Not applicableStudy completedNCT04384250What this trial is testingGenetic and Immunologic Basis of COVID-19 InfectionWho this might be right forGenetic Basis of COVID-19 Infection Mansoura University 500
Not applicableStudy completedNCT04798677What this trial is testingEfficacy and Tolerability of ABBC1 in Volunteers Receiving the Influenza or Covid-19 VaccineWho this might be right forImmunityVaccine ReactionInfluenza+3 more AB Biotek 72
Testing effectiveness (Phase 2)Study completedNCT05156723What this trial is testingStudy of the Immunogenicity, Safety and Tolerability of the Convacell Vaccine.Who this might be right forCOVID-19Immunologic FactorsCoronavirus Infections+1 more St. Petersburg Research Institute of Vaccines and Sera 155
Not applicableUnknownNCT06125457What this trial is testingEpidemiology of IgA Selective Deficiency - Clinical Manifestations and Risk of TransmissionWho this might be right forCOVID-19 University Hospital, Strasbourg, France 120
Testing effectiveness (Phase 2)Looking for participantsNCT07406217What this trial is testingOPtimisation of Antiviral Therapy in Immunocompromised COVID-19 PatientsWho this might be right forCOVID-19Immunodeficiency Calmy Alexandra 256
Not applicableUnknownNCT04534608What this trial is testingCOVID-19 Child Health Investigation of Latent Disease in HamburgWho this might be right forSARS-CoV-2Covid19 Universitätsklinikum Hamburg-Eppendorf 6,000
Not applicableUnknownNCT04894448What this trial is testingImmunogenicity of COVID-19 Vaccination in PLWHWho this might be right forHIV Infections CIHR Canadian HIV Trials Network 500
Large-scale testing (Phase 3)UnknownNCT05405283What this trial is testingRandomized, Single-blinded, Multicenter Trial Comparing the Immune Response to a 2nd Booster Dose of COVID-19 mRNA Vaccine (Pfizer-BioNTech) or Sanofi /GSK B.1.351 Adjuvanted Vaccine in AdultsWho this might be right forCOVID-19 Vaccines Assistance Publique - Hôpitaux de Paris 189
Testing effectiveness (Phase 2)Ended earlyNCT04414631What this trial is testingConestat Alfa in the Prevention of Severe SARS-CoV-2 Infection in Hospitalized Patients With COVID-19Who this might be right forCoronavirus Infections University Hospital, Basel, Switzerland 80
Not applicableActive Not RecruitingNCT07816471What this trial is testingRSV, Influenza, and SARS-CoV-2 Outcomes in Severely Immunosuppressed AdultsWho this might be right forRespiratory Syncytial Virus InfectionsImmunocompromised HostInfluenza+1 more Hospital Italiano de Buenos Aires 350
Large-scale testing (Phase 3)UnknownNCT05124171What this trial is testingImmunogenicity and Reactogenicity Following a Booster Dose of COVID-19 mRNA Vaccine (Pfizer-BioNtech) and Two Adjuvanted Sub-unit Vaccines (SP/GSK) Administered in Adults Who Received 2 Doses of Pfizer-BioNTech mRNA Vaccine as a Primary VaccinationWho this might be right forCOVID-19Vaccine Reaction Assistance Publique - Hôpitaux de Paris 247
Testing effectiveness (Phase 2)Ended earlyNCT04379076What this trial is testingInterLeukin-7 (CYT107) to Improve Clinical Outcomes in Lymphopenic pAtients With COVID-19 Infection UK CohortWho this might be right forCOVID-19Lymphocytopenia Revimmune 35
Testing effectiveness (Phase 2)Ended earlyNCT04407689What this trial is testingInterLeukin-7 to Improve Clinical Outcomes in Lymphopenic pAtients With COVID-19 Infection FR BL CohortWho this might be right forCOVID-19Lymphocytopenia Revimmune 34
Not applicableUnknownNCT04724642What this trial is testingCOVID-19 Vaccine in Patients After Allogeneic HCT, CAR-T Therapy and With Primary Immune DeficiencyWho this might be right forAllogenic Hematopoietic Cell TransplantCAR-T TherapyPrimary Immunodeficiency Tel-Aviv Sourasky Medical Center 110
Not applicableUnknownNCT04779996What this trial is testingAntibodies Production After Covid-19 Vaccination Among Patients With Medical History of Cancer and Anti-CD-20 TreatmentWho this might be right forCovid19CancerHIV Infections Auxilio Mutuo Cancer Center 250
Not applicableStudy completedNCT04664023What this trial is testingDescription of Immunologic, Enzymatic and Metabolic Biomarkers Associated to the Severity of COVID-19 (SARS-CoV-2) and Its ResolutionWho this might be right forCovid19 Poitiers University Hospital 130
Not applicableLooking for participantsNCT06902194What this trial is testingTo Evaluate Mucosal and Systematic Immune Response to Acute Respiratory Tract Infections of South African ChildrenWho this might be right forRespiratory Tract Infections (RTI)Mucosal Immunity Desmond Tutu TB Centre 250
Testing effectiveness (Phase 2)Ended earlyNCT04927169What this trial is testingInterLeukin-7 to Improve Clinical Outcomes in Lymphopenic pAtients With COVID-19 Infection (Brazil Cohort)Who this might be right forCOVID-19Lymphocytopenia Revimmune 4
Testing effectiveness (Phase 2)Ended earlyNCT04365101What this trial is testingNatural Killer Cell (CYNK-001) Infusions in Adults With COVID-19Who this might be right forCoronavirusCoronavirus InfectionSevere Acute Respiratory Syndrome Coronavirus 2+17 more Celularity Incorporated 7
Not applicableStudy completedNCT04401436What this trial is testingCOVID-19 Associated Lymphopenia Pathogenesis Study in BloodWho this might be right forCoronavirus Disease 2019 National Institute of Allergy and Infectious Diseases (NIAID) 240