Safety and Efficacy of Pembrolizumab (MK-3475) Versus Placebo as Adjuvant Therapy in Participants With Hepatocellular Carcinoma (HCC) and Complete Radiological Response After Surgical Resection or Local Ablation (MK-3475-937 / KEYNOTE-937)

National Taiwan University Hospital ( Site 0330), Taipei

Taipei Veterans General Hospital ( Site 0331), Taipei

Chang Gung Medical Foundation. Linkou ( Site 0332), Taoyuan District

National Cheng Kung University Hospital ( Site 0334), Tainan City

Chang Gung Medical Foundation. Kaohsiung Branch ( Site 0335), Kaohsiung City

CHUV (centre hospitalier universitaire vaudois) ( Site 0712), Lausanne

Erasme Hospital ( Site 0376), Brussels

Semmelweis University ( Site 0480), Budapest

Auckland City Hospital ( Site 0246), Auckland

Hopitaux Universitaires de Geneve HUG ( Site 0711), Geneva

Royal Prince Alfred Hospital AW ( Site 0225), Camperdown

Liverpool Hospital ( Site 0226), Liverpool

Herlev Hospital ( Site 0421), Herlev

UZ Leuven ( Site 0377), Leuven

Alfred Health ( Site 0230), Melbourne

Universitaetsspital Bern ( Site 0710), Bern

St Vincents Hospital Melbourne ( Site 0227), Fitzroy

Monash Health ( Site 0233), Clayton

Complex Cancer Center Plovdiv-First Medical Oncology Department ( Site 0982), Plovdiv

Debreceni Egyetem Klinikai Kozpont Onkologiai Tanszek ( Site 0481), Debrecen

University Hospital Basel ( Site 0709), Basel

Princess Alexandra Hospital ( Site 0228), Woollongabba

Royal Adelaide Hospital ( Site 0234), Adelaide

Odense Universitets Hospital ( Site 0422), Odense C

Royal Perth Hospital ( Site 0229), Perth

Bacs-Kiskun Megyei Korhaz-Onkoradiologiai Kozpont ( Site 0483), Kecskemét

SZTE Szent-Gyorgyi Albert Klinikai Kozpont ( Site 0482), Szeged

Somogy Megyei Kaposi Mór Oktató Kórház-Oncology center ( Site 0484), Kaposvár

Christchurch Hospital ( Site 0247), Christchurch

Universitaetsspital Zurich ( Site 0713), Zurich

Aarhus Universitets hospital ( Site 0420), Aarhus N

Kantonsspital Winterthur ( Site 0714), Winterthur

UZ Gent ( Site 0375), Ghent

Kantonsspital St. Gallen ( Site 0708), Sankt Gallen

Gleneagles Penang ( Site 0290), George Town

Penang Adventist Hospital ( Site 0289), George Town

Ramathibodi Hospital. ( Site 0352), Bangkok

National Cancer Center ( Site 0314), Goyang-si

Siriraj Hospital ( Site 0351), Bangkok

North Shore-Long Island Jewish Health System ( Site 0068), Lake Success

Hopital de la Timone ( Site 0442), Marseille

Charite - Campus Virchow Klinikum ( Site 0457), Berlin

Seoul National University Bundang Hospital ( Site 0313), Seongnam-si

Complejo Hospitalario Universitario de Santiago ( Site 0668), Santiago de Compostela

Hospital Universiti Sains Malaysia ( Site 0295), Kubang Kerian

Hospital Universitario de Donostia ( Site 0671), Donostia / San Sebastian

Fondazione IRCCS Ca' Granda-Ospedale Maggiore Policlinico ( Site 0550), Milan

Fondazione IRCCS Istituto Nazionale dei Tumori di Milano ( Site 0540), Milan

Universitaetsklinikum Hamburg-Eppendorf ( Site 0469), Hamburg

Hospital General Universitario Gregorio Maranon ( Site 0676), Madrid

Hospital Ramon y Cajal ( Site 0673), Madrid

Hospital Universitario La Paz ( Site 0677), Madrid

Hospital Universitario Puerta de Hierro ( Site 0678), Majadahonda

Medizinische Hochschule Hannover ( Site 0458), Hanover

CHU Rangueil ( Site 0441), Toulouse

Hospital Central de Asturias ( Site 0667), Oviedo

VM Medical Park Hastanesi ( Site 0739), Mersin

CHU Bordeaux Haut-Leveque ( Site 0437), Pessac

Regional Cancer Center ( Site 0054), Fort Myers

Bezmialem Vakif University School of Medicine ( Site 0732), Istanbul

CHU Montpellier. ( Site 0443), Montpellier

Acıbadem Maslak Hastanesi ( Site 0742), Istanbul

Göztepe Prof. Dr. Süleyman Yalçın Şehir Hastanesi-oncology ( Site 0730), Istanbul

