High-dose chemotherapy and autologous stem-cell transplantation in breast cancer
ACTA MEDICA AUSTRIACA(2000)
Abstract
42 breast cancer patients were treated by high-dose chemotherapy (HDC) and autologous peripheral stem-cell transplantation (ASTx) in the Donauspital between 1992 and 1999. 24 patients had stage II/III breast cancer with high risk for relapse. The other 18 patients underwent HDC and ASTx in chemosensitive stage IV. After previous conventional chemotherapy peripheral stem-cells were harvested by one cycle of mobilisation chemotherapy (epirubicin/taxol, FEC 120 or cyclophosphamide) followed by cytokine stimulation. 16 patients were treated by a tandem transplantation (conditioning protocol for 1(st) ASTx was melphalan 200 mg/m(2) and for 2(nd) transplant it was CTC: cyclophosphamide 6 g/m(2). thiotepa 500 mg/m(2); carboplatin 800 mg/m(2)). The other m 26 patients received one HDC with CTC as conditioning protocol. The HDC was well tolerated by all patients, there was no transplant-related mortality. The median survival and the progression-free survival (PFS) after HDC and ASTx in stage IV breast cancer patients were 28 and 11 months, respectively. The median survival and PFS were not yet reached in stage II/III patients after 55 months. The actuarial survival and PFS in that patient group were 70 % after 55 months. Our data confirm the low risk and good efficacy of HDC and ASTx in breast cancer patients. Nevertheless randomised studies are necessary to evaluate the importance of HDC compared to intensified conventional protocols without ASTx.
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Key words
high-dose chemotherapy,autologous stem-cell transplantation,breast cancer
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