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L. Wang



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    JCHS - Joint IASLC - Chinese Society for Clinical Oncology - Chinese Alliance Against Lung Cancer Session (ID 239)

    • Event: WCLC 2015
    • Type: Joint Chinese/ English Session
    • Track: Other
    • Presentations: 1
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      JCHS.07 - First-Line Icotinib Versus Cisplatine/Pemetrexed plus Pemetrexed Maintenance in Advanced NSCLC Patients with EGFR Mutation (ID 3524)

      L. Wang

      • Abstract
      • Presentation
      • Slides

      Background:
      Clinical studies with anti-EGFR agents demonstrate that EGFR TKIs play critical roles in the treatment of non-small cell lung cancer, especially in patients with positive EGFR mutation. Icotinib is an oral, selective EGFR TKIs. Phase 3 study showed that icotinib is non-inferior to gefitinib in treating unselected or EGFR-mutated advanced NSCLC patients as second-line therapy but better safety profile, which provide a rationale to examine icotinib in first-line setting. The objective of this study is to evaluate progression-free survival (PFS), overall survival (OS) and safety of icotinib in chemotherapy naïve NSCLC patients with EGFR mutation.

      Methods:
      In this phase 3, open-label, randomized study (CONVINCE, NCT01719536), 285 patients (pathologically confirmed NSCLC, positive 19/21 EGFR mutation, treatment naive) will be 1:1 randomized to receive oral icotinib (125 mg, three times daily) or cisplatine (intravenous [IV], 75 mg/m2, day 1) plus pemetrexed (IV, 500 mg/m2, day 1), patients achieving disease control after 4-cycle chemotherapy continue to receive single pemetrexed (IV, 500 mg/m2, day 1) as maintenance therapy until progression. Randomization will be stratified by performance status (0-1/2), smoking status (smoker/non-smoker), disease stage (IIIB/IV), and mutation type (19/21). A total of 228 events would provide 90% power to detect an HR for PFS of 1 at 2-sided significance level of 0.05. Response will be reviewed by both investigator and independent data monitoring committee. Patient enrollment was completed in June 2014, and the results are expected in June, 2015.

      Results:
      Not applicable

      Conclusion:
      Not applicable.

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    P3.01 - Poster Session/ Treatment of Advanced Diseases – NSCLC (ID 208)

    • Event: WCLC 2015
    • Type: Poster
    • Track: Treatment of Advanced Diseases - NSCLC
    • Presentations: 1
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      P3.01-061 - A Prognostic Model for Platinum-Doublet Regimens as Second-Line Chemotherapy in Advanced Non-Small-Cell Lung Cancer (NSCLC) Patients (ID 1228)

      L. Wang

      • Abstract
      • Slides

      Background:
      Poor prognosis of advanced non-small-cell lung cancer (NSCLC) patients and the promising therapeutic effect of platinum urge the oncologists to evaluate the role of platinum-doublet as second-line chemotherapy and establish the definition of platinum sensitivity in NSCLC.

      Methods:
      We retrospectively analyzed 364 advanced NSCLC patients who received platinum-doublet regimens as second-line chemotherapy after platinum-based first-line treatment. Patients were divided into four groups by their time-to-progression (TTP) after first-line chemotherapy: 0-3, 4-6, 7-12, and >12months group, respectively. Treatment efficacy of patients’ overall survival (OS), progression-free survival (PFS) and response rate (RR), as well as treatment-related toxicity, were compared among the four groups. A prognosis score system was established by Cox proportional hazard model.

      Results:
      All patients had Eastern Cooperative Oncology Group performance status (ECOG PS) of 0-1. As part of the platinum-doublet regimen,145(39.8%) patients received taxol, 81(22.3%) received gemcitabine, 99(27.2%) received pemetrexed, 32(8.8%) received vinorelbine, 4(1.1%) received etoposide, and 3(0.8%) received irinotecan. The most frequent grade 3/4 toxicity was neutropenia (20.1%) and nausea/vomiting (3.3%).The median follow-up time was 11.0 months. Patients with TTP> 12 months had significant longer survival than the rest of the group after second-line platinum-rechallenge (HR, 0.809; 95% CI: 0.703-0.931;P=0.003).Prognostic score (TAF score) was calculated by adding 1 point each for any of the following: TTP>12 months, age≤60 years, and female, all of which were independent prognostic factors for patient survival (P=0.015, P=0.002, P=0.012, respectively). Median OS were equal to 25.0, 16.0 and 11.0 months for best (2-3 points), intermediate (1 point) and worst (0 point) category, respectively (P<0.0001, Figure 1). Figure 1 Kaplan–Meier curves of overall survival according to patients’ TAF Score. After second-line platinum-based chemotherapy, patients with a TAF Score of 2-3 had significant better survival than those scored 0 or 1 (P<0.0001). Figure 1



      Conclusion:
      A TAF score of 2 or 3 points indicates a good prognosis if advanced NSCLC patients received platinum-rechallenge after disease progression.

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