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  • Title: Etoposide plus cisplatin followed by concurrent chemo-radiotherapy and irinotecan plus cisplatin for patients with limited-stage small cell lung cancer: A multicenter phase II study.
    Author: Xenidis N, Kotsakis A, Kalykaki A, Christophyllakis Ch, Giassas S, Kentepozidis N, Polyzos A, Chelis L, Vardakis N, Vamvakas L, Georgoulias V, Kakolyris S.
    Journal: Lung Cancer; 2010 Jun; 68(3):450-4. PubMed ID: 19783319.
    Abstract:
    PURPOSE: The combination of irinotecan and cisplatin (IP) has shown at least comparable efficacy to that of etoposide/cisplatin (EP) in patients with extensive-stage small cell lung cancer. We conducted a phase II study to evaluate the efficacy and tolerance of EP regimen followed by thoracic radiotherapy (TRT) and IP consolidation chemotherapy in patients with limited-stage small cell lung cancer. PATIENTS AND METHODS: Thirty-three chemotherapy-naive patients with limited-stage small cell lung cancer (LS-SCLC) were treated with etoposide 100mg/m(2) on days 1-3 and cisplatin 80mg/m(2) on day 1. Radiotherapy was given 3 weeks after the first treatment cycle concurrently with weekly cisplatin 20mg/m(2) on day 1 and etoposide 50mg/m(2) on day 4 within 5-6 weeks, followed by three courses of irinotecan 60mg/m(2) on days 1, 8, and 15 and cisplatin 60mg/m(2) on day 1 of a 4-week cycle. RESULTS: There were no treatment-related deaths. Toxicities during chemo-radiotherapy were mild including grade 3/4 neutropenia (24%) and grade 2 esophagitis (6%). The major toxicity observed during consolidation chemotherapy was grades 3-4 neutropenia which affected 42% of patients. In an intention-to-treat analysis the overall response rate was 66% (CR: 30% and PR: 36%). After a median follow-up period of 35.7 months (range: 9.6-41.2 months), the median survival time was 19 months (95% CI: 14.5-23.5 months), the median time to tumor progression 8.3 months and the 1- and 2-year survival rates 72% and 27.5%, respectively. CONCLUSIONS: Consolidation chemotherapy with IP following concurrent EP plus TRT is a safe and with acceptable toxicity regimen and deserves further phase III testing in patients with LS-SCLC.
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