Not applicableStudy completedNCT04728828What this trial is testingCOVADIAL - Immunogenicity of COVID-19 Vaccine in Hemodialysis PatientsWho this might be right forCovid19 Centre Hospitalier de Cornouaille 500
Large-scale testing (Phase 3)Ended earlyNCT05593770What this trial is testingInternational Sites: Novel Experimental COVID-19 Therapies Affecting Host ResponseWho this might be right forCOVID-19SARS-CoV2 InfectionCoronavirus Infection NEAT ID Foundation 28
Not applicableStudy completedNCT04817280What this trial is testingCOVID-19 in Polish Ice Swimmers.Who this might be right forCovid19SARS-CoV InfectionResistance, Disease+2 more Wroclaw Medical University 2,534
Post-approval studies (Phase 4)Study completedNCT04952402What this trial is testingSARS-CoV-2 Immune Responses After COVID-19 Therapy and Subsequent VaccineWho this might be right forCovid19SARS-CoV2 Infection National Institute of Allergy and Infectious Diseases (NIAID) 43
Not applicableUnknownNCT04410471What this trial is testingHumoral Immunity Against SARS-CoV-2 in Liver Transplanted Patients After COVID-19 in Comparison With Immunocompetent PatientsWho this might be right forLiver Transplant InfectionCovid19Mortality+1 more Magdalena Salcedo 300
Not applicableStudy completedNCT05128435What this trial is testingCoronavirus Pediatric Serological StudyWho this might be right forSARS-CoV2 Infection Centre Hospitalier Universitaire Saint Pierre 49
Not applicableStudy completedNCT05062525What this trial is testingImmune Response to COVID-19 Vaccine in Immunotherapy (IO) and Non-IO Treated Cancer PatientsWho this might be right forCOVID-19Cancer University Health Network, Toronto 53
Not applicableWithdrawnNCT05387343What this trial is testingCOVID Vaccine Immunity in Kidney Transplant RecipientsWho this might be right forEnd Stage Renal DiseaseKidney Transplant; Complications University of Alabama at Birmingham
Not applicableUnknownNCT05258708What this trial is testingCOVID-19 Vaccine Reactogenicity and ImmunogenicityWho this might be right forCOVID-19Vaccine Immune ResponseVaccine Adverse Reaction Korea University Guro Hospital 179
Post-approval studies (Phase 4)Study completedNCT05047718What this trial is testingFactors Influencing the COVID-19 Vaccine Immune Response According to Age and Presence or Not of a Past History of COVID-19Who this might be right forCovid19 Centre Hospitalier Universitaire de Saint Etienne 54
Not applicableUnknownNCT04360733What this trial is testingPrecision Immunology to Determine the Immune Response in Patients With COVID-19Who this might be right forSARS-CoV 2COVID University of Bonn 200
Not applicableStudy completedNCT05074368What this trial is testingEfficacy and Safety of Heterologous and Homologous COVID-19 VaccinationWho this might be right forHealthy Adult Volunteers National Taiwan University Hospital 499
Not applicableStudy completedNCT05307601What this trial is testingImmune Response Following COVID-19 in Hemodialysis PatientsWho this might be right forDialysis; ComplicationsCOVID-19Cytokine Storm AURA Paris 21
Testing effectiveness (Phase 2)UnknownNCT04990557What this trial is testingCRISPR/Cas9-modified Human T Cell ( PD-1and ACE2 Knockout Engineered T Cells ) for Inducing Long-term Immunity in COVID-19 PatientsWho this might be right forCOVID-19 Respiratory Infection Mahmoud Ramadan mohamed Elkazzaz 16
Not applicableStudy completedNCT04373148What this trial is testingUnderstanding Immunity to SARS-CoV-2, the Coronavirus Causing COVID-19Who this might be right forCoronavirus Stanford University 316
Testing effectiveness (Phase 2)UnknownNCT05132855What this trial is testingThe Immune Response of Heterologous Boost Third Dose of mRNA and Protein COVID-19 VaccineWho this might be right forCOVID-19Breakthrough Infection Chang Gung Memorial Hospital 340
Post-approval studies (Phase 4)UnknownNCT05855408What this trial is testingEffectiveness of a Second COVID-19 Vaccine Booster in Chinese AdultsWho this might be right forCOVID-19 Jiangsu Province Centers for Disease Control and Prevention 10,000
Not applicableStudy completedNCT05153018What this trial is testingPopulation Immunity AgaiNst mosquitO-borne Diseases in VanuatuWho this might be right forArbovirus DiseaseZikaDengue+3 more Institut Pasteur 1,122
Not applicableStudy completedNCT04935528What this trial is testingMechanisms of Anti COVID-19 Humoral and Cellular Immune Response After Vaccination in a Sample of Patients and Salaried Staff From a French Anti-cancer CenterWho this might be right forCancer Centre Georges Francois Leclerc 539
Post-approval studies (Phase 4)Study completedNCT07834073What this trial is testingImmunogenicity and Safety of a Single Dose of mRNA SARS-CoV-2 Vaccine in Chinese Adults With Hybrid ImmunityWho this might be right forCOVID-19SARS-CoV-2 Infection Jiangsu Province Centers for Disease Control and Prevention 2,052