Study of Pembrolizumab (MK-3475) Plus Chemotherapy Versus Placebo Plus Chemotherapy in Participants with Gastric or Gastroesophageal Junction (GEJ) Adenocarcinoma (MK-3475-585/KEYNOTE-585)

Trial Identifier: 3475-585
Sponsor: MSD
Start Date: October 2017
Primary Completion Date: February 2024
Study Completion Date: February 2025
Condition: Esophageal cancer; Gastric Cancer

Available Languages

For questions about your Trial Results Summary, please see Sponsor contact section within your Trial Results Summary.

Language Description
Protocol Plain Language Summary – English

Trial Locations

Country Location
Belgium, Bruxelles-Capitale, Region de Brussels, Bruxelles-Capitale, Region de, Belgium, 1000
Belgium, Bruxelles-Capitale, Region de Brussels, Bruxelles-Capitale, Region de, Belgium, 1070
Belgium, Bruxelles-Capitale, Region de Bruxelles, Bruxelles-Capitale, Region de, Belgium, 1200
Belgium, Hainaut Charleroi, Hainaut, Belgium, 6000
Belgium, Liege Liège, Liege, Belgium, 4000
Belgium, Namur Yvoir, Namur, Belgium, 5530
Belgium, Oost-Vlaanderen Gent, Oost-Vlaanderen, Belgium, 9000
Belgium, Vlaams-Brabant Leuven, Vlaams-Brabant, Belgium, 3000
Belgium, West-Vlaanderen Kortrijk, West-Vlaanderen, Belgium, 8500
Brazil, Ceara Fortaleza, Ceara, Brazil, 60430-230
Brazil, Rio de Janeiro Rio de Janeiro, Brazil, 20230-130
Brazil, Rio Grande do Sul Porto Alegre, Rio Grande do Sul, Brazil, 90610-000
Brazil, Santa Catarina Florianopolis, Santa Catarina, Brazil, 88034-000
Brazil, Sao Paulo Barretos, Sao Paulo, Brazil, 14784-400
Brazil, Sao Paulo Sao Jose Rio Preto, Sao Paulo, Brazil, 15090-000
Brazil, Sao Paulo Sao Paulo, Brazil, 01246-000
Brazil, Sao Paulo Sao Paulo, Brazil, 05652-900
Canada, AB Edmonton, AB, Canada, T6G 1Z2
Canada, NB Moncton, NB, Canada, E1C 6Z8
Canada, ON Toronto, ON, Canada, M4N 3M5
Canada, QC Greenfield Park, QC, Canada, J4V 2H1
Canada, QC Montreal, QC, Canada, H3T 1E2
Canada, QC Montreal, QC, Canada, H1T 2M4
Canada, QC Quebec, QC, Canada, G1R 2J6
Canada, QC Sherbrooke, QC, Canada, J1H 5N4
Chile, Araucania Temuco, Araucania, Chile, 4810469
Chile, Lbtdr Gen Bernardo O Higgins Rancagua, Lbtdr Gen Bernardo O Higgins, Chile, 2820000
Chile, Region M. de Santiago Santiago, Region M. de Santiago, Chile, 8330032
Chile, Region M. de Santiago Santiago, Region M. de Santiago, Chile, 7500921
Chile, Region M. de Santiago Santiago, Region M. de Santiago, Chile, 8380456
China, Beijing Beijing, China, 100142
China, Zhejiang Hangzhou, Zhejiang, China, 310022
China, Zhejiang Hangzhou, Zhejiang, China, 430030
Estonia, Harjumaa Tallinn, Harjumaa, Estonia, 13419
France, Auvergne Lyon, Auvergne, France, 69008
France, Bouches-du-Rhone Marseille, Bouches-du-Rhone, France, 13009
France, Champagne-Ardenne Reims, Champagne-Ardenne, France, 51092
France, Finistere Brest, Finistere, France, 29200
France, Haute-Garonne Toulouse, Haute-Garonne, France, 31059
France, Herault Montpellier, Herault, France, 34298
France, Ille-et-Vilaine Rennes, Ille-et-Vilaine, France, 35042
France, Loire-Atlantique Saint Herblain, Loire-Atlantique, France, 44805
France, Nord Lille, Nord, France, 59037
France, Paris Paris, France, 75014
France, Paris Paris, France, 75012
France, Vienne Poitiers, Vienne, France, 86021
Germany, Baden-Wurttemberg Esslingen, Baden-Wurttemberg, Germany, 73730
Germany, Baden-Wurttemberg Freiburg, Baden-Wurttemberg, Germany, 79106
