Experimental immune cell therapy for AML shows promise but trial halted early
NCT ID NCT04511130
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a treatment called MT-401, which uses specially trained immune cells from a donor to fight acute myeloid leukemia (AML) after a stem cell transplant. The goal was to see if these cells could prevent or treat relapse. The trial enrolled 92 people but was stopped early. The approach aims to control the disease, not cure it, as patients still need ongoing monitoring and care.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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92 people
The number who actually took part.
- Started
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Oct 2020
- Finished
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Mar 2024
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria 1. First allogeneic HSCT, in ≤ CR2, and MRD negative prior to transplant (including matched sibling, MUD with at least 6 of 8 HLA markers, or haploidentical with at least 5 of 10 HLA markers) as: * Adjuvant therapy for AML (Group 1) at 85-130 days post-HSCT defined as patients with CRMRD; or * Treatment for refractory/relapsed AML (first relapse post-HSCT) when disease occurs after transplant (Group 2) defined as * First relapse (MRD+ or frank relapse) post-HSCT * Patients in Arm 1B (SOC) who experience first relapse (MRD+ or frank relapse) post HSCT * Safety Lead-in defined as patients who fit all the criteria for Group 2 only 2. Are ≥18 years of age 3. Karnofsky/ Lansky score of ≥60 4. Life expectancy ≥12 weeks 5. Adequate blood, liver, and renal function * Blood: Hemoglobin ≥7.0 g/dL (can be transfused) * Liver: Bilirubin ≤2X upper limit of normal; aspartate aminotransferase ≤3X upper limit of normal * Renal: Serum creatinine ≤2X upper limit of normal or measured or calculated creatinine clearance ≥45mL/min 7\. Patients are allowed to be on experimental conditioning regimens prior to transplant if no planned maintenance therapy post-transplant. 8\. In Group 2, patients may receive bridging therapy at the investigators' discretion in situations where MT-401 is not ready for administration or the treating physician believes the patient would benefit Exclusion Criteria 1. Clinically significant or severely symptomatic intercurrent infection 2. Pregnant or lactating 3. For Group 1, anti-neoplastic therapy after HSCT and prior to or during dosing of MT-401 4. For Group 2, concomitant anti-neoplastic therapy during or after dosing of MT-401 5. Evidence of acute or chronic GVHD ≥Grade 2 (exception: acute or chronic Grade 2 GVHD of skin allowed if stable) within one week prior to receiving MT-401
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Baylor College of Medicine
Houston, Texas, 77030, United States
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City of Hope National Medical Center
Duarte, California, 91010, United States
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Cleveland Clinic Taussig Cancer Center
Cleveland, Ohio, 44195, United States
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John Theurer Cancer Center at Hackensack UMC
Hackensack, New Jersey, 07601, United States
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MD Anderson Cancer Center
Houston, Texas, 77030, United States
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Mayo Clinic Cancer Center-Rochester
Rochester, Minnesota, 55905, United States
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Mayo Clinical Cancer Center-Florida
Jacksonville, Florida, 32224, United States
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Memorial Sloan Kettering Cancer Center
New York, New York, 10065, United States
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Moffitt Cancer Center
Tampa, Florida, 33612, United States
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Montefiore Medical Center
The Bronx, New York, 10467, United States
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Moores Cancer Center at University of Californa San Diego
La Jolla, California, 92093, United States
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UCLA Department of Medicine
Los Angeles, California, 90095, United States
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University of Alabama at Birmingham
Birmingham, Alabama, 35249, United States
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University of Chicago
Chicago, Illinois, 77027, United States
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University of Iowa Hospitals & Clinics
Iowa City, Iowa, 52242, United States
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Weill Cornell Medicine | NewYork-Presbyterian
New York, New York, 10027, United States
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Winship Cancer Institute of Emory University
Atlanta, Georgia, 303222, United States
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Yale Cancer Center
New Haven, Connecticut, 06519, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a p53-Targeting drug boost chemotherapy in Hard-to-Treat blood cancers?
- Can an HDAC inhibitor wipe out residual leukemia cells?
- Can an experimental pill block a cancer-driving enzyme in hard-to-treat leukemia?
- Two-Drug combo targets leukemia that outsmarted its first treatment
- Tweaking donor cells may shield older transplant patients from a dangerous complication
- Can a drug and donor cells stop leukemia from returning after transplant?