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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05600894
Other study ID # NCI-2022-08797
Secondary ID NCI-2022-0879710
Status Recruiting
Phase Phase 2
First received
Last updated
Start date June 27, 2023
Est. completion date August 31, 2025

Study information

Verified date February 2024
Source National Cancer Institute (NCI)
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This phase II trial tests whether decitabine and cedazuridine (ASTX727) in combination with venetoclax work better than ASTX727 alone at decreasing symptoms of bone marrow cancer in patients with chronic myelomonocytic leukemia (CMML), myelodysplastic syndrome/myeloproliferative neoplasm (MDS/MPN) with excess blasts. Blasts are immature blood cells. 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. Cobimetinib is used in patients whose cancer has a mutated (changed) form of a gene called BRAF. It is in a class of medications called kinase inhibitors. It works by blocking the action of an abnormal protein that signals cancer cells to multiply. This helps slow or stop the spread of cancer cells. 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. The combination of ASTX727 and venetoclax may be more effective in reducing the cancer signs and symptoms in patients with CMML, or MDS/MPN with excess blasts.


Description:

PRIMARY OBJECTIVE: I. To evaluate the complete remission rates of ASTX727 and ASTX727 plus venetoclax in subjects with chronic myelomonocytic leukemia (CMML) and non-CMML myelodysplastic syndrome (MDS)/myeloproliferative neoplasm (MPN) with excess (>= 5%) blasts. SECONDARY OBJECTIVES: I. To evaluate the overall response rate (complete response [CR] + partial response [PR] + marrow response with erythroid response) of ASTX727 versus ASTX727 + venetoclax in this patient population. II. To determine the overall survival, progression-free survival, allogeneic hematopoietic stem cell transplantation rate, clearance of the malignant clone, clonality at time of hematologic remission, number of red cell and platelet transfusions required and toxicity of ASTX727 versus ASTX727 + venetoclax. OUTLINE: Patients are randomized to 1 of 2 arms. ARM I (COMBINATION THERAPY): Patients receive ASTX727 orally (PO) daily (QD) for 5 consecutive days starting on day 3 of treatment cycle 1; followed by day 1 of each subsequent cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also receive venetoclax PO QD on days 1 through 14 of each treatment cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients also undergo bone marrow biopsies, and collection of blood and buccal samples throughout the study. ARM II (MONO THERAPY): Patients receive ASTX727 PO QD for 5 consecutive days starting on day 3 of treatment cycle 1; followed by day 1 of each subsequent cycle. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients who do not have response to treatment may cross over to Arm I. Patients also undergo bone marrow biopsies, and collection of blood and buccal samples throughout the study. After completion of study treatment, patients are followed for 2 years.


Recruitment information / eligibility

Status Recruiting
Enrollment 132
Est. completion date August 31, 2025
Est. primary completion date August 31, 2025
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - A diagnosis of MDS/MPN with >= 5% marrow blasts. Hydroxyurea may be used to control counts up until the start of therapy - White blood cell (WBC) < 10,000/mm^3. Treatment with hydroxyurea is permitted to lower the WBC to reach this criterion. The WBC should be determined >= 24 hours after the last dose of hydroxyurea - Age >= 18 years. Because no dosing or adverse event data are currently available on the use of ASTX727 in combination with venetoclax in patients < 18 years of age, children are excluded from this study - Eastern Cooperative Oncology Group (ECOG) performance status =< 2 - Total bilirubin =< 1.5 x upper limit of normal (ULN) (unless considered due to Gilbert's syndrome) - Aspartate aminotransferase (AST) serum aspartate aminotransferase (SGOT)/alanine aminotransferase (ALT) serum glutamic pyruvic transaminase (SGPT) =< 3.0 x institutional ULN OR =< 5.0 x institutional ULN for patients with liver metastases - Glomerular filtration rate (GFR) >= 60 mL/min/1.73 m^2 unless data exists supporting safe use at lower kidney function values, no lower than 30 mL/min/1.73 m^2 - Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial - For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated - Patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. For patients with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load - Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial. Hormonal therapy for prior or concurrent malignancy is allowed - Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification. To be eligible for this trial, patients should be class 2B or better - Ability to understand and the willingness to sign a written informed consent document. Participants with impaired decision-making capacity (IDMC) who have a legally authorized representative (LAR) and/or family member available will also be eligible - Ability to swallow pills Exclusion Criteria: - Patients with need for emergent disease-directed therapy excluding hydroxyurea - Previous MDS/MPN-directed therapy, AML or MDS-directed therapy including lenalidomide and hypomethylating agent (HMAs) such as decitabine or azacitidine, excluding hydroxyurea. Prior use of erythropoietin stimulating agents (ESA) and thrombopoietic agents is allowed, but must be discontinued 4 weeks prior to study treatment - Patients currently or previously receiving an investigational agent or device within 4 weeks of the first dose of treatment - Patients with symptomatic uncontrolled central nervous system (CNS) disease. Imaging to confirm the absence of brain metastases is not required. Patients with spinal cord compression unless considered to have received definitive treatment for this and evidence of clinically stable disease for 28 days - Patients who have consumed grapefruit, grapefruit products, Seville oranges (including marmalade containing Seville oranges) or starfruit within 3 days prior to the initiation of study treatment and are unwilling to discontinue consumption of these throughout the receipt of study drug - History of allergic reactions attributed to compounds of similar chemical or biologic composition to ASTX727 or venetoclax - Patients with uncontrolled intercurrent illness (e.g. requiring intravenous therapy) at the discretion of the investigator - Pregnant women are excluded from this study because venetoclax and ASTX727 have the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with venetoclax, breastfeeding should be discontinued if the mother is treated with venetoclax. These potential risks may also apply to other agents used in this study. Patients must be post-menopausal or with evidence of non-childbearing status for women of childbearing potential: negative urine or serum pregnancy test within 28 days of study treatment and confirmed prior to treatment on Day 1. - Post-menopausal is defined as: - Amenorrheic for 1 year or more following cessation of exogenous hormonal treatments - Luteinizing hormone (LH) and follicle stimulating hormone (FSH) levels in the post-menopausal range for women under 50 years of age - Radiation-induced oophorectomy with last menses > 1 year ago - Chemotherapy-induced menopause with > 1 year interval since last menses - Surgical sterilization (bilateral oophorectomy or hysterectomy) - Women of child-bearing potential must agree to use adequate contraception (hormonal birth control or abstinence) prior to study entry and for the duration of study participation, and for 6 months following completion of study treatment. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception (latex or synthetic condom or abstinence) prior to the study, for the duration of study participation, and 3 months after completion of venetoclax and ASTX727 administration - Patients with any other medical condition for which the expected survival is below 12 months - Patients with a prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or assessment of the investigational regimen - Patients with active infection at the time of study entry

