• Seminars in oncology · Aug 1997

    Randomized Controlled Trial Clinical Trial

    A randomized study of etoposide and carboplatin with or without paclitaxel in the treatment of small cell lung cancer.

    • R Birch, C H Weaver, J D Hainsworth, C Bobo, and F A Greco.
    • Response Oncology, Inc., Memphis, TN 38117, USA.
    • Semin. Oncol. 1997 Aug 1; 24 (4 Suppl 12): S12-135-S12-137.

    AbstractSmall cell lung cancer accounts for 20% to 25% of all lung cancer cases and is initially responsive to combination chemotherapy. However, the majority of patients relapse, and at that point their disease is highly resistant to chemotherapy. The combination of etoposide with either cisplatin or carboplatin is regarded as the standard of care for these patients. Previous studies have documented the activity of paclitaxel (Taxol; Bristol-Myers Squibb Company, Princeton, NJ) at doses of 135 to 250 mg/m2 administered over 1, 3, or 24 hours as either a single agent or in combination with etoposide and a platinum compound. Studies adding paclitaxel to etoposide/carboplatin (EP) have demonstrated complete responses in both limited and extensive disease, but all have been in single-arm phase II studies. Preliminary data also suggest the possibility of a dose-response curve for the combination. We recently began a randomized phase II/III comparison of the standard EP to EP plus paclitaxel for newly diagnosed patients with limited or extensive small cell lung cancer. Carboplatin in this study is dosed according to area under the concentration-time curve as calculated by the Calvert formula. The study compares EP (carboplatin area under the concentration-time curve of 6 intravenously [IV] over 30 to 60 minutes on day 1, with etoposide 120 mg/m2 IV days 1 to 3) versus EP plus paclitaxel (paclitaxel 200 mg/m2 IV 1-hour infusion on day 1, carboplatin area under the concentration-time curve of 6 IV over 30 to 60 minutes on day 1, and etoposide 50/100 mg orally on alternating days 1 to 10). The design, inclusion criteria, and staging of patients in this study will be presented with initial accrual and patient characteristics. Randomized studies of this type are essential if the true role of this new combination is to be fully evaluated.

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