CD371-targeted CAR T cells secreting interleukin-18 exhibit robust expansion and clear refractory acute myeloid leukemia.
Mark B Geyer, Susan DeWolf, Xiaoli Mi...
https://pubmed.ncbi.nlm.nih.gov/40864984/Actively Recruiting
Led by Memorial Sloan Kettering Cancer Center · Updated on 2026-06-22
15
Participants Needed
7
Research Sites
N/A
Total Duration
Researchers are evaluating the safety and dosing of CD371-YSNVZ-IL18 CAR T cells in people with relapsed or refractory Acute Myeloid Leukemia AML. This Phase 1 study aims to find the highest dose of these CAR T cells that causes few or mild side effects. The study is led by Memorial Sloan Kettering Cancer Center and focuses on patients with CD371-positive AML who have limited treatment options due to relapse or refractory disease. Participants receive escalating doses of CD371-specificYSNVZIL-18 CAR T cells along with lymphodepleting chemotherapy. The study includes several dose levels, including a step-down lower dose in case of severe toxicity. The goal is to establish the maximum tolerated dose MTD of the CAR T cells. The treatment groups include patients receiving different dose levels of the CAR T cells. During the study, participants undergo collection of T cells for CAR T cell manufacturing, and then treatment with the study CAR T cells. Researchers monitor the participants for up to 6 months to assess safety and side effects, including laboratory tests and clinical evaluations. Outcome measures focus on determining the maximum tolerated dose and evaluating participant health throughout the treatment and follow-up period.
CONDITIONS
A Study of CD371-YSNVZIL-18 CAR T Cells in People With Acute Myeloid Leukemia
M
Mark Geyer, MD
J
Jae Park, MD
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Memorial Sloan Kettering Cancer Center
Lead Sponsor
This table compares participation in this trial with other options available for this condition. The information is drawn from published research and the trial’s study details and is provided for educational purposes only.
| Factors | Investigational CAR T therapy (trial) | Current standard of care (external) |
|---|---|---|
| What it is | An experimental CAR T‑cell therapy directed at CD371 (CD371‑specific/YSNVz/IL‑18 CAR T cells) using dose escalation and a step‑down option to manage toxicity | Current treatment options for relapsed or refractory AML include intensive chemotherapy, available targeted therapies, or hematopoietic stem cell transplantation when eligible |
| Primary use | To establish maximum tolerated dose and evaluate safety in patients with relapsed/refractory CD371‑positive AML | Used as standard approaches to induce remission in relapsed/refractory AML and potentially bridge to transplant |
| How it is given or performed | Patients undergo lymphodepletion then receive escalating doses of CD371‑specific CAR T cells, with a lower step‑down dose option if toxicity occurs | Administration depends on therapy type (e.g. chemotherapy cycles or transplant protocols as per standards) |
| Evidence status | Early‑phase clinical investigation without established efficacy; primary goal is safety and dose determination | Standard therapies have known clinical effectiveness for relapsed/refractory AML in select patients |
| Important risks | Risks may include cytokine release syndrome, neurotoxicity, prolonged myelosuppression and need for transplant to restore marrow | Chemotherapy and transplant carry well‑known risks such as infection, organ toxicity, graft‑versus‑host disease for transplant |
| Important limitations | Single‑arm dose‑finding design limits understanding of comparative effectiveness; long‑term outcomes unclear | Not all patients are eligible for intensive therapy or transplant; outcomes vary by prior treatment and health status |
Disclaimer: This comparison is created with the help of artificial intelligence(AI) and may contain errors or missing information. It is not medical advice and does not mean one option is better or safer than another. Clinical trials are still being studied, and joining a trial is your choice. Please consult your healthcare professional before making any decisions.
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Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
1 visit (in-person)
Duration - Varies by participant
Participants undergo collection of T cells to manufacture the CAR T cell therapy.
1 to 2 visits depending on individual treatment plan
Duration - Up to 6 months of monitoring post-infusion
Participants receive lymphodepleting chemotherapy followed by infusion of CD371-specific/YSNVZ/IL-18 CAR T cells at assigned dose levels.
Multiple visits for treatment and safety monitoring
Duration - Up to 6 months
Participants are monitored for side effects and safety after treatment infusion.
Regular visits for safety assessments
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NON_RANDOMIZED
Model
SEQUENTIAL
Primary Purpose
TREATMENT
Number of Arms
3
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Mark B Geyer, Susan DeWolf, Xiaoli Mi...
https://pubmed.ncbi.nlm.nih.gov/40864984/Memorial Sloan Kettering Cancer Center
Lead Sponsor