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)

PHASE3Active, not recruitingINTERVENTIONAL
Enrollment

1,174

Participants

Timeline

Start Date

March 7, 2017

Primary Completion Date

October 14, 2025

Study Completion Date

October 14, 2025

Conditions
Triple Negative Breast Neoplasms
Interventions
BIOLOGICAL

Pembrolizumab

On Day 1 of each cycle in the neoadjuvant and adjuvant phases of the study for a total of 17 cycles; intravenous (IV) infusion.

DRUG

Carboplatin

On Day 1 of Cycles 1-4 of the neoadjuvant phase of the study OR on Days 1, 8, 15 of Cycles 1-4 of the neoadjuvant phase of the study; IV infusion.

DRUG

Paclitaxel

On Days 1, 8 and 15 of Cycles 1-4 in the neoadjuvant phase of the study; IV infusion.

DRUG

Doxorubicin

On Day 1 of Cycles 5-8 of the neoadjuvant phase of the study; IV injection.

DRUG

Epirubicin

On Day 1 of Cycles 5-8 of the neoadjuvant phase of the study; IV injection.

DRUG

Cyclophosphamide

On Day 1 of Cycles 5-8 of the neoadjuvant phase of the study; IV infusion.

DRUG

Placebo

normal saline solution or dextrose: On Day 1 of each cycle in the neoadjuvant and adjuvant phases of the study for a total of 17 cycles; IV infusion

BIOLOGICAL

Granulocyte colony stimulating factor: Filgrastim or Pegfilgastrim

For prevention of neutropenia, filgrastim 5 μg/kg/day via subcutaneous (SC) injection administered per standard of care after chemotherapy OR pegfilgastrim 100 µg/kg (individualized) or 6 mg (general approach) via SC injection administered per standard of care.

Trial Locations (193)

100

National Taiwan University Hospital ( Site 2301), Taipei

105

MacKay Memorial Hospital ( Site 2303), Taipei

333

Linkou Chang Gung Memorial Hospital ( Site 2300), Taoyuan District

704

National Cheng Kung University Hospital ( Site 2305), Tainan City

2065

Royal North Shore Hospital ( Site 2000), Sydney

2145

Westmead Hospital ( Site 2002), Sydney

3145

Cabrini Health ( Site 2009), Malvern East

3199

Frankston Hospital ( Site 2010), Franskton

4029

Royal Brisbane and Women s Hospital ( Site 2003), Herston

5000

Royal Adelaide Hospital ( Site 2008), Adelaide

6008

St John of God Subiaco Hospital ( Site 2006), Perth

10960

Nyack Hospital Infusion Center ( Site 0059), Nyack

11217

Taipei Veterans General Hospital ( Site 2302), Taipei

11259

Koo Foundation Sun Yat-Sen Cancer Center ( Site 2304), Taipei

13125

HELIOS Klinikum Berlin-Buch ( Site 1005), Berlin

13790

Broome Oncology, LLC ( Site 8002), Johnson City

14000

Centre Francois Baclesse ( Site 0907), Caen

14004

Hospital Universitario Reina Sofia ( Site 1304), Córdoba

15213

Magee - Women's Hospital ( Site 0011), Pittsburgh

15706

Complejo Hospitalario Universitario de Santiago ( Site 1308), Santiago de Compostela

19713

Christiana Hospital ( Site 0029), Newark

20141

Istituto Europeo di Oncologia ( Site 1106), Milan

20246

Universitaetsklinikum Hamburg-Eppendorf ( Site 1007), Hamburg

22030

Trakya University Medical Faculty Balkan Oncology Hospital ( Site 1901), Edirne

22031

Virginia Cancer Specialists, PC ( Site 8009), Fairfax

22903

University of Virginia ( Site 0022), Charlottesville

23114

Bon Secours Cancer Institute Medical Oncology at St. Mary's ( Site 0033), Midlothian

23502

Virginia Oncology Associates ( Site 8000), Norfolk

23601

Peninsula Cancer Institute, LLC ( Site 0041), Newport News

25000

CHU Jean Minjoz ( Site 0917), Besançon

25100

Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia ( Site 1103), Brescia

28034

Hospital Universitario Ramon y Cajal ( Site 1300), Madrid

28223

Hospital Quiron de Madrid ( Site 1303), Pozuelo de Alarcón

31059

Institut Claudius Regaud IUCT Oncopole ( Site 0914), Toulouse

33077

Polyclinique Bordeaux Nord Aquitaine ( Site 0911), Bordeaux

33176

Univ of Miami-Sylvester Comprehensive Cancer Center- Kendall satellite ( Site 0079), Miami

