Selective Depletion of CD45RA+ T Cells From Allogeneic Peripheral Blood Stem Cell Grafts in Preventing GVHD in Children
A Phase II Study of Selective Depletion of CD45RA+ T Cells From Allogeneic Peripheral Blood Stem Cell Grafts for the Prevention of GVHD in Children
7 other identifiers
interventional
20
1 country
1
Brief Summary
This phase II trial studies how well T cell depleted donor peripheral blood stem cell transplant works in preventing graft-versus-host disease in younger patients with high risk hematologic malignancies. Giving chemotherapy and total-body irradiation before a donor peripheral blood stem cell transplant helps stop the growth of cancer cells. It may also stop the patient's immune system from rejecting the donor's stem cells. When the healthy stem cells from a donor are infused into the patient they may help the patient's bone marrow make stem cells, red blood cells, white blood cells, and platelets. Sometimes the transplanted cells from a donor can make an immune response against the body's normal cells. Removing a subset of the T cells from the donor cells before transplant may stop this from happening.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Apr 2014
Longer than P75 for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
May 15, 2013
CompletedFirst Posted
Study publicly available on registry
May 21, 2013
CompletedStudy Start
First participant enrolled
April 10, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 30, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
July 30, 2023
CompletedResults Posted
Study results publicly available
March 12, 2024
CompletedMarch 12, 2024
March 1, 2024
8.8 years
May 15, 2013
January 24, 2024
March 8, 2024
Conditions
Outcome Measures
Primary Outcomes (2)
Graft Failure
Graft failure defined as failure to reach ANC of \>500/uL for 3 consecutive days by day 28, or irreversible decrease in ANC to \<100 after an established donor graft. A reduction in ANC as result of relapse is not considered graft failure
Up to 5 years
Time to Discontinuation of Systemic Immunosuppression
Measure the number of days to discontinuation of systemic immunosuppression (both including and excluding calcineurin inhibitors) in pediatric recipients of CD45RA+ T cell-depleted PBSCT. Possible outcomes range from no systemic immunosuppression (best outcome) to 5 years on immunosuppression (poor outcome)
5 years post transplant
Secondary Outcomes (11)
Time to Platelet Count > 50,000/uL for 3 Days Without Transfusion
Up to 5 years
Time to Platelet Count > 20,000/uL for 3 Days Without Transfusion
Up to 5 years
Time to ANC of > 1,000/uL
Up to 5 years
Time to ANC of > 500/uL
Up to 5 years
Occurrence of Chronic GHVD Meeting NIH Criteria and Requiring Systemic Pharmacological Immunosuppression
Up to 5 years
- +6 more secondary outcomes
Study Arms (1)
Treatment (CD45RA+ T cell depleted PBSCT)
EXPERIMENTALCONDITIONING REGIMEN: Patients undergo TBI BID on days -10 to -7, receive thiotepa IV over 4 hours on days -6 and -5 and fludarabine phosphate IV over 30 minutes on days -6 to -2. TRANSPLANT: Patients undergo CD34+ enriched, CD45RA+ T cell-depleted allogeneic PBSCT on day 0. POST-TRANSPLANT IMMUNOSUPPRESSION: Patients receive tacrolimus IV continuously or PO every 12 hours beginning on day -1 and continuing through day 50 with taper. Patients also receive methotrexate IV on days 1, 3, 6, and 11.
