Efficacy and Safety of Pembrolizumab Plus Investigational Agents in Combination With Chemotherapy as First-Line Treatment in Extensive-Stage Small Cell Lung Cancer (ES-SCLC) (MK-3475-B99/ KEYNOTE-B99)

Semmelweis University-Pulmonológiai Klinika ( Site 2802), Budapest

Országos Korányi Pulmonológiai Intézet-XIV. Tüdöbelgyógyászat ( Site 2806), Budapest

Klinik Penzing-2. Lungenabteilung ( Site 2101), Vienna

Klinik Floridsdorf-Abteilung für Innere Medizin und Pneumologie ( Site 2100), Vienna

Torokbalint Tudogyogyintezet-Onkopulmonologiai Jarobeteg Centrum ( Site 2801), Törökbálint

Jász-Nagykun-Szolnok Megyei Hetényi Géza Kórház-Onkologiai Kozpont ( Site 2800), Szolnok

Zala Megyei Szent Rafael Kórház-Pulmonológia ( Site 2805), Zalaegerszeg

Cantonal Hospital St.Gallen-Oncology & Hematology ( Site 2502), Sankt Gallen

Memorial Sloan Kettering Cancer Center ( Site 0115), New York

Perlmutter Cancer Center at NYU Langone Hospital - Long Island ( Site 0114), Mineola

Seoul National University Bundang Hospital ( Site 1104), Seongnam

UPMC Hillman Cancer Center ( Site 0127), Pittsburgh

The Catholic University Of Korea St. Vincent's Hospital ( Site 1106), Suwon

Ospedale San Raffaele-Oncologia Medica ( Site 2303), Milan

Istituto Europeo di Oncologia IRCCS-Divisione di Oncologia Toracica ( Site 2304), Milan

MFSMC-HJWCI-Oncology Research ( Site 0128), Baltimore

Virginia Cancer Institute ( Site 0119), Richmond

Chungbuk National University Hospital ( Site 1107), Cheongju-si

St Francis Cancer Center-Research Office ( Site 0117), Greenville

Georgia Cancer Specialists ( Site 0106), Atlanta

Hospital Insular de Gran Canaria ( Site 2402), Las Palmas de Gran Canaria

Baptist Health Lexington-Research ( Site 0108), Lexington

Cleveland Clinic-Taussig Cancer Center ( Site 0116), Cleveland

Parkview Research Center at Parkview Regional Medical Center ( Site 0130), Fort Wayne

ospedale le scotte-U.O.C. Immunoterapia Oncologica ( Site 2300), Siena

Oncology Hematology West, PC dba Nebraska Cancer Specialists ( Site 0122), Omaha

Oncology Hematology West, PC dba Nebraska Cancer Specialists ( Site 0129), Omaha

University of Colorado Anschutz Medical Campus ( Site 0104), Aurora

Banner MD Anderson Cancer Center ( Site 0102), Gilbert

"GBUZ SPb CRPCstmc(o) ( Site 2705)", Saint Petersburg

N.N.Petrov Research Institute of Oncology-Department of Chemotherapy and Innovative Technologies ( S, Saint Petersburg

Scientific research institution of oncology named after N.N. Petrov-Thoracic oncology ( Site 2704), Saint Petersburg

Krasnoyarsk Regional Oncology Dispensary, Named after Krizhanovsky ( Site 2708), Krasnoyarsk

Rambam Health Care Campus-Oncology ( Site 2600), Haifa

Meir Medical Center ( Site 2601), Kfar Saba

Rabin Medical Center-Oncology ( Site 2604), Petah Tikva

Sheba Medical Center-ONCOLOGY ( Site 2603), Ramat Gan

Shaare Zedek Medical Center ( Site 2602), Jerusalem

Hamilton Health Sciences-Juravinski Cancer Centre ( Site 2003), Hamilton

Kingston Health Sciences Centre-Kingston General Hospital Site ( Site 2005), Kingston

St. Marys Hospital Center ( Site 2000), Montreal

Narodowy Instytut Onkologii im. Marii Sklodowskiej-Curie - P-Klinika Nowotworow Pluca i Klatki Pier, Warsaw

Samodzielny Publiczny Zespó Grulicy i Chorób Puc w Olsztynie-Oddzial Onkologii z Pododdzialem Chemi, Olsztyn

Seoul National University Hospital ( Site 1101), Seoul

Severance Hospital, Yonsei University Health System-Medical oncology ( Site 1105), Seoul

Asan Medical Center-Department of Oncology ( Site 1103), Seoul

Samsung Medical Center ( Site 1100), Seoul

Instituto Catalan de Oncologia - Hospital Duran i Reynals ( Site 2403), L'Hospitalet de Llobregat

Hospital Universitari Vall d'Hebron-Oncology ( Site 2401), Barcelona