Experimental cell therapy targets stubborn leukemia in early trial
NCT ID NCT05654779
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-phase study tested a new treatment called LCAR-AMDR cells in 4 people with acute myeloid leukemia that had come back or not responded to standard therapy. The treatment uses specially engineered immune cells to target two proteins (CLL1 and CD33) on leukemia cells. The main goals were to check safety and find the right dose. The study was terminated early, so results are limited.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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4 people
The number who actually took part.
- Started
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Dec 2022
- Finished
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Sep 2023
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
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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14 to 60 years
- 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. The subject voluntarily participates in the clinical study; Fully understand and be Informed of the study and sign the Informed consent (Informed Consent Form, ICF)(For minors, the guardian shall also provide written informed consent ); Willing to follow and able to complete all test procedures; Informed consent must be obtained before initiating any tests or procedures related to the study that are not part of the standard treatment of the subject's disease; 2. Age 14-60 years; 3. ECOG score: ≤2; 4. Relapsed/refractory AML must meet one of the following conditions: 1. Twice or more relapse; 2. Newly diagnosed AML patients who failed after 2 cycles of standard chemotherapy; 3. Relapse within 12 months after CR, or relapse after 12 months with CR but failed to respond to conventional chemotherapy; 4. Persistent extramedullary leukemia. 5. Meet the requirements of allogeneic HSCT 6. Expected survival ≥ 3 months; Exclusion Criteria: 1. Subject with APL/AML-M3:t(15;17)(q22;q12) 2. Received any of the following treatments: * Previous allo-HSCT(Subjects who received allo-HSCT for more than 6 months, have stopped immunosuppressive drugs and have no active GvHD are not included in the exclusion criteria) * Previous gene therapy * Previous anti CD33/CLL1 therapy * Previous any target CAR-T cells therapy 3. Prior antitumor therapy with insufficient washout period; 4. CNS infiltration; Except for patients with prior CNS infiltration who are currently in remission; 5. HBsAg, HBV DNA, HCV-Ab, HCV RNA or HIV-Ab positive; 6. Pregnant or breast-feeding women;
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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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Beijing Gobroad BoRen Hospital
Beijing, Beijing Municipality, 100070, China
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Chinese Academy of Medical Science and Blood Disease Hospital
Tianjin, Tianjin Municipality, 300020, China
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Other studies related to the condition(s) this trial covers.
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