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  • Title: [The role of tumor receptor status in choosing adjuvant therapy for breast cancer patients of reproductive age].
    Author: Samgina AA, Letiagin VP, Kuz'mina ZV.
    Journal: Vopr Onkol; 1992; 38(7):780-7. PubMed ID: 1300782.
    Abstract:
    Estrogen (ER) and progesterone (PR) receptor levels were assayed in primary tumor samples from 271 premenopausal patients suffering T1,2N1M0 (stage II) breast cancer. Four clinical groups were identified according to steroid receptor levels in which results of adjuvant treatment (chemotherapy or complex treatment) were assessed. ER and PR positivity was associated with longer disease-free and overall survival. Adjuvant hormone therapy proved beneficial in ER+PR+ tumor patients. The latter group was also characterized by a lower relapse rate, particularly, in those aged over 40. It is recommended that: (1) T1,2N1M0 breast cancer patients be given adjuvant chemotherapy whatever tumor receptor status, (2) these patients should not be given adjuvant hormone therapy unless tumor receptor status has been established since prophylactic oophorectomy and subsequent hormone therapy are not justified for operable breast cancer, (3) complex therapy be administered to premenopausal patients aged over 40 years with ER+PR+ tumors only, and (4) PR-positivity be considered a good predictor of hormone sensitivity of cancer.
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