Dokuz Eylul Universitesi ( Site 0740), Izmir

Vanderbilt Ingram Cancer Center ( Site 0006), Nashville

Srinagarind Hospital ( Site 0354), Khon Kaen

AOU di Bologna Policliico S. Orsola-Malpighi ( Site 0541), Bologna

James Graham Brown Cancer Center ( Site 0088), Louisville

University of Louisville ( Site 0059), Louisville

Universitaetsklinikum Duesseldorf ( Site 0461), Düsseldorf

China Medical University Hospital ( Site 0333), Taichung

Hospital Universitario Virgen del Rocio ( Site 0670), Seville

A O U Policlinico di Modena ( Site 0548), Modena

Konya Necmettin Erbakan University Medical Faculty ( Site 0736), Konya

ProMedica Flower Hospital ( Site 0090), Sylvania

Inonu University Faculty of Medicine ( Site 0729), Malatya

University of Cincinnati Medical Center ( Site 0084), Cincinnati

Miami Valley Hospital South ( Site 0093), Centerville

Indiana University Simon Cancer Center ( Site 0075), Indianapolis

Henry Ford Hospital-GI/Hepatology Research ( Site 0047), Detroit

Hospital Universitario Miguel Servet-Gastroenterology ( Site 0682), Zaragoza

Azienda Ospedaliero Universitaria Careggi ( Site 0549), Florence

Maharaj Nakorn Chiangmai Hospital ( Site 0353), Chiang Mai

Universitaetsklinikum Koeln ( Site 0463), Cologne

University of Iowa ( Site 0067), Iowa City

Azienda Ospedaliero Universitaria Pisana ( Site 0546), Pisa

Regional Clinical Onco Dispensary_ State Medical University ( Site 0782), Chernivtsi

Hopital Claude Huriez CHRU LILLE ( Site 0440), Lille

University Malaya Medical Centre ( Site 0288), Kuala Lumpur

Namik Kemal Universitesi Tip Fakultesi ( Site 0738), Tekirdağ

Krankenhaus Nord-West GmbH ( Site 0472), Frankfurt am Main

Universitaetsklinikum Frankfurt ( Site 0467), Frankfurt am Main

Regional Oncology Center of Kharkiv ( Site 0777), Kharkiv

Institut Kanser Negara - National Cancer Institute ( Site 0294), Putrajaya Wilayah Persekutuan

MI Odessa Regional Oncological Centre ( Site 0776), Odesa

HUS Hopital Hautepierre ( Site 0445), Strasbourg

CI City Clinical Hospital # 3 ( Site 0783), Zaporizhzhia

University Medical Center New Orleans ( Site 0014), New Orleans

Istituto Tumori Giovanni Paolo II ( Site 0543), Bari

Universitaetsklinikum Tuebingen ( Site 0466), Tübingen

Stephenson Cancer Center ( Site 0045), Oklahoma City

SLK-Kliniken Heilbronn GmbH ( Site 0460), Heilbronn

Baylor Scott & White Medical Center - Temple ( Site 0089), Temple

Ospedale del Mare ( Site 0545), Napoli

Klinikum rechts der Isar der Technischen Universitaet ( Site 0470), Munich

Banner MD Anderson Cancer Center ( Site 0026), Gilbert

The University of Arizona Cancer Center - North Campus ( Site 0039), Tucson

University of New Mexico ( Site 0041), Albuquerque

Azienda Ospedaliera Ospedali Riuniti Villa Sofia-Cervello ( Site 0547), Palermo

City of Hope Medical Center ( Site 0027), Duarte

Hopital Beaujon ( Site 0439), Clichy

Sarawak General Hospital ( Site 0293), Kuching

Hopital Paul Brousse ( Site 0447), Villejuif

Universitaetsklinikum Wuerzburg ( Site 0468), Würzburg

Virginia Mason Medical Center ( Site 0028), Seattle

Cancer Hospital Chinese Academy of Medical Sciences ( Site 0156), Beijing

Peking University People's Hospital ( Site 0191), Beijing

Beijing Cancer Hospital ( Site 0155), Beijing

Blokhin National Medical Oncology ( Site 0645), Moscow

City Clinical Hospital 1 na. NI. Pirogov ( Site 0662), Moscow

First Moscow State Medical University n.a. I.M.Sechenov ( Site 0661), Moscow

Hadassah Medical-Clinical Research Department ( Site 0920), Moscow

National Medical Research Radiological Centre ( Site 0660), Moscow

Road Hospital JSC Russian railways ( Site 0649), Saint Petersburg

Russian Scientific Center of Radiology and Surgical Technologies ( Site 0665), Saint Petersburg

