Not applicableUnknownNCT04405726What this trial is testingPrognostic Factors of COVID19Who this might be right forSARS-CoV-2 University Hospital, Strasbourg, France 500
Testing effectiveness (Phase 2)Study completedNCT05960097What this trial is testingA Study on the Safety and Immune Response of Investigational COVID-19 mRNA Vaccines in Healthy AdultsWho this might be right forSARS-CoV-2COVID-19 GlaxoSmithKline 692
Not applicableUnknownNCT04884776What this trial is testingModulation of Gut Microbiota to Enhance Health and ImmunityWho this might be right forGut MicrobiotaCOVID-19 Vaccine Chinese University of Hong Kong 453
Not applicableUnknownNCT05000008What this trial is testingAerobic Versus Anaerobic Exercise on Immune Functions and Disease Severity in Patients With COVID-19Who this might be right forCovid19Immune Response Istanbul Gelisim University 30
Not applicableUnknownNCT04715438What this trial is testingVaccination Against COVID-19 in CancerWho this might be right forCancer University Medical Center Groningen 791
Not applicableStudy completedNCT05950308What this trial is testingAssessment of Immune Response in Multiple Sclerosis Patients With COVID-19/Vaccination Treated With Ofatumumab and Other Disease Modifying TherapiesWho this might be right forMultiple Sclerosis Novartis Pharmaceuticals 61
Not applicableStudy completedNCT04805632What this trial is testingImmune Response in Dialysis Patients Vaccinated Against COVID-19Who this might be right forCovid19Chronic Kidney Disease 5D Saint Petersburg State University, Russia 52
Not applicableStudy completedNCT04877509What this trial is testingMicronutrient Status Involved in Immunity in Elderly Patients With COVID-19Who this might be right forCovid19 Hospices Civils de Lyon 229
Not applicableUnknownNCT05618548What this trial is testingVaccination Against COVID-19 in Pregnant and Lactating Women in BelgiumWho this might be right forCovid19 Universiteit Antwerpen 110
Not applicableStudy completedNCT04951336What this trial is testingRCT of Mushroom Based Natural Product to Enhance Immune Response to COVID-19 VaccinationWho this might be right forCOVID-19 Vaccination University of California, San Diego 90
Not applicableUnknownNCT05043246What this trial is testingSafety and Immune Response of COVID-19 Vaccination in Patients With Basic DiseaseWho this might be right forDiseases, ChronicCovid19Adverse Reaction to Vaccine The Second Affiliated Hospital of Chongqing Medical University 2,300
Not applicableEnrolling By InvitationNCT05131594What this trial is testingEvaluating the Response of the Immune System of People with Long COVID (post SARS-CoV-2)Who this might be right forCOVID-19 Huntington Memorial Hospital 100
Not applicableUnknownNCT04736524What this trial is testingImmune Response Following COVID-19 VaccinationWho this might be right forIgM and IgG in Blood Texas Cardiac Arrhythmia Research Foundation 500
Not applicableStudy completedNCT05089045What this trial is testingImmunogenicity and Safety Evaluation of Recombinant Novel Coronavirus Vaccine (CHO Cells) in Enhancing ImmunityWho this might be right forCoronavirus Disease 2019 Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd. 360
Not applicableLooking for participantsNCT05271669What this trial is testingCOVID-19 Immunity and Changes Over TimeWho this might be right forCOVID-19 Chinese University of Hong Kong 1,350
Not applicableLooking for participantsNCT06762002What this trial is testingImpaired Type I IFN Immunity Due to Autoantibodies or a Genetic Defect: a Prospective National CohortWho this might be right forImmunologyAllergyGenetic Diseases+1 more Institut National de la Santé Et de la Recherche Médicale, France 500
Not applicableUnknownNCT04365322What this trial is testingStudy of Specific Viral Immune Responses Induced by SARS-CoV-2 (COVID-19)Who this might be right forSARS-CoV-2 Infection Centre Hospitalier Universitaire de Besancon 160
Not applicableActive Not RecruitingNCT04950803What this trial is testingA Randomised-controlled Trial of an Oral Microbiome Immunity Formula in Recovered COVID-19 PatientsWho this might be right forCOVID-19Probiotic Chinese University of Hong Kong 448
Not applicableStudy completedNCT05135585What this trial is testingEvaluation of the Post-vaccination Immune Response to COVID-19 in the New Caledonian PopulationWho this might be right forSARS-CoV-2 Acute Respiratory Disease Institut Pasteur 680
Post-approval studies (Phase 4)UnknownNCT04417335What this trial is testingReducing COVID-19 Related Hospital Admission in Elderly by BCG VaccinationWho this might be right forCOVID-19 Radboud University Medical Center 2,014