Myelodysplastic Syndrome Clinical Trial

T-cell Depleted Alternative Donor Transplantation

Summary

The primary purpose is to determine the ability of CD34+ selection and T cell depletion using the CliniMACS® device to prevent severe acute graft-versus-host disease (GVHD) in patients receiving a stem cell transplant from an alternative (unrelated and mismatched related) donor. The secondary objectives include evaluation of engraftment, immune recovery, and post-transplant infections.

Patients requiring stem cell transplants for either malignant (cancerous) or non-malignant disease will be included in the study. The recipients will be grouped into one of two groups based on whether the donor is mismatched related (Cohort A) or unrelated (Cohort B). The patient will receive a conditioning regimen including chemotherapy drugs and/or total body irradiation based on the disease for which the transplant is performed.

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Full Description

A major issue in alternative donor (mismatched related and unrelated donor transplantation is the development of graft-versus-host disease (GVHD). Several clinical trials have shown that the use of T-cell depleted peripheral blood stem cells (PBSC) reduces GVHD in alternative donor transplants. The purpose of this study is to determine the ability of CD34 positive selection and T cell depletion using the CliniMACS® Device as the only GVHD prophylaxis to prevent severe acute GVHD in recipients of an alternative donor PBSC transplant. Mismatched related donors will match at least 3 of 6 Human leukocyte antigens(HLA)(haplocompatible) and unrelated donors will match at least 6 out of 8 HLA antigens with the transplant recipient. The conditioning therapy including chemotherapy, anti-thymocyte globulin (ATG), +/- total body irradiation (TBI) will be based on the patient's diagnosis. The transplant recipient will be followed for 5 years after transplant for GVHD, engraftment, post-transplant infections, disease relapse, and overall survival. In addition, this study will serve as a platform for a companion study of therapy to accelerate immune recovery after transplant.

View Eligibility Criteria

Eligibility Criteria

Inclusion Criteria:

Age < 30 years
Patient must have a malignant or non-malignant disease that can benefit from alternative stem cell transplantation. Examples include acute and chronic leukemias, myelodysplastic syndrome, lymphoma, severe acquired and congenital cytopenias, white and red blood cell abnormalities, and immunodeficiencies.
Patients with acute lymphoblastic leukemia must be in morphological remission (< 5% blasts) at the time of transplant. Patients with acute non-lymphocytic leukemia will preferably be in morphologic remission but may be enrolled when aplastic after chemotherapy or with < 20% blasts. Patients with lymphoma must be in complete or close to complete remission (if residual adenopathy, PET scan must be negative or only have slight uptake, eg. SUV < 2).
Patients must lack a healthy HLA-identical related donor of at least one year of age.

Patient must have a mismatched related or an unrelated donor who is:

Able to receive G-CSF and undergo apheresis either through placement of catheters in antecubital veins or a temporary central venous catheter,
Healthy,
Willing,
For recipients of an unrelated donor transplant, recipient eligibility will be restricted as follows if in the judgment of the recipients' transplant physician, the recipient cannot receive a transplant with combined positive and negative fractions as described in Section 6.1.3.2 or an unmanipulated PBSC product.
Meets eligibility criteria for donors.
If only one mismatched related relative is available, an acceptable unrelated donor must be identified as a backup.
Patient or authorized guardian must sign informed consent for this study.

Exclusion Criteria:

Patient with an anticipated life expectancy of < 1 month
Active infectious hepatitis or CMV infection
HIV or HTLV-I/II infection
Serious infection (bacterial, fungal, viral) within the last 4 weeks
Cardiac ejection fraction < 45%; can be lower if patient is not in clinical cardiac failure and a reduced intensity conditioning regimen is used.
Creatinine clearance <60 mlmin1.72 m2; can be lower if a reduced intensity conditioning regimen is used.
Pulmonary diffusion capacity (adjusted for Hgb), FEV1, or FVC <60% of predicted or O2 sat < 94% if unable to perform PFTs; can be lower if a reduced intensity conditioning regimen is used.
Serum ALT > 3 x upper limit of normal (can be up to 5 x upper limit of normal if a reduced intensity conditioning regimen is used) or bilirubin > 2. The bilirubin criteria for sickle cell disease patients is direct bilirubin >2x upper limit of normal.
Performance score (Lansky/Karnofsky) < 50
Any condition that compromises compliance with the procedures of this protocol, as judged by the principal investigator.

Study is for people with:

Myelodysplastic Syndrome

Phase:

Phase 2

Estimated Enrollment:

53

Study ID:

NCT00968864

Recruitment Status:

Terminated

Sponsor:

Wake Forest University Health Sciences

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There is 1 Location for this study

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Levine Children's Hospital, Carolinas Medical Center
Charlotte North Carolina, 28204, United States

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Study is for people with:

Myelodysplastic Syndrome

Phase:

Phase 2

Estimated Enrollment:

53

Study ID:

NCT00968864

Recruitment Status:

Terminated

Sponsor:


Wake Forest University Health Sciences

How clear is this clinincal trial information?

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