Sequential CAR-T Cells Targeting CD33/CD123 in Patients With Acute Myelocytic Leukemia AML

Summary

This is an open, single-arm, clinical study to evaluate the efficacy and safety of chimeric antigen receptor T cell immunotherapy (CAR-T) targeting CD33 or CD123 or both sequentially in the treatment of Acute Myelocytic Leukemia.

Eligibility

Inclusion Criteria:

* Subjects with acute myeloid leukemia who voluntarily signed informed consent and met the following criteria:
* Age older than 6 months.
* Confirmed expression of CLL-1, CD123 and/or CD33 in blast AML by immuno-histochemical staining or flow cytometry.
* Karnofsky performance status (KPS) score is higher than 80 and life expectancy \> 3 months.
* Adequate bone marrow, liver and renal function as assessed by the following laboratory requirements: cardiac ejection fraction ≥ 50%, oxygen saturation ≥ 90%, creatinine ≤ 2.5 × upper limit of normal, aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 3 × upper limit of normal, total bilirubin ≤ 2.0mg/dL.
* Hgb≥80g/L.
* No cell separation contraindications.
* Abilities to understand and the willingness to provide written informed consent.

Exclusion Criteria:

* Severe illness or medical condition, which would not permit the patient to be managed according to the protocol, including active uncontrolled infection.
* Active bacterial, fungal or viral infection not controlled by adequate treatment.
* Known HIV, hepatitis B virus (HBV) or hepatitis C virus (HCV) infection.
* Pregnant or nursing women may not participate.
* Use of glucocorticoid for systemic therapy within one week prior to entering the trial.
* Patients, in the opinion of investigators, may not be able to comply with the study.

Conditions5

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