

Myeloid malignancies which include AML and MDS are cancers of the bone marrow which lead to bone marrow failure. The bone marrow is the place or factory in the body where components of blood such as red cells, platelets and white cells are made. In bone marrow failure, the ability of the bone marrow to make these cells is decreased. The decreased bone marrow function is the result from abnormalities that develop in the malignant cells which prevent the normal maturation process by which bone marrow cells develop into red blood cells, white blood cells and platelets. The malignant cells in the bone marrow are not good at maturing to make the components of the blood that you need, they occupy space in the bone marrow and prevent the function of remaining normal bone marrow cells. DNA is a chemical substance within cells that stores information needed for cell growth and cell behavior. One approach to treating the malignant cells is to give chemotherapy which damages DNA within these cells and causes their death. Unfortunately, such therapy has side-effects, since even normal cells can be affected by the treatment. Decitabine is FDA approved for treatment of MDS and AML. Venetoclax is approved for AML in combination with Azacitidine for patients with AML or are over age 75 or unfit for chemotherapy. In this study, Decitabine and venetoclax will be administered using a low dose weekly schedule in an attempt to improve efficacy by decreasing the side effects often seen when these drugs are given at standard dosing.

Clinical Trial Description

The combination of Azacitidine and venetoclax (Aza/Ven) is FDA approved for patients AML > 75 and/or unfit for induction chemotherapy. However, majority of patients receiving standard dosing of Aza/Ven require dose interruptions, treatment delays and dose reductions. In addition, Aza/ven has limited activity in various subgroups of myeloid malignancies such as P53 mutant MDS/AML. The severe cytopenias encountered with Aza/ven is particularly challenging for patients with poor hematopoietic bone marrow reserve such as MDS and MF. Also some elderly patients with comorbidities cannot tolerate the prolonged cytopenias caused by Aza/ven. This pilot clinical trial will evaluate the tolerability of a non-cytotoxic regimen for patients with myeloid malignancies who either cannot tolerate or are not known to benefit from standard Aza/ven dosing. This will be a single arm, open label pilot study of weekly dosing of subcutaneous decitabine and venetoclax Patients will be treated for a minimum of 12 weeks in the absence of clear evidence of progressive disease. Patients who have any response will be permitted to continue treatment until relapse or progression of disease. Primary endpoint will be the percentage of patients who will require dose interruptions due to cytopenias. Secondary endpoints will include assessment of response rates, transfusion dependence, quality of life, rate of infections and hospitalizations. Decitabine is given at a dose of 0.1-0.2 mg/kg/day for 1-2 days per week. All patients will receive at least one dose Decitabine every week. If decided by treating physician that the patient needs a more rapid debulking of high disease burden, a second dose can be added. If Decitabine is given twice a week, should preferably be given on two consecutive days. Venetoclax is dosed at 400 mg by mouth one day a week a day prior to the first decitabine dose. If patients are taking another CYP3A4 inhibitor dose adjustments should be made as recommended by pharmacist for a goal dose of venetoclax of 400 mg. If patient receives two days of decitabine a week, they still only take venetoclax on the day prior to the first dose of decitabine. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT05184842
Study type Interventional
Source Montefiore Medical Center
Contact Mendel Goldfinger, MD
Phone 718-920-4826
Email [email protected]
Status Not yet recruiting
Phase Early Phase 1
Start date January 2022
Completion date January 2024

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