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Donor Stem Cell Transplant After Total-Body Irradiation in Treating Patients With Relapsed or Refractory Hematologic Cancer or Acute Myeloid Leukemia or Acute Lymphocytic Leukemia in Complete Remission

2014-08-27 03:18:39 | BioPortfolio

Summary

RATIONALE: Giving low-dose total-body irradiation before a donor stem cell transplant helps stop the growth of cancer cells. It also stops 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).

PURPOSE: This phase I trial is studying the side effects of donor stem cell transplant after total-body irradiation and to see how well it works in treating patients with relapsed or refractory hematologic cancer or acute myeloid leukemia or acute lymphocytic leukemia in complete remission.

Description

OBJECTIVES:

Primary

- To evaluate the toxicity of irradiated haploidentical allogeneic cellular therapy after low-dose total-body irradiation and no pharmacologic graft-vs-host disease prophylaxis in patients with relapsed or refractory hematologic malignancies or patients with acute myeloid leukemia (AML) or acute lymphoblastic leukemia in second or greater complete remission (CR2).

Secondary

- To evaluate immunologic parameters before and after haploidentical therapy.

- To demonstrate host anti-leukemia T-cells in a subset of patients with AML who are HLA-A2-positive.

- To observe any evidence of antitumor activity within the confines of this pilot study and/or assess the duration of remission in those patients who enter the study in CR2.

OUTLINE: Patients undergo low-dose total-body irradiation and infusion of irradiated donor cells on day 0. Patients also receive filgrastim subcutaneously (SC) daily or pegfilgrastim SC every 14 days starting on day 1.

Patients in complete remission (CR) or with persistent disease undergo irradiated donor lymphocyte infusion (DLI) at 8 weeks. Repeat irradiated DLI is administered if patients remain in CR or achieve stable or responding disease after the second infusion (if confirmed by histologic assessment) or third infusion (if confirmed by radiographic assessment). DLI repeats every 8 weeks pending disease and clinical status up to a total of 6 infusions over a 12-month period.

Blood samples are collected at baseline, upon recovery of counts, and then monthly thereafter for immunologic studies.

After completion of study treatment, patients are followed up periodically.

Study Design

Masking: Open Label, Primary Purpose: Treatment

Conditions

Leukemia

Intervention

cellular immunotherapy, donor lymphocytes, filgrastim, pegfilgrastim, immunologic technique, laboratory biomarker analysis, allogeneic hematopoietic stem cell transplantation, in vitro-treated peripheral blood stem cell transplantation, total-body irradia

Location

Cancer Institute of New Jersey at UMDNJ - Robert Wood Johnson Medical School
New Brunswick
New Jersey
United States
08903

Status

Recruiting

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:18:39-0400

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Medical and Biotech [MESH] Definitions

Protection from an infectious disease agent that is mediated by B- and T- LYMPHOCYTES following exposure to specific antigen, and characterized by IMMUNOLOGIC MEMORY. It can result from either previous infection with that agent or vaccination (IMMUNITY, ACTIVE), or transfer of antibody or lymphocytes from an immune donor (IMMUNIZATION, PASSIVE).

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Testing of immune status in the diagnosis and therapy of cancer, immunoproliferative and immunodeficiency disorders, and autoimmune abnormalities. Changes in immune parameters are of special significance before, during and following organ transplantation. Strategies include measurement of tumor antigen and other markers (often by RADIOIMMUNOASSAY), studies of cellular or humoral immunity in cancer etiology, IMMUNOTHERAPY trials, etc.

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