NCT04648475RecruitingPhase 1
CD19 and CD22 Targeted CAR-T Cell Therapy for Relapsed/Refractory B Cell Leukemia and Lymphoma
Chongqing Precision Biotech Co., Ltd1 site in 1 country40 target enrollmentStarted: August 25, 2020Last updated:
Conditions
Trial Snapshot
- Phase
- Phase 1
- Status
- Recruiting
- Sponsor
- Enrollment
- 40
- Locations
- 1
- Primary Endpoint
- The response rate of CD19 and CD22 CAR-T treatment in patients with relapse/refractory B Cell Leukemia and Lymphoma
Study Overview
Brief Summary
This is a single arm study to evaluate the efficacy and safety of CD19 and CD22 targeted CAR-T cells therapy for patients with relapsed/refractory B Cell Leukemia and Lymphoma.
Detailed Description
Although the CD19 targeted CAR-T cell therapies have gained significant results in patients with relapsed and refractory B-cell Leukemia and Lymphoma. There are patients who resisted anti-CD19 CAR-T cells or with CD19 negative relapse. To make further improvement, We launch such a clinical trial using CD19 and CD22 targeted CAR-T cells for patients with relapsed and refractory B Cell Leukemia and Lymphoma to evaluate the efficacy and safety of CD19 and CD22 targeted CAR-T cell therapy.
Study Design
- Study Type
- Interventional
- Allocation
- Na
- Intervention Model
- Single Group
- Primary Purpose
- Treatment
- Masking
- None
Eligibility Criteria
- Ages
- 3 Years to 75 Years (Child, Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Signed written informed consent;
- •Diagnose as relapsed /refractory B Cell Leukemia and Lymphoma, and meet one of the following conditions:
- •Failed to standard chemotherapy regimens;
- •Relapse after complete remission, high-risk and / or refractory patients ;
- •Relapse after hematopoietic stem cell transplantation;
- •For patients with Ph + ALL, the following conditions must be met: those who have received a standard induction chemotherapy regimen and who have not achieved complete remission after TKI treatment or have relapsed after remission (cannot tolerate TKI treatment or have contraindications to TKI treatment or the presence of TKI class) Except for drug resistant patients)；
- •Evidence for cell membrane CD19 and CD22 expression;
- •All genders, ages: 3 to 75 years；
- •The expect time of survive is above 12 weeks;
- •No serious mental disorders ;
- •Left ventricular ejection fraction ≥50%
- •Sufficient hepatic function defined by ALT/AST≤3 x ULN and bilirubin≤2 x ULN;
- •Sufficient renal function defined by creatinine clearance≤2 x ULN;
- •Sufficient pulmonary function defined by indoor oxygen saturation≥92%;
- •With single or venous blood collection standards, and no other cell collection contraindications;
- •Ability and willingness to adhere to the study visit schedule and all protocol requirements.
Exclusion Criteria
- •Have received CAR-T therapy or other genetically modified cell therapy before screening；
- •Participated in other clinical research within 1 month before screening；
- •Have received the following anti-tumor treatment before screening: Have received chemotherapy, targeted therapy or other experimental drug treatment within 4 weeks, except those who have confirmed disease progression after treatment;
- •Live attenuated vaccine within 4 weeks before screening;
- •Convulsion or stoke within past 6 months;
- •Previous history of other malignancy;
- •Presence of uncontrolled active infection;
- •Subjects with positive HBsAg or HBcAb positive and peripheral blood HBV DNA titer is higher than the lower limit of detection of the research institution; HCV antibody positive and peripheral blood HCV RNA titer is higher than the lower limit of detection of the research institution; HIV antibody positive; syphilis primary screening antibody positive;
- •Pregnant or breasting-feeding women;
- •Any situation that investigators regard not suitable for attending in this study or may affect the data analysis.
Outcomes
Primary Outcomes
The response rate of CD19 and CD22 CAR-T treatment in patients with relapse/refractory B Cell Leukemia and Lymphoma
Time Frame: 6 months
The response rate of CD19 and CD22 CAR-T treatment will be recorded and assessed according to the National Comprehensive Cancer Network Guideline.
Adverse events that related to treatment
Time Frame: 2 years
Therapy-related adverse events will be recorded and assessed according to the National Cancer Institute's Common Terminology Criteria for Adverse Events (CTCAE, Version 5.0).
Secondary Outcomes
- Quantity of CD19 and CD22 CAR copies in bone marrow and peripheral blood(2 years)
- Cellular kinetics of CD19 and CD22 positive cells in Bone marrow(1 years)
- Levels of TNF-α in Serum(3 months)
- Levels of CRP in Serum(3 months)
- Levels of IL-10 in Serum(3 months)
- Rate of CD19 and CD22 CAR-T cells in bone marrow and peripheral blood(2 years)
- Levels of IL-6 in Serum(3 months)
- Duration of Response (DOR) of CD19 and CD22 CAR-T treatment in patients with refractory/relapsed B Cell Leukemia and Lymphoma(2 years)
- Progress-free survival(PFS) of CD19 and CD22 CAR-T treatment in patients with refractory/relapsed B Cell Leukemia and Lymphoma(2 years)
- Overall survival(OS) of CD19 and CD22 CAR-T treatment in patients with refractory/relapsed B Cell Leukemia and Lymphoma(2 years)
Investigators
Study Sites (1)
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