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Yunchao Huang



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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): Yunchao Huang

      • Abstract
      • Slides

      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): Yunchao Huang

      • 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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    P79 - Immunotherapy (Phase II/III Trials) - Immunotherapy Plus Chemotherapy (ID 256)

    • Event: WCLC 2020
    • Type: Posters
    • Track: Immunotherapy (Phase II/III Trials)
    • Presentations: 1
    • Moderators:
    • Coordinates: 1/28/2021, 00:00 - 00:00, ePoster Hall
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      P79.02 - Updated OS and Time to Second Progression with First-Line Camrelizumab Plus Chemo vs Chemo for Advanced Non-Squamous NSCLC (ID 1732)

      00:00 - 00:00  |  Author(s): Yunchao Huang

      • Abstract
      • Slides

      Introduction

      At the pre-specified interim analysis of the CameL phase 3 study, camrelizumab plus chemo (carboplatin + pemetrexed) as first-line therapy significantly improved the PFS compared with chemo alone and showed acceptable safety profile in patients with advanced non-squamous NSCLC without sensitizing EGFR and ALK alterations (2019 WCLC OA04.03). Herein, we provide an update on OS and PFS2 (time to second progression) based on long-term follow-up.

      Methods

      Eligible patients were randomized 1:1 to receive 4 to 6 cycles of chemo with (n=205) or without (n=207) camrelizumab, followed by pemetrexed with or without camrelizumab as maintenance therapy. Crossover to camrelizumab monotherapy was permitted for patients in the chemo alone group who had radiological disease progression. Data on post-study anticancer therapy and outcomes were collected. PFS2 was defined as time from randomization to disease progression after the first disease progression event or death, whichever occurred first. There was no multiplicity adjustment, and nominal one-sided P values are presented. ClinicalTrials.gov number: NCT03134872.

      Results

      At data cutoff on February 25, 2020, the median follow-up duration was 19.3 months (IQR 9.8−23.7). 35 (17.1%) patients in the camrelizumab plus chemo group and 18 (8.7%) in the chemo alone group were still receiving the assigned first-line study treatment. Camrelizumab plus chemo prolonged median overall survival, as compared with chemo alone (27.9 months [95% CI 21.9−not reached] vs 20.5 months [95% CI 15.9−24.­­4]; HR 0.73 [95% CI 0.55−0.96]; P=0.0117). Second-line or later therapy was received by 98 (47.8%) patients in the camrelizumab plus chemo group and 135 (65.2%) patients in the chemo alone group. Median PFS2 was 18.9 months (95% CI 15.7−21.2) vs 12.5 months (95% CI 10.6−15.6) in patients who received vs did not receive first-line camrelizumab (HR 0.66 [95% CI 0.52−0.84]; P=0.0004). Benefits in OS and PFS2 with camrelizumab plus chemo were also found in patients with PD-L1 TPS ≥1% (Table). The safety profile was consistent with the previous report at interim analysis.

      Table.

      OS

      PFS2

      No. events/No. patients

      HR (95% CI)

      P value

      No. events/No. patients

      HR (95% CI)

      P value

      Camrelizumab plus chemo

      Chemo alone

      Camrelizumab plus chemo

      Chemo alone

      All patients (n=412)

      44.9%

      54.6%

      0.73 (0.55−0.96)

      0.0117

      60.0%

      71.5%

      0.66 (0.52−0.84)

      0.0004

      Patients with PD-L1 TPS ≥1% (n=255)

      38.4%

      49.6%

      0.70 (0.48−1.02)

      0.0318

      53.6%

      67.5%

      0.64 (0.46−0.88)

      0.0027

      Conclusion

      Camrelizumab plus carboplatin and pemetrexed as first-line therapy showed long-term benefit in OS and PFS2 compared with chemo alone in Chinese patients with advanced non-squamous NSCLC without EGFR and ALK alterations, despite 48.3% of patients in the chemo alone group receiving subsequent immunotherapy. No new safety signal was observed. This combination represents a potential standard first-line therapy for these patients.

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