City Clinical Oncology Center ( Site 0646), Saint Petersburg

Fudan University Shanghai Cancer Center ( Site 0161), Shanghai

Zhongshan Hospital Fudan University ( Site 0193), Shanghai

Renji Hospital Shanghai Jiaotong University School of Medicine ( Site 0174), Shanghai

Zhongshan Hospital affiliated to Fudan University ( Site 0153), Shanghai

Anhui Provincil Hospital South District ( Site 0181), Hefei

Zhejiang Cancer Hospital ( Site 0171), Hangzhou

Fujian Provincial Cancer Hospital ( Site 0165), Fuzhou

900 Hospital of the Joint ( Site 0197), Fuzhou

The Third Xiangya Hospital of Central South University ( Site 0167), Changsha

Hunan Provincial People Hospital ( Site 0192), Changsha

Hunan Cancer Hospital ( Site 0168), Changsha

Wuhan Union Hospital ( Site 0173), Wuhan

Hubei Cancer Hospital ( Site 0189), Wuhan

Samara Regional Clinical Oncology Center ( Site 0656), Samara

Guangdong General Hospital ( Site 0166), Guangzhou

Southern Medical University Nanfang Hospital ( Site 0172), Guangzhou

Privolzhsky District Medical Center ( Site 0655), Nizhny Novgorod

West China Hospital of Sichuan University ( Site 0162), Chengdu

Tomsk Scientific Research Institute of Oncology ( Site 0657), Tomsk

Altay Regional Oncology Dispensary ( Site 0919), Barnaul

Siberian Clinical Center of FMBA ( Site 0918), Krasnoyarsk

Krasnoyarsk Regional Clinical Oncological Dispensary ( Site 0648), Krasnoyarsk

The First Affiliated Hospital of Xi an Jiaotong University ( Site 0164), Xi’an

Affiliated Tumor Hospital of Xinjiang Medical University ( Site 0157), Ürümqi

Rambam Medical Center ( Site 0524), Haifa

Rabin Medical Center ( Site 0520), Petah Tikva

Chaim Sheba Medical Center ( Site 0523), Ramat Gan

Kindai University Hospital ( Site 0116), Sayama

Sourasky Medical Center ( Site 0522), Tel Aviv

Hiroshima University Hospital ( Site 0117), Hiroshima

Haddassah Medical Organization - Ein Kerem ( Site 0519), Jerusalem

Smilow Cancer Hospital at Yale New Haven ( Site 0042), New Haven

Massachusetts General Hospital ( Site 0062), Boston

Boston Medical Center ( Site 0025), Boston

Beth Israel Deaconess Medical Ctr. ( Site 0033), Boston

University of Massachusetts Worcester ( Site 0017), Worcester

Hospital Universitario Austral ( Site 0795), Pilar

Fundación favaloro para la Docencia e Investigación Médica ( Site 0808), Buenos Aires

Hospital Provincial del Centenario ( Site 0794), Rosario

Hospital Aleman ( Site 0806), Buenos Aires

Hospital Italiano ( Site 0793), Buenos Aires

Hospital Britanico de Buenos Aires ( Site 0792), Buenos Aires

Clinica de nefrologia urologia y enfermedades cardiovasculares ( Site 0802), Santa Fe

University Hospital Antwerp (UZA) ( Site 0374), Edegem

CIONC - Centro Integrado de Oncologia de Curitiba ( Site 0813), Curitiba

Hospital de Cancer de Pernambuco ( Site 0815), Recife

Hospital de Clinicas de Porto Alegre ( Site 0824), Porto Alegre

Clinica de Oncologia Reichow ( Site 0818), Blumenau

Centro de Novos Tratamentos Itajai - Clinica de Neoplasias Litoral ( Site 0820), Itajaí

