Study of Pembrolizumab (MK-3475) Plus Chemotherapy vs Placebo Plus Chemotherapy as Neoadjuvant Therapy and Pembrolizumab vs Placebo as Adjuvant Therapy in Participants with Triple Negative Breast Cancer (TNBC) (MK-3475-522/KEYNOTE-522)

Trial Identifier: 3475-522
Sponsor: MSD
Start Date: March 2017
Primary Completion Date: September 2025
Study Completion Date: September 2025
Condition: Cancer - Other

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
Australia Franskton, Australia, 3199
Australia Herston, Australia, 4029
Australia Perth, Australia, 6008
Australia, NSW Sydney, NSW, Australia, 2065
Australia, NSW Sydney, NSW, Australia, 2145
Australia, SA Adelaide, SA, Australia, 5000
Australia, VIC East Malvern, VIC, Australia, 3145
Brazil Cascavel, Brazil, 85806-300
Brazil Caxias do Sul, Brazil, 95070-560
Brazil Curitiba, Brazil, 81520-060
Brazil Fortaleza, Brazil, 60430-230
Brazil Goiania, Brazil, 74605-070
Brazil Porto Alegre, Brazil, 90610-900
Brazil Sao Jose do Rio Preto, Brazil, 15090-000
Brazil Sao Paulo, Brazil, 01246-000
Brazil, Rio Grande do Sul Porto Alegre, Rio Grande do Sul, Brazil, 91350-200
Canada, AB Calgary, AB, Canada, T2N 4N2
Canada, ON Ottawa, ON, Canada, K1H 8L6
Canada, ON Toronto, ON, Canada, M5G 2M9
Canada, QC Montreal, QC, Canada, H3T 1E2
Canada, QC Montreal, QC, Canada, H2X 0C1
Canada, QC Quebec, QC, Canada, G1S 4L8
Canada, QC Sherbrooke, QC, Canada, J1H 5N4
Colombia Bogota, Colombia, 110231
Colombia Bogota, Colombia, 110411
Colombia Cali, Colombia, 760001
Colombia Medellin, Colombia, 050024
Colombia, Cordoba Monteria, Cordoba, Colombia, 230002
Colombia, Risaralda Pereira, Risaralda, Colombia, 661002
France Besancon, France, 25000
France Bordeaux, France, 33077
France Caen, France, 14000
France Clermont-Ferrand Cedex 01, France, 63001
France Le Mans, France, 72015
France Nantes, France, 44277
France Paris, France, 75020
France Paris, France, 75010
France Paris, France, 75005
France Poitiers, France, 86021
France Toulouse Cedex 9, France, 31059
Germany Berlin, Germany, 13125
Germany Bonn, Germany, 53111
Germany Erlangen, Germany, 91054
Germany Essen, Germany, 45136
Germany Halle, Germany, 06120
Germany Hamburg, Germany, 20246
Germany Muenchen, Germany, 80337
Germany Saarbruecken, Germany, 66113
Germany Tubingen, Germany, 72076
Ireland Cork, Ireland, T12 DV56
Ireland Dublin, Ireland, D04 T6F4
Israel Beer Sheva, Israel, 8410101
Israel Beer Yaakov-Zerifin, Israel, 7030001
Israel Jerusalem, Israel, 9112001
Israel Petah Tikva, Israel, 4941492
Israel Ramat-Gan, Israel, 5265601
Israel Tel Aviv, Israel, 6423906
Italy Brescia, Italy, 25100
Italy Lucca, Italy, 55100
Italy Macerata, Italy, 62100
Italy Milano, Italy, 20141
Italy Napoli, Italy, 80131
Italy, FC Meldola, FC, Italy, 47014
Japan, Aichi Nagoya, Aichi, Japan, 464-8681
Japan, Chiba Chiba, Japan, 260-8717
Japan, Chiba Kashiwa, Chiba, Japan, 277-8577
Japan, Hiroshima Hiroshima, Japan, 730-8518
Japan, Hokkaido Sapporo, Hokkaido, Japan, 003-0804
Japan, Hyogo Nishinomiya, Hyogo, Japan, 663-8501
Japan, Kagoshima Kagoshima, Japan, 892-0833
Japan, Kanagawa Isehara, Kanagawa, Japan, 259-1193
Japan, Kanagawa Kawasaki, Kanagawa, Japan, 216-8511
Japan, Kumamoto Kumamoto, Japan, 860-8556
Japan, Osaka Osaka, Japan, 540-0006
Japan, Osaka Osakasayama, Osaka, Japan, 589-8511
Japan, Saitama Hidaka, Saitama, Japan, 350-1298
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, 105-8470
Japan, Tokyo Tokyo, Japan, 135-8550
Japan, Tokyo Tokyo, Japan, 104-8560
Korea, Republic of Seoul, Korea, Republic of, 03722
Korea, Republic of Seoul, Korea, Republic of, 03080
Korea, Republic of Seoul, Korea, Republic of, 05505
Korea, Republic of Seoul, Korea, Republic of, 06351
Poland Bydgoszcz, Poland, 85-796
Poland Gdynia, Poland, 81-519
Poland Krakow, Poland, 31-115
Poland Lublin, Poland, 20-090
Poland Wroclaw, Poland, 53-413
Poland, Mazowieckie Wieliszew, Mazowieckie, Poland, 05-135
Poland, Slaskie Gliwice, Slaskie, Poland, 44-101
Portugal Lisboa, Portugal, 1400-038
Portugal Lisboa, Portugal, 1600-190
Portugal Porto, Portugal, 4200-072
Russian Federation Arkhangelsk, Russian Federation, 163045
Russian Federation Chelyabinsk, Russian Federation, 454087
Russian Federation Kazan, Russian Federation, 420029
