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Francis Couturaud

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    MA08 - Clinical Trials in Brain Metastases (ID 906)

    • Event: WCLC 2018
    • Type: Mini Oral Abstract Session
    • Track: Advanced NSCLC
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/24/2018, 15:15 - 16:45, Room 203 BD
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      MA08.10 - Real-Life Intracerebral Efficacy of Nivolumab in Non-Small Cell Lung Cancer Patients with Brain Metastases (ID 14201)

      16:15 - 16:20  |  Author(s): Francis Couturaud

      • Abstract
      • Presentation
      • Slides


      Data regarding intracerebral efficacy of nivolumab in advanced non-small cell lung cancer (NSCLC) are lacking because of routinely exclusion of patients with active brain metastases (BMs) from clinical trials. We aimed at assessing intracranial activity of nivolumab in patients with BMs in a real-life setting and determining the potential role of prior radiotherapy.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      Between 01/09/2015 and 30/09/2016, all consecutive advanced NSCLC patients treated with nivolumab after failure of at least one line of chemotherapy were included. Nivolumab was administered at a dose of 3 mg/kg q2w until progression or unacceptable toxicity. Primary endpoint was intracerebral objective response rate (IORR) assessed by brain magnetic resonance imaging or brain computed-tomography scans. Secondary endpoints were overall response rate (ORR) and median duration of intracerebral response.

      4c3880bb027f159e801041b1021e88e8 Result

      259 patients were treated with nivolumab in 9 centers. Among them, 77 patients who presented BMs before nivolumab initiation were enrolled: 53 (20.5%) at diagnosis and 24 (9.3%) during the course of treatments. Median age at diagnosis was 57 years [29-78]. Most patients were males (72.7%) with smoking history (90.9%) and had adenocarcinoma (72.7%). 23 patients harbored a KRAS mutation. PD-L1 status was unknown. The median of prior lines was 1 [1-6]. BMs were pretreated in 48 (62.3%) patients: 16 received prior SBRT, 32 WBRT. Median time between prior radiotherapy and nivolumab initiation was 4 months [1-;27]. IORR and ORR were 10.4% and 20.8%, respectively. Among the 8 patients with intracerebral response, 5 (6.5%) had pretreated BMs, 3 (3.9%) had radiotherapy-naïve BMs. Median duration of intracerebral response was 11.5 months. No neurological adverse events occurred during nivolumab treatment. Among 259 patients, 36 (13.8%) developed BMs during nivolumab treatment.

      8eea62084ca7e541d918e823422bd82e Conclusion

      Nivolumab intracerebral response achieved 10.4% in real-life with a satisfactory neurological safety profile. If prior radiotherapy improves IORR must be determined by further investigations.


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