Interventions
Undergo CD45RA+ T cell-depleted allogeneic peripheral blood stem cell transplant
Given IV
Given IV
Undergo CD45RA+ T cell-depleted allogeneic peripheral blood stem cell transplant
Undergo CD45RA+ T cell-depleted allogeneic peripheral blood stem cell transplant
Given IV or PO
Given IV
Undergo TBI
Eligibility Criteria
You may qualify if:
- Patients who are considered appropriate candidates for allogeneic hematopoietic stem cell transplantation and have one of the following diagnoses:
- Acute lymphocytic leukemia in first or subsequent remission
- Acute myeloid leukemia in first or subsequent remission
- Acute lymphocytic leukemia in relapse or primary refractory disease with a circulating blast count of no more than 10,000/mm\^3
- Acute myeloid leukemia in relapse or primary refractory disease with a circulating blast count of no more than 10,000/mm\^3
- Refractory anemia with excess blasts (RAEB-1 and RAEB-2)
- Chronic myelogenous leukemia with a history of accelerated phase or blast crisis
- Other acute leukemia (including but not limited to 'biphenotypic', 'undifferentiated' or 'ambiguous lineage' acute leukemia)
- Patient with a human leukocyte antigen (HLA)-identical (HLA-A, B, C, and ribonucleic acid \[RNA\] binding motif protein 45 \[DRB1\] molecularly matched) unrelated donor or related donor capable of donating PBSC
- DONOR: HLA-matched unrelated donors (HLA-A, B, C, and DRB1 matched based on high-resolution typing) capable and willing to donate PBSC
- DONOR: HLA-matched related donors \>= 18 years and capable and willing to donate PBSC
You may not qualify if:
- Patients with central nervous system (CNS) involvement refractory to intrathecal chemotherapy and/or standard cranial-spinal radiation
- Patients on other experimental protocols for prevention of acute GVHD
- Patients who weigh \>= 70 kg must be discussed with the principal investigator prior to enrolling on the protocol
- Patients who are human immunodeficiency virus positive (HIV+)
- Patients with uncontrolled infections for whom myeloablative hematopoietic stem cell transplant (HCT) is considered contraindicated by the consulting infectious disease physician (upper respiratory tract viral infection does not constitute an uncontrolled infection in this context)
- Creatinine \> 1.5 mg/dl
- Cardiac ejection fraction \< 45%
- Patients who can perform pulmonary function tests will be excluded if they have a diffusing capacity of the lung for carbon monoxide (DLCO) (corrected for hemoglobin) of \< 60% predicted; patients who are unable to perform pulmonary function tests (for example, due to young age and/or developmental status) will be excluded if the oxygen (O2) saturation is \< 92% on room air
- Patients who have liver function test (LFTs) (including total bilirubin, aspartate aminotransferase \[AST\] and alanine aminotransferase \[ALT\]) \>= twice the upper limit of normal should be evaluated by a gastrointestinal (GI) physician unless there is a clear precipitating factor (such as an azole, methotrexate, Bactrim or another drug); if the GI physician considers that HCT on protocol 2660 is contraindicated for that patient the patient will be excluded from the protocol; patients with Gilbert's syndrome and no other known liver function abnormality and patients with reversible drug-related transaminitis do not necessarily require GI consultation and may be included on the protocol
- Patients with a life expectancy \< 3 months from co-existing disease other than the leukemia or RAEB
- Patients who are pregnant or breast-feeding
- Fertile patients of child bearing age unwilling to use contraception during and for 12 months post-transplant
- Patients with a significant other medical conditions that would make them unsuitable for transplant
- Patients with a known hypersensitivity to tacrolimus
- DONOR: Donors who are HIV-1, HIV-2, human T-lymphotropic virus (HTLV)-1, HTLV-2 seropositive or with active hepatitis B or hepatitis C virus infection
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Fred Hutchinson Cancer Centerlead
- National Cancer Institute (NCI)collaborator
- National Heart, Lung, and Blood Institute (NHLBI)collaborator
Study Sites (1)
Fred Hutch/University of Washington Cancer Consortium
Seattle, Washington, 98109, United States
Related Publications (1)
Bleakley M, Sehgal A, Seropian S, Biernacki MA, Krakow EF, Dahlberg A, Persinger H, Hilzinger B, Martin PJ, Carpenter PA, Flowers ME, Voutsinas J, Gooley TA, Loeb K, Wood BL, Heimfeld S, Riddell SR, Shlomchik WD. Naive T-Cell Depletion to Prevent Chronic Graft-Versus-Host Disease. J Clin Oncol. 2022 Apr 10;40(11):1174-1185. doi: 10.1200/JCO.21.01755. Epub 2022 Jan 10.
PMID: 35007144DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Marie Bleakley, MD
- Organization
- Fred Hutchinson Cancer Center
Study Officials
- PRINCIPAL INVESTIGATOR
Marie Bleakley
Fred Hutch/University of Washington Cancer Consortium
Publication Agreements
- PI is Sponsor Employee
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
May 15, 2013
First Posted
May 21, 2013
Study Start
April 10, 2014
Primary Completion
January 30, 2023
Study Completion
July 30, 2023
Last Updated
March 12, 2024
Results First Posted
March 12, 2024
Record last verified: 2024-03