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Yang Liu



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    FP14 - Targeted Therapy - Clinically Focused (ID 252)

    • Event: WCLC 2020
    • Type: Posters (Featured)
    • Track: Targeted Therapy - Clinically Focused
    • Presentations: 1
    • Moderators:
    • Coordinates: 1/28/2021, 00:00 - 00:00, ePoster Hall
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      FP14.11 - Icotinib versus Chemotherapy as Adjuvant Treatment for Stage II–IIIA EGFR-Mutant NSCLC (EVIDENCE): A Randomized, Open-Label, Phase 3 Study (ID 3605)

      00:00 - 00:00  |  Author(s): Yang Liu

      • Abstract

      Introduction

      Recent studies have shown significant benefits of EGFR tyrosine kinase inhibitors in the adjuvant setting for patients with EGFR-mutant stage IB–IIIA resected NSCLC. This study aimed to compare the efficacy and safety of icotinib with standard chemotherapy in adjuvant setting in patients with EGFR mutant stage II-IIIA NSCLC.

      Methods

      In this randomized, open-label, phase 3 study, eligible patients aged 18-70 years who had completely resected (R0), stage II-IIIA EGFR-mutant NSCLC (in-frame deletion in exon 19 or Leu858Arg point mutation in exon 21) were randomly assigned, in a 1:1 ratio, to receive either adjuvant icotinib (125 mg thrice daily administered orally for 2 years) or four-cycle chemotherapy (cisplatin plus vinorelbine, or cisplatin plus pemetrexed for non-squamous carcinoma). Patients were stratified by clinical stage (II vs IIIA), EGFR mutation type (exon 19 vs 21), and resection methods (lobectomy vs pneumonectomy). The primary endpoint was disease-free survival (DFS). Secondary endpoints included overall survival (OS) and safety.

      Results

      A total of 365 patients were screened, and 322 patients (161 for each arm) were enrolled from 29 centers across China between June 2015 and July 2019. Thirty-nine patients had major protocol violations and were excluded, leaving 283 patients in full analysis set (151 in icotinib arm and 132 in chemotherapy arm, respectively). 53% and 47% of patients had an EGFR mutation of 19 Del and 21 L858R, respectively. At the data cutoff (March 31, 2020) for the pre-specified interim analysis, 98 out of 196 (50%) events were recorded with a median follow-up of 24.9 months (95% CI, 22.1 to 28.8). In full analysis population, the median DFS (mDFS) was 47.0 months (95% CI, 36.44 to not reached) in the icotinib group and 22.1 months (95% CI, 16.8 to 30.4) in the chemotherapy group (stratified hazard ratio=0.36; 95% CI, 0.24 to 0.55; P < 0.0001). Analyses of DFS based on stratification criteria and vital demographic and prognostic factors showed consistent benefits of icotinib treatment across subgroups. The 3-year DFS was 63.9% in the icotinib group and 32.5% in the chemotherapy group. It is immature to perform OS analysis with14 (9.3%) patients in the icotinib group and 14 (10.6%) patients in the chemotherapy group died, respectively. Adverse events of grade 3 or 4 were observed in 10.9% of the patients in the icotinib group and 61.2% in the chemotherapy group. Treatment-related serious adverse events occurred in 2 (1.3%) patients in the icotinib group and 19 (13.7%) patients in the chemotherapy group. No interstitial pneumonia or treatment-related death was observed in each group.

      Conclusion

      Adjuvant icotinib significantly improved DFS in patients with EGFR mutant stage II-IIIA NSCLC compared with standard chemotherapy and demonstrated a better tolerability profile. Icotinib can provide a new treatment option for stage II-IIIA NSCLC patients with activating EGFR mutation.

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    JICC01 - Joint IASLC-CAALC-CSCO Session: The Truth and Myth of Oral Anti-VEGFR Inhibitors for Advance NSCLC (ID 276)

    • Event: WCLC 2020
    • Type: Workshop
    • Track: N.A.
    • Presentations: 1
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      JICC01.11 - Icotinib versus Chemotherapy as Adjuvant Treatment for Stage II–IIIA EGFR-Mutant NSCLC (EVIDENCE): A Randomized, Open-Label, Phase 3 Study (ID 4275)

      07:00 - 09:00  |  Author(s): Yang Liu

      • Abstract

      Introduction
      Recent studies have shown significant benefits of EGFR tyrosine kinase inhibitors in the adjuvant setting for patients with EGFR-mutant stage IB–IIIA resected NSCLC. This study aimed to compare the efficacy and safety of icotinib with standard chemotherapy in adjuvant setting in patients with EGFR mutant stage II-IIIA NSCLC. Methods
      In this randomized, open-label, phase 3 study, eligible patients aged 18-70 years who had completely resected (R0), stage II-IIIA EGFR-mutant NSCLC (in-frame deletion in exon 19 or Leu858Arg point mutation in exon 21) were randomly assigned, in a 1:1 ratio, to receive either adjuvant icotinib (125 mg thrice daily administered orally for 2 years) or four-cycle chemotherapy (cisplatin plus vinorelbine, or cisplatin plus pemetrexed for non-squamous carcinoma). Patients were stratified by clinical stage (II vs IIIA), EGFR mutation type (exon 19 vs 21), and resection methods (lobectomy vs pneumonectomy). The primary endpoint was disease-free survival (DFS). Secondary endpoints included overall survival (OS) and safety. Results
      A total of 365 patients were screened, and 322 patients (161 for each arm) were enrolled from 29 centers across China between June 2015 and July 2019. Thirty-nine patients had major protocol violations and were excluded, leaving 283 patients in full analysis set (151 in icotinib arm and 132 in chemotherapy arm, respectively). 53% and 47% of patients had an EGFR mutation of 19 Del and 21 L858R, respectively. At the data cutoff (March 31, 2020) for the pre-specified interim analysis, 98 out of 196 (50%) events were recorded with a median follow-up of 24.9 months (95% CI, 22.1 to 28.8). In full analysis population, the median DFS (mDFS) was 47.0 months (95% CI, 36.44 to not reached) in the icotinib group and 22.1 months (95% CI, 16.8 to 30.4) in the chemotherapy group (stratified hazard ratio=0.36; 95% CI, 0.24 to 0.55; P < 0.0001). Analyses of DFS based on stratification criteria and vital demographic and prognostic factors showed consistent benefits of icotinib treatment across subgroups. The 3-year DFS was 63.9% in the icotinib group and 32.5% in the chemotherapy group. It is immature to perform OS analysis with14 (9.3%) patients in the icotinib group and 14 (10.6%) patients in the chemotherapy group died, respectively. Adverse events of grade 3 or 4 were observed in 10.9% of the patients in the icotinib group and 61.2% in the chemotherapy group. Treatment-related serious adverse events occurred in 2 (1.3%) patients in the icotinib group and 19 (13.7%) patients in the chemotherapy group. No interstitial pneumonia or treatment-related death was observed in each group. Conclusion
      Adjuvant icotinib significantly improved DFS in patients with EGFR mutant stage II-IIIA NSCLC compared with standard chemotherapy and demonstrated a better tolerability profile. Icotinib can provide a new treatment option for stage II-IIIA NSCLC patients with activating EGFR mutation.