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We report the results observed in a large, randomized study that compared the effects of radiotherapy alone (the standard therapy) with those of a combination of radiotherapy and chemotherapy in nonresectable squamous cell and large-cell lung carcinoma. The radiation dose was 65 Gy in each group, and chemotherapy included vindesine, cyclophosphamide, cisplatin, and lomustine. In this study, 177 patients received radiotherapy alone (group A), and 176 patients received the combined treatment (group B). The 2-year survival rate was 14% in group A and 21% in group B (P = .08). The distant metastasis rate was significantly lower in group B (P less than .001). Local control was poor in both groups (17% and 15%, respectively) and remained the major problem.
Chevalier et al. (1991) studied this question.