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  • Title: Standard versus intensified chemotherapy with granulocyte colony-stimulating factor support in small-cell lung cancer: a prospective European Organization for Research and Treatment of Cancer-Lung Cancer Group Phase III Trial-08923.
    Author: Ardizzoni A, Tjan-Heijnen VC, Postmus PE, Buchholz E, Biesma B, Karnicka-Mlodkowska H, Dziadziuszko R, Burghouts J, Van Meerbeeck JP, Gans S, Legrand C, Debruyne C, Giaccone G, Manegold C, European Organization for Research and Treatment of Cancer-Lung Cancer Group.
    Journal: J Clin Oncol; 2002 Oct 01; 20(19):3947-55. PubMed ID: 12351591.
    Abstract:
    PURPOSE: To assess the impact on survival of increasing dose-intensity (DI) of cyclophosphamide, doxorubicin, and etoposide (CDE) in small-cell lung cancer (SCLC). PATIENTS AND METHODS: Previously untreated SCLC patients were randomized to standard CDE (cyclophosphamide 1,000 mg/m(2) and doxorubicin 45 mg/m(2) on day 1, and etoposide 100 mg/m(2) on days 1 to 3 every 3 weeks, for five cycles) or intensified CDE (cyclophosphamide 1,250 mg/m(2) and doxorubicin 55 mg/m(2) on day 1, and etoposide 125 mg/m(2) on days 1 to 3 with granulocyte colony-stimulating factor [G-CSF] 5 micro g/kg/d on days 4 to 13 every 2 weeks, for four cycles). Projected cumulative dose was almost identical on the two arms, whereas projected DI was nearly 90% higher on the intensified arm. Two hundred forty-four patients were enrolled. The first 163 patients were also randomized (2 x 2 factorial design) to prophylactic antibiotics or placebo to assess their impact on preventing febrile leukopenia (FL). This report focuses on chemotherapy DI results. RESULTS: With a median follow-up of 54 months, 216 deaths have occurred. Actually delivered DI on the intensified arm was 70% higher than on the standard arm. Intensified CDE was associated with more grade 4 leukopenia (79% v 50%), grade 4 thrombocytopenia (44% v 11%), anorexia, nausea, and mucositis. FL and number of toxic deaths were similar on the two arms. The objective response rate was 79% for the standard arm and 84% for the intensified arm (P =.315). Median survival was 54 weeks and 52 weeks, and the 2-year survival rates were 15% and 18%, respectively (P =.885). CONCLUSION: A 70% increase of CDE actual DI does not translate into an improved outcome in SCLC patients.
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