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Immunotherapy With CD22 CAR T-cells for B-Cell Lymphoma, ALL and CLL

K

Kecellitics Biotech Company

Status and phase

Unknown
Phase 2
Phase 1

Conditions

Lymphoma
Leukemia

Treatments

Biological: :Anti-CD22-CAR

Study type

Interventional

Funder types

Other
Industry

Identifiers

Details and patient eligibility

About

This study aims to evaluate the safety, efficacy and duration of response of CD22 Chimeric Antigen Receptor (CAR) redirected autologous T-cells in patients with high risk, relapsed CD22+ haematological malignancies.

Full description

This is a multi-centre, non-randomised, open label Phase I clinical trial of an Advanced Therapy Investigational Medicinal Product named CD22 Chimeric Antigen Receptor (CAR) T-cells (CD22 CAR T-cells) in patients with high risk, relapsed CD22+ haematological malignancies (Leukemia and lymphoma). Following informed consent and registration to the trial, patients will undergo an unstimulated leukapheresis for the generation of the CD22 CAR Tcells. Patients will receive the CD22CAR T-cells following lymphodepleting chemotherapy. The study will evaluate the safety, efficacy and duration of response of the CD22 CAR T-cells in patients with high risk relapsed CD22+ malignancies

Enrollment

100 estimated patients

Sex

All

Ages

2 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Relapsed or refractory B cell derived acute lymphoblastic leukemia(ALL), chronic lymphoblastic leukemia(CLL) and non-hodgkin lymphoma.
  2. KPS>60.
  3. Life expectancy>3 months.
  4. Gender unlimited, age from 2 years to 70 years.
  5. CD22 expression must be detected on greater than 15% of the malignant cells by immunohistochemistry or greater than 30% by flow cytometry.
  6. Patients who have failed at least one line of a standard treatment.
  7. No serious mental disorder.
  8. Patients must have adequate cardiac function(no cardiac disease, LVEF≥40% ), adequate pulmonary function as indicated by room air oxygen saturation of >94%, and adequate renal function(Cr≤133umol/L).
  9. No other serious diseases(autoimmune disease, immunodeficiency etc.).
  10. No other tumors.
  11. Patients volunteer to participate in the research.
  12. Patients with history of allogeneic stem cell transplantation are eligible if at least 100 days post-transplant, if there is no evidence of active GVHD and no longer taking immunosuppressive agents for at least 30 days prior to

Exclusion criteria

  1. KPS<50.
  2. Patients are allergic to cytokines.
  3. Central nervous system leukemia within 28 days.
  4. Uncontrolled active infection.
  5. Acute or chronic GVHD.
  6. Treated with T cell inhibitor.
  7. Pregnancy and nursing females.
  8. HIV/HBV/HCV Infection.
  9. Other situations we think improper for the research.

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

100 participants in 3 patient groups

experimental:1
Experimental group
Description:
Acute lymphoblastic leukemia treated with chimeric antigen receptor modified T cells(Anti-CD22-CAR) targeting CD22.
Treatment:
Biological: :Anti-CD22-CAR
experimental:2
Experimental group
Description:
Chronic lymphoblastic leukemia with chimeric antigen receptor modified T cells(Anti-CD22-CAR) targeting CD22.
Treatment:
Biological: :Anti-CD22-CAR
experimental:3
Experimental group
Description:
Non-hodgkin lymphoma treated with chimeric antigen receptor modified T cells(Anti-CD22-CAR) targeting CD22.
Treatment:
Biological: :Anti-CD22-CAR

Trial contacts and locations

0

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Central trial contact

Li xiangqun

Data sourced from clinicaltrials.gov

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