34098

İstanbul University Cerrahpaşa Medical Faculty ( Site 1904), Istanbul

34365

Amerikan Hospital Medical ( Site 1902), Istanbul

34384

Memorial Sisli Hastanesi ( Site 1913), Istanbul

34662

Acibadem Altunizade Hastanesi ( Site 1900), Istanbul

35040

Ege University Medical Faculty Tulay Aktas Oncology Hospital ( Site 1905), Izmir

35575

Izmir Medical Park Hospital Department of Medical Oncology ( Site 1907), Izmir

38138

The West Clinic, P.C. ( Site 0078), Germantown

41013

Hospital Universitario Virgen del Rocio ( Site 1314), Seville

44277

Hopital prive du Confluent ( Site 0902), Nantes

45136

Kliniken Essen Mitte ( Site 1012), Essen

45220

TriHealth Cancer Institute-Good Samaritan Hospital ( Site 0044), Cincinnati

45242

Oncology Hematology Care, Inc. ( Site 8011), Cincinnati

46011

Hospital Clinico Univ de Valencia ( Site 1313), Valencia

46526

Goshen Center for Cancer Care ( Site 0010), Goshen

47014

Istituto Scientifico Romagnolo per Studio e Cura Tumori IRST ( Site 1101), Meldola

48202

Henry Ford Hospital ( Site 0003), Detroit

52242

University of Iowa Hospital and Clinics ( Site 0038), Iowa City

53111

Gynaekologisches Zentrum ( Site 1004), Bonn

55100

Ospedale San Luca, AZIENDA USL2 TOSCANA NORD OVEST ( Site 1105), Lucca

55280

Samsun Ondokuz Mayıs Universitesi Tıp Fakultesi Hastanesi ( Site 1910), Samsun

55404

Minnesota Oncology Hematology, PA ( Site 8013), Minneapolis

60077

Orchard Healthcare Research Inc. ( Site 0049), Skokie

60201

North Shore University Health System ( Site 0081), Evanston

62100

Ospedale Civile di Macerata ( Site 1104), Macerata

63001

Centre Jean Perrin ( Site 0903), Clermont-Ferrand

66113

Caritasklinik St. Theresia ( Site 1011), Saarbrücken

72015

Clinique Victor Hugo ( Site 0901), Le Mans

72076

Universitaets-Frauenklinik Tuebingen ( Site 1003), Tübingen

75005

Institut Curie ( Site 0909), Paris

75010

Hopital Saint Louis ( Site 0908), Paris

75020

Hopital Diaconesses Croix Saint Simon ( Site 0905), Paris

75075

Texas Oncology- Plano East ( Site 8010), Plano

75235

Parkland Health and Hospital System ( Site 0093), Dallas

75246

Texas Oncology-Baylor Charles A. Sammons Cancer Center ( Site 8006), Dallas

75702

Texas Oncology-Tyler ( Site 8007), Tyler

76104

Moncrief Cancer Institute ( Site 0092), Fort Worth

77024

Texas Oncology-Memorial City ( Site 8003), Houston

77030

Houston Methodist Cancer Center ( Site 0013), Houston

78217

Texas Oncology-San Antonio Northeast ( Site 8012), San Antonio

78731

Texas Oncology-Austin Central ( Site 8005), Austin

80045

University of Colorado Cancer Center ( Site 0021), Aurora

80131

Istituto Nazionale Tumori IRCCS Fondazione Pascale ( Site 1102), Napoli

80337

Klinikum der Universit. Muenchen ( Site 1002), München

85268

Virginia G. Piper Cancer Center Pharmacy - Scottsdale Healthcare ( Site 0089), Scottsdale

85711

Arizona Oncology Associates PC- HOPE ( Site 8001), Tucson

86021

CHU de la Miletrie Poitiers ( Site 0913), Poitiers

90048

Cedars Sinai Medical Center ( Site 0091), Los Angeles

90603

ICRI ( Site 0072), Whittier

91054

Universitaetsklinikum Erlangen ( Site 1001), Erlangen

93940

Pacific Cancer Care ( Site 0069), Monterey

97213

Providence Portland Medical Center ( Site 0052), Portland

97227

Northwest Cancer Specialists, P.C. ( Site 8008), Portland

98109

Seattle Cancer Care Alliance ( Site 0068), Seattle

98902

YVMH dba Vrigina Mason Memorial/North Star Lodge Cancer Center ( Site 8004), Yakima

