A Study to Evaluate Rivoceranib Plus Best Supportive Care Compared to Placebo Plus Best Supportive Care in Participants With Gastric Cancer

National Taiwan University Hospital, Taipei

Chang Gung Memorial Hospital - Linko Branch, Taoyuan District

Chi Mei Medical Center - LiouYing Branch, Tainan City

National Cancer Center, Goyang-si

Hudson Valley Cancer Centre, Hawthorne

Taipei Veterans General Hospital, Taipei

Charite - Universitaetsmedizin Berlin - Medizinische Klinik mit Schwerpunkt Haematologie, Onkologie und Tumorimmunologie, Berlin

Seoul National University Bundang Hospital, Gyeonggi-do

Hallym University Sacred Heart Hospital, Anyang-si

Ajou University Hospital, Suwon

Fondazione IRCCS-Istituto Nazionale Tumori, Milan

Facharztzentrum Eppendorf - Haematologisch-Onkologische Praxis Eppendorf (HOPE), Hamburg

"Communal Institution Vinnytsia Regional Clinical Oncology Dispensary", Vinnytsia

Gachon University Gil Medical Center, Incheon

Ospedale di Piacenza - Oncology and heamatology, Piacenza

Institut Regional du Cancer Montpellier (ICM), Montpellier

Chungnam National University Hospital, Daejeon

Universitätsklinik Marburg, Klinik fur Innere Medizin, Schwerpunkt Haematologie, Onkologie und Immunologie, Marburg

Veneto Oncology Institute (IOV-IRCCS), Melanoma & Esophageal Oncology Unit, Padua

China Medical University Hospital, Taichung

Policlinico di Modena-Azienda Ospedaliero Universitaria di Modena.Oncologia ed Ematologia., Modena

Chungbuk National University Medical Center, Chuncheon

Kyungpook National University Medical Center, Daegu

Keimyung University Dongsan Medical Center, Daegu

IRCCS/Arcispedale Santa Maria Nuova, Reggio Emilia

Yeungnam University Medical Center, Daegu

Ulsan University Hospital, Ulsan

Rimini Hospital, Rimini

U.O Di Oncologia Ospedale Degli Infermi, Faenza

Inje University Haeundae Paik Hospital, Busan

Karmanos Cancer Institute, Detroit

Dnipropetrovsk Medical Academy, Department of Oncology, Dnipro

Dong-A University Hospital, Busan

Pusan National University Hospital, Busan

"Municipal Institution Kryvyi Rig Oncology Dispensary, Chemotherapy Department", Kryvyi Rih

Chungbuk National University Hospital, Jungbuk

Mayo Clinic Cancer Center, Rochester

"Ospedale Felice Lotti", Pontedera

Ospedali Riuniti di Ancona - SOD Clinica Oncologica, Torrette

"Institut für Klinisch-Onkologische Forschung (IKF) Krankenhaus Nordwest gGmbH UCT - Universitäres Centrum für Tumorerkrankungen Frankfurt", Frankfurt

"Communal Institution Kharkiv Regional Clinical Oncology Center , Chemotherapy department #1, Medical Academy of Postgraduate Education, Oncology and Pediatric Oncology", Kharkiv

Centre Leon-Berard (CLB), Lyon

"State institution Zaporizhzhia Medical Academy of Postgraduate Education MOH Ukraine, Department of oncology based on Municipal Institution Zaporizhzhia Regional Clinical Oncology Dispensary Zaporizhzhia Regional Assembly", Zaporizhzhia

National CHeng Kung University Hospital, Tainan City

Highlands Oncology Group, Rogers

Kherson Regional Oncological Dispensary, Kherson

"Communal Institution Ivano-Frankivsk Regional Oncological Center", Ivano-Frankivsk

Kaohsiung Medical University Hospital, Kaohsiung City

Chang Gung Memorial Hospital - Kaohsiung Branch, Kaohsiung City

Mayo Clinic Phoenix, Scottsdale

"Communal Institution Transcarpathian Regional Clinical Oncological Center", Uzhhorod

Magna Graecia University- Department of Experimental and Clinical Medicine, Catanzaro

Centre Hospitalier Franco-Britannique; Oncologie Médicale, Levallois-Perret

Institut Gustave Roussy, Villejuif

"State Budgetary Healthcare Institution of Arkhangelsk Region Arkhangelsk Clinical Oncology Dispensary", Arkhangelsk

"Federal State Budgetary Educational Institution of Higher Education Academician I.P. Pavlov First St. Petersburg State Medical University of the Ministry of Heaithcare of the Russian Federation", Saint Petersburg

"Centrul de Oncologie Sf. Nectarie, Sectia de Oncologie Medicala", Craiova

"Budgetary Healthcare Institution of Orel Region Orel Oncology Dispensary", Oryol

"State Healthcare Institution Kursk Regional Clinical Oncology Dispensary", Kursk

"State Budgetary Healthcare Institution of Stavropol Territory Pyatigorsk Oncology Dispensary", Pyatigorsk

"Institutul Oncologic Prof. Dr. Ion Chiricuta Cluj-Napoca, Sectia de Radioterapie I", Cluj-Napoca

S.C. Medisprof S.R.L., Cluj-Napoca

Ogarev Mordovia State University, Saransk

"State Budgetary Healthcare Institution Republican Clinical Oncology Dispensary", Ufa

Saint Constantin Hospital (TEO HEALTH SA), Brasov

Omsk regional clinical oncology center, Omsk

Centre Antoine-Lacassagne, Nice

Hyogo Cancer Center, Hyōgo

Chiba Cancer Center, Chiba

National Cancer Center Hospital, Tokyo

Kyushu University Hospital, Fukuoka

National Cancer Center Hospital East, Chiba

St. Marianna University School of Medicine Hospital, Kanagawa

Saitama Cancer Center, Saitama

Japan Community Health Care Organization Kyushu Hospital, Fukuoka

The Cancer Institute Hospital of Japanese Foundation For Cancer Research, Tokyo

National Hospital Organization Shikoku Cancer Center, Ehime

Saku Central Hospital Advanced Care Center, Nagano

Hokkaido University Hospital, Hokkaido

Keio University Hospital, Tokyo

Osaka University Hospital, Osaka

Aichi Cancer Center Hospital, Nagoya

Szpital Uniwersytecki w Krakowie, Odział Kliniczny Onkologii, Krakow

Centrum Onkologii-Instytut im. Marii Skłodowskiej-Curie, Klinika Gastroenterologii Onkologicznej, Warsaw

Korea University Anam Hospital, Seoul

Severence Hospital, Yonsei University Health System, Seoul

Veterans Health Service (VHS) Medical Center, Seoul

ASAN Medical Center, Seoul

Gangnam Severance Hospital, Seoul

Samsung Medical Center, Seoul

Korea University Guro Hospital, Seoul

"Municipal Institution Kyiv City Clinical Oncological Center", Kyiv

Royal Marsden Hospital London, London

The Christie NHS Foundation Trust, Manchester

Royal Marsden Hospital Surrey, Sutton