A Randomized, Double-blind, Placebo-controlled Phase 3 Trial of Pembrolizumab (MK-3475) Versus Placebo in Participants With Esophageal Carcinoma Receiving Concurrent Definitive Chemoradiotherapy (KEYNOTE 975)
A Randomized, Double-blind, Placebo-controlled Phase 3 Trial of Pembrolizumab (MK-3475) Versus Placebo in Participants With Esophageal Carcinoma Receiving Concurrent Definitive Chemoradiotherapy (KEYNOTE 975)
The purpose of this study is to assess the efficacy and safety of treatment with definitive chemoradiotherapy (dCRT) + pembrolizumab (MK-3475) compared to treatment with dCRT + placebo with respect to Event-free Survival (EFS) and Overall Survival (OS) in:
The primary study hypotheses are that dCRT+ pembrolizumab is better than dCRT + placebo with respect to:
Participants receive pembrolizumab or placebo PLUS one of two chemotherapy regimens PLUS radiation therapy for up to approximately one year. The chemotherapy regimens are either:
Inclusion Criteria:
Exclusion Criteria:
Long Beach, California 90806, United States
Portland, Oregon 97239, United States
Ciudad de Buenos Aires, Buenos Aires F.D. C1093AAS, Argentina
Buenos Aires, C1264AAA, Argentina
Ijuí, Rio Grande do Sul 98700-000, Brazil
Temuco, Araucania 4810218, Chile
Santiago, Region M. de Santiago 8330024, Chile
Fuzhou, Fujian 350025, China
Tianjin, Tianjin Municipality 300060, China
Brno, Brno-mesto 656 53, Czechia
Ostrava, Moravian-Silesian Region 708 52, Czechia
Prague, Praha 5 150 06, Czechia
Stuttgart, Baden-Wurttemberg 70199, Germany
Mainz, Rhineland-Palatinate 55131, Germany
Guatemala City, 01010, Guatemala
Pokfulam, Hong Kong
Gyula, Bekes County 5700, Hungary
Pisa, Tuscany 56126, Italy
Naples, 80131, Italy
Kitaadachi-gun, Saitama 362-0806, Japan
Sunto-gun, Shizuoka 411-8777, Japan
Cuauhtémoc, Ciudad de México, Mexico City 06100, Mexico
Bucharest, Bucharest 022343, Romania
Cluj-Napoca, Cluj 400015, Romania
Ovidiu, Constanța County 905900, Romania
Ufa, Baskortostan, Respublika 450054, Russia
Moscow, Moscow 125367, Russia
Saint Petersburg, Sankt-Peterburg 197022, Russia
Saint Petersburg, Sankt-Peterburg 197758, Russia
Kazan', Tatarstan, Respublika 420029, Russia
Hwasun Gun, Jeonranamdo 58128, South Korea
Songpagu, Seoul 05505, South Korea
Istanbul, Istanbul 34098, Turkey (Türkiye)
Istanbul, 34722, Turkey (Türkiye)
Izmir, 35360, Turkey (Türkiye)
Cambridge, Cambridgeshire CB2 0QQ, United Kingdom
Nottingham, Nottinghamshire NG5 1PB, United Kingdom
London, Worcestershire NW1 2PG, United Kingdom