Germany, Bayern Muenchen, Bayern, Germany, 81377
Germany, Hamburg Hamburg, Germany, 20249
Germany, Niedersachsen Hannover, Niedersachsen, Germany, 30625
Germany, Nordrhein-Westfalen Essen, Nordrhein-Westfalen, Germany, 45136
Germany, Rheinland-Pfalz Mainz, Rheinland-Pfalz, Germany, 55131
Germany, Sachsen Dresden, Sachsen, Germany, 01307
Guatemala, Guatemala Guatemala, Guatemala, 01015
Guatemala, Guatemala Guatemala, Guatemala, 01010
Guatemala, Quetzaltenango Quetzaltenango, Guatemala, 09002
Israel, HaDarom Beer Sheva, HaDarom, Israel, 8410101
Israel, HaMerkaz Kfar Saba, HaMerkaz, Israel, 4428164
Israel, N/A Haifa, N/A, Israel, 31096
Israel, N/A Jerusalem, N/A, Israel, 9112001
Israel, N/A Petah Tikva, N/A, Israel, 4941492
Israel, N/A Ramat Gan, N/A, Israel, 5265601
Israel, Tell Abib Tel-Aviv, Tell Abib, Israel, 6423906
Italy, Abruzzo Padova, Abruzzo, Italy, 35128
Italy, Lombardia Milano, Lombardia, Italy, 20133
Italy, Milano Rozzano, Milano, Italy, 20089
Italy, Milano San Donato Milanese, Milano, Italy, 20097
Italy, Modena Modena, Italy, 41125
Italy, Napoli Napoli, Italy, 80131
Italy, Udine Udine, Italy, 33100
Japan, Aichi Nagoya, Aichi, Japan, 464-8681
Japan, Chiba Chiba, Japan, 260-8717
Japan, Chiba Kashiwa, Chiba, Japan, 277-8577
Japan, Ehime Matsuyama, Ehime, Japan, 791-0280
Japan, Fukuoka Fukuoka, Japan, 811-1395
Japan, Fukuoka Fukuoka, Japan, 812-8582
Japan, Gifu Gifu, Japan, 501-1194
Japan, Hiroshima Hiroshima, Japan, 730-8518
Japan, Hokkaido Sapporo, Hokkaido, Japan, 060-8648
Japan, Hyogo Akashi, Hyogo, Japan, 673-8558
Japan, Hyogo Kobe, Hyogo, Japan, 650-0047
Japan, Hyogo Kobe, Hyogo, Japan, 650-0017
Japan, Ibaraki Kasama, Ibaraki, Japan, 309-1793
Japan, Iwate Shiwa-gun, Iwate, Japan, 028-3695
Japan, Kanagawa Kawasaki, Kanagawa, Japan, 216-8511
Japan, Kanagawa Yokohama, Kanagawa, Japan, 241-8515
Japan, Kochi Kochi, Japan, 781-8555
Japan, Kumamoto Kumamoto, Japan, 860-8556
Japan, Niigata Niigata, Japan, 951-8566
Japan, Osaka Hirakata, Osaka, Japan, 573-1191
Japan, Osaka Osaka, Japan, 558-8558
Japan, Osaka Osaka, Japan, 541-8567
Japan, Osaka Suita, Osaka, Japan, 565-0871
Japan, Osaka Takatsuki, Osaka, Japan, 569-8686
Japan, Saitama Kitaadachi-gun, Saitama, Japan, 362-0806
Japan, Shizuoka Sunto-gun, Shizuoka, Japan, 411-8777
Japan, Tokyo Tokyo, Japan, 104-0045
Japan, Tokyo Tokyo, Japan, 113-8677
Japan, Tokyo Tokyo, Japan, 135-8550
Japan, Toyama Toyama, Japan, 930-8550
Korea, Republic of, Incheon Incheon, Korea, Republic of, 21565
Korea, Republic of, Jeonranamdo Hwasun gun, Jeonranamdo, Korea, Republic of, 58128
Korea, Republic of, Kyonggi-do Seongnam-si, Kyonggi-do, Korea, Republic of, 13620
Korea, Republic of, Seoul Seoul, Korea, Republic of, 03080
Korea, Republic of, Seoul Seoul, Korea, Republic of, 03722
Korea, Republic of, Seoul Seoul, Korea, Republic of, 05505
Korea, Republic of, Seoul Seoul, Korea, Republic of, 02841
Korea, Republic of, Seoul Seoul, Korea, Republic of, 07061
Korea, Republic of, Seoul Seoul, Korea, Republic of, 06273
Korea, Republic of, Taegu-Kwangyokshi Daegu, Taegu-Kwangyokshi, Korea, Republic of, 41404
Latvia, Riga Riga, Latvia, 1079
Lithuania, Kaunas Kaunas, Lithuania, 50161
Lithuania, Vilnius Vilnius, Lithuania, 08460
Lithuania, Vilnius Vilnius, Lithuania, 08406
Malaysia, Kuala Lumpur Kuala Lumpur, Malaysia, 59100
Malaysia, Kuala Lumpur Kuala Lumpur, Malaysia, 50586
