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M. Macerelli



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    MA 11 - Emerging Diagnostic/Biomarkers in NSCLC (ID 668)

    • Event: WCLC 2017
    • Type: Mini Oral
    • Track: Advanced NSCLC
    • Presentations: 1
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      MA 11.11 - Italian Nivolumab Expanded Access Program in Non-Squamous NSCLC Patients: Results in Never Smokers and EGFR Positive Patients (ID 8404)

      12:10 - 12:15  |  Author(s): M. Macerelli

      • Abstract
      • Presentation
      • Slides

      Background:
      Nivolumab is the first checkpoint inhibitor approved for the treatment of non-Squamous non small cell lung cancer (non-Sq-NSCLC). Although smoking habits are considered a relevant risk factor related to the onset of lung cancer, previous studies showed that current and former smokers patients (pts) treated with nivolumab may have a greater advantage in terms of clinical benefit than never smokers and EGFR mutated. Nevertheless, to date, no definitive conclusion may be drawn and no data are available from a real world setting. Here we report the data from Italian expanded access program (EAP) in the never smoker pts and EGFR mutated pts.

      Method:
      Nivolumab was provided upon physicians’ request for pts aged ≥18 years who had relapsed after a minimum of one prior systemic treatment for stage IIIB/stage IV non-Sq-NSCLC. Nivolumab 3 mg/kg was administered intravenously every 2 weeks for <24 months. Pts included in the analysis received ≥1 dose of nivolumab and were monitored for adverse events (AEs) using Common Terminology Criteria for Adverse Events.

      Result:
      Overall, of 1588 patients with non-Sq-NSCLC, smoking history was available for 1430 pts and 305 (21%) were never smokers and, among 1455 pts evaluable for EGFR mutation, 102 (7%) were positive. In the never smoker group, EGFR status was available for 287 pts, with 51 (18%) who harbored an activating EGFR mutation. Among never smokers, with a median follow-up (FU) of 7.0 months (0.1-20.3) and a median of 7 doses (1-38), the best objective response rate (BORR), the disease control rate (DCR) and the median overall survival (OS) were 9%, 42% and 10.0 months (8.1-11.9), respectively. Among all EGFR positive pts, with a median FU of 5.5 months (0.1-21.2) and a median of 6 doses (1-40), the BORR, DCR and median OS were 9%, 30% and 8.3 months (2.2-14.4), respectively. In the never smoker group, EGFR positive pts had 2% ORR, 26% DCR and 5.6 months (3.4-7.8) of median OS. However, it should be considered that these pts had poorer prognostic factors (ECOG performance status, brain metastasis) at baseline.

      Conclusion:
      These preliminary results represent the first real-life data regarding the efficacy of nivolumab in special subpopulations, including never smokers and EGFR positive pts. These results warrants further studies to evaluate the possible therapeutic options in these pts, also taking into account available alternatives and safety profile.

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