A phase II randomised trial comparing the cisplatin-etoposide combination chemotherapy with or without carboplatin as second-line therapy for small-cell lung cancer

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Abstract

Background: A phase II randomised trial was performed with patients with SCLC to determine if the addition of carboplatin to cisplatin-etoposide might improve the response rate in second-line therapy. Patients and methods: Sixty-five eligible patients were randomised: 31 for CE (cisplatin 20 mg/m2 and etoposide 100 mg/m2 on days 1-3) and 34 for CCE (carboplatin 200 mg/m2 on day 1, cisplatin 30 mg/m2 on days 2-3, etoposide 100 mg/m2 on days 1-3). Results: Eighty-two per cent of these patients had an objective response to first-line therapy and, among responders, 63% had a treatment-free interval of >3 months after previous therapy. The best response rates were 29% [95% confidence interval (CI) 13-45] and 47% (95% CI 30-64) for CE and CCE, respectively, with median survival times of 4.3 and 7.6 months. Dose-intensity analysis revealed a significant improvement in the relative dose-intensity and etoposide absolute dose-intensity for CE. Toxicity was tolerable and comparable between the two study arms. Conclusion: CCE appears to be associated with a high objective response rate. The phase II randomised study design suggests that a comparison between the two regimens in a phase III trial would be interesting, but will probably be difficult to perform for reasons of accrual.

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Sculier, J. P., Lafitte, J. J., Lecomte, J., Berghmans, T., Thiriaux, J., Van Cutsem, O., … Giner, V. (2002). A phase II randomised trial comparing the cisplatin-etoposide combination chemotherapy with or without carboplatin as second-line therapy for small-cell lung cancer. Annals of Oncology, 13(9), 1454–1459. https://doi.org/10.1093/annonc/mdf244

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