RATIONALE: Interleukin-2 may stimulate a person's white blood cells to kill cancer cells. PURPOSE: Phase I trial to study the effectiveness of interleukin-2 following bone marrow transplantation in treating patients who have hematologic cancer at risk of relapse.
OBJECTIVES: I. Determine the toxicity and maximum tolerated dose of interleukin-2 following allogeneic T-cell depleted bone marrow transplant in patients with hematologic malignancies at high risk of relapse. II. Determine the optimal dose of interleukin-2 in this regimen which will result in maximal natural killer cell and lymphokine activated killer cell activity in vitro. OUTLINE: This is a dose escalation study. Patients receive CD34+ stem cell augmented donor bone marrow on day 0 on another protocol. Patients then receive interleukin-2 (IL-2) subcutaneously on day 30. Treatment continues for 12 weeks in the absence of dose limiting toxicity. Cohorts of 4 patients receive escalating doses of IL-2 until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose prior to that which causes at least grade 3 toxicity. PROJECTED ACCRUAL: A total of 18-24 patients will be accrued for this study within 12-18 months.
Study Type
INTERVENTIONAL
Purpose
TREATMENT
Johns Hopkins Oncology Center
Baltimore, Maryland, United States
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