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Recruiting Phase 2 NCT06815003

NCT06815003 Vedolizumab Plus Post-transplant Cyclophosphamide and Short Course Tacrolimus for the Prevention of Graft Versus Host Disease in Patients Undergoing Allogeneic Hematopoietic Cell Transplantation After Reduced Intensity Conditioning

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Clinical Trial Summary
NCT ID NCT06815003
Status Recruiting
Phase Phase 2
Sponsor City of Hope Medical Center
Condition Acute Lymphoblastic Leukemia
Study Type INTERVENTIONAL
Enrollment 35 participants
Start Date 2025-04-18
Primary Completion 2028-10-15

Trial Parameters

Condition Acute Lymphoblastic Leukemia
Sponsor City of Hope Medical Center
Study Type INTERVENTIONAL
Phase Phase 2
Enrollment 35
Sex ALL
Min Age 18 Years
Max Age 80 Years
Start Date 2025-04-18
Completion 2028-10-15
Interventions
Allogeneic Hematopoietic Stem Cell TransplantationBiospecimen CollectionBone Marrow Biopsy

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Brief Summary

This phase II trial studies how well vedolizumab plus post-transplant cyclophosphamide (PTCy) and short course tacrolimus work for the prevention of graft versus host disease (GVHD) in patients undergoing allogeneic hematopoietic cell transplantation (HCT) after reduced intensity conditioning. Allogeneic HCT is a procedure in which a person receives blood-forming stem cells (cells from which all blood cells develop) from a donor. Giving reduced conditioning chemotherapy before an allogeneic HCT helps kill cancer cells in the body and helps make room in the patient's bone marrow for new stem cells to grow using less than standard doses of chemotherapy. Sometimes, the transplanted cells from a donor can attack the body's normal cells (called graft-versus-host disease). Vedolizumab is a monoclonal antibody, which is a type of protein that can bind to certain targets in the body, such as molecules that cause the body to make an immune response (antigens). It may reduce inflammation. Cyclophosphamide is in a class of medications called alkylating agents. It works by damaging the cell's deoxyribonucleic acid and may kill cancer cells. It may also lower the body's immune response. Tacrolimus suppresses the immune system by preventing the activation of certain types of immune cells. Giving vedolizumab plus PTCy and short course tacrolimus may be effective at preventing GVHD after allogeneic HCT.

Eligibility Criteria

Inclusion Criteria: * Documented informed consent of the participant and/or legally authorized representative * Assent, when appropriate, will be obtained per institutional guidelines * Agreement to allow the use of archival tissue from diagnostic tumor biopsies * If unavailable, exceptions may be granted with study principal investigator (PI) approval * Age: ≥ 18 and ≤ 80 years old * Note: Patients \> 70 years of age must have Karnofsky performance status ≥ 80 and hematopoietic cell transplantation-comorbidity index (HCT-CI) ≤ 2 * Karnofsky performance status ≥ 70% * Patients with the following diagnosis, eligible to undergo allogeneic HCT from an 8/8 match related/unrelated donor (A, B, C, DR by high resolution typing) * Acute Leukemias (acute myeloid leukemia \[AML\] or acute lymphoblastic leukemia \[ALL\]) in complete remission with bone marrow (BM) blast of \< 5% * Myelodysplastic syndrome (blast \< 10%) * Myeloproliferative neoplasm (MPN) other than myelofibrosis (MF) needing HCT

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