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Giulio Metro



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    MA02 - Improving Outcomes for Patients with Lung Cancer (ID 895)

    • Event: WCLC 2018
    • Type: Mini Oral Abstract Session
    • Track: Advanced NSCLC
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/24/2018, 10:30 - 12:00, Room 201 BD
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      MA02.03 - ASTRIS: A Real World Treatment Study of Osimertinib in Patients with EGFR T790M-Positive NSCLC (ID 12972)

      10:40 - 10:45  |  Author(s): Giulio Metro

      • Abstract
      • Presentation
      • Slides

      Background

      Osimertinib is a third-generation, CNS-active EGFR-TKI that potently and selectively inhibits both EGFR-TKI sensitizing and EGFR T790M resistance mutations. We report results from a second planned protocol, optimal interim analysis of the ongoing ASTRIS study (NCT02474355).

      a9ded1e5ce5d75814730bb4caaf49419 Method

      Eligible patients receive osimertinib 80 mg once daily. Inclusion criteria: stage IIIB/IV T790M-positive non-small cell lung cancer (NSCLC); T790M status confirmed locally by validated test, not restricted by sample type; prior EGFR-TKI therapy received; WHO performance status (PS) 0−2; acceptable organ and bone marrow function and no history of interstitial lung disease (ILD) or QTc prolongation. Asymptomatic, stable CNS metastases are permitted. The primary efficacy outcome is overall survival (OS).

      4c3880bb027f159e801041b1021e88e8 Result

      From Sept 18, 2015, first patient in, to Oct 20 2017 data cut-off (DCO), 3014 patients were enrolled across 16 countries and received ≥1 dose of osimertinib (full analysis set [FAS]): median follow-up 7.9 months (range <1−24), median age 62 yrs (27–92), 64% female, 69% Asian, 30% White, 11% WHO PS 2, 45% prior chemotherapy, 34% prior radiotherapy. All patients had T790M-positive status, identified from tissue in 1610 patients (53%), plasma ctDNA in 1241 patients (41%) and from other sources in 162 patients (5%). At DCO, 1276 patients (42%) had discontinued treatment (1738 [58%] ongoing); median duration of exposure 7.4 months (<1–25); 1289 patients (43%) had a progression-free survival (PFS) event, 1276 (42%) had a time to treatment discontinuation (TTD) event, and 593 (20%) had died. In patients evaluable for response, the investigator-assessed clinical response rate was 56.6% (1625/2872; 95% confidence interval [CI] 54.7, 58.4). In the FAS, estimated median PFS was 11.0 months (95% CI 10.6, 11.1), median TTD was 12.6 months (95% CI 12.2, 13.7), and median OS was not reached (OS at 12 months was 75.8% (95% CI 73.7, 77.8). Adverse events (AEs) leading to dose modification and treatment discontinuation were reported in 321 patients (11%) and 147 patients (5%), respectively. Serious AEs were reported in 505 patients (17%). ILD/pneumonitis-like events were reported in 41 patients (1%), and QTc prolongation in 48 patients (2%).

      8eea62084ca7e541d918e823422bd82e Conclusion

      ASTRIS, the largest reported study of osimertinib in T790M-positive NSCLC, demonstrates clinical activity similar to that observed in the osimertinib clinical trial program with no new safety signals.

      6f8b794f3246b0c1e1780bb4d4d5dc53

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    MA10 - Considerations in Immunotherapy / Real World (ID 911)

    • Event: WCLC 2018
    • Type: Mini Oral Abstract Session
    • Track: Advanced NSCLC
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/25/2018, 10:30 - 12:00, Room 105
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      MA10.06 - Impact of Immune-Related Adverse Events on Survival in Patients with Advanced Non-Small Cell Lung Cancer Treated with Nivolumab (ID 13039)

      11:05 - 11:10  |  Author(s): Giulio Metro

      • Abstract
      • Presentation
      • Slides

      Background

      Anti PD1 and anti PD-L1 monoclonal antibodies represent the standard of care for platinum-pretreated advanced non-small cell lung cancer (NSCLC) patients, having shown to prolong survival compared to chemotherapy in second-line setting in phase III clinical trials. Patients treated with these drugs not infrequently experience immune-related adverse events (irAEs), which we hypothesize might reflect antitumor response. In this study we investigated whether the development of irAEs was associated with nivolumab efficacy in patients with advanced NSCLC.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      We conducted a multicenter retrospective study of patients with advanced NSCLC treated with nivolumab between October 2013 and September 2017. IrAEs were defined as AEs having immunological basis that required intensive monitoring and interventions. We evaluated nivolumab efficacy according to the development of irAEs.

