Annals of Oncology 13:1454-1459, 2002
© 2002 European Society for Medical Oncology
Original Paper |
A phase II randomised trial comparing the cisplatinetoposide combination chemotherapy with or without carboplatin as second-line therapy for small-cell lung cancer
Department of Medicine, Institut Jules Bordet, Bruxelles, Belgium
Received 17 December 2001; revised 25 February 2002; accepted 26 March 2002
Background:
A phase II randomised trial was performed with patients with SCLC to determine if the addition of carboplatin to cisplatinetoposide 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 13) and 34 for CCE (carboplatin 200 mg/m2 on day 1, cisplatin 30 mg/m2 on days 23, etoposide 100 mg/m2 on days 13).
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) 1345] and 47% (95% CI 3064) 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.
Key words: carboplatin, cisplatin, etoposide, salvage therapy, small-cell lung cancer
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