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Bone Marrow Transplantation in Treating Patients With Acute Leukemia in First or Second Remission

2014-08-27 03:59:07 | BioPortfolio

Summary

RATIONALE: Drugs used in chemotherapy use different ways to stop cancer cells from dividing so they stop growing or die. Combining chemotherapy with bone marrow transplantation may allow the doctor to give higher doses of chemotherapy drugs and kill more cancer cells.

PURPOSE: Randomized phase III trial to compare the effectiveness of bone marrow transplantation using untreated or treated bone marrow in treating patients with acute leukemia in first or second remission.

Description

OBJECTIVES: I. Compare the efficacy of T-cell-depleted vs unmodified allogeneic marrow rescue with regard to disease-free survival, post-transplantation leukemic relapse rate, incidence and severity of graft-versus-host disease, quality of engraftment and hematopoietic reconstitution, and immunoreconstitution following transplantation in patients with acute leukemia in first or second remission.

OUTLINE: This is a randomized study. Patients are stratified according to disease (acute lymphocytic leukemia (ALL) vs acute myeloid leukemia (AML), and age (20 and under vs over 20). Patients are randomized to one of two treatment arms. Patients under age 5 are nonrandomly assigned to Arm I and those over age 55 are nonrandomly assigned to Arm II. Arm I: Patients receive total body radiotherapy on days -7 through -4 followed by cyclophosphamide IV on days -3 and -2. Patients undergo allogeneic bone marrow transplantation (ABMT) IV over 2-4 hours on day 0. Patients also receive standard graft vs host disease prophylaxis with cyclosporine and methotrexate. Arm II: Patients receive total body radiotherapy on days -9 through -6, thiotepa IV on days -5 and -4, and cyclophosphamide as in Arm I. Patients undergo T-cell depleted ABMT IV over 15 minutes on day 0. Patients over age 15 receiving bone marrow from female donors over age 30 or from male donors of any age also receive graft rejection prophylaxis consisting of antithymocyte globulin IV over 6-8 hours on days -5 and -4 and oral methylprednisolone twice daily on days -5 and -4. Beginning 2 months following transplantation, adult patients with AML and a prior history of CNS disease, all adult patients with ALL, and all pediatric patients (ALL and ANLL) receive CNS leukemia prophylaxis with cytarabine intrathecally with the diagnostic lumbar puncture and then monthly for 5 months (1 year in patients with a prior history of CNS leukemia).

PROJECTED ACCRUAL: A total of 128 patients will be randomized. At an anticipated accrual rate of 35 patients/year, accrual is expected to be completed in 4 years.

Study Design

Primary Purpose: Treatment

Conditions

Leukemia

Intervention

anti-thymocyte globulin, cyclophosphamide, cytarabine, methylprednisolone, thiotepa, allogeneic bone marrow transplantation, in vitro-treated bone marrow transplantation, low-LET electron therapy, low-LET photon therapy

Location

Memorial Sloan-Kettering Cancer Center
New York
New York
United States
10021

Status

Completed

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:59:07-0400

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Medical and Biotech [MESH] Definitions

A water-soluble ester of METHYLPREDNISOLONE used for cardiac, allergic, and hypoxic emergencies.

A very toxic alkylating antineoplastic agent also used as an insect sterilant. It causes skin, gastrointestinal, CNS, and bone marrow damage. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), thiotepa may reasonably be anticipated to be a carcinogen (Merck Index, 11th ed).

A PREDNISOLONE derivative with similar anti-inflammatory action.

Congener of CYTARABINE that is metabolized to cytarabine and thereby maintains a more constant antineoplastic action.

A pyrimidine nucleoside analog that is used mainly in the treatment of leukemia, especially acute non-lymphoblastic leukemia. Cytarabine is an antimetabolite antineoplastic agent that inhibits the synthesis of DNA. Its actions are specific for the S phase of the cell cycle. It also has antiviral and immunosuppressant properties. (From Martindale, The Extra Pharmacopoeia, 30th ed, p472)

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