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Friday 27 October 2006

Randomised phase II study comparing topotecan/carboplatin administration for 5 versus 3 days in the treatment of extensive-stage small-cell lung cancer.

By: Seifart U, Fink T, Schade-Brittinger C, Hans K, Mueller C, Koschel G, Schroeder H, Lorenz R, Dethling J, Wolf M.

Ann Oncol 2006 Oct 27; [Epub ahead of print]

BACKGROUND: Topotecan is an active drug in small-cell lung cancer (SCLC). In our previous study, a combination of topotecan with cisplatin was associated with a median overall survival of 7.6 or 8.7 months, depending on the duration of treatment. We have replaced cisplatin by carboplatin in this trial, with the objective of creating a more convenient schedule for our patients. Furthermore, we have also compared the standard 5-day schedule with an experimental 3-day schedule. PATIENTS AND METHODS: A total of 100 patients with metastatic disease were included. Patients were randomly assigned to receive either topotecan 0.75 mg/m(2), days 1-5, and carboplatin AUC 5, day 5 (arm A) or topotecan 1.25 mg/m(2), days 1-3, and carboplatin AUC 5, day 3 (arm B). Six cycles were given at a 3-week interval. RESULTS: A total of 91 patients were assessable for response. The response during therapy was 86.9% in arm A and 80.0% in arm B. Median survival in arm A was 11.8 months and in arm B 11.6 months (P = 0.37). CONCLUSIONS: The combination of topotecan and carboplatin is active in extensive-disease SCLC. Toxicity and median survival were comparable in both arms. Three days of treatment seems to be similar to the 5-day regimen.

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