Large-scale testing (Phase 3)UnknownNCT04386850What this trial is testingOral 25-hydroxyvitamin D3 and COVID-19Who this might be right forCOVID 19 Tehran University of Medical Sciences 1,500
Not applicableUnknownNCT04326114What this trial is testingEffectiveness and Safety of Respiratory Training in the Prevention and Severity of COVID-19Who this might be right forDisease, InfectiousRespiratory DiseaseSafety Issues+1 more Universidad Complutense de Madrid 240
Not applicableActive Not RecruitingNCT05697068What this trial is testingIntervention to Prevent Household and Community Spread of COVID-19 Among LatinosWho this might be right forSARS-CoV-2 Infection San Diego State University 256
Large-scale testing (Phase 3)UnknownNCT04640233What this trial is testingClinical Trial to Assess Safety and Immunogenicity of Gam-COVID-Vac Combined Vector Vaccine for Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-Сov-2) InfectionWho this might be right forCOVID-19 Prevention Dr. Reddy's Laboratories Limited 1,600
Post-approval studies (Phase 4)Study completedNCT04652648What this trial is testingRapid Development and Implementation of a Remote ECG-monitored Prospective Randomized Clinical Trial During a Pandemic: Hydroxychloroquine Prophylaxis in COVID-19 Household ContactsWho this might be right forCovid19HydroxychloroquineCoronavirus Infection+2 more Bryn Mawr Hospital 54
Large-scale testing (Phase 3)UnknownNCT06068569What this trial is testingStudy of the Vector Vaccine GamCovidVac for the Prevention of COVID-19 With Altered Antigenic Profile With Participation of Adult VolunteersWho this might be right forCOVID-19 Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation 50
Early research (Phase 1)Ended earlyNCT04526912What this trial is testingTreatment and Prevention of Acute Lung Injury (ALI) in Patients With COVID-19 InfectionWho this might be right forAcute Lung Injury Viela Bio 10
Large-scale testing (Phase 3)WithdrawnNCT04842331What this trial is testingPREvent Viral Exposure and Transmission Study: a COVID-19 (SARS-CoV-2) PEP Study (PREVENT)Who this might be right forRespiratory Viral InfectionRespiratory Tract DiseasesCOVID-19 Respiratory Infection Thirty Respiratory Limited
Large-scale testing (Phase 3)Ended earlyNCT04721535What this trial is testingDWJ1248 in Prevention of COVID-19 Infection After the Exposure of SARS-COV-2Who this might be right forCovid19SARS-COV-2 Infection Daewoong Pharmaceutical Co. LTD. 9
Testing effectiveness (Phase 2)Study completedNCT05175833What this trial is testingOral Probiotics and Secondary Bacterial Pneumonia in Severe COVID-19Who this might be right forCOVID-19 Lower Respiratory InfectionMicrobial ColonizationSevere COVID-19+1 more Universidade de Passo Fundo 70
Not applicableStudy completedNCT04420260What this trial is testingPrimary Prevention of Infection by COVID-19 in WorkersWho this might be right forCOVID Unidad de Investigación Genética Molecular 152
Large-scale testing (Phase 3)UnknownNCT04530396What this trial is testingClinical Trial of Efficacy, Safety, and Immunogenicity of Gam-COVID-Vac Vaccine Against COVID-19Who this might be right forCovid19 Prevention Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation 33,758
Testing effectiveness (Phase 2)Ended earlyNCT04435808What this trial is testingEfficacy of Hydroxychloroquine Prophylaxis for Health Care Workers at High Risk for COVID-19Who this might be right forCOVID-19 University of New Mexico 1
Not applicableStudy completedNCT04765540What this trial is testingThe Effect of Behaviour Change Interventions on Use of Public Handwashing Stations in BangladeshWho this might be right forHand WashingHandwashingCovid19 The Behavioural Insights Team 855
Large-scale testing (Phase 3)WithdrawnNCT04452643What this trial is testingEfficacy of BACMUNE (MV130) in the Prevention of Disease Due to COVID-19 Infection in Healthcare PersonnelWho this might be right forCovid19 Inmunotek S.L.
Not applicableStudy completedNCT05135455What this trial is testingVAXZEVRIA Japan Post-Marketing Surveillance (PMS) for the Long-term Safety of VAXZEVRIAWho this might be right forPrevention of Infectious Disease Caused by SARS-CoV-2 AstraZeneca 467
Testing effectiveness (Phase 2)UnknownNCT04713488What this trial is testingAn Open Study on the Safety, Tolerability, and Immunogenicity of "Sputnik Light" VaccineWho this might be right forCOVID-19 Prevention Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation 110
Testing effectiveness (Phase 2)Study completedNCT05381454What this trial is testingAn Open Label Study in Adults to Test the Efficacy of Mitoquinone/Mitoquinol Mesylate to Prevent Severe Viral IllnessWho this might be right forRespiratory Viral InfectionAntiviral TreatmentCOVID-19 University of California, Los Angeles 80
Large-scale testing (Phase 3)UnknownNCT04858633What this trial is testingHydroxychloroquine (HCQ) as Post Exposure Prophylaxis (PEP) for Prevention of COVID-19Who this might be right forCovid19COVID-19 Prevention Post Graduate Institute of Medical Education and Research, Chandigarh 1,000
Post-approval studies (Phase 4)Ended earlyNCT04351191What this trial is testingPRophylaxis of Exposed COVID-19 Individuals With Mild Symptoms Using choloroquinE CompoundsWho this might be right forSars-CoV2Symptomatic ConditionCovid-19 Government of Punjab, Specialized Healthcare and Medical Education Department 137