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ORAL 01 - Chemotherapy Developments for Lung Cancer (ID 88)
- Event: WCLC 2015
- Type: Oral Session
- Track: Treatment of Advanced Diseases - NSCLC
- Presentations: 1
ORAL01.06 - S-1 and Cisplatin versus Docetaxel and Cisplatin in Patients with Untreated Advanced NSCLC: An Randomised, Multicenter, Phase 3 Trial (ID 2734)
10:45 - 12:15 | Author(s): N. Xu
Platinum-based doublet chemotherapy is the standard chemotherapeutic regimen for treatment-naïve advanced non-small cell lung cancer (NSCLC). S-1, an oral fluoropyrimidine, combined with carboplatin or cisplatin (CDDP) has demonstrated the non-inferiority to the standard platinum doublet chemotherapy in Japanese NSCLC patients. However, its effectiveness in Chinese NSCLC patients is uncertain. The purpose of this study is to compare the efficacy and safety of these chemotherapeutic regimens in Chinese NSCLC patients.
We did this randomized controlled study in 21 sites in China. Eligible patients were those aged 18-70 years who was histologically or cytologically confirmed with locally advanced or metastatic NSCLC with no prior radiotherapy, molecular targeted therapy or chemotherapy. Patients were randomized to receive either S-1 orally 80 mg/m/day (40 mg/m2 b.i.d., 80–120 mg/day) with 60 mg/m CDDP on day 8 every 5 weeks (SP) or docetaxel and CDDP (both 75 mg/m) on day 1 every 3 weeks (DP) for up to 6 cycles. Randomisation was stratified by centre, pathological classification, disease stage and gender. The primary endpoint was progression free survival (PFS), analyzed in the full analysis set. The study is registered at ClinicalTrials.jp, number Japic CTI-111479.
Between March 2011 and November 2012, 246 patients from 21 institutions in China were randomly assigned and received SP or DP treatment (124 vs 122) with 18-month follow-up period from the last patient randomized. In the SP and DP group, median PFS was 5.9 and 5.7 months (HR=0.68; 95% CI, 0.48-0.96) respectively, median overall survival was 19.1 and 14.8 months, respectively (HR=0.84; 95% CI, 0.61-1.14). The most common grade 3 or worse adverse events in both treatment groups were neutropenia 3.3% vs 55.1%, leukopenia 1.7% vs 39.0%, and febrile neutropenia 0.8% vs 5.9%, of 121 patients in the SP group and of 118 patients in the DP group, respectively.
The efficacy of SP was non-inferior to DP with a better safety profile. SP would be a new standard first-line chemotherapy regimen for Chinese patients with advanced NSCLC.
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