- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00152139
Stem Cell Transplantation for Patients With Hematologic Malignancies
Hematopoietic Stem Cell Transplantation Using Matched Unrelated Donor Peripheral Blood or Bone Marrow for Patients With Hematologic Malignancies
Childhood leukemias which cannot be cured by chemotherapy alone may be effectively treated by allogeneic bone marrow transplantation. Moreover, for patients with chronic myelogenous leukemia (CML), allogeneic hematopoietic stem cell transplantation (HSCT) is the only proven curative modality of treatment. Patients who have received hematopoietic stem cells from an HLA matched sibling donor have proven to be less at risk for disease relapse and regimen related toxicity. However, about 70% of patients in need of HSCT do not have an HLA matched sibling donor. This necessitates the search for alternative donors, which may increase the risk of a poor outcome.
The nature of the hematopoietic stem cell graft has been implicated as a primary factor determining these outcomes. The standard stem cell graft has been unmanipulated bone marrow, but recently several advantages of T-lymphocyte depleted bone marrow and mobilized peripheral blood progenitor cells (PBPC) have been demonstrated. However, T-cell depletion may increase the risk of infectious complications and leukemic recurrence while an unmanipulated stem cell graft may increase the risk of graft vs. host disease (GVHD). A key element in long range strategies in improving outcomes for patients undergoing matched unrelated donor (MUD) HSCT is to provide the optimal graft.
The primary objective of this clinical trial is to estimate the incidence of acute GVHD in pediatric patients with hematologic malignancies who receive HSCT with an unmanipulated marrow graft. The results of this study can be used as the foundation for future trials related to engineering unrelated donor graft.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Secondary outcome evaluations for this clinical study include the following:
- To estimate the overall survival in patients with high risk hematological malignancies who receive a HSCT with an unmanipulated marrow graft or a peripheral blood stem cell graft
- To estimate disease-free survival and relapse rates
- To estimate the rates of chronic GvHD and graft failure
- To estimate the incidence of non-hematologic peri-transplant regimen-related toxicity and regimen-related mortality in the first 100 days after transplantation
- To estimate the time to neutrophil and platelet engraftment after transplantation
- To determine the degree of NK cell and T-cell immune reconstitution at 30 days and 100 days post-transplant
- To estimate the incidence of EBV reactivation or post-transplant lymphoproliferative disease (PTLPD)
- To determine the pharmacokinetics of anti-thymocyte globulin (rATG) in patients receiving allogeneic transplantation and the development of rATG antibodies
Originally this study began as a randomized comparison between unmanipulated bone marrow and T-cell depleted bone marrow utilizing the investigational CliniMACS selection system. The hypothesis to be tested at the time was that the incidence of severe acute GvHD was significantly reduced in children who received HSCT with a T-cell depleted bone marrow stem cell graft as compared to those receiving an unmanipulated graft. Approximately midway through the study the evidence indicated that although the incidence of severe acute GvHD with T-cell depletion was low, it was not significantly lower than the standard treatment of unmanipulated bone marrow. Therefore the study was amended to remove the T-cell depleted arm and continue accrual to one arm providing all patients with an unmanipulated bone marrow stem cell graft. The primary objective then being to determine if the true incidence of severe acute GvHD was below 15% as reported. The observational group receiving PBPC remained open for those patients whose donors or donor centers chose to provide PBPC in lieu of bone marrow. Only one such patient was assigned to this group; therefore, no valid conclusions can be formulated.
Intervention analysis was based on those patients who received an unmanipulated stem cell product only. For this study, the investigators had requested bone marrow for all study subjects. However, the final determination of the source of the hematopoietic stem cells, bone marrow or peripheral blood, was at the discretion of the donor and the donor center. Those participants who received a peripheral blood stem cell product were followed in the observational group only. All participants, whether recipients of a bone marrow or blood stem cell product, received the same preparative conditioning regimen
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
-
-
Tennessee
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Memphis, Tennessee, United States, 38105
- St. Jude Children's Research Hospital
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- All patients lacking an HLA identical sibling for whom an unrelated donor matched at 6/6 HLA loci is formally requested within about 3 months of search initiation
- Age greater than or equal to 24 months, but less than 21 years for new patients.
- Diagnosis of one of the following high risk hematological malignancies:
- Acute lymphoblastic leukemia (in second or subsequent remission or high risk in first remission)
- Acute myeloid leukemia (in relapse or remission)
- Secondary AML/MDS
- Chronic myeloid leukemia
- Juvenile myelomonocytic leukemia
- Myelodysplastic syndrome
- Paroxysmal nocturnal hemoglobinuria
- Non-Hodgkin's lymphoma (in second or subsequent remission)
Exclusion Criteria:
- Patients with symptomatic cardiac disease, or evidence of significant cardiac disease by echocardiogram, or cardiac shortening fraction below 25%
- Patients with renal creatinine clearance < 40ml/min/1.73m^2
- Patients with FVC < 40% predicted or pulse oximetry less than or equal to 92% on room air if unable to perform pulmonary function tests
- Patients with direct bilirubin > 3 mg/dl
- Patients with SGPT > 500 U/L
- Patients with a Karnofsky or Lansky performance score < 70
- Patients who have received a previous allogeneic stem cell transplant
- Patients with a known allergy to rabbit or murine products
- Patients with isolated extramedullary leukemic relapse, including isolated CNS or testicular recurrence
Study Plan
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 |
---|---|
Other: 1
|
An infusion of HLA matched unrelated bone marrow or peripheral blood stem cells.
Other Names:
Participants received a standard conditioning regimen consisting of total body irradiation, cyclophosphamide, thiotepa and ATG.
GVHD prophylaxis consisted of cyclosporine and Methotrexate.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
To estimate the occurrence of acute graft versus host disease in patients who have received an unmanipulated hematopoietic stem cell transplant from a matched unrelated donor
Time Frame: July 2005
|
July 2005
|
Collaborators and Investigators
Investigators
- Principal Investigator: Gregory Hale, M.D., St. Jude Children's Research Hospital
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Immune System Diseases
- Neoplasms by Histologic Type
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Neoplasms by Site
- Urologic Diseases
- Urological Manifestations
- Bone Marrow Diseases
- Hematologic Diseases
- Myeloproliferative Disorders
- Urination Disorders
- Anemia
- Myelodysplastic-Myeloproliferative Diseases
- Leukemia, Lymphoid
- Proteinuria
- Anemia, Hemolytic
- Neoplasms
- Myelodysplastic Syndromes
- Hematologic Neoplasms
- Leukemia
- Leukemia, Myeloid
- Leukemia, Myeloid, Acute
- Leukemia, Myelomonocytic, Juvenile
- Precursor Cell Lymphoblastic Leukemia-Lymphoma
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive
- Hemoglobinuria
- Hemoglobinuria, Paroxysmal
- Physiological Effects of Drugs
- Immunologic Factors
- Antibodies
Other Study ID Numbers
- MUDSCT
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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