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  • Title: Continuous-infusion vinorelbine for the treatment of advanced non-small-cell lung cancer: a phase I/II study.
    Author: Carabante-Ocón F, Cobo-Dols M, Benavides-Orgaz M, Gil-Calle S, Alés-Díaz I, Bretón-García JJ, Villar-Chamorro E, Montesa-Pino A, Alcalde-García J, Gutiérrez-Calderón V.
    Journal: Clin Lung Cancer; 2005 Sep; 7(2):121-6. PubMed ID: 16179099.
    Abstract:
    BACKGROUND: In this phase I/II trial, the maximum tolerated dose (MTD) and activity of vinorelbine administered in continuous infusion as first-line treatment for advanced non-small-cell lung cancer (NSCLC) was determined in 25 consecutive chemotherapy-naive patients with advanced NSCLC. PATIENTS AND METHODS: Vinorelbine was administered as an initial intravenous (I.V.) bolus of 8 mg/m(2) on day 1 followed by a 4-day continuous I.V. infusion at 5 different 24-hour dose levels to be repeated every 21 days. All 25 patients (159 cycles) were evaluable for response. The MTD was 8 mg/m(2) bolus followed by a continuous I.V. infusion of 11 mg/m(2) per day over 4 days. RESULTS: The dose-limiting toxicities were febrile neutropenia in 6 patients and grade 3 mucositis in 2 patients. There was less neurotoxicity and constipation and more mucositis compared with the weekly bolus scheme. There was no significant cumulative toxicity after 3 cycles. Treatment responses were observed in 6 patients: 1 complete response and 5 partial responses. The overall response rate was 24% (95% confidence interval [CI], 8%-40%). Median time to progression was 4 months (95% CI, 2-11 months), and median survival was 6 months (95% CI, 2-18 months). CONCLUSION: The results demonstrate that, in this setting of first-line treatment of NSCLC, vinorelbine administered as an 8 mg/m(2) bolus followed by a continuous infusion of 11 mg/m(2) per day over 4 days is the recommended schedule. Further trials are necessary to establish activity and possible benefits of combination with other agents.
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