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- W3010907760 abstract "7134 Background: To compare the efficacy and toxicity of IP vs. non-platinum-based GV in the treatment of advanced NSCLC, we conducted a randomized phase II trial with planned cross-over to the other regimen upon disease progression (PD) after the first-line therapy. Methods: Eligibility required stage IIIb/IV NSCLC, no prior chemotherapy, measurable disease, ECOG PS 0–2, adequate organ functions, and informed consent. After stratification by gender, stage (IIIB or IV) and performance status (PS: 0–1 or 2), eligible pts were randomized to receive either IP (I 65 mg/m 2 & P30 mg/m 2 on D1 & 8 q 3 weeks) first then GV (G 900 mg/m 2 &V25 mg/m 2 on D1 & 8 q 3 weeks) upon PD (Arm A) or GV first then IP upon PD (Arm B). Results: Between 12/2003 and 06/2005, 146 pts were enrolled in either Arm A (n = 75) or Arm B (n = 71). There was no difference in gender (male: 77.3% vs. 81.7%), age (median: 58 vs. 60 yrs), PS (PS 2: 10.7% vs. 8.5%), histology (adenocarcinoma: 72.0% vs. 76.6%) and stage (IV: 88.0% vs. 87.3%). IP tended to generate more responses than GN (42.0% vs. 29.0% as first-line, 30.2% vs. 14.3% as second-line), but there was no difference in total response rate by the treatment arm (Arm A: 45.6%, B: 43.5%). During the first-line therapy, IP caused more G3+ anemia (20.0% vs. 7.1%, p = 0.048), G2/3 nausea/vomiting (41.4% vs. 12.9%, p < 0.001), G2 alopecia (35.7% vs. 10.0%, p = 0.001) than GN while pneumonitis was noted only with GN (11.4%). Toxicity profile was similar after the second-line therapy. Both arms resulted in excellent survival outcome with no significant difference between the Arm A and B (median: 16.5 mo vs. 15.1 mo, p = 0.595). Conclusions: Platinum-based IP regimen seemed to be more effective in terms of response rate. Given the overall survival data and the mild toxicity profile of GV regimen, however, either treatment sequence seems to be acceptable for the treatment of advanced metastatic NSCLC. (Supported in part by NCC grants 0210140 and 0510140). No significant financial relationships to disclose." @default.
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- W3010907760 date "2006-06-20" @default.
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- W3010907760 title "Randomized phase II cross-over sequential chemotherapy trial of irinotecan/cisplatin (IP) vs. gemcitabine/vinorelbine (GV) in chemo-naïve patients with stage IIIb/IV non-small cell lung cancer (NSCLC)" @default.
- W3010907760 doi "https://doi.org/10.1200/jco.2006.24.18_suppl.7134" @default.
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