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Five-year safety and efficacy data from a phase Ib study of nivolumab and chemotherapy in advanced non-small-cell lung cancer.

Shintaro KandaYuichiro OheYasushi GotoHidehito HorinouchiYutaka FujiwaraHiroshi NokiharaNoboru YamamotoTakanori YamamotoTomohide Tamura
Published in: Cancer science (2020)
Combination antiprogrammed death 1/programmed death-ligand 1 Ab and platinum-based chemotherapy is standard first-line treatment for advanced non-small-cell lung cancer without targetable oncogene alterations. We describe the long-term safety and efficacy data from a previously reported phase Ib study of nivolumab and chemotherapy. Japanese patients with non-small-cell lung cancer were assigned to a treatment arm based on histology and treatment history. Nivolumab (10 mg/kg, i.v.) and chemotherapy (4 arms) were given every 3 weeks: arm A, 4 cycles of cisplatin and gemcitabine (first-line); arm B, 4 cycles of cisplatin and pemetrexed followed by pemetrexed maintenance therapy (first-line); arm C, 4-6 cycles of carboplatin, paclitaxel, and bevacizumab followed by bevacizumab (first-line); and arm D, docetaxel (second- or third-line). Study treatments were continued every 3 weeks as maintenance therapy until disease progression. Minimum follow-up period was 57.9 months. Median progression-free survival (median [range, plus sign indicates censored data]) was 6.3 (0.7+-47.8), 11.8 (1.4-65.1+), 40.7 (5.3-60.8+), and 3.2 (1.9-10.9) months, and 5-year progression-free survival was observed in 0/6, 1/6, 1/6, and 0/6 patients in arms A, B, C, and D, respectively. Median overall survival was 13.2 (11.0-55.4), 28.5 (14.6-66.2+), not reached (24.2-67.4+), and 12.5 (9.8-16.9) months; the number of patients surviving 5 years were 0/6, 1/6, 4/6, and 0/6 in arms A, B, C, and D, respectively. No unexpected severe adverse events or treatment-related deaths occurred. Nivolumab and platinum-based chemotherapy combinations showed long-term tolerability. A moderate proportion of patients in arm C showed 5-year progression-free and overall survival.
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