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A Single-arm, Open-label, Single-center Clinical Study: Safety, Tolerability and Preliminary Efficacy of Autologous Anti-CLL1/CLL1+CD33 CAR-T in the Treatment of Relapsed or Refractory Acute Myeloid Leukemia in Children

A Single-arm, Open-label, Single-center Clinical Study: Safety, Tolerability and Preliminary Efficacy of Autologous Anti-CLL1/CLL1+CD33 CAR-T in the Treatment of Relapsed or Refractory Acute Myeloid Leukemia in Children

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200061284
Enrollment
Unknown
Registered
2022-06-19
Start date
2022-06-06
Completion date
Unknown
Last updated
2023-03-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute myeloid leukemia

Interventions

Group 1 :CAR-T

Sponsors

Sun Yat-sen Memorial Hospital, Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
1 Years to 18 Years

Inclusion criteria

Inclusion criteria: 1. Patients or their legal guardians voluntarily sign the informed consent and are expected to complete the follow-up examination and treatment of the research procedures; 2. Age 1-18 years old, gender is not limited; 3. Relapsed and refractory acute myeloid leukemia (r/rAML) patients: AML patients (including secondary patients) diagnosed by pathology, histology and flow cytometry, relapsed during chemotherapy, or primary drug resistance, or complete hematological remission cannot be obtained after one course of chemotherapy for hematological recurrence after drug withdrawal (standards refer to NCCN, 2021.3); 4. Bone marrow CLL1 antigen expression is greater than 90%, or CLL1 expression is less than 90% and CD33 expression is greater than 90%; 5. ECOG physical status score 0-2 points; 6. The main tissues and organs of the patient are in good function: (1) Liver function: ALT/AST = 92%; (4) Cardiac function: left ventricular ejection fraction (LVEF) >= 40%; 7. The peripheral superficial vein blood flow of the patient is smooth, which can meet the needs of intravenous infusion and mononuclear cell collection; 8. Female patients are not pregnant or breastfeeding; 9. Sexually active male patients must agree to take barrier contraceptive measures or complete abstinence.

Exclusion criteria

Exclusion criteria: 1. Diagnosed with acute promyelocytic leukemia; 2. Patients had uncontrollable infectious diseases within 4 weeks before enrollment; 3. Patients with active hepatitis B/C virus, human immunodeficiency virus (HIV) infection, cytomegalovirus (CMV) DNA test positive, treponema pallidum (TP) test positive or HTLV test positive; 4. Known to have allergic reactions to any ingredients used in the treatment of this study; 5. Patients with other primary tumors other than acute myeloid leukemia diagnosed by pathology; 6. Suffering from severe autoimmune diseases or immunodeficiency diseases; 7. According to the investigator's judgment and/or clinical standards, patients who have contraindications to any research procedure or have other medical conditions that may expose them to unacceptable risks.

Design outcomes

Primary

MeasureTime frame
dose limited toxicity, DLT;Maximal Tolerable Dose, MTD;

Secondary

MeasureTime frame
safety index;overall response rate, ORR;duration of remission, DOR;Progression-free survival, PFS;overall survival;

Countries

China

Contacts

Public ContactZhou Dunhua

Guangzhou Bio-gene Technology Co., Ltd

zdunhua@163.com+86 20 81332199

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026