Not applicableStudy completedNCT05130749What this trial is testingInfection Prevention and Control Practices Regarding COVID-19Who this might be right forCOVID-19 Pandemic King Saud University 198
Large-scale testing (Phase 3)Study completedNCT04505722What this trial is testingAd26.COV2.S for the Prevention of SARS-CoV-2-Mediated COVID-19 in Adult ParticipantsWho this might be right forParticipants With or Without Stable Co-morbidities Associated With Progression to Severe COVID-19 at Different Stages of the Protocol Janssen Vaccines & Prevention B.V. 44,325
Large-scale testing (Phase 3)Ended earlyNCT05074433What this trial is testingEvaluate Efficacy and Safety of Casirivimab+Imdevimab (Monoclonal Antibodies) for Prevention of COVID-19 in Immunocompromised Adolescents and AdultsWho this might be right forImmunocompromised Regeneron Pharmaceuticals 66
Large-scale testing (Phase 3)Study completedNCT04308668What this trial is testingPost-exposure Prophylaxis / Preemptive Therapy for SARS-Coronavirus-2Who this might be right forCorona Virus InfectionAcute Respiratory Distress SyndromeSARS-CoV Infection+2 more University of Minnesota 1,312
Not applicableStudy completedNCT04868903What this trial is testingLow vs. Moderate to High Dose Vitamin D for Prevention of COVID-19Who this might be right forSARS-CoV-2 Infection University of Chicago 1,475
Not applicableStudy completedNCT05712096What this trial is testingEVusheld Assessment reaL wORld Effectiveness in Israel Clalit Health ServicesWho this might be right forSARS-CoV-2COVID-19 AstraZeneca 4,000
Not applicableStudy completedNCT04644328What this trial is testingThe Doctors for Coronavirus Prevention Project Thanksgiving / Christmas Messaging CampaignWho this might be right forCovid19 National Bureau of Economic Research, Inc. 820
Post-approval studies (Phase 4)UnknownNCT05166005What this trial is testingSeverity of COVID-19 and Vitamin D SupplementationWho this might be right forCOVID-19 Respiratory Infection Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health 350
Early research (Phase 1)UnknownNCT05085639What this trial is testingGLS-5310 Vaccine in Healthy Volunteers for the Prevention of SARS-CoV-2 (COVID-19)Who this might be right forCovid19Healthy GeneOne Life Science, Inc. 30
Early research (Phase 1)Not Yet RecruitingNCT07791186What this trial is testingSafety, Tolerability, and Immunogenicity of BMI2012 Against COVID-19 Variant in Healthy Adults Aged 19 and 55 YearsWho this might be right forPrevention of COVID-19 Variant (Omicron JN.1) BMI Korea 72
Testing effectiveness (Phase 2)Study completedNCT05210101What this trial is testingA Safety and Tolerability Study of Sotrovimab (VIR-7831) Prophylaxis Against COVID-19 in Immunocompromised IndividualsWho this might be right forSARS CoV 2 Infection Sophia Koo, M.D. 93
Large-scale testing (Phase 3)WithdrawnNCT04330144What this trial is testingHydroxychloroquine as Post Exposure Prophylaxis for SARS-CoV-2(HOPE Trial)Who this might be right forContact Person From COVID-19 Confirmed Patient Gangnam Severance Hospital
Large-scale testing (Phase 3)Study completedNCT04353128What this trial is testingEfficacy of Melatonin in the Prophylaxis of Coronavirus Disease 2019 (COVID-19) Among Healthcare Workers.Who this might be right forCovid19SARS-CoV 2Coronavirus Infection Instituto de Investigación Hospital Universitario La Paz 450
Large-scale testing (Phase 3)Ended earlyNCT04472728What this trial is testingEfficacy and Safety of BIO101 in the Prevention of Respiratory Deterioration in Hospitalized COVID-19 PatientsWho this might be right forCovid-19SARS-CoV2 Biophytis 238
Early research (Phase 1)Study completedNCT05449392What this trial is testingTopical Antibacterial Agents for Prevention of COVID-19Who this might be right forCOVID-19SARS-CoV2 Infection Yale University 67
Large-scale testing (Phase 3)UnknownNCT04400019What this trial is testingPrevention of COVID19 Infection in Nursing Homes by Chemoprophylaxis With Hydroxychloroquine (PREVICHARM)Who this might be right forSars-CoV2Coronavirus InfectionPrevention & Control+2 more University of Malaga 1,930
Post-approval studies (Phase 4)Study completedNCT05198336What this trial is testingImmunogenicity of an Inactivated COVID-19 VaccineWho this might be right forCOVID-19 Sinovac Research and Development Co., Ltd. 395
Testing effectiveness (Phase 2)Study completedNCT06057064What this trial is testingStudy Will Assess the Safety, Neutralizing Activity and Efficacy of AZD3152 in Adults With Conditions Increasing Risk of Inadequate Protective Immune Response After Vaccination and Thus Are at High Risk of Developing Severe COVID-19Who this might be right forCOVID-19, SARS-CoV-2 AstraZeneca 116
Large-scale testing (Phase 3)Active Not RecruitingNCT07298434What this trial is testingStudy of VYD2311 for the Prevention of COVID-19Who this might be right forCOVID-19 Invivyd, Inc. 1,770
Post-approval studies (Phase 4)Study completedNCT05165966What this trial is testingSafety and Immunogenicity Study of Booster Vaccination in Different Doses of COVID-19 Vaccine (Vero Cell),Inactivated for Prevention of COVID-19Who this might be right forCOVID-19 Sinovac Life Sciences Co., Ltd. 340