Abstract
This review summarizes the results of local treatment of “early” breast cancer obtained in 17 clinical trials that can be divided into 3 groups. In the 7 trials in group I, the type of surgery in each was a constant (radical mastectomy or simple mastectomy) and the evaluations were designed to compare the results of various forms of postoperative treatment (immediate radiotherapy, delayed radiotherapy, chemotherapy, placebo, and observation). In the 4 trials in group II, the postoperative management in each was a constant (radiotherapy or observation) and the variable that was evaluated was the type of surgery (simple mastectomy versus radical mastectomy). In the 6 trials in group III, both the type of surgery (super-radical mastectomy, radical mastectomy, simple mastectomy, wide local excision) and the type of postoperative treatment (partial or complete radiotherapy, observation) were varied so as to evaluate different combinations. Although sufficient time has not elapsed to assess the results of many of these trials, the conclusions that appear warranted at this time are: 1) simple mastectomy combined with postoperative radiotherapy is as effective in terms of survival and recurrence rates as radical mastectomy with or without postoperative radiotherapy in stage I and stage II breast cancer, and 2) postoperative radiotherapy does not increase survival following radical mastectomy.
Résumé
Cette revue résume les résultats du traitement local du cancer du sein “débutant” dans 17 essais cliniques qui peuvent Être divisés en 3 groupes. Dans les 7 essais du groupe I, le type de chirurgie était constant pour chacun d'eux (mastectomie radicale ou mastectomie simple) et l'on a évalué les résultats des diverses formes de traitement postopératoire (radiothérapie immédiate, radiothérapie différée, chimiothérapie, placebo, observation). Dans les 4 essais du groupe II, le traitement postopératoire était constant (soit radiothérapie, soit observation) et la variable à évaluer était l'intervention chirurgicale (mastectomie simple ou mastectomie radicale). Dans les 6 essais du groupe III, le type de chirurgie (mastectomie super-radicale, radicale ou simple, excision locale large) et le type de traitement postopératoire (radiothérapie complète ou partielle, observation, ovariectomie) ont varié de faÇon à pouvoir évaluer diverses combinaisons. Bien que la période d'observation soit trop courte pour permettre une appréciation correcte de la plupart des essais, on peut déjà tirer les conclusions suivantes: 1) la mastectomie simple combinée à la radiothérapie postopératoire est aussi efficace que la mastectomie radicale avec ou sans radiothérapie postopératoire, en termes de survie et de fréquence des récidives dans les cancers du sein au stades I et II, 2) la radiothérapie postopératoire n'accroÎt pas la survie après mastectomie radicale.
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References
Easson, E.C.: Postoperative radiotherapy in breast cancer. In Prognostic Factors in Breast Cancer, A.P.M. Forrest, P.B. Kunkler, editors, Edinburgh, E. & S. Livingston, 1968, pp. 118–127
Breast cancer symposium: Points in the practical management of breast cancer. Br. J. Surg.56:791, 1969
Fisher, B., Slack, N.H., Cavanaugh, P.J., Gardner, B., Ravdin, R. and cooperating investigators: Postoperative radiotherapy in the treatment of breast cancer: results of the NSABP clinical trial. Ann. Surg.172:711, 1970
Høst, H., Brennhovd, I.O.: Combined surgery and radiation therapy versus surgery alone in primary mammary carcinoma. 1. The effect of orthovoltage radiation. Acta Radiol. [Ther.] (Stockh)14:25, 1975
de Schryver, A.: The Stockholm breast cancer trial: preliminary report of a randomised study concerning the value of preoperative or postoperative radiotherapy in operable disease. Int. J. Radiat. Oncol. Biol. Phys.1:601, 1976
Murray, J.G.: Cancer Research Campaign breast study. Br. J. Surg.61:772, 1974
The management of early cancer of the breast. Report on an international multi-centre trial supported by the Cancer Research Campaign. Br. Med. J.1:1035, 1976
Fisher, B.: Cooperative clinical trials in primary breast cancer. A critical appraisal. Cancer31:1271, 1973
Fisher, B.: Primary therapy of breast cancer: a report. In Report to the Profession: Breast Cancer, B. Levine, E. Tarwater, E. Vollmer, editors, Bethesda, National Cancer Institute, 1974, pp. 157–159
Duncan, W., Forrest, A.P.M., Gray, N., Hamilton, T., Langlands, A.O., Prescott, R.J., Shivas, A.A., Stewart, H.J.: New Edinburgh primary breast cancer trials—report by coordinating committee. Br. J. Cancer32:628, 1975
Brinkley, D., Haybittle, J.L.: Letter: Treatment of stage II carcinoma of the female breast. Lancet2:1086, 1971
Forrest, A.P.M., Roberts, M.M., Preece, P., Henk, J.M., Campbell, H., Hughes, L.E., Desai, S., Hulbert, M.: The Cardiff-St. Mary's trial. Br. J. Surg.61:766, 1974
Helman, P., Bennett, M.B., Louw, J.H., Wilkie, W., Madden, P., Silber, W., Sealy, R., Heselson, J.: Interim report on trial of treatment for operable breast cancer. S. Afr. Med. J.46:1374, 1972
Kaae, S., Johansen, H.: Simple versus radical mastectomy in primary breast cancer. In Prognostic Factors in Breast Cancer, A.P.M. Forrest, P.B. Kunkler, editors, Edinburgh, E. & S. Livingston, 1968, pp. 93–102
Kaae, S., Johansen, H.: Simple mastectomy plus postoperative irradiation by the method of McWhirter for mammary carcinoma. Ann. Surg.170:895, 1969
Hamilton, T., Langland, A.O., Prescott, R.J.: The treatment of operable cancer of the breast: a clinical trial in the south-east region of Scotland. Br. J. Surg.61:758, 1974
Atkins, H., Hayward, J.L., Klugman, D.J., Wayte, A.B.: Treatment of early breast cancer: a report after ten years of a clinical trial. Br. Med. J.2:423, 1972
Hayward, J.: Conservative surgery in the treatment of early breast cancer. Br. J. Surg.61:770, 1974
Burn, J.I.: “Early” breast cancer: the Hammersmith trial. Br. J. Surg.61:762, 1974
Alexander, P.: The bogey of the immuno-suppressive action of local radiotherapy. Int. J. Radiat. Oncol. Biol. Phys.1:369, 1976
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Stewart, H.J. Controlled trials in the treatment of “early” breast cancer: A review of published results. World J. Surg. 1, 309–313 (1977). https://doi.org/10.1007/BF01556845
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DOI: https://doi.org/10.1007/BF01556845