Abstract
PURPOSE: Repeated high-dose chemotherapy (HDCT) followed by peripheral-blood progenitor cell (PBPC) transplantation can induce a complete remission in patients with metastatic breast cancer sensitive to standard chemotherapy (CT), but the majority of patients relapse within 1 to 2 years. The immune system is seriously compromised after HDCT, which precludes the development of effective immunotherapy. We investigated whether autologous lymphocytes, reinfused after HDCT, could induce a rapid recovery of T cells. PATIENTS AND METHODS: Three patients were monitored for immune recovery without reinfusion of lymphocytes. In the next 11 patients, stem cells were harvested after CT + granulocyte colony-stimulating factor (G-CSF) and lymphocytes were harvested after CT + granulocyte-macrophage colony-stimulating factor (GM-CSF) and interleukin-2. These patients received stem cells and G-CSF after the first HDCT; stem cells, G-CSF, and lymphocytes after the second; and stem cells, GM-CSF, and lymphocytes after the ...
Published Version
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