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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
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
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).
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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