- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00796562
Safety Study of Bone Marrow Transplant Using Mismatched Tissue Followed by Chemotherapy
A Phase II Trial of Myeloablative Conditioning and Transplantation of Partially HLA-mismatched Bone Marrow for Patients With Hematologic Malignancies
Study Overview
Status
Intervention / Treatment
Detailed Description
Allogeneic blood or marrow transplantation (alloBMT), following either marrow-ablative or nonmyeloablative conditioning, is a potentially curative treatment for a variety of hematologic malignancies and non-malignant hematologic disorders. Of all the potential sources of allografts, transplantation of stem cells from a human leukocyte antigen (HLA)-matched sibling has generally produced the best overall outcomes, i.e. overall and progression-free survival. Unfortunately, only about a third of candidates for alloBMT have HLA-matched siblings.
For patients who lack HLA-matched siblings, there are three alternative sources of stem cells for alloBMT: 1) volunteer unrelated donors; 2) umbilical cord blood; and 3) partially HLA-mismatched, or haploidentical, related donors. Since any patient shares exactly one HLA haplotype with each biological parent or child and half of siblings, an eligible haploidentical donor can be identified rapidly in nearly all cases. However, haploidentical BMT has been associated with significant risks of graft rejection and severe GVHD, which are manifestations of excessive alloreactivity by host and donor T cells, respectively.
The risk of severe GVHD may be reduced in intensively conditioned recipients of grafts that have been rigorously depleted of mature T cells or selectively depleted of alloreactive T cells, but the risks of serious infection and death from prolonged immune compromise in these patients remains high. Cyclophosphamide(Cy) is a highly immunosuppressive antineoplastic agent that has an established role in conditioning for alloBMT.
Typically, the drug is administered prior to transplantation to prevent graft rejection by suppressing the host immune system. However, pre-transplantation conditioning with Cy increases the risk of GVHD following allogeneic T cell infusion in mouse models. In contrast, administration of a properly timed, high dose of Cy after BMT inhibits both graft rejection and GVHD.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Maryland
-
Baltimore, Maryland, United States, 21231
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
-
Baltimore, Maryland, United States, 21231
- Sidney Kimmel Comprehensive Cancer Center
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Acute lymphocytic leukemia in high risk CR1
- Acute myeloid leukemia in CR1
- Therapy-related AML
- RAEB with >5% and <20% bone marrow blasts
- Chronic myelogenous leukemia beyond 1st chronic phase; Patients cannot be in blast crisis
- CMMoL
- JMML
- Chemotherapy-resistant Hodgkins Lymphoma or intermediate or high grade Non-Hodgkins lymphoma (Less than a PR after standard or salvage chemotherapy)
- Mantle cell lymphoma: chemotherapy refractory (Less than a PR after standard or salvage chemotherapy) or patients beyond CR1 with chemosensitive disease
- Follicular Lymphoma, Grade 3
- Transformed indolent lymphomas
Exclusion Criteria:
- Poor cardiac function: left ventricular ejection fraction <45% as determined by MUGA or ECHO. For pediatric patients LVEF <45% or a shortening fraction below normal limits for age.
- Poor pulmonary function: FEV1 and FVC <50% predicted for patients who have not received thoracic or mantle irradiation. For patients who have received thoracic or mantle irradiation, FEV1 and FVC <70% predicted or DLCO < 50 of predicted. For children unable to perform PFTs because of developmental stage pulse oximetry < 85% on RA
- Poor liver function: bilirubin >2 mg/dl (not due to hemolysis, Gilbert's or primary malignancy)
- Poor renal function: Creatinine >2.0mg/dl or creatinine clearance
- HIV-positive
- Positive leukocytotoxic crossmatch
- Women of childbearing potential who currently are pregnant or who are not practicing adequate contraception
- Uncontrolled viral, bacterial, or fungal infections Patients with symptoms consistent with RSV, influenza A, B, or parainfluenza at the time of enrollment will be assayed for the above viruses and if positive are not eligible for the trial until they are no longer symptomatic (patients may have continued assay positivity for a period of time post resolution of symptoms secondary to the nature of the assay.
- Indolent lymphomas (Follicular Grade 1 and 2, marginal zone, chronic lymphocytic leukemia, small lymphocytic lymphoma, MALT)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Myeloablative haploidentical BMT
|
Participant will receive Busulfan injections, 4 times a day for 4 days with dilantin prophylaxis (in patients 10 years of age or older).
Busulfan levels in the blood will be measured and dose adjusted, if needed.
Patient will receive Cy by IV once a day for 2 days.
Other Names:
Patients will receive TBI once a day for 4 days.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Engraftment as Measured by Donor Chimerism
Time Frame: Day 60
|
Percentage of participants who achieved donor chimerism >=95%.
|
Day 60
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Non-relapse Mortality
Time Frame: Day 100, 1 year
|
Number of participants deceased for reasons other than disease relapse or progression.
|
Day 100, 1 year
|
Acute GVHD
Time Frame: Day 100
|
Percentage of participants who experience grade II-IV or III-IV acute graft-versus-host-disease (GVHD) by Przepiorka criteria. The stages are defined as follows:
|
Day 100
|
Chronic GVHD
Time Frame: 6 months, 12 months
|
Percentage of participants who experience chronic GVHD.
Chronic GVHD is graded using NIH consensus criteria and Seattle criteria.
This outcome was estimated using proportional subdistribution hazard regression model for competing risks (Fine and Gray 1999)
|
6 months, 12 months
|
Survival
Time Frame: 1 year, 2 years, 3 years
|
Percentage of participants alive (overall survival) and alive without disease relapse, progression, or diagnosis of myeloid malignancy (event-free survival).
Estimated using Kaplan-Meier method.
|
1 year, 2 years, 3 years
|
Relapse
Time Frame: 1 year, 3 years
|
Percentage of participants who experienced disease progression or relapse.
This outcome was estimated using proportional subdistribution hazard regression model for competing risks (Fine and Gray 1999)
|
1 year, 3 years
|
Collaborators and Investigators
Investigators
- Principal Investigator: Heather Symons, M.D., Johns Hopkins University
Publications and helpful links
General Publications
- Fine J.P. and Gray, R.J. (1999), A proportional hazards model for the subdistribution of a competing risk, Journal of the American Statistical Association, 94:496-509.
- Symons HJ, Zahurak M, Cao Y, Chen A, Cooke K, Gamper C, Klein O, Llosa N, Zambidis ET, Ambinder R, Bolanos-Meade J, Borrello I, Brodsky R, DeZern A, Gojo I, Showel M, Swinnen L, Smith BD, Luznik L, Jones RJ, Fuchs EJ. Myeloablative haploidentical BMT with posttransplant cyclophosphamide for hematologic malignancies in children and adults. Blood Adv. 2020 Aug 25;4(16):3913-3925. doi: 10.1182/bloodadvances.2020001648.
Study record dates
Study Major Dates
Study Start (Actual)
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 (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Leukemia
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antirheumatic Agents
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Myeloablative Agonists
- Cyclophosphamide
- Busulfan
Other Study ID Numbers
- J0820
- NA_00015795 (Other Identifier: JHMIRB)
- KL2RR025006 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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