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Dynamics of Resistance Emergence to Azacitidine-based Therapies in Acute Myeloid Leukemia

Recruitingn/aAges 18 Years - 100 YearsAllAssistance Publique - Hôpitaux de Paris
NCT06225128 on ClinicalTrials.gov ↗
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In plain words

What the trial is, and whether it could suit you

Acute myeloid leukemia (AML) is a malignancy of aging endowed with poor prognosis. The combination of the hypomethylating agent azacitidine (AZA) with the BCL-2 inhibitor venetoclax (VEN) is the first-line treatment of older AML patients but is endowed with substantial resistance. The project leverages functional precision oncology, single-cell studies and mouse experiments to dissect the mechanisms of primary and adaptive resistance to AZA/VEN. The primary objective is to prospectively validate an ex vivo drug sensitivity testing (DST) assay as predictor of primary resistance to first-line AZA/VEN in 100 unfit AML patients. The study will also explore whether newer DST assays with enhanced niche mimicry can improve on the standard assay. By serially interrogating the short-term fate of both leukemic and immune cells upon AZA/VEN exposure in patients primed towards refractoriness, trans

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📋 Eligibility rules (as published)
Inclusion Criteria: * be ≥18 years old, * have a newly diagnosed AML according to ICC 2022 criteria, * patients with AML related to prior chemotherapy or radiotherapy for another cancer will be eligible, * patients with MDS/AML per ICC 2022 criteria will be eligible, * have signed the informed consent form of the eTHEMA observatory trial * have ≥10% blasts on the bone marrow smear at screening, * have not received any treatment for AML except for hydroxyurea and/or steroids, * Patients having previously received hypomethylating agents for an antecedent myelodysplastic syndrome are ineligible, * be eligible to AZA/VEN or AZA/IVO therapy, due to general health status, * have an ECOG performance status ≤ 2, * be planned to receive azacitidine and venetoclax (AZA/VEN) or azacitidine and ivosidenib (AZA/IVO) as frontline therapy, * weigh ≥ 40 kg (compliance to Loi Jardé for PB sampling), * have provided written informed consent obtained prior to any screening procedures Exclusion Criteria: At screening, patients must NOT: * have suspected or proven acute promyelocytic leukemia based on morphology, karyotype or molecular assay, including APL with non-PML::RARA rearrangements, * have suspected or proven AML with t(9;22)(q34.1;q11.2)/BCR::ABL1 based on karyotype or molecular assay, * have myeloid sarcoma, * have failed to perform bone marrow aspiration at screening, * have received previous therapy for AML with any investigational agent or cytotoxic drug, within 28 days before starting treatment. Only hydroxyurea is permitted for the control of blood counts. Aside from hypomethylating agents, other treatments for an antecedent myeloid neoplasm (MDS or MPN) are not considered as exclusion criteria, * be pregnant or breastfeeding (for women), * present any of concurrent severe and/or uncontrolled medical condition, which could compromise participation in the study, * be enrolled in a clinical trial which could compromise participation in the study.
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What it tests

  • Biobanking blood
  • Bone marrow specimens
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Where

1 site
Hôpital Saint Louis
Paris, France
🤝 Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible — always decide together with your own doctor.
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