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  • Title: [Modalities of radiotherapy in small cell lung cancer: thoracic radiotherapy and prophylactic cerebral irradiation].
    Author: Le Péchoux C, Dhermain F, Bretel JJ, Laplanche A, Dunant A, Tarayre M, Ruffié P, Le Chevalier T.
    Journal: Rev Pneumol Clin; 2004 Nov; 60(5 Pt 2):3S91-103. PubMed ID: 15536361.
    Abstract:
    Small cell lung cancers (SCC) represent 20% of all lung cancers. After the initial control of the extension, only one third of the patients with SCC will finally have limited disease. The treatment of limited SCC currently relies on chemo-radiotherapeutic combinations that have improved overall survival and survival without metastases over the last few years. Nevertheless, even in limited forms, survival at 5 years varies from 10 to 15% and rarely exceeds 25% in the best series. The risk of relapse is high: although around 70% of patients with a limited form will have complete response, only 15 to 20% of them will exhibit prolonged survival. Indeed, most patients relapse, and the risk of cerebral dissemination for example is particularly high, reaching 50% at 2 years even in complete responders. After the results of a meta-analysis evaluating prophylactic cranial irradiation (PCI) among SCC complete responders, demonstrating 5% enhancement of survival at 3 years, PCI is part of the standard management of SCC in complete response. Despite the improvement in overall survival with the combined treatments, the mediocre results observed in terms of long-term survival warrant further clinical trials in order to define the optimal polychemotherapeutic and radiotherapeutic modalities, the best means of combining these two therapies and the place for new therapies.
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