- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04249830
Stem Cell Transplant From Donors After Alpha Beta Cell Depletion in Children and Young Adults
April 17, 2024 updated by: Alice Bertaina
Allogeneic Hematopoietic Stem Cell Transplantation From an HLA-partially Matched Related or Unrelated Donor After TCR αβ+T Cells/CD19+ B Cell Depletion in Children and Young Adults Affected by Malignant or Non-Malignant Hematological Disorders
The purpose of the CliniMACS® TCRαβ-Biotin System and CliniMACS® CD19 is to improve the safety and efficacy of allogeneic HLA-partially matched related or unrelated donors HSCT when no matched donors are available, to treat malignant and nonmalignant disorders for which HSCT is the recommended best available therapy.
Initially this device will be used in a single-center, open-label, single-arm, phase II clinical trial to evaluate the efficacy of haploidentical PBSC grafts depleted of TCRα/β+ and CD19+ cells using the CliniMACS® TCRαβ/CD19 System in children and adults with hematological and non-hematological malignancies.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
154
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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California
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Palo Alto, California, United States, 94306
- Recruiting
- Lucile Packard Children's Hospital
-
Contact:
- SCGT Clinical Trials Program
- Phone Number: 650-497-2447
- Email: DL-SCTIntakeCoordinators@stanfordchildrens.org
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Sub-Investigator:
- David Shyr, 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
1 month to 60 years (Child, Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Age < 60 years and > 1 month;
- Life expectancy > 10 weeks;
- Patients deemed eligible for allogeneic HSCT per institutional guidelines;
- Patients with life-threatening hematological malignancies and non-malignant disorders that could benfit from HSCT;
- A minimum genotypic identical match of 5/10 is required;
- The donor and recipient must be identical, as determined by high resolution typing, in at least one allele of each of the following genetic loci: HLA-A, HLA-B, HLA-Cw, and HLA-DRB1;
- Lansky/Karnofsky score > 50;
- Signed written informed consent;
- Male and female subjects of childbearing potential must agree to use an effective means of birth control to avoid pregnancy throughout the transplant procedure, while on immunosuppression, and if the subject experiences any chronic GvHD.
Exclusion Criteria:
- Pregnant or lactating females;
- Greater than Grade II acute GvHD or severe, unmanaged chronic extensive GvHD due to a previous allograft at the time of inclusion;
- Dysfunction of liver (ALT/AST > 10 times upper normal value, or direct bilirubin > 3 times upper normal value), or unmanageable dysfunction of renal function;
- Severe cardiovascular disease (arrhythmias requiring chronic treatment, congestive heart failure or left ventricular ejection fraction < 30%);
- Current active infectious disease (including positive HIV serology or viral RNA);
- Serious concurrent uncontrolled medical disorders;
- Lack of patient's/parents'/guardian's informed consent;
- Any severe concurrent disease which, in the judgement of the sponsor-investigator, would place the patient at increased risk during participation in the study.
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: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Stem Cell Transplant -Malignant
The participant with a malignancy will undergo a stem cell transplant using donor cells that have been manipulated through an investigational device.
Participants will be followed for outcomes for two years.
|
The allogeneic stem cell transplant involves transferring the stem cells from a healthy person (donor) to the participant via infusion.
The CliniMACS™system can be used to selectively enrich or reduce specific cell populations based on the magnetic cell selection (MACS) technology developed by Miltenyi Biotec.
Cell mixtures can be separated in a magnetic field using one or more immunomagnetic- labeled antibodies specific for the cell types of interest (e.g.TCR αβ+ T cells and CD19+ B cells from HPC(A) products).
|
Experimental: Stem Cell Transplant - Non-Malignant
The participant with a non-malignant disease will undergo a stem cell transplant using donor cells that have been manipulated through an investigational device.
Participants will be followed for outcomes for two years.
|
The allogeneic stem cell transplant involves transferring the stem cells from a healthy person (donor) to the participant via infusion.
The CliniMACS™system can be used to selectively enrich or reduce specific cell populations based on the magnetic cell selection (MACS) technology developed by Miltenyi Biotec.
Cell mixtures can be separated in a magnetic field using one or more immunomagnetic- labeled antibodies specific for the cell types of interest (e.g.TCR αβ+ T cells and CD19+ B cells from HPC(A) products).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Number of participants with grade II-IV acute GvHD at day 100 after HSCT
Time Frame: Through Day 100 after HSCT
|
Through Day 100 after HSCT
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of participants with successful engraftment at day 42 after HSCT
Time Frame: Day 42 after HSCT
|
Day 42 after HSCT
|
|
Number of participants with grade III-IV acute GvHD at day 100 after HSCT
Time Frame: Through Day 100 after HSCT
|
Through Day 100 after HSCT
|
|
Number of participants with chronic GVHD at 1 year after HSCT
Time Frame: 1 year after HSCT
|
1 year after HSCT
|
|
Leukemia-free survival at 1 year after HSCT
Time Frame: 1 year after HSCT
|
Leukemia-free survival defined as the time of enrollment to disease relapse or death from any cause.
|
1 year after HSCT
|
Leukemia-free survival at 2 years after HSCT
Time Frame: 2 years after HSCT
|
Leukemia-free survival defined as the time of enrollment to disease relapse or death from any cause.
|
2 years after HSCT
|
Number of participants with secondary graft failure at 1 year after HSCT
Time Frame: 1 year after HSCT
|
1 year after HSCT
|
|
Number of participants with secondary graft failure at 2 years after HSCT
Time Frame: 2 years after HSCT
|
2 years after HSCT
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Alice Bertaina, MD, PhD, Associate Professor of Pediatrics, Stem Cell Transplantation
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)
February 1, 2020
Primary Completion (Estimated)
February 1, 2025
Study Completion (Estimated)
February 1, 2025
Study Registration Dates
First Submitted
January 29, 2020
First Submitted That Met QC Criteria
January 29, 2020
First Posted (Actual)
January 31, 2020
Study Record Updates
Last Update Posted (Actual)
April 19, 2024
Last Update Submitted That Met QC Criteria
April 17, 2024
Last Verified
April 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- IRB-53822
- BMT 361 - Alpha Beta IDE (Other Identifier: Stanford School of Medicine)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
Yes
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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