99208

Medical Oncology Associates (Summit Cancer Centers) ( Site 0014), Spokane

99336

Kadlec Clinic Hematology and Oncology ( Site 0087), Kennewick

110231

Hospital Universitario San Ignacio ( Site 0401), Bogotá

110411

Instituto Nacional de Cancerologia [Bogota-Colombia] ( Site 0403), Bogotá

115478

Russian Oncological Research Center n.a. N.N.Blokhin of MoH ( Site 1801), Moscow

163045

Arkhangelsk Clinical Oncological Dispensary ( Site 1810), Arkhangelsk

169610

National Cancer Centre Singapore ( Site 2600), Singapore

197758

Scientific Research Oncology Institute n.a. N.N.Petrov ( Site 1803), Saint Petersburg

230002

Oncomedica S.A. ( Site 0404), Montería

390046

GBU RO Regional Clinical Oncological Dispensary ( Site 1808), Ryazan

420029

Republican Clinical Oncology Dispensary of Tatarstan MoH ( Site 1806), Kazan'

450054

Republican Clinical Oncology Dispensary of Republic of Bashkortostan ( Site 1804), Ufa

454087

Chelyabinsk Regional Clinical Oncological Dispensary ( Site 1805), Chelyabinsk

661002

Oncologos del Occidente S.A. ( Site 0405), Pereira

760001

Hemato Oncologos S.A. ( Site 0400), Santiago de Cali

4941492

Rabin-Medical Center ( Site 1604), Petah Tikva

5265601

Sheba Medical Center ( Site 1602), Ramat Gan

6423906

Sourasky Medical Center ( Site 1603), Tel Aviv

7030001

Assaf Harofeh MC ( Site 1605), Beer Yaakov-Zerifin

8410101

Oncology institute ( Site 1601), Beersheba

9112001

Hadassah Ein Karem - Sharett Institute of Oncology ( Site 1600), Jerusalem

06510

Yale University School of Medicine ( Site 0054), New Haven

Ozel Medicana International Ankara Hastanesi ( Site 1915), Ankara

60637-1447

The University of Chicago Medical Center ( Site 0047), Chicago

04074

New England Cancer Specialists ( Site 0005), Scarborough

08903

Rutgers Cancer Institute of New Jersey ( Site 0073), New Brunswick

02903

Rhode Island Hospital ( Site 0060), Providence

75390-9015

Simmons Cancer Center ( Site 0094), Dallas

75390-9179

UT Southwestern Medical Center ( Site 0030), Dallas

91350-200

Hospital Nossa Senhora da Conceicao ( Site 0203), Porto Alegre

85806-300

UOPECCAN - Uniao Oeste Paranaense de Estudos e Combate ao Cancer ( Site 0206), Cascavel

95070-560

Universidade de Caxias do Sul ( Site 0201), Caxias do Sul

81520-060

Hospital Erasto Gaertner ( Site 0207), Curitiba

60430-230

Instituto do Cancer do Ceara ( Site 0205), Fortaleza

74605-070

Hospital Araujo Jorge ( Site 0204), Goiânia

90610-900

Hospital Sao Lucas da PUCRS ( Site 0200), Porto Alegre

15090-000

Fundacao Faculdade Regional de Medicina de Sao Jose do Rio Preto ( Site 0208), São José do Rio Preto