Philippines, National Capital Region Quezon City, National Capital Region, Philippines, 1102
Poland, Dolnoslaskie Wroclaw, Dolnoslaskie, Poland, 51-124
Poland, Lubelskie Lublin, Lubelskie, Poland, 20-080
Poland, Malopolskie Krakow, Malopolskie, Poland, 31-501
Poland, Mazowieckie Warszawa, Mazowieckie, Poland, 02-034
Poland, Mazowieckie Wieliszew, Mazowieckie, Poland, 05-135
Poland, Pomorskie Koscierzyna, Pomorskie, Poland, 83-400
Poland, Slaskie Bielsko-Biala, Slaskie, Poland, 43-300
Poland, Slaskie Gliwice, Slaskie, Poland, 44-101
Poland, Slaskie Rybnik, Slaskie, Poland, 44-200
Russian Federation, Kaluzskaja oblast Kaluga, Kaluzskaja oblast, Russian Federation, 248007
Russian Federation, Leningradskaya oblast Saint Petersburg, Leningradskaya oblast, Russian Federation, 194291
Russian Federation, Moskva Moscow, Moskva, Russian Federation, 105203
Russian Federation, Moskva Moscow, Moskva, Russian Federation, 115478
Russian Federation, Sankt-Peterburg Saint Petersburg, Sankt-Peterburg, Russian Federation, 197758
Russian Federation, Sankt-Peterburg Saint-Petersburg, Sankt-Peterburg, Russian Federation, 188663
Russian Federation, Sankt-Peterburg Sankt-Petersburg, Sankt-Peterburg, Russian Federation, 198255
Russian Federation, Tomskaya oblast Tomsk, Tomskaya oblast, Russian Federation, 634028
Singapore, Central Singapore Singapore, Central Singapore, Singapore, 119074
Singapore, Central Singapore Singapore, Central Singapore, Singapore, 258499
Singapore, Central Singapore Singapore, Central Singapore, Singapore, 169610
Taiwan, New Taipei New Taipei, Taiwan, 235
Taiwan, Tainan Tainan, Taiwan, 704
Taiwan, Taipei Taipei, Taiwan, 10002
Taiwan, Taipei Taipei, Taiwan, 104
Taiwan, Taipei Taipei, Taiwan, 11259
Taiwan, Taoyuan Taoyuan, Taiwan, 333
Ukraine, Dnipropetrovska oblast Dnipro, Dnipropetrovska oblast, Ukraine, 49102
Ukraine, Dnipropetrovska oblast Kryviy Rih, Dnipropetrovska oblast, Ukraine, 50048
Ukraine, Ivano-Frankivska oblast Ivano-Frankivsk, Ivano-Frankivska oblast, Ukraine, 76018
Ukraine, Kharkivska oblast Kharkiv, Kharkivska oblast, Ukraine, 61070
Ukraine, Kyivska oblast Kyiv, Kyivska oblast, Ukraine, 03022
Ukraine, Kyivska oblast Kyiv, Kyivska oblast, Ukraine, 03115
United Kingdom, Bristol, City of Bristol, Bristol, City of, United Kingdom, BS2 8ED
United Kingdom, Dundee City Dundee, Dundee City, United Kingdom, DD1 9SY
United Kingdom, London, City of London, London, City of, United Kingdom, NW3 2QG
United Kingdom, London, City of London, London, City of, United Kingdom, SW3 6JJ
United Kingdom, London, City of London, London, City of, United Kingdom, W2 1NY
United Kingdom, Manchester Manchester, United Kingdom, M20 4BX
United Kingdom, Surrey Sutton, Surrey, United Kingdom, SM2 5PT
United States, CA Duarte, CA, United States, 91010
United States, CT New Haven, CT, United States, 06520
United States, DC Washington, DC, United States, 20007
United States, IL Chicago, IL, United States, 60637
United States, IL Chicago, IL, United States, 60611
United States, NY Buffalo, NY, United States, 14263
United States, NY New York, NY, United States, 10016
United States, NY New York, NY, United States, 10065
United States, NY Rochester, NY, United States, 14642
United States, PA Philadelphia, PA, United States, 19111
United States, PA Philadelphia, PA, United States, 19140
United States, UT Salt Lake City, UT, United States, 84112
United States, VA Fairfax, VA, United States, 22031