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Biospecimen Collection
Undergo collection of blood and buccal samples
Bone Marrow Biopsy
Undergo bone marrow biopsy
Drug:
Decitabine and Cedazuridine
Given PO
Venetoclax
Given PO

Locations

Country Name City State
Canada University Health Network-Princess Margaret Hospital Toronto Ontario
United States Montefiore Medical Center - Moses Campus Bronx New York
United States Montefiore Medical Center-Einstein Campus Bronx New York
United States Montefiore Medical Center-Weiler Hospital Bronx New York
United States UNC Lineberger Comprehensive Cancer Center Chapel Hill North Carolina
United States University of Virginia Cancer Center Charlottesville Virginia
United States Northwestern University Chicago Illinois
United States University of Chicago Comprehensive Cancer Center Chicago Illinois
United States University of Cincinnati Cancer Center-UC Medical Center Cincinnati Ohio
United States Ohio State University Comprehensive Cancer Center Columbus Ohio
United States UC Irvine Health Cancer Center-Newport Costa Mesa California
United States UCI Health Laguna Hills Laguna Hills California
United States Los Angeles General Medical Center Los Angeles California
United States USC / Norris Comprehensive Cancer Center Los Angeles California
United States Yale University New Haven Connecticut
United States UC Comprehensive Cancer Center at Silver Cross New Lenox Illinois
United States University of Oklahoma Health Sciences Center Oklahoma City Oklahoma
United States UC Irvine Health/Chao Family Comprehensive Cancer Center Orange California
United States University of Chicago Medicine-Orland Park Orland Park Illinois
United States University of Pittsburgh Cancer Institute (UPCI) Pittsburgh Pennsylvania
United States Virginia Commonwealth University/Massey Cancer Center Richmond Virginia
United States University of California Davis Comprehensive Cancer Center Sacramento California
United States Huntsman Cancer Institute/University of Utah Salt Lake City Utah
United States University of Cincinnati Cancer Center-West Chester West Chester Ohio
United States University of Kansas Hospital-Westwood Cancer Center Westwood Kansas
United States Wake Forest University Health Sciences Winston-Salem North Carolina

Sponsors (1)

Lead Sponsor Collaborator
National Cancer Institute (NCI)

Countries where clinical trial is conducted

United States,  Canada, 

Outcome

Type Measure Description Time frame Safety issue
Primary Complete response rate The complete remission rate will be compared between two arms using Fisher's exact test. Logistical regression will be used to estimate the effect of combination treatment on complete remission adjusting for covariates of interest. Up to 4 cycles
Secondary Overall survival (OS) Will be calculated using the Kaplan-Meier method. Comparisons of OS between treatment arms will be conducted using the one-sided log-rank test. Hazard ratios will be computed using the Cox proportional hazards model. The censored follow-up time for patients without death information is the date of last contact. From randomization until death from any cause, assessed up to 5 years
Secondary Progression-free survival (PFS) Will be calculated using the Kaplan-Meier method. Comparisons of PFS between treatment arms will be conducted using the one-sided log-rank test. Hazard ratios will be computed using the Cox proportional hazards model. For patients alive without progression, PFS will be censored at the date of the last disease evaluation. From randomization until disease progression or death from any cause, whichever comes first, assessed up to 5 years
Secondary Incidence of adverse events An undesired effect of a drug or other type of treatment, such as surgery. Adverse events can range from mild to severe and can be life-threatening. Up to 5 years
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