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Ofer Rotem



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    OA11 - Decomplexifying Molecular Targets, Immunotherapy and Treatment Settings in the Real World (ID 137)

    • Event: WCLC 2019
    • Type: Oral Session
    • Track: Treatment in the Real World - Support, Survivorship, Systems Research
    • Presentations: 1
    • Now Available
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      OA11.06 - Alternative Nivolumab (N) Duration and Scheduling in Advanced Non-Small Cell Lung Cancer (aNSCLC): Real-Life Data (Now Available) (ID 1921)

      14:00 - 15:30  |  Author(s): Ofer Rotem

      • Abstract
      • Presentation
      • Slides

      Background

      Little is known regarding the optimal scheduling and treatment (Tx) duration of N in aNSCLC. Stopping N after 1 year of Tx negatively affects outcomes.

      Method

      45 consecutive aNSCLC patients (pts) receiving N for ≥2 years (y) were identified in the electronic databases of 4 Israeli cancer centers. These were divided into Groups A (N continued for >2y at a dose 3mg/kg q2w/240mg q2w; n-21), B (N continued for >2y at a dose 3mg/kg q3w-q8w/480mg q4w; n-17), and C (N stopped at 2y for reason other than progressive disease or intolerable toxicity; n-7). PFS (RECIST 1.1) and safety since 2y after N initiation were assessed.

      Result

      Baseline, treatment characteristics and outcomes are presented in the Table and the Picture. Allocation to Group B and C was associated with HR for PFS-2.4 (95%CI, 0.3-18.8, p-0.4) and HR for PFS-3.3 (95%CI, 0.3-30.9, p-0.3), respectively. After 2y since N initiation, new N-related toxicity developed in 24%, 18%, and 28% of pts in Groups A, B, and C, respectively (p-NS).

      table wclc.jpgpicture wclc.jpg

      Conclusion

      A trend for worse outcomes was observed with alternative N scheduling/N quitting 2y after initiation. So far, continuing N at a standard dose until disease progression/ intolerable toxicity remains the standard treatment option.

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