Clinical trial Recruiting at 1 site Phase1; Phase2 Interventional Ages 14 to 75

CAR-T cell therapy for relapsed B cell leukemia and lymphoma

Official title: Safety and Efficacy of CAR2219 CAR-T Cells in Treatment of Relapsed/refractory CD19/CD22 Positive B Cell Leukemia and Lymphoma

Run by Affiliated Hospital to Academy of Military Medical Sciences · NCT06834529 · Data updated 2026-11-12

This study is testing a new CAR-T cell therapy to see if it can help people with relapsed B cell leukemia and lymphoma feel better.

More Relapsed/Refractory Large B-cell Lymphoma trials

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Ages14 Years to 75 Years
SexAll
Enrollment20 (estimated)
SponsorAffiliated Hospital to Academy of Military Medical Sciences
Academic / other
Drugs / interventionsrituximab, CAR-T, chemotherapy, CAR T
Locations1 site (Beijing, Beijing Municipality)
StatusRecruiting
StartedJanuary 20, 2025
Main results expectedJanuary 31, 2027
Study endsJanuary 31, 2027
Registry record updatedFebruary 19, 2025
Trial IDNCT06834529 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals with relapsed or refractory CD19/CD22 positive B cell leukemia or lymphoma.

Probably not a fit

Patients who do not have CD19/CD22 positive B cell malignancies or those with other types of leukemia or lymphoma may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial evaluates the safety and efficacy of CAR2219 CAR-T cells in patients with relapsed or refractory CD19/CD22 positive B cell leukemia and lymphoma. It is a single-arm, open-label study that will enroll 20 subjects who will receive CAR2219 CAR-T cell injections. Participants will be monitored for adverse reactions and therapeutic effects following treatment. The goal is to gather data on the treatment's effectiveness and safety profile.

Why it matters

Potential benefit: If successful, this therapy could provide a new treatment option for patients with difficult-to-treat B cell leukemia and lymphoma.

How similar studies have gone: Other studies using CAR-T cell therapies have shown promising results, indicating that this approach has potential based on previous successes.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Signed written informed consent;
2. Relapsed/refractory CD19/CD22 positive B cell Leukemia or Lymphoma must be assured and meet one of the following conditions: (1) Confirmation for either CD19 or CD22 positivity using immunohistochemistry or flow cytometry; (2) B-cell tumors include the following three categories: ① B-cell acute lymphoblastic leukemia (B-ALL); Indolent B-cell lymphoma (CLL, FL, MZL, LPL, HCL); Aggressive B-cell lymphoma (DLBCL, BL, MCL) (3) Refractory/recurrent B-ALL (include one of the following situations) : ① relapse within 12 months after the first remission; ② The first refractory patients who did not achieve complete remission after 2 cycles of standard chemotherapy regimen; ③ Failure to achieve complete remission or relapse after first-line or multi-line salvage chemotherapy; ④ Recurrence after hematopoietic stem cell transplantation. (4) Refractory/recurrent B-cell lymphoma (meeting the requirements of 1 of the first 4 below plus 5) : ① After 4 courses of chemotherapy prescribed by the standard protocol, the tumor has shrunk by less than 50% or the disease progression(PD); ② CR reached after standard chemotherapy, but relapse occurred within 12 months; ③ Two or more recurrence after CR; ④ Recurrence after hematopoietic stem cell transplantation; ⑤Patients must have received rituximab or another anti-CD20 monoclonal antibody (unless Investigator determines that tumor is CD20-negative) and an anthracycline-containing chemotherapy regimen.
3. All genders, ages: 14 to 75 years
4. Eastern Cooperative Oncology Group (ECOG) Performance Status 0 to 2.
5. Life expectancy ≥3 months;
6. HGB≥70g/L
7. Liver,kidney function and cardiopulmonary function meet the following requirements: (1) creatinine ≤1.5×ULN; (2) left ventricular ejection fraction≥50%; (3) Oxygen saturation \>90%; (4) Total bilirubin ≤1.5×ULN, ALT and AST≤2.5×ULN;
8. Participants agreed to use contraception from the time of informed consent until 1 year after CAR-T cell infusion."

Exclusion Criteria:

1. Severe heart failure with left ventricular ejection fraction \<50%;
2. A history of severe lung function impairment;
3. Combined with other advanced malignant tumors;
4. Complicated with severe infection that could not be effectively controlled;
5. Severe autoimmune disease or congenital immune deficiency;
6. Active hepatitis (hepatitis B virus DNA \[HBV-DNA\] or hepatitis C virus RNA \[HCV-RNA\] test results above the lower limit of detection);
7. Human immunodeficiency virus (HIV) infection or known acquired immunodeficiency syndrome (AIDS), or syphilis infection;
8. History of severe allergy to biological products (including antibiotics);
9. Allogeneic hematopoietic stem cell transplantation (allo-HSCT) patients with acute graft-versus-host reaction (GVHD) one month after immunosuppressant withdrawal;
10. Patients with other serious physical or mental illnesses or laboratory abnormalities that could increase the risk of participating in the study or interfere with the results of the study, and those who were deemed by the investigator to be unsuitable for participation in the study.

Where it's running

  • the Fifth Medical Center of Chinese People's Liberation Army General Hospital
    Beijing, Beijing Municipality, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.