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About
RATIONALE: Giving low doses of chemotherapy, monoclonal antibodies, and radiation therapy 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. The donated stem cells may replace the patient's immune cells and help destroy any remaining cancer cells (graft-versus-tumor effect). Sometimes the transplanted cells from a donor can also make an immune response against the body's normal cells. Giving tacrolimus, sirolimus, and antithymocyte globulin before and after transplant may stop this from happening.
PURPOSE: This phase II trial is studying the side effects of giving sirolimus together with tacrolimus and antithymocyte globulin and to see how well it works in preventing graft-versus-host disease in patients with hematologic cancer who are undergoing donor stem cell transplant.
Full description
OBJECTIVES:
Primary
Secondary
OUTLINE:
Conditioning regimen: Patients receive 1 of 6 conditioning regimens (standard of care treatment) between days -9 and -3, based on diagnosis and the treating physician's preference regarding regimen intensity.
Allogeneic peripheral blood stem cell transplantation: Patients undergo filgrastim (G-CSF)-mobilized allogeneic peripheral blood stem cell transplantation on day 0.
Graft-versus-host disease prophylaxis (GVHD): Patients receive tacrolimus IV continuously over 24 hours or orally and sirolimus orally beginning on day -3 and continuing until day 30 or day 90, followed by a taper in the absence of GVHD. Patients also receive anti-thymocyte globulin IV over 4-8 hours on days -3 to -1.
Blood samples are obtained at baseline and periodically during study for correlative biomarker studies. Samples are analyzed by T-cell immunophenotyping, absolute subset number quantification, and multi-parameter flow cytometry for evaluation of immune reconstitution, T-cell differentiation status, NK-cell recovery, allo-reactivity of donor T-cells after transplantation, and regulatory T-cell reconstitution.
After completion of study therapy, patients are followed periodically for up to 2 years.
Enrollment
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Inclusion and exclusion criteria
DISEASE CHARACTERISTICS:
Diagnosis of a hematological malignancy, including any of the following:
Non-Hodgkin lymphoma in complete remission (CR) or partial remission (PR)
Hodgkin lymphoma in CR or PR
Acute myeloid leukemia (AML) or acute lymphoblastic leukemia (ALL) meeting either of the following criteria:
In CR
Not in CR and meets the following criteria:
Myelodysplastic syndromes, treated or untreated
Chronic myeloid leukemia in chronic phase or accelerated phase
Multiple myeloma in CR or PR
Chronic lymphocytic leukemia in second or greater CR or PR
Myelofibrosis or other myeloproliferative disorders meeting the following criteria:
No prior bone marrow or ex vivo engineered or processed graft (i.e., CD34+ enrichment, T-cell depletion, etc)
Scheduled to undergo peripheral blood stem cell transplantation from a suitable HLA-matched or -mismatched unrelated donor, as determined by treating physician
No documented uncontrolled CNS disease
PATIENT CHARACTERISTICS:
ECOG performance status (PS) 0-2
Karnofsky PS 60-100%
Creatinine clearance > 50 mL/min
Bilirubin < 3 times upper limit of normal (ULN)
ALT and AST < 3 times ULN
LVEF > 50%
FVC, FEV_1, or DLCO > 50% predicted
Able to cooperate with oral medication intake
HIV negative
No active hepatitis B or hepatitis C
No known contraindication to sirolimus, tacrolimus, or anti-thymocyte globulin
PRIOR CONCURRENT THERAPY:
Primary purpose
Allocation
Interventional model
Masking
48 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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