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To Observe the Dual-target Chimeric Antigen Receptor T Cells in the Treatment of B Cell Hematologic Tumors

H

Hebei Senlang Biotechnology

Status and phase

Enrolling
Phase 1

Conditions

19 and 22+ B Cell Hematologic Tumors
19 and 20+ B Cell Hematologic Tumors

Treatments

Biological: Autologous CD19/CD22/CD20 Chimeric Antigen Receptor T-cells

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT05388695
19+22 for B-ALL/NHL

Details and patient eligibility

About

To observe the long-term efficacy and safety of dual-target chimeric antigen receptor T cells in the treatment of refractory relapsed B cell hematologic tumors (at least 2 years).

Full description

This study is open single-arm prospective clinical study To relapse/refractory blood B cell tumor patients as the subjects, according to the expression of tumor cells, gives the corresponding double targets CART cell injection treatment, follow-up observation of the adverse reactions and the treatment effect of the drug to the data (at least 2 years), assessment of double targets CAR - T Long-term efficacy and safety of cell injection

Enrollment

100 estimated patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Refractory and relapsed B-cell tumor determined by clinical diagnosis, B cell tumors include the following three categories: B cell acute lymphocyte leucocyte; Inert B cell lymphoma (CLL、 FL、 MZL); Aggressive B-cell lymphoma (DLBCL、 BL、 MCL);
  2. CD19 positive and CD20 positive or CD22 positive were detected by immunohistochemistry or flow cytometry; 3.18 years old≤age≤70 years old;

4.Estimated survival time>3 months; 5.ECOG Scores: 0~2; 6.There should be at least one measurable tumor foci according to RECIST Version 1.1; 7.The functions of vital organs must meet the following conditions: EF>50%, and no obvious abnormality of electrocardiogram; SpO2≥92%; Cr≤1.5ULN; ALTand AST≤5ULN, TBil≤3ULN; 8.Subjects planning to become pregnant must agree to use contraception prior to enrolling in the study and after six months of study duration; inform the investigator immediately if the subject becomes pregnant or suspects pregnancy; 9.The subject or guardian understands and signs the informed consent.

Exclusion criteria

  1. With other diseases that are not effectively controlled, including, but not limited to, persistent or poorly controlled infections symptomatic congestive heart failure unstable angina arrhythmia poorly controlled pulmonary disease or psychiatric disease;
  2. Presence of other malignant tumors;
  3. There are severe infections that cannot be effectively controlled;
  4. Hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) positive, peripheral blood hepatitis B virus (HBV)DNA higher than the detection limit should be excluded; If hepatitis C virus (HCV) antibody positive, peripheral blood HCV RNA positive need to exclude; Cytomegalovirus (CMV)DNA positive; Epstein-barr virus DNA positive in peripheral blood;
  5. Known positive serology for human immunodeficiency virus (HIV) or syphilis;
  6. A history of severe allergies to biological products (including antibiotics);
  7. Patients with relapses after allogeneic hematopoietic stem cell transplantation with grade 3-4 acute graft-versus-host disease (GvHD);
  8. Female patients who are under pregnancy and/or lactation;
  9. Active autoimmune disease requiring systemic immunosuppressive therapy;
  10. Conditions that the investigator believes may increase the risk to the subject or interfere with the results of the study.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

100 participants in 1 patient group

19+22 CART and 19+20 CART
Experimental group
Description:
Eligible patients will be treated with 19+22 CAR-T and 19+20 CAR-T.
Treatment:
Biological: Autologous CD19/CD22/CD20 Chimeric Antigen Receptor T-cells

Trial contacts and locations

1

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Central trial contact

Jianqiang Li, PhD&MD; Liang Huang, PhD&MD

Data sourced from clinicaltrials.gov

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