Venetoclax and Azacitidine for the Treatment of Relapsed or Refractory High-Risk Myelodysplastic … (NCT04550442) | Clinical Trial Compass
Active — Not RecruitingPhase 1/2
Venetoclax and Azacitidine for the Treatment of Relapsed or Refractory High-Risk Myelodysplastic Syndrome or Chronic Myelomonocytic Leukemia
United States34 participantsStarted 2020-09-04
Plain-language summary
This phase I/II trial investigates the side effects and best dose of venetoclax when given together with azacitidine and to see how well it works in treating patients with high-risk myelodysplastic syndrome or chronic myelomonocytic leukemia that has come back (relapsed) or has not responded to treatment (refractory). Venetoclax may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Chemotherapy drugs, such as azacitidine, work in different ways to stop the growth of cancer cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Giving venetoclax and azacitidine together may help to control myelodysplastic syndrome or chronic myelomonocytic leukemia.
Who can participate
Age range18 Years
SexALL
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Inclusion criteria
✓. Participants with post HMA-failure high-risk MDS (Int-2 or high risk by the IPSS with overall score \>/=1.5) with excess blasts \>5% with failure defined as prior receipt of 4 cycles of HMA therapy with failure to attain a response, or progression of disease or relapse at any time after prior response to HMA therapy.
✓. Participants with relapsed/refractory chronic myelomonocytic leukemia (CMML) and therapy-related MDS are also eligible.
✓. Hydroxyurea is allowed to lower the white cell count \</= 10,000/µl prior to initiation of venetoclax.
✓. Adequate hepatic function including total bilirubin ≤ 2.0 x upper limit of normal (ULN) unless increase is due to Gilbert's disease or leukemic involvement, and ALT/AST ≤ 3.0 x ULN unless considered due to leukemic involvement.
✓. Adequate renal function as calculated using the modified Cockcroft-Gault equation of ≥ 30ml/min, OR creatinine \< 2x ULN, unless related to the disease.
✓. Signed written informed consent.
✓. Females must be surgically or biologically sterile or postmenopausal (amenorrheic for at least 12 months) or if of childbearing potential, must have a negative serum or urine pregnancy test within 72 hours before the start of the treatment. Women of childbearing potential must agree to use an adequate method of contraception during the study and until 3 months after the last treatment.
✓. Males must be surgically or biologically sterile or agree to use an adequate method of contraception during the study until 3 months after the last treatment.
Exclusion criteria
✕. Participants having received any prior BCL2 inhibitor therapy.
✕. Participants with MDS with IPSS risk categories Low or Int-1 (overall IPSS score \< 1.5).
✕. Participants with known HIV infection (due to potential drug-drug interactions between antiretroviral medications and venetoclax). HIV testing will be performed at screening, only if required per local guidelines or institutional standards.
✕. Participants known to be positive for hepatitis B or C infection \[HCV Ab indicative of a previous or current infection; and/or positive HBs Ag or detected sensitivity on HBV-DNA PCR test for HBc Ab and/or HBs Ab positivity\] with the exception of those with an undetectable viral load within 3 months of screening. (Hepatitis B or C testing is not required). Subjects with serologic evidence of prior vaccination to HBV \[i.e., HBs Ag-, and anti-HBs+\] may participate.
✕. Participants has received strong and/or moderate CYP3A inducers within 7 days prior to the initiation of study treatment.
✕. Participants has consumed grapefruit, grapefruit products, Seville oranges (including marmalade containing Seville oranges) or Starfruit within 3 days prior to the initiation of study treatment.
✕. Participants has a cardiovascular disability status of New York Heart Association Class \> 2. Class 2 is defined as cardiac disease in which patients are comfortable at rest but ordinary physical activity results in fatigue, palpitations, dyspnea, or anginal pain.
✕. Participant has chronic respiratory disease that requires continuous oxygen, or significant history of renal, neurologic, psychiatric, endocrinologic, metabolic, immunologic, hepatic, cardiovascular disease, any other medical condition or known hypersensitivity to any of the study medications including excipients of azacitidine that in the opinion of the investigator would adversely affect his/her participating in this study.