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  • Title: Front-line paclitaxel and topotecan chemotherapy in advanced or metastatic non-small-cell lung cancer: a phase II trial.
    Author: Stathopoulos GP, Katis C, Tsavdaridis D, Dimitroulis J, Karaindros D, Stathopoulos J, Dimou E.
    Journal: Cancer Chemother Pharmacol; 2006 Oct; 58(4):555-60. PubMed ID: 16520987.
    Abstract:
    PURPOSE: Based on previous experience, we combined topotecan with paclitaxel (weekly administration) in patients with non-small-cell lung cancer (NSCLC). Our primary objective was to determine the response rate and survival and our secondary objective, the safety of the regimen. METHODS: From October 2003, until March 2005, 45 patients all with histologically or cytologically confirmed NSCLC were enrolled. All patients were chemotherapy and radiotherapy naive. Both agents were infused on day 1 of every week once for three consecutive weeks, every 28 days. Three infusions were considered as one course. The treatment plan was to give three courses (nine infusions) and then to evaluate the response. Topotecan (1.75 mg/m2) was infused for 30 min and paclitaxel (70 mg/m2) for 90 min; these doses had been established as the maximum tolerated dose in a previous phase I-II trial. RESULTS: Eighteen/45 (40%) patients responded, 2 (4.4%) complete responses and 16 (35.6%) partial responses. Twenty-one (46.7%) patients had stable disease, and 6 (13.3%) disease progression. The median duration of response was 8 months and median time to tumor progression 9 months. Grade 3 and 4 neutropenia was observed in two patients (in these two patients, the dose of both drugs was reduced by 25% and G-CSF was given), grade 4 thrombocytopenia in one patient and grade 4 anemia in one patient. CONCLUSION: This novel combination of topotecan-paclitaxel in a weekly administration rendered a 40% response rate, with very low toxicity in stages IIIA, IIIB and IV NSCLC patients.
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