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P1.04 - Immunooncology (Not CME Accredited Session) (ID 936)
- Event: WCLC 2018
- Type: Poster Viewing in the Exhibit Hall
- Presentations: 1
- Coordinates: 9/24/2018, 16:45 - 18:00, Exhibit Hall
P1.04-31 - Efficacy and Tolerance of Immune-Checkpoint Inhibitors in EGFR, ALK/ROS 1 Non-Small-Cell-Lung-Cancer (NSCLC): GFPC 03-2016 IMAD Study (ID 11166)
16:45 - 18:00 | Author(s): Henri Janicot
Patients with molecular alterations are considered to be poor candidates for immune- checkpoint inhibitors (ICI) on the second-line phase III trials. Here, we analyze the efficacy of ICI in EGFR /ALK/ROS1 NSCLC patients in real world settinga9ded1e5ce5d75814730bb4caaf49419 Method
This retrospective, multicentric study in EGFR, ALK and ROS1 NSCLC treated by ICI, analyzed clinical characteristics and outcomes (progression free survival (PFS), duration of ICI treatment and overall survival (OS), since initiation of ICI .4c3880bb027f159e801041b1021e88e8 Result
51 patients were included from 20 centers in France: 100% adenocarcinoma, 60.7% never smokers, 58.8% female, 58 ± 8.8 years age at diagnosis (36-83), 82.3% EGFR mutated, 15.7 % and 2% ALK and ROS 1 translocated respectively. ICI was a third line treatment in 35,3% of cases, a fourth and more lines treatment in 64,7% of cases. Median PFS was 2.1. [95% CI: 1.5-3.2] months for the whole population, 2.15 [95% CI: 1.4-3;2], for EGFR patients and 2.4 [95% CI: 2.1; NR] for ALK tranlocated patients; 3 months-PFS were 37,3% [95% CI: 26.1; 53.2]; 8 weeks ORR were 19.6% (10 pts with partial response). The median OS for the whole population was 14.7.[95%CI: 12.1-19.2] months, 13.9 [95% CI: 8.8-20] for EGFR patients, 19.2. [95% CI: 13.1-NR] for ALK translocated; 7 (13.7%) patients were treated more than 9 months by ICI; 21.6% (11/51) of patients reported toxicities, all < grade3.
In this real-world setting analysis, efficacy of ICI in EGFR, ALK, ROS1 NSCLC patients appears close to the efficacy observed in pretreated unselected NSCLC patients. Large prospective studies are needed in these populations6f8b794f3246b0c1e1780bb4d4d5dc53
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