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Hidenobu Ishii

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    OA05 - Clinical Trials in IO (ID 899)

    • Event: WCLC 2018
    • Type: Oral Abstract Session
    • Track: Advanced NSCLC
    • Presentations: 1
    • Moderators:
    • Coordinates: 9/24/2018, 13:30 - 15:00, Room 106
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      OA05.05 - Avelumab vs Docetaxel for Previously Treated Advanced NSCLC: Primary Analysis of the Phase 3 JAVELIN Lung 200 Trial (ID 12930)

      14:15 - 14:25  |  Author(s): Hidenobu Ishii

      • Abstract
      • Presentation
      • Slides


      Avelumab is a human anti–PD-L1 IgG1 monoclonal antibody that is an approved treatment for metastatic Merkel cell carcinoma (various regions) and platinum-treated advanced urothelial carcinoma (US). We report findings from a global, open-label, phase 3 trial of avelumab vs docetaxel in patients with advanced NSCLC after platinum failure (NCT02395172).

      a9ded1e5ce5d75814730bb4caaf49419 Method

      Patients with stage IIIB/IV or recurrent NSCLC with disease progression after platinum doublet therapy were randomized 1:1 to avelumab 10 mg/kg Q2W or docetaxel 75 mg/m2 Q3W, stratified by PD-L1 status (PD-L1+/PD-L1−) and histology (squamous/nonsquamous). The primary endpoint was overall survival (OS) in the PD-L1+ population (expression on ≥1% of tumor cells, assessed using the PD-L1 IHC 73-10 assay).

      4c3880bb027f159e801041b1021e88e8 Result

      Between April 2015 and February 2017, 792 patients were randomized to receive avelumab or docetaxel, including 264 and 265 with PD-L1+ tumors, respectively; 0.8% vs 7.5% did not receive study treatment. Median follow-up in the avelumab and docetaxel arms was 18.9 and 17.8 months; 15.5% vs 1.5% remained on treatment at data cutoff (November 22, 2017). In the avelumab and docetaxel arms, 39.8% vs 47.5% received subsequent anticancer therapy after discontinuation, including checkpoint inhibitors in 5.7% vs 26.4%, respectively. In the PD-L1+ population, median OS in the avelumab and docetaxel arms was 11.4 vs 10.3 months (hazard ratio [HR], 0.90 [96% CI, 0.72-1.12]; P=0.1627, 1-sided). Pre-planned exploratory analyses based on higher PD-L1 cutoffs showed increased OS with avelumab vs docetaxel, including PD-L1-high (≥80% cutoff, 29% of patients; 17.1 vs 9.3 months; HR, 0.59 [95% CI, 0.42-0.83]; P=.0022, 2-sided) and PD-L1-medium/high (≥50% cutoff, 40% of patients; 13.6 vs 9.2 months; HR, 0.67 [95% CI, 0.51-0.89]; P=0.0052, 2-sided) subgroups. In the PD-L1+ population (≥1% cutoff), ORR was 18.9% vs 11.7% (odds ratio, 1.76 [95% CI, 1.08-2.86]; P=0.0105, 1-sided); median duration of response was not reached with avelumab (95% CI, 9.9-not estimable [NE]) vs 6.9 months with docetaxel (95% CI, 3.5-NE). Overall rates of treatment-related adverse events (AEs) were lower with avelumab than docetaxel, including all grades (63.9% vs 85.8%) and grade ≥3 (9.9% vs 49.3%). Immune-related AEs occurred in 16.5% of avelumab-treated patients (grade ≥3 in 2.8%).

      8eea62084ca7e541d918e823422bd82e Conclusion

      Avelumab showed increasing clinical activity in patients who had platinum-treated NSCLC with higher tumor PD-L1 expression; however, the trial did not meet its primary objective of improving OS vs docetaxel in PD-L1+ tumors (≥1% cutoff). OS findings may have been confounded by subsequent checkpoint inhibitor therapy in the docetaxel arm.


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