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  • Title: [Breast cancer].
    Author: Kobayashi T, Yamazaki H, Nakamura T, Ogihara A, Fujii T, Hirano A, Uno S, Yoshida K, Nagata T, Uchida K, Kubo H, Tozaki M, Kanehira C, Miyazawa Y, Suzuki M, Kuraishi Y.
    Journal: Gan To Kagaku Ryoho; 2001 Nov; 28(12):1814-25. PubMed ID: 11729473.
    Abstract:
    Neoadjuvant chemotherapy (NAC) represents a new approach based on sound theoretical, pharmacokinetic, and experimental principles. The purpose of NAC is to improve control of the primary site by downstaging and to improve control of micrometastatic disease. NAC has been standard therapy in the management of locally advanced breast cancer. Patients with earlier stage breast cancer may also benefit from treatment with NAC. Recently some investigators have mentioned that NAC can be used instead of adjuvant chemotherapy and would be most appropriate for patients who wish to preserve their breast but who have tumors too large for breast conserving surgery. In this article, we reviewed the present status of NAC (indication, clinical response, pathologic response, survival, possibility of breast conservation, prognostic/predictive factors, neoadjuvant endocrine therapy) and discussed several unanswered questions on NAC (survival benefit, optimal number of treatment cycles, optimal regimens) and future direction. Combined modality therapy including NAC appears to provide excellent local control, the possibility of breast conservation, and, probably, an increased survival rate, at least for some subsets of patients. Furthermore, through sequential sampling, NAC provides indeed the opportunity to identify molecular mechanisms associated with pathologic response and to study the possibility to guide the choice for induction treatment and patient populations submitted to neoadjuvant chemotherapy.
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