31,835
Participants
Start Date
November 12, 2020
Primary Completion Date
June 18, 2023
Study Completion Date
June 18, 2023
Ad26.COV2.S
Ad26.COV2.S vaccine will be administered on Day 1 and Day 57 in the double-blind phase. At unblinding visit Ad26.COV2.S vaccine will be administered to participants at Day 57 who have not yet received second vaccination and in newly enrolled participants as either single dose on Day 1 or two doses on Day 1 and Day 57. Single dose of Ad26.COV2.S vaccine will also be administered to participants initially receiving placebo. Single booster dose of Ad26.COV2.S vaccine will be given to participants in the open label phase who have received only a single vaccination with Ad26.COV2.S.
Placebo
Placebo will be administered as IM injection on Day 1 and Day 57.
Makati Medical Center, Manila
Medical Center Manila, Manila
Dr AA Mahomed Medical Centre, Moloto South
Tropical Disease Foundation, Makati
Worthwhile Clinical trials, Johannesburg
Peermed Clinical Trial Centre, Kempton Park
Institute of Tropical Medicine Antwerp, Antwerp
Az Sint-Maarten, Mechelen
UZ Leuven, Leuven
Anima, Alken
West Visayas State University Medical Center, Iloilo City
Private Practice RESPISOM Namur, Namur
Riverside Medical Center, Bacolod
Dr J.M. Engelbrecht Trial Site, Somerset West
TREAD Research Tygerberg Hospital, Cape Town
Be Part Yoluntu Centre, Western Cape
Centre of Tuberculosis Research Innovation, Cape Town
Hosp Univ Vall D Hebron, Barcelona
Center for Vaccinology (CEVAC), Ghent
Richmond Behavioral Associates, Staten Island
Meridian Clinical Research, LLC, Endwell
Regional Clinical Research, Inc., Endwell
Allergy Asthma Immunology of Rochester, PC (AAIR) - Research Center, Rochester
Optimal Research, Rockville
Meridian Clinical Research, LLC, Rockville
Centennial Medical Group, Elkridge
Alliance for Multispeciality Research, Norfolk
Hosp. Univ. de La Princesa, Madrid
Clinica Univ. de Navarra, Madrid
Hosp. Univ. de La Paz, Madrid
American Health Network, LLC, Charlotte
Hosp. Quiron Madrid Pozuelo, Madrid
Wilmington Health Associates, Wilmington
Medical University of South Carolina, Charleston
Coastal Carolina Research Center, Mt. Pleasant
Atlanta Center for Medical Research, Atlanta
Clinica Univ. de Navarra, Pamplona
Hopital Rangueil, Toulouse
Hopital Purpan, Toulouse
Accel Research Sites, Eatonton
Progressive Medical Research, Port Orange
Avail Clinical Research, LLC, DeLand
Clinical NeuroScience Solutions Inc, Orlando
Compass Research, Melbourne, Melbourne
Velocity Clinical Research, Hallandale Beach, Hallandale
Prestige Clinical Research Center, Inc., Coral Gables
Suncoast Research Group, Miami
Behavioral Clinical Research , Inc, North Miami
Palm Beach Research Center, West Palm Beach
Health Awareness inc., Jupiter
Altus Research, Inc, Lake Worth
JEM Research LLC, Atlantis
Groupe Hospitalier Sud Hôpital Haut-Leveque Service d'hematologie, Pessac
Meridien Research, St. Petersburg
Achieve Clinical Research, LLC, Vestavia Hills
Centennial Medical Center, Nashville
University of Kentucky, Lexington
CHU Saint Etienne Hopital Nord, Saint-Etienne
CTI Clinical Trial and Consulting Services, Cincinnati
Henry Ford Health Systems, Detroit
Cherry Street Services, Inc., Grand Rapids
Hôpital de Brabois Adultes, Vandœuvre-lès-Nancy
The University Of Chicago Medicine, Chicago
Great Lakes Clinical Trials, Chicago
Heartland Research Associates, LLC, Newton
Ochsner Clinic Foundation, New Orleans
Centex Studies, Inc., Lake Charles
Woodland International Research Group, Little Rock
Lynn Health Science Institute, Oklahoma City
Hopital Cochin, Paris
Hopital Saint-Antoine, Paris
Centex Studies, Inc., Houston
Centex Studies, Inc., Houston
Texas Center for Drug Development Inc, Houston
Tranquility Clinical Research, Webster
Endeavor Clinical Trials, LLC, San Antonio
Centex Studies, Inc., McAllen
IPS Centro Cientifico Asisitencial Jose Luis Accini S.A.S., Barranquilla
Paradigm Clinical Research Centers, Inc., Wheat Ridge
Klinikum rechts der Isar der TU Munchen, München
JBR Clinical Research, Salt Lake City
Hope Research Institute, Phoenix
Central Phoenix Medical Clinic, Phoenix
Quality of Life Medical & Research Center, LLC, Tucson
Synexus Clinical Research US Inc, Tucson
Medpharmics, LLC, Albuquerque
Anthony Mills Medical, Inc, Los Angeles
Synexus Clinical Research US Inc, Cerritos
Ark Clinical Research, Long Beach
eStudySite, Chula Vista
Artemis Institute for Clinical Research, San Diego
Benchmark Research, Sacramento
T Y C Inversiones S A S Grupsalud, Santa Marta
Centro Medico Imbanaco de Cali S.A., Santiago de Cali
The South Bend Clinic Center for Research, South Bend
Washington University School Of Medicine, St Louis
Hassman Research Institute, LLC., Berlin
Jersey Shore University Medical Center, Neptune City
Hospital Nossa Senhora da Conceicao S A, Porto Alegre
Ministerio da Saude - Hospital dos Servidores do Estado - RJ, Rio de Janeiro
Instituto Nacional de Infectologia Evandro Chagas (INI) - FIOCRUZ, Rio de Janeiro
Instituto de infectologia Emilio Ribas, São Paulo
Centro de Referencia E Treinamento Dst/Aids, São Paulo
Fundacion Cardiomet CEQUIN, Armenia
Asistencia Cientifica de Alta Complejidad S.A.S, Bogotá
Leicester Royal Infirmary, Leicester
CHU de Montpellier Hopital Saint Eloi, Montpellier
VX Pharma, Pretoria
Hosp. Univ. Germans Trias I Pujol, Badalona
Hosp. Quiron Barcelona, Barcelona
Hosp Clinic de Barcelona, Barcelona
Queen Elizabeth Hospital, Birmingham
Powys Teaching Local Health Board - Bronllys Hospital, Brecon
Brighton & Sussex University Hospitals NHS Trust, Brighton
University Hospitals Bristol NHS Trust, Bristol
Cambridge University Hospitals NHS Foundation Trust, Cambridge
Ninewells Hospital, Dundee
Royal Free Hospital, Hampstead
Guy's and St Thomas' Hospital, London
Imperial College London and Imperial College Healthcare NHS Trust, London
Central Manchester University Hospitals NHS Foundation Trust, Manchester
Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne
University of Oxford, Oxford
Derriford Hospital, Plymouth
Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield
Southampton General Hospital, Southampton
Janssen Vaccines & Prevention B.V.
INDUSTRY