Long-Term Outcomes and Retreatment Among Patients With Previously Treated, Programmed Death-Ligand 1Positive, Advanced NonSmall-Cell Lung Cancer in the KEYNOTE-010 Study

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Herbst, Roy S.; Garon, Edward B.; Kim, Dong-Wan; Cho, Byoung Chul; Perez-Gracia, Jose L.; Han, Ji-Youn; Arvis, Catherine Dubos; Majem, Margarita; Forster, Martin D.; Monnet, Isabelle; Novello, Silvia; Szalai, Zsuzsanna; Gubens, Matthew A.; Su, Wu-Chou; Ceresoli, Giovanni Luca; Samkari, Ayman; Jensen, Erin H.; Lubiniecki, Gregory M.; Baas, Paul

Issue Date
American Society of Clinical Oncology
Journal of Clinical Oncology, Vol.38 No.14, pp.1580-1590
PURPOSE In the KEYNOTE-010 study, pembrolizumab improved overall survival (OS) versus docetaxel in previously treated, programmed death-ligand 1 (PD-L1)expressing advanced nonsmall-cell lung cancer (NSCLC) in patients with a tumor proportion score (TPS) >= 50% and >= 1%. We report KEYNOTE-010 long-term outcomes, including after 35 cycles/2 years or second-course pembrolizumab. METHODS Of 1,033 patients randomly assigned (intention to treat), 690 received up to 35 cycles/2 years of pembrolizumab 2 mg/kg (n = 344) or 10 mg/kg (n = 346) every 3 weeks, and 343 received docetaxel 75 mg/m(2) every 3 weeks. Eligible patients with disease progression after 35 cycles/2 years of pembrolizumab could receive second-course treatment (up to 17 cycles). Pembrolizumab doses were pooled because no between-dose difference was observed at primary analysis. RESULTS Pembrolizumab continued to improve OS over docetaxel in the PD-L1 TPS >= 50% and >= 1% groups (hazard ratio [HR], 0.53; 95% CI, 0.42 to 0.66; P < .00001; and HR, 0.69; 95% CI, 0.60 to 0.80; P < .00001, respectively) after a 42.6-month (range, 35.2-53.2 months) median follow-up. Estimated 36-month OS rates were 34.5% versus 12.7% and 22.9% versus 11.0%, respectively. Grade 3-5 treatment-related adverse events occurred in 16% versus 37% of patients, respectively. Seventy-nine of 690 patients completed 35 cycles/2 years of pembrolizumab; 12-month OS and progression-free survival rates after completing treatment were 98.7% (95% CI, 91.1% to 99.8%) and 72.5% (95% CI, 59.9% to 81.8%), respectively. Seventy-five patients (95%) had objective response (RECIST v1.1, blinded independent central review) and 48 (64%) had ongoing response. Grade 3-5 treatment-related adverse events occurred in 17.7% of patients. Fourteen patients received second-course pembrolizumab: 5 completed 17 cycles, 6 (43%) had partial response, and 5 (36%) had stable disease. CONCLUSION Pembrolizumab provided long-term OS benefit over docetaxel, with manageable safety, durable responses among patients receiving 2 years of treatment, and disease control with second-course treatment, further supporting pembrolizumab for previously treated, PD-L1expressing advanced NSCLC.
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)Journal Papers (저널논문_의학과)
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