Hospital Paulistano ( Site 0829), São Paulo

Real e Benemerita Associacao Portuguesa de Beneficencia ( Site 0828), São Paulo

Instituto COI de Pesquisa Educacao e Gestao ( Site 0825), Rio de Janeiro

Instituto do Cancer do Estado de Sao Paulo - ICESP ( Site 0826), São Paulo

A.C. Camargo Cancer Center ( Site 0827), São Paulo

Casa de Saude Santa Marcelina ( Site 0821), São Paulo

Nova Scotia Health Authority QEII-HSC ( Site 0208), Halifax

Centre Hospitalier de l Universite de Montreal - CHUM ( Site 0211), Montreal

McGill University Health Centre ( Site 0207), Montreal

Staedtisches Klinikum Dresden ( Site 0471), Dresden

Universitatsklinikum Carl Gustav Carus ( Site 0459), Dresden

Prince of Wales Hospital ( Site 0268), Hong Kong

Pamela Youde Nethersole Eastern Hospital ( Site 0271), Hong Kong

Queen Mary Hospital ( Site 0267), Hong Kong

Tuen Mun Hospital ( Site 0272), Tuenmen

Azienda Ospedaliera Ordine Mauriziano di Torino ( Site 0542), Turin

St Vincent's University Hospital ( Site 0498), Dublin

Tallaght University Hospital ( Site 0499), Dublin

Ehime University Hospital ( Site 0123), Tōon

Kurume University Hospital ( Site 0119), Kurume

Hokkaido P.W.F.A.C Sapporo-Kosei General Hospital ( Site 0102), Sapporo

Kanazawa University Hospital ( Site 0111), Kanazawa

Kagawa University Hospital ( Site 0121), Kita-gun

Kagawa Prefectural Central Hospital ( Site 0122), Takamatsu

Toranomon Hospital Kajigaya ( Site 0109), Kawasaki

Yokohama City University Medical Center ( Site 0110), Yokohama

Saitama Medical University Hospital ( Site 0104), Iruma-gun

Kyorin University Hospital ( Site 0106), Mitaka

Musashino Red Cross Hospital ( Site 0107), Musashino

Chiba University Hospital ( Site 0103), Chiba

National Hospital Organization Kyushu Medical Center ( Site 0118), Fukuoka

University Hospital, Kyoto Prefectural University of Medicine ( Site 0112), Kyoto

Japanese Red Cross Osaka Hospital ( Site 0113), Osaka

Osaka Metropolitan University Hospital. ( Site 0114), Osaka

Saga-Ken Medical Centre Koseikan ( Site 0120), Saga

Toranomon Hospital ( Site 0108), Tokyo

The University of Tokyo Hospital ( Site 0105), Tokyo

Wakayama Medical University Hospital ( Site 0115), Wakayama

Oslo Universitetssykehus HF. Ulleval ( Site 0433), Oslo

Izerskie Centrum Pulmonologii i Chemioterapii IZER-MED Spolka z o.o. ( Site 0607), Szklarska Poręba

Samodzielny Publiczny Szpital Kliniczny nr 1 w Lublinie ( Site 0620), Lublin

MTZ Clinical Research Sp. z o. o. ( Site 0608), Warsaw

Copernicus PL Sp. z o.o. ( Site 0603), Gdansk

ID Clinic ( Site 0619), Mysłowice

SPZOZ MSWIA z Warminsko-Mazurskim Centrum Onkologii w Olsztynie ( Site 0606), Olsztyn

Szpital Wojewodzki im. Mikolaja Kopernika ( Site 0604), Koszalin

Seoul National University Hospital ( Site 0312), Seoul

Severance Hospital Yonsei University Health System ( Site 0309), Seoul

Asan Medical Center ( Site 0310), Seoul

Samsung Medical Center ( Site 0311), Seoul

The Catholic University of Korea. Seoul St. Mary s Hospital ( Site 0315), Seoul

Hospital Universitari Parc Tauli ( Site 0681), Sabadell

Hospital Universitari Vall d Hebron ( Site 0674), Barcelona

Skane University Hospital ( Site 0692), Malmo

Karolinska Universitetssjukhuset, Huddinge ( Site 0689), Stockholm

Norrlands Universitetssjukhus ( Site 0687), Umeå

Sahlgrenska Universitetssjukhuset ( Site 0691), Gothenburg

Baskent Unv. Adana Uyg. ve Arast. Hastanesi ( Site 0733), Adana

Gulhane Egitim ve Arastirma Hastanesi ( Site 0741), Ankara

Ankara Sehir Hastanesi ( Site 0731), Ankara

Adnan Menderes University Medical Faculty ( Site 0737), Aydin

National Cancer Institute of the MoH of Ukraine ( Site 0779), Kyiv

Shalimov s NI of Surgery and Transplantation ( Site 0781), Kyiv

Universal Clinic Oberig-Oncology Center ( Site 0786), Kyiv

Medical Center Dobrobut Clinic ( Site 0785), Kyiv

Cambridge University Hospitals NHS Trust ( Site 0755), Cambridge

Weston Park Hospital ( Site 0753), Sheffield

The Beatson West of Scotland Cancer Centre ( Site 0750), Glasgow

Kings College Hospital NHS Foundation Trust ( Site 0758), London

Belfast City Hospital ( Site 0752), Belfast

The Clatterbridge Cancer Centre NHS Foundation Trust ( Site 0757), Birkenhead

University Hospital Coventry and Warwickshire NHS Trust ( Site 0754), Coventry

Leeds Teaching Hospitals NHS Trust ( Site 0751), Leeds

Nottingham University Hospitals NHS Trust ( Site 0756), Nottingham