Russian Federation Moscow, Russian Federation, 115478
Russian Federation Ryazan, Russian Federation, 390046
Russian Federation Saint Petersburg, Russian Federation, 197758
Russian Federation Ufa, Russian Federation, 450054
Singapore Singapore, Singapore, 169610
Spain Barcelona, Spain, 08035
Spain Barcelona, Spain, 08003
Spain Barcelona, Spain, 08023
Spain Cordoba, Spain, 14004
Spain Madrid, Spain, 28034
Spain Santiago de Compostela, Spain, 15706
Spain Sevilla, Spain, 41013
Spain Valencia, Spain, 46011
Spain, Barcelona Hospitalet de Llobregat, Barcelona, Spain, 08908
Spain, Madrid Pozuelo de Alarcon, Madrid, Spain, 28223
Sweden Linkoping, Sweden, 581 85
Sweden Solna, Sweden, 171 64
Sweden Umea, Sweden, 901 85
Sweden Uppsala, Sweden, 751 85
Taiwan Tainan, Taiwan, 704
Taiwan Taipei, Taiwan, 100
Taiwan Taipei, Taiwan, 105
Taiwan Taipei, Taiwan, 11259
Taiwan Taoyuan, Taiwan, 333
Taiwan, Beitou Taipei, Beitou, Taiwan, 11217
Turkey Adana, Turkey, 01250
Turkey Adana, Turkey, 01130
Turkey Ankara, Turkey, 06200
Turkey Ankara, Turkey, 06100
Turkey Ankara, Turkey, 06510
Turkey Antalya, Turkey, 07020
Turkey Edirne, Turkey, 22030
Turkey Istambul, Turkey, 34662
Turkey Istanbul, Turkey, 34365
Turkey Istanbul, Turkey, 34098
Turkey Istanbul, Turkey, 34384
Turkey Izmir, Turkey, 35040
Turkey Izmir, Turkey, 35575
Turkey, Atakum Samsun, Atakum, Turkey, 55280
United Kingdom London, United Kingdom, EC1M 6BQ
United Kingdom London, United Kingdom, SW17 0QT
United Kingdom Maidstone, United Kingdom, ME16 9QQ
United Kingdom Middlesbrough, United Kingdom, TS4 3BW
United Kingdom Nottingham, United Kingdom, NG5 1PB
United Kingdom Truro, United Kingdom, TR1 3LJ
United Kingdom, Essex Colchester, Essex, United Kingdom, CO4 5JL
United States, AZ Scottsdale, AZ, United States, 85268
United States, AZ Tucson, AZ, United States, 85711
United States, CA Los Angeles, CA, United States, 90048
United States, CA Monterey, CA, United States, 93940
United States, CA Whittier, CA, United States, 90603
United States, CO Aurora, CO, United States, 80045
United States, CT New Haven, CT, United States, 06510
United States, DE Newark, DE, United States, 19713
United States, FL Miami, FL, United States, 33176
United States, IA Iowa CIty, IA, United States, 52242
United States, IL Chicago, IL, United States, 60637-1447
United States, IL Evanston, IL, United States, 60201
United States, IL Skokie, IL, United States, 60077
United States, IN Goshen, IN, United States, 46526
United States, ME Scarborough, ME, United States, 04074
United States, MI Detroit, MI, United States, 48202
United States, MN Minneapolis, MN, United States, 55404
United States, NJ New Brunswick, NJ, United States, 08903
United States, NY Johnson City, NY, United States, 13790
United States, NY Nyack, NY, United States, 10960
United States, OH Cincinnati, OH, United States, 45220
United States, OH Cincinnati, OH, United States, 45242
United States, OR Portland, OR, United States, 97213
United States, OR Portland, OR, United States, 97227
United States, PA Pittsburgh, PA, United States, 15213
United States, RI Providence, RI, United States, 02903
United States, TN Germantown, TN, United States, 38138
United States, TX Austin, TX, United States, 78731
United States, TX Dallas, TX, United States, 75235
United States, TX Dallas, TX, United States, 75390-9015
United States, TX Dallas, TX, United States, 75390-9179
United States, TX Dallas, TX, United States, 75246
United States, TX Fort Worth, TX, United States, 76104
United States, TX Houston, TX, United States, 77030
United States, TX Houston, TX, United States, 77024
United States, TX Plano, TX, United States, 75075
United States, TX San Antonio, TX, United States, 78217
United States, TX Tyler, TX, United States, 75702
United States, VA Charlottesville, VA, United States, 22903
United States, VA Fairfax, VA, United States, 22031
United States, VA Midlothian, VA, United States, 23114
United States, VA Newport News, VA, United States, 23601
United States, VA Norfolk, VA, United States, 23502
United States, WA Kennewick, WA, United States, 99336
United States, WA Seattle, WA, United States, 98109
United States, WA Spokane, WA, United States, 99208
United States, WA Yakima, WA, United States, 98902