      4c3880bb027f159e801041b1021e88e8 Result

      Among 195 patients (median [range] age, 63 [30-40] years; 128 men [65.6%], 67 women [34.4%]), irAEs were observed in 85 patients (43.6%), including 15 patients (7.6%) with grade 3 or 4 events. Median PFS was 5.7 months in patients with irAEs compared to 2 months of those without irAEs (P < 0.0001). Median OS was 17.8 months compared to 4.04 months of no-irAEs group (P < 0.0001). The survival benefit of irAEs was consistent also in 12- and 6-weeks landmark analysis. Patients who developed ≥ 2 irAEs (n: 37) had a significantly longer median PFS and OS compared to those with one AE (n: 48) or none (n: 110) (PFS: 8.5 months vs. 4.6 vs. 2, P < 0.0001; OS: 26.8 months vs. 11.9 vs. 4, P < 0.0001). Multivariable analysis revealed that irAEs were positively associated with survival outcome, with hazard ratios of 0.48 (95%CI, 0.34-0.77; P < 0.0001) for PFS and 0.38 (95%CI, 0.26-0.56; P < 0.0001) for OS.

      8eea62084ca7e541d918e823422bd82e Conclusion

      This is the largest study conducted to date aimed to evaluate whether the development of irAEs is predictive of nivolumab efficacy in pre-treated NSCLC patients. In this study we confirmed that the development of irAEs was a strong predictor of survival outcomes in NSCLC patients who had received nivolumab in ≥ 2 line setting. This data was consistent in the 12- and 6-weeks landmark analysis, suggesting that an early onset of irAEs might be predictive of durable clinical benefit in NSCLC patients treated with nivolumab. Moreover, patients who experienced ≥ 2 irAEs had a more pronounced survival benefit compared to those with 1 irAE. Further studies are required to investigate the molecular mechanisms underlying this association.

      6f8b794f3246b0c1e1780bb4d4d5dc53

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    P1.01 - Advanced NSCLC (Not CME Accredited Session) (ID 933)

    • Event: WCLC 2018
    • Type: Poster Viewing in the Exhibit Hall
    • Track:
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/24/2018, 16:45 - 18:00, Exhibit Hall
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      P1.01-73 - Preliminary Results of the SENECA (SEcond Line NintEdanib in Non-Small Cell Lung CAncer) Trial: An Italian Experience. (ID 13281)

      16:45 - 18:00  |  Author(s): Giulio Metro

      • Abstract
      • Slides

      Background

      Nintedanib is a multi-target small-molecule with anti-angiogenetic activity which confers longer progression free survival (PFS) and overall survival (OS) as second-line combination treatment with docetaxel versus standard-of-care, in non-squamous non-small cell lung cancer (nsNSCLC) patients, giving to rapidly progressing patients the greatest survival benefit. Considering the higher tolerability of weekly docetaxel than docetaxel q3wks in the real-life, the SENECA trial, a phase IIb, open label, Italian multicentre study, aims to evaluate whether treatment with nintedanib and docetaxel could be effective and safe as second-line option in nsNSCLC patients with the two different schedules.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      Patients from eighteen Italian oncologic centres, with stage IIIB/IV non-oncogene addicted nsNSCLC patients, progressing after first-line chemotherapy, have been treated with docetaxel (T1: 33 mg/mq on days 1 and 8 in a 21-days cycle; T2: 75 mg/mq q3wks) plus continuous oral nintedanib, with the possibility of maintenance in case of stabilization or response. Primary endpoint was PFS (by investigator’s assessment), while secondary endpoints included OS, safety and quality-of-life. Study stratifies patients into two cohorts according to relapse-timing (within or over 3 months) from end of first-line chemotherapy.

      4c3880bb027f159e801041b1021e88e8 Result

      From January 2016 to data cut-off, on 30th March 2018, 197 patients have been evaluated: 30 were registered as screening failures, mainly for contraindications to nintedanib use. The 167 patients considered in this preliminary analysis had a median age of 63.4 years (range 35-86), were predominantly male (68.9%), smokers or former-smokers (84.4%) and with ECOG-performance status 0 (72.5%). According to investigator’s choice, 82 patients have been treated with T1 docetaxel (49.1%), 85 (50.9%) with T2 docetaxel (median docetaxel treatment 3.5 and 3.7 21-days cycles, respectively). No significant differences in median PFS have been observed between T1 and T2 (3.83 vs 4.32 months, respectively; HR 0.889 [95% IC 0.598-1.321], p-value=0.559). After a median follow-up of 7.28 months (standard deviation=5.55), a trend of similar OS has emerged in both T1 and T2 (6.63 vs 7.91 months, respectively; HR 0.770 [95% IC 0.484-1.225], p-value=0.270). Survival data of relapse-timing cohorts are not yet mature. Commonest toxicities in T1 and T2 were: fatigue (53.6% vs 65.9%, respectively), diarrhea (50.0% vs 47.0%), afebrile neutropenia (13.4% vs 52.9%) and ALT elevation (29.3% vs 20.0%).

      8eea62084ca7e541d918e823422bd82e Conclusion

      The SENECA trial is a real-life Italian experience, whose preliminary results confirm the efficacy and safety of second-line treatment with nintedanib and docetaxel for nsNSCLC patients, regardless from docetaxel schedule, suggesting higher toxicities for docetaxel q3wks.

      6f8b794f3246b0c1e1780bb4d4d5dc53

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