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Trial Title: Natural Killer(NK) Cell Therapy in Acute Myeloid Leukemia

NCT ID: NCT05987696

Condition: AML, Adult
Minimal Residual Disease

Conditions: Official terms:
Leukemia, Myeloid, Acute
Neoplasm, Residual
Cytarabine
Cyclophosphamide
Fludarabine

Study type: Interventional

Study phase: Phase 1

Overall status: Not yet recruiting

Study design:

Allocation: Non-Randomized

Intervention model: Parallel Assignment

Primary purpose: Treatment

Masking: None (Open Label)

Intervention:

Intervention type: Drug
Intervention name: CD33/CLL1 dual CAR-NK cell
Description: NK cell therapy
Arm group label: CD33/CLL1 dual CAR-NK cell

Intervention type: Drug
Intervention name: Cyclophosphamid
Description: Lympho-conditioning Agent
Arm group label: CD33 CAR-NK cell
Arm group label: CD33/CLL1 dual CAR-NK cell
Arm group label: super NK cell

Intervention type: Drug
Intervention name: Fludarabine
Description: Lympho-conditioning Agent
Arm group label: CD33 CAR-NK cell
Arm group label: CD33/CLL1 dual CAR-NK cell
Arm group label: super NK cell

Intervention type: Drug
Intervention name: Cytarabine
Description: Lympho-conditioning Agent
Arm group label: CD33 CAR-NK cell
Arm group label: CD33/CLL1 dual CAR-NK cell
Arm group label: super NK cell

Intervention type: Drug
Intervention name: CD33 CAR-NK cell
Description: NK cell therapy
Arm group label: CD33 CAR-NK cell

Intervention type: Drug
Intervention name: super NK cell
Description: NK cell therapy
Arm group label: super NK cell

Summary: This is a phase 1, first-in-human (FIH), open-label, multicohort study to evaluate the safety, tolerability and preliminary efficacy of iPSC NK cells in patients with relapsed/refractory AML or AML Minimal Residual Disease (MRD).

Criteria for eligibility:
Criteria:
Inclusion Criteria: 1. Provision of signed and dated informed consent form (ICF). 2. ≥18 years old. 3. Eastern Cooperative Oncology Group (ECOG) performance status ≤1 and life expectancy greater than 12 weeks. 4. Diagnosis of r/r AML (Cohort 1 and 2) or AML MRD (Cohort 3). 5. Cohort 1: Both CLL1 and CD33 expression are positive in AML blasts; Cohort 2: The expression of CD33 in AML blast is positive. 6. Adequate organ and marrow function, as defined below: 1. Blood creatinine (Cr) ≤ 2 x ULN or calculated creatinine clearance (Cockcroft-Gault formula) ≥ 50 mL/min; 2. Total bilirubin (TBIL) ≤ 2 x the ULN; 3. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 3 x ULN; 4. International normalized ratio (INR) and activated partial thromboplastin time (aPTT) ≤ 1.5 x ULN; 7. Females of childbearing potential must have a negative serum pregnancy test. 8. Donor specific antibody (DSA) is negative: MFI <= 2000. Exclusion Criteria: 1. Allergic to drug used in this study. 2. Subjects received any antitumor therapy as follows, prior to first NK infusion: 1. Systemic steroid therapy within 3 days (except physiological replacement therapy); 2. Systemic antitumor therapy within 2 weeks or at least 5 half-lives, whichever is less; 3. Radiotherapy within 4 weeks; 4. Donor lymphocyte infusion within 6 weeks; 5. Intrathecal treatment within 1 week; 6. CAR-T therapy, CAR-NK therapy, or any other genetically modified cell therapy product within 6 months; 3. History of allogeneic stem cell transplantation. 4. Received the vaccine within 4 weeks prior to the first infusion and/or expected to require vaccination from the study period to 12 weeks after the last infusion. 5. Active central nervous system Leukemia. 6. Acute Promyelocytic Leukemia (APL). 7. History of other malignant tumors, except for those who have achieved complete remission more than 5 years after radical treatment without any signs of recurrence. 8. Active autoimmune diseases. 9. History of central nervous system disease or meningeal involvement such as epilepsy, paralysis, aphasia, stroke, etc. 10. Serious cardiovascular and cerebrovascular diseases: 1. Severe heart rhythm or conduction abnormalities, corrected QT interval (QTc)≥480 ms; 2. Acute coronary syndrome, congestive heart failure, aortic dissection, stroke, or other grade 3 or higher cardiovascular and cerebrovascular events within 6 months prior to first infusion; 3. New York Heart Association (NYHA) class II or above congestive heart failure or left ventricular ejection fraction (LVEF) <50% in color Doppler echocardiography; 4. Hypertension that cannot be controlled by drug. 11. Active pulmonary infection; SpO2 ≤90%; Pulmonary embolism, chronic obstructive pulmonary disease, or interstitial lung disease. 12. Uncontrolled bacterial, fungal, or viral infection. Known HIV infection, active Hepatitis B (HBV) or Hepatitis C (HCV) infection. 13. History of substance abuse. 14. Toxicity induced by previous therapy not recovered to ≤ grade 2(NCI-CTCAE v5.0). 15. Large surgical treatment within 4 weeks prior to first infusion, not including diagnostic biopsy. 16. Pregnant/breastfeeding women. 17. Investigator-assessed presence of any medical or social issues that are likely to interfere with study conduct or may cause increased risk to subject.

Gender: All

Minimum age: 18 Years

Maximum age: N/A

Healthy volunteers: No

Locations:

Facility:
Name: Institute of Hematology & Blood Diseases Hospital

Address:
City: Tianjin
Country: China

Contact:
Last name: Jianxiang Wang

Phone: 022-23909120
Email: wangjx@ihcams.ac.cn

Start date: August 10, 2023

Completion date: August 31, 2026

Lead sponsor:
Agency: Institute of Hematology & Blood Diseases Hospital, China
Agency class: Other

Collaborator:
Agency: Hangzhou Qihan Biotech Co.,Ltd.
Agency class: Industry

Source: Institute of Hematology & Blood Diseases Hospital, China

Record processing date: ClinicalTrials.gov processed this data on November 12, 2024

Source: ClinicalTrials.gov page: https://clinicaltrials.gov/ct2/show/NCT05987696

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