- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04571138
A Pediatric and Young Adult Trial of Genetically Modified T Cells Directed Against CD22 for Relapsed/Refractory Leukemia or Lymphoma
April 6, 2024 updated by: Colleen Annesley, Seattle Children's Hospital
Pediatric and Young Adult Leukemia Adoptive Therapy (PLAT)-07: A Phase 1/2 Study of CD22-Specific CAR T Cells for CD22+ Leukemia or Lymphoma
Patients with relapsed or refractory leukemia or lymphoma are often refractory to further chemotherapy.
In this study, the investigators will attempt to use T cells obtained directly from the patient, which can be genetically engineered to express a chimeric antigen receptor (CAR).
The CAR used in this study can recognize CD22, a protein expressed on the surface of leukemia and lymphoma cells.
The phase 1 part of this study will determine the safety and appropriate dose level of these CAR T cells, and the phase 2 part of the study will determine how effective this CAR T cell therapy is.
Both patients who have never had prior CAR T cell therapy and those who have had prior CAR T cell therapy may be eligible to participate in this study.
Study Overview
Study Type
Interventional
Enrollment (Estimated)
42
Phase
- Phase 2
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Corinne Summers, MD
- Phone Number: 206-987-2106
- Email: CBDCIntake@seattlechildrens.org
Study Locations
-
-
California
-
Los Angeles, California, United States, 90027
- Recruiting
- Children's Hospital Los Angeles
-
Contact:
- Lee Chen
-
Principal Investigator:
- Emily Hsieh, MD
-
-
District of Columbia
-
Washington, District of Columbia, United States, 20010
- Withdrawn
- Children's National Hospital
-
-
Indiana
-
Indianapolis, Indiana, United States, 46202
- Recruiting
- Riley Hospital for Children
-
Contact:
- Jodi Skiles, MD
-
Principal Investigator:
- Jodi Skiles, MD
-
-
Texas
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Houston, Texas, United States, 77030
- Recruiting
- Texas Children's Hospital
-
Contact:
- Rayne Rouce, MD
-
Principal Investigator:
- Rayne Rouce, MD
-
-
Washington
-
Seattle, Washington, United States, 98105
- Recruiting
- Seattle Children's Hospital
-
Contact:
- Corinne Summers, MD
- Phone Number: 206-987-2106
- Email: CBDCIntake@seattlechildrens.org
-
Principal Investigator:
- Corinne Summers, MD
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
No older than 30 years (Child, Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Male and female subjects aged ≤ 30 years. First 2 enrolled subjects: age ≥ 18 and ≤ 30 years
- Evidence of refractory or recurrent CD22+ leukemia or lymphoma
- Able to tolerate apheresis, or subject with sufficient existing apheresis product or T cells for manufacturing investigational product.
- Life expectancy ≥ 8 weeks
- Lansky or Karnofsky, as applicable, score ≥ 50
- Recovered from acute toxic effects of all prior chemotherapy, immunotherapy, and radiotherapy, if the subject does not have a previously obtained apheresis product that is acceptable and available for manufacturing of CAR T cells
- ≥ 7 days post last chemotherapy and biologic therapy, with the exception of intrathecal chemotherapy and maintenance chemotherapy
- ≥ 7 days post last corticosteroid therapy
- ≥ 3 days post Tyrosine Kinase Inhibitor (TKI) use
- ≥ 1 day post hydroxyurea
- 30 days post most recent CAR T cell infusion
- Adequate organ function
- Adequate laboratory values, including absolute lymphocyte count ≥ 100 cells/uL
- Subjects of childbearing or child-fathering potential must agree to use highly effective contraception from consent through 12 months following infusion of investigational product on trial
- Subject and/or legally authorized representative has signed the informed consent form for this study
Exclusion Criteria:
- Presence of active malignancy other than disease under study
- History of symptomatic CNS pathology or ongoing symptomatic CNS pathology
- CNS involvement of leukemia or lymphoma that is symptomatic and in the opinion of the investigator, cannot be controlled during the interval between enrollment and CAR T cell infusion
- Subjects with uniform expression of CD19 on their malignant cells who are eligible but have not attempted CD19 directed CAR T cell therapy
- For subjects having had a previous stem cell transplant: presence of active GVHD, or receiving immunosuppressive therapy for treatment or prevention of GVHD within 4 weeks prior to enrollment
- Presence of active severe infection,
- Presence of primary immunodeficiency syndrome
- Subject has received prior virotherapy
- Pregnant or breastfeeding
- Subject and/or legally authorized representative unwilling to provide consent/assent for participation in the 15-year follow-up period, required if CAR T cell therapy is administered
- Presence of any condition that, in the opinion of the investigator, would prohibit the subject from undergoing treatment under this protocol
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
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: SCRI-CAR22v2
Patients will receive SCRI-CAR22v2 in either Phase I or Phase II
|
Single infusion of SCRI-CAR22v2
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
he adverse events associated with CAR T cell product infusions will be assessed
Time Frame: 28 days post-infusion
|
The type, frequency, severity, and duration of adverse events will be summarized
|
28 days post-infusion
|
The ability to successfully manufacture SCRI-CAR22v2
Time Frame: 28 days
|
We will measure the number of successfully manufactured SCRI-CAR22v2 products
|
28 days
|
The leukemia response to SCRI-CAR22v2 in subjects with relapsed or refractory CD22+ leukemia will be assessed
Time Frame: 28 days post-infusion
|
The efficacy of the T cell infusion will be estimated based on the number of participants who have an MRD negative bone marrow aspirate following the T cell infusion
|
28 days post-infusion
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Study Chair: Corinne Summers, MD, Seattle Children's Hospital
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
September 25, 2020
Primary Completion (Estimated)
June 1, 2025
Study Completion (Estimated)
February 1, 2040
Study Registration Dates
First Submitted
September 2, 2020
First Submitted That Met QC Criteria
September 25, 2020
First Posted (Actual)
September 30, 2020
Study Record Updates
Last Update Posted (Actual)
April 9, 2024
Last Update Submitted That Met QC Criteria
April 6, 2024
Last Verified
April 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- PLAT-07
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Yes
Studies a U.S. FDA-regulated device product
No
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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