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Elvira Del Barco

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    OA01 - Improving Outcomes in Locoregional NSCLC I (ID 892)

    • Event: WCLC 2018
    • Type: Oral Abstract Session
    • Track: Treatment of Locoregional Disease - NSCLC
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/24/2018, 10:30 - 12:00, Room 107
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      OA01.05 - Phase II Study of Neo-Adjuvant Chemo/Immunotherapy for Resectable Stages IIIA Non-Small Cell Lung Cancer- Nadim Study-SLCG (ID 12907)

      11:15 - 11:25  |  Author(s): Elvira Del Barco

      • Abstract
      • Presentation
      • Slides


      The combination of chemotherapy and immunotherapy (CT-IO) has a high response rate and longer survival in unselected patients (pts) with metastatic non-small cell lung cancer (NSCLC). There are no data about this combination in the neoadjuvant setting.

      a9ded1e5ce5d75814730bb4caaf49419 Method

      A Phase II, single-arm, open-label multicenter study of local-advanced resectable stage IIIA N2-NSCLC adult patients with CT plus IO (nivolumab (NV)) followed by adjuvant treatment for 1 year. Neoadjuvant treatment: Three cycles of NV 360mg IV Q3W + paclitaxel 200mg/m2 + carboplatin AUC 6 IV Q3W. After completing neoadjuvant therapy, tumor assessment is performed in patients prior to surgery. Surgery is performed in the 3rd or 4th week after day 21 of the third cycle of neoadjuvant treatment. Adjuvant treatment: NV 240mg IV Q2W for 4 months and NV 480mg IV Q4W for 8 months (total one year) after surgical resection. The study aims to recruit 46 pts. The primary endpoint is Progression-Free Survival (PFS) at 24 months. Efficacy is explored using objective pathologic response criteria. We present preliminary data on patients that completed 3 cycles and underwent surgical resection.

      4c3880bb027f159e801041b1021e88e8 Result

      At the time of submission, 46 pts had been included and 20 underwent surgery. CT-IO was well-tolerated and surgery was not delayed in any patient. None of the pts was withdrawn from the study preoperatively due to progression or toxicity.

      Twenty surgeries had been performed and all tumors were deemed resectable. The overall clinical response rate was 5% complete (CR) and 65% PR. The pathological response evaluated after surgery: 13 cases (65.0%) achieved CR (CPR) (95% CI 40.8-84.6%), and 3 (15.0%) had a major pathologic response (MPR), defined as <10% viable tumor cells in the resection specimen. Considering both CPR and MPR, the overall response rate was 80.0% (95% CI 56.3-94.3%) and 60% of complete responses were unsuspected

      8eea62084ca7e541d918e823422bd82e Conclusion

      This is the first multicentric study testing CT-IO in the neoadjuvant setting with promising antitumor activity in locally advanced, potentially resectable NSCLC yields an unprecedented complete pathologic response rate. The data will be updated at the time of the congress. EudraCT Number: 2016-003732-20


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