A Study of Murine CD19 CAR-T Therapy for Patients With Relapsed or Refractory CD19+ B-cell Hematological Malignancies

• Status: Recruiting
• Trial end date: 2026-11-01
• Target enrollment: 0
• Participant gender: All

Summary

A Study of Murine CD19 CAR-T Cells Therapy for Patients With Relapsed or Refractory CD19+ B-cell Hematological Malignancies.

• Phase: Early Phase 1
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Zhejiang University
• Collaborator: Yake Biotechnology Ltd.
• Treatments: Carbamide Peroxide

Criteria

Inclusion Criteria:

• Inclusion criteria only for B-ALL:

1. Histologically confirmed diagnosis of CD19+ B-ALL per the US National Comprehensive Cancer Network (NCCN) Clinical Practice Guidelines for Acute Lymphoblastic Leukemia (2016.v1)；

2. Relapsed or refractory CD19+ B-ALL (meeting one of the following conditions):

1. CR not achieved after standardized chemotherapy;

2. CR achieved following the first induction, but CR duration is less than 12 months;

3. Ineffectively after first or multiple remedial treatments;

4. 2 or more relapses;

3. The number of primordial cells (lymphoblast and prolymphocyte) in bone marrow is > 5% (by morphology), and/or > 1% (by flow cytometry);

4. Philadelphia-chromosome-negative (Ph-) patients; or Philadelphia-chromosome-positive (Ph+) patients who cannot tolerate TKI treatments or do not respond to 2 TKI treatments;

• Inclusion criteria only for B-NHL:

1. Histologically confirmed diagnosis of DLBCL (NOS), FL, DLBCL transformed from CLL/SLL, PMBCL, and HGBCL per the WHO Classification Criteria for Lymphoma (2016);

2. Relapsed or refractory B-NHL (meeting one of the following conditions):

1. No response or relapse after second-line or above chemotherapy regimens;

2. Primary drug resistance;

3. Relapse after auto-HSCT;

3. At least one assessable tumor lesion per Lugano 2014 criteria;

• Common inclusion criteria for B-ALL and B-NHL:

1. Total bilirubin ≤ 51 umol/L, ALT and AST ≤ 3 times of upper limit of normal, creatinine ≤ 176.8 umol/L;

2. Echocardiogram shows left ventricular ejection fraction (LVEF) ≥ 50%;

3. No active infection in the lungs, blood oxygen saturation in indoor air is ≥ 92%;

4. Estimated survival time ≥ 3 months;

5. ECOG performance status 0 to 2;

6. Patients or their legal guardians volunteer to participate in the study and sign the informed consent.

Exclusion Criteria:

Subjects with any of the following exclusion criteria were not eligible for this trial:

1. History of craniocerebral trauma, conscious disturbance, epilepsy,cerebrovascular ischemia, and cerebrovascular, hemorrhagic diseases;

2. Electrocardiogram shows prolonged QT interval, severe heart diseases such as severe arrhythmia in the past;

3. Pregnant (or lactating) women;

4. Patients with severe active infections (excluding simple urinary tractinfectionand bacterial pharyngitis);

5. Active infection of hepatitis B virus or hepatitis C virus;

6. Concurrent therapy with systemic steroids within 2 weeks prior to screening, except for the patients recently or currently receiving in haled steroids;

7. Previously treated with any CAR-T cell product or other genetically-modified T cell therapies;

8. Creatinine>2.5mg/dl, or ALT / AST > 3 times of normal amounts, or bilirubin>2.0 mg/dl;

9. Other uncontrolled diseases that were not suitable for this trial;

10. Patients with HIV infection;

11. Any situations that the investigator believes may increase the risk of patients or interfere with the results of study.