Summary
Background
This trial studied the disease-free survival after high-dose chemotherapy in patients in complete remission of metastatic breast cancer.
Patients and methods
Thirty women, mean age 42.2 years (range 33–55) with metastatic breast cancer, received high-dose chemotherapy in a phase II study. Patients were eligible if they were ≤ 55 years of age, had achieved complete remission within 6 months of the initiation of chemotherapy, and had a WHO performance scale of 0 or 1. The high-dose regimen consisted of melphalan 180 mg/m2 and mitoxantrone 60 mg/m2 both divided over 3 days. On day 7 bone marrow and/or peripheral stem cells were infused. After bone marrow recovery, external beam radiation was administered to sites of previous metastatic disease in 15 patients.
Results
Apart from leuko- and thrombocytopenia, mucositis was the major side effect. One patient died during the bone marrow transplant period due to an aspergillus infection. The median follow-up since highdose chemotherapy is 25 months (range 13 to 56 months). The median disease-free survival since high-dose chemotherapy is 27 months and the disease free survival is still 43% with an overall survival of 53% at 3 years. In two patients tumor relapse occurred only in the brain; in one patient the only relapse sign was a meningeal carcinosis. At the moment 17 patients are disease-free (13+–56+) months after high-dose chemotherapy.
Conclusion
Until now this high-dose regimen in selected patients with complete remission after induction chemotherapy for metastatic breast cancer has a promising disease free survival.
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de Vries, E.G.E., Rodenhuis, S., Schouten, H.C. et al. Phase II study of intensive chemotherapy with autologous bone marrow transplantation in patients in complete remission of disseminated breast cancer. Breast Cancer Res Tr 39, 307–313 (1996). https://doi.org/10.1007/BF01806158
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DOI: https://doi.org/10.1007/BF01806158