01246-000

Instituto do Cancer de Sao Paulo - ICESP ( Site 0211), São Paulo

T2N 4N2

Tom Baker Cancer Centre ( Site 0105), Calgary

K1H 8L6

The Ottawa Hospital - Cancer Care ( Site 0100), Ottawa

M5G 2M9

Princess Margaret Cancer Centre ( Site 0103), Toronto

H2X 0C1

Centre Hospitalier de l Universite de Montreal - CHUM ( Site 0106), Montreal

H3T 1E2

Jewish General Hospital ( Site 0101), Montreal

G1S 4L8

CHU de Quebec Universite Laval - Hopital du Saint-Sacrement ( Site 0104), Québec

J1H 5N4

CIUSSS de l'Estrie-CHUS ( Site 0102), Sherbrooke

050024

Instituto De Cancerologia S.A. ( Site 0406), Medellín

06120

Universitaetsklinik und Poliklinik Halle/Saale ( Site 1008), Halle

T12 DV56

Bon Secours Hospital ( Site 1551), Cork

D04 T6F4

St Vincents University Hospital ( Site 1550), Dublin

464-8681

Aichi Cancer Center Hospital ( Site 2502), Nagoya

277-8577

National Cancer Center Hospital East ( Site 2518), Kashiwa

003-0804

National Hospital Organization Hokkaido Cancer Center ( Site 2512), Sapporo

663-8501

Hyogo College of Medicine Hospital ( Site 2506), Nishinomiya

259-1193

Tokai University Hospital ( Site 2517), Isehara

216-8511

St. Marianna University School of Medicine Hospital ( Site 2516), Kawasaki

589-8511

Kindai University Hospital ( Site 2507), Sayama

350-1298

Saitama Medical University International Medical Center ( Site 2513), Hidaka

362-0806

Saitama Cancer Center ( Site 2510), Kitaadachi-gun

411-8777

Shizuoka Cancer Center Hospital and Research Institute ( Site 2514), Sunto-gun

260-8717

Chiba Cancer Center ( Site 2519), Chiba

730-8518

Hiroshima City Hiroshima Citizens Hospital ( Site 2501), Hiroshima

892-0833

Social medical corporation Hakuaikai Sagara Hospital ( Site 2508), Kagoshima

860-8556

Kumamoto University Hospital ( Site 2515), Kumamoto

540-0006

National Hospital Organization Osaka National Hospital ( Site 2505), Osaka

104-0045

National Cancer Center Hospital ( Site 2500), Tokyo

104-8560

St.Luke's International Hospital ( Site 2511), Tokyo

105-8470

Toranomon Hospital ( Site 2503), Tokyo

135-8550

The Cancer Institute Hospital of JFCR ( Site 2509), Tokyo

05-135

Mazowiecki Szpital Onkologiczny ( Site 1713), Wieliszew

44-101

Centrum Onkologii Instytut im. Marii Skłodowskiej Curie ( Site 1717), Gliwice

85-796

Centrum Onkologii im. Prof. Franciszka Lukaszczyka ( Site 1708), Bydgoszcz

Centrum Onkologii im. Prof. Franciszka Lukaszczyka ( Site 1712), Bydgoszcz

81-519

Szpital Morski im. PCK. Szpitale Pomorskie Sp. Z o.o ( Site 1701), Gdynia

31-115

Centrum Onkologii Instytut im. Marii Sklodowskiej Curie ( Site 1719), Krakow

20-090

Centrum Onkologii Ziemi Lubelskiej im. sw. Jana z Dukli ( Site 1700), Lublin

53-413

Dolnoslaskie Centrum Onkologii. ( Site 1702), Wroclaw

1400-038

Fundacao Champalimaud ( Site 2444), Lisbon

1600-190

Hospital de Santa Maria, E.P.E. ( Site 2445), Lisbon

4200-072

Instituto Portugues de Oncologia Do Porto Francisco Gentil E.P.E. ( Site 2446), Porto

03080

Seoul National University Hospital ( Site 2101), Seoul

03722

Severance Hospital Yonsei University Health System ( Site 2100), Seoul

05505

Asan Medical Center ( Site 2102), Seoul

06351

Samsung Medical Center ( Site 2103), Seoul

08908

ICO L Hospitalet ( Site 1305), L'Hospitalet de Llobregat

08003

Hospital del Mar ( Site 1306), Barcelona

08023

Instituto Oncologico Baselga.Hospital Quiron. ( Site 1312), Barcelona

08035

Hospital General Universitari Vall d Hebron ( Site 1301), Barcelona

581 85

Linkopings Universitetssjukhus ( Site 1402), Linköping

171 64

Karolinska Universitetssjukhuset Solna ( Site 1404), Solna

901 85

Norrlands Universitetssjukhus ( Site 1401), Umeå

751 85

Akademiska Sjukhuset ( Site 1403), Uppsala

01130

Adana Acıbadem Hospital Department of Medical Oncology ( Site 1906), Adana

01250

Baskent Unıversity Adana Kısla Hospital ( Site 1903), Adana

06100

Hacettepe Universitesi Tip Fakultesi Hastanesi ( Site 1912), Ankara

06200

Abdurrahman Yurtaslan Oncology Training and Research Hospital ( Site 1909), Ankara

07020

Antalya Memorial Hospital Department of Medical Oncology ( Site 1908), Antalya

CO4 5JL

Colchester General Hospital ( Site 1508), Colchester

EC1M 6BQ

Barts Cancer Institute ( Site 1500), London

SW17 0QT

St George s Hospital ( Site 1516), London

ME16 9QQ

Maidstone Hospital ( Site 1511), Maidstone

TS4 3BW

The James Cook University Hospital ( Site 1515), Middlesbrough

NG5 1PB

Nottingham University Hospitals NHS Trust ( Site 1505), Nottingham

TR1 3LJ

Royal Cornwall Hospitals NHS Trust ( Site 1504), Truro

All Listed Sponsors
lead

Merck Sharp & Dohme LLC

INDUSTRY