- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03559439
CD19-targeting CAR T Cells in Relapsed or Refractory CD19 Positive B-cell Malignancies
CD19-targeting CAR T Cell Therapy in the Treatment of Relapsed or Refractory CD19 Positive B-cell Malignancies
Study Overview
Status
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Anticipated)
Phase
- Phase 1
Contacts and Locations
Study Contact
- Name: Ligen Liu
- Phone Number: 18017337037
- Email: llg3532@shtrhospital.com
Study Locations
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Shanghai, China
- Recruiting
- Shanghai Tong Ren Hospital
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Contact:
- Ligen Liu
- Phone Number: 18017337037
- Email: llg3532@shtrhospital.com
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
CD19+ relapsed or refractory B cell malignancies:
Relapsed or refractory B acute lymphocytic leukemia.
- Relapse was defined as presence of > 5% blasts at screening, or second or subsequent bone marrow relapse, or any bone marrow relapse after allogeneic stem cell transplant and must be ≥ 6 months from stem cell transplant at the time of infusion.
- Refractory was defined by not achieving an initial complete response after 2 cycles of a standard chemotherapy regimen . Patients who were refractory to subsequent chemotherapy regimens after an initial remission were considered chemorefractory
Patients with Ph+ acute lymphocytic leukemia were eligible if they are intolerant to or have not achieved a remission after two lines of tyrosine kinase inhibitor therapy, or if tyrosine kinase inhibitor therapy is contraindicated, or ineligible for allogeneic stem cell transplant because of:
- Comorbid disease
- Other contraindications to allogeneic stem cell transplant conditioning regimen
- Lack of suitable donor
- Prior hematopoietic stem cell transplant
- Declined allogeneichematopoietic stem cell transplant as a therapeutic option
Relapsed or refractory non-Hodgkin's lymphoma
- Histopathological CD19+.
- No response to last line of therapy i. partial response as best response to most recent therapy regimen ii. partial response as best response to most recent therapy with duration no longer than 6 month from last dose of therapy
- Refractory post-Autologous stem cell transplant i. Disease progression or relapsed less than or equal to 12 months of Autologous stem cell transplant (must have biopsy proven recurrence in relapsed subjects) ii. If salvage therapy is given post-Autologous stem cell transplant, the subject must have had no response to or relapsed after the last line of therapy
- Subjects must have received adequate prior therapy including at a minimum: anti-CD20 monoclonal antibody unless investigator determines that tumor is CD20-negative and an anthracycline containing chemotherapy regimen for subjects with transformed follicular lymphoma must have received prior chemotherapy for follicular lymphoma and subsequently have chemorefractory disease after transformation to Diffuse large B-cell lymphoma
- At least one measurable lesion per revised IWG Response Criteria
- 18-75 years old
- Expected survival ≥ 12 weeks
Adequate renal, hepatic, pulmonary and cardiac function defined as:
- Creatinine clearance (as estimated by Cockcroft Gault) > 60 mL/min
- Serum ALT/AST <2.5 ULN
- Total bilirubin <1.5 mg/dl, except in subjects with Gilbert's syndrome
- Cardiac ejection fraction >50%, no evidence of pericardial effusion as determined by an echocardiogram, and no clinically significant pleural effusion
- Baseline oxygen saturation >92% on room air
- Eastern cooperative oncology group (ECOG) performance status of 0 - 2
- Pregnant or lactating women must have a negative pregnancy test before infusion, and agree to take effective contraception during the trial
- Apheresis product received and accepted
- Written informed consent
Exclusion Criteria:
- Isolated extra-medullary relapse leukemia
- Other malignancies
- Concomitant genetic syndrome, with the exception of Down Syndrome
- Burkitt's lymphoma/leukemia
- Treatment with any prior gene therapy product, anti-CD19/anti-CD3 therapy, or any other anti-CD19 therapy
- Active hepatitis B, C, or any uncontrolled infection
- Grade 2 to 4 Graft versus Host Disease (GVHD)
Medications or treatments that were to be excluded:
- Corticosteroids within 72 hours of infusion, with the exception of physiologic replacement
- Allogeneic cellular therapy, such as donor lymphocyte infusion within 6 weeks prior to infusion
- Graft versus Host Disease therapies
- Chemotherapy stopped prior to lymphodepletion based on clearance
- central nervous system prophylaxis treatment
- Active central nervous system disease (central nervous system 2 disease [Cerebral spinal fluid containing blasts, but < 5 WBCs/microliter] patients were eligible)
- Any condition that investigator considered may increase the risk of the subjects or interfere with the trial results
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: CD19 CAR T
CD19 CAR T cells transduced with a lentiviral vector to express anti-CD19 scFv CD3z:CD28 administered by IV infusion.
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CD19 CAR T cells transduced with a lentiviral vector to express anti-CD19 scFv CD3z:CD28 administered by IV infusion.
Subjects will receive 0.1-10 x 10^6 transduced CAR T cells as a split dose over three days as follows:Day 1, 10% fraction, Day 2, 30% fraction, Day 3, 60% fraction.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Frequency and severity of toxicities and adverse events
Time Frame: 24 weeks
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To assess the frequency and severity of toxicities and adverse events according to NCI CTC v4.0
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24 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
overall response rate
Time Frame: 24 week
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To assess the overall response rate after CD19 CAR T infusion in R/R B cell malignancies
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24 week
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overall survival
Time Frame: 24 week
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To assess the overall survival in patients with R/R B cell malignancies
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24 week
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Ligen Liu, Shanghai Tong Ren Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PTA001
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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