Introduction. No effective treatment has been developed for bone-metastatic breast cancer.We found 3 cases with clinical complete\nresponse (cCR) of the bone metastasis and longer overall survival of the retrospectively examined cohort treated comprehensively\nincluding autologous formalin-fixed tumor vaccine (AFTV). Patients and Methods. AFTV was prepared individually for each\npatient from their own formalin-fixed and paraffin-embedded breast cancer tissues. Results. Three patients maintained cCR status\nof the bone metastasis for 17 months or more. Rate of cCR for 1 year or more appeared to be 15% (3/20) after comprehensive\ntreatments including AFTV. The median overall survival time (60.0 months) and the 3- to 8-year survival rates after diagnosis of\nbone metastasis were greater than those of historical control cohorts in Japan (1988ââ?¬â??2002) and in the nationwide population-based\ncohort study of Denmark (1999ââ?¬â??2007). Conclusion. Bone-metastatic breast cancer may be curable after comprehensive treatments\nincluding AFTV, although larger scale clinical trial is required.
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