Not applicableStudy completedNCT05060939What this trial is testingSARS-CoV-2 Infection in COVID-19 Vaccinated PatientsWho this might be right forCOVID-19 Hospices Civils de Lyon 1,072
Testing effectiveness (Phase 2)UnknownNCT05330871What this trial is testingEvaluate the Safety and Immunogenicity of Ad5 COVID-19 Vaccines for Booster Use in Children Aged 6-17 Years.Who this might be right forCOVID-19 Seventh Medical Center of PLA General Hospital 410
Large-scale testing (Phase 3)UnknownNCT04885764What this trial is testingProfiling Antibody Status and Vaccine Effectiveness in Post Vaccination With SARS CoV2 in Ain Shams UniversityWho this might be right forCovid19 Ain Shams University 4,000
Testing effectiveness (Phase 2)UnknownNCT05133609What this trial is testingCOVID-19 VACCINE SAFETY AND EFFECTIVENESSWho this might be right forSARS-CoV-2 Infection Federal University of Espirito Santo 550
Not applicableStudy completedNCT04848493What this trial is testingNational Project on Vaccines, COVID-19 and Frail PatientsWho this might be right forCOVID-19Solid TumorHematologic Diseases+2 more Azienda USL Reggio Emilia - IRCCS 747
Not applicableStudy completedNCT05465863What this trial is testingHumoral and Cellular İmmune Response to SARS-CoV-2 mRNA BNT162b2 Vaccine in Children With Chronic Kidney DiseasesWho this might be right forChronic Kidney Disease 5DChronic Kidney Disease 5T Istanbul University - Cerrahpasa 101
Testing effectiveness (Phase 2)Study completedNCT04470609What this trial is testingSafety and Immunogenicity Study of an Inactivated SARS-CoV-2 Vaccine for Preventing Against COVID-19 in People Aged ⩾60 YearsWho this might be right forCOVID-19 Institute of Medical Biology, Chinese Academy of Medical Sciences 471
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
Post-approval studies (Phase 4)UnknownNCT05075044What this trial is testingImmunogenicity and Safety of an Inactivated COVID-19 Vaccine in People Aged ≥18 Years With HIV InfectedWho this might be right forHIV InfectionsCOVID-19 China National Biotec Group Company Limited 400
Large-scale testing (Phase 3)Study completedNCT05107375What this trial is testingClinical Study of Recombinant Novel Coronavirus(COVID-19) Vaccine (CHO Cell) Combined With Influenza VaccineWho this might be right forCoronavirus Disease 2019 Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd. 299
Early research (Phase 1)UnknownNCT06113744What this trial is testingEvaluate the Safety and Immunogenicity of COVID-19 VaccineWho this might be right forSARS-CoV-2 Infection CNBG-Virogin Biotech (Shanghai) Ltd. 164
Early research (Phase 1)Study completedNCT04679909What this trial is testingSafety and Immunogenicity of AdCOVID in Healthy Adults (COVID-19 Vaccine Study)Who this might be right forHealthy Volunteers Altimmune, Inc. 92
Not applicableStudy completedNCT05233592What this trial is testingGlycemic Effects of the COVID-19 Booster Vaccine in Type 1 DiabetesWho this might be right forType 1 DiabetesDiabetes Mellitus, Type 1 Johns Hopkins University 21
Not applicableStudy completedNCT05447065What this trial is testingImpact of Vitamin D Supplementation on COVID-19 Vaccine Response and IgG Antibodies in Deficient Women.Who this might be right forCOVID-19 PandemicD Vitamin DeficiencyAntibody Hypersensitivity Ege University 33
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
Testing effectiveness (Phase 2)Study completedNCT05144139What this trial is testingA Phase I/II Clinical Trial in Healthy People Aged 18 Years and AboveWho this might be right forCOVID-19 Pandemic Stemirna Therapeutics 480
Post-approval studies (Phase 4)UnknownNCT05065892What this trial is testingEvaluation of Immunogenicity and Safety of COVID-19 Vaccine (Produced in Wuhan) in Patients With Hypertension and/or DiabetesWho this might be right forCOVID-19 Pneumonia China National Biotec Group Company Limited 1,440
Testing effectiveness (Phase 2)Study completedNCT04437875What this trial is testingAn Open Study of the Safety, Tolerability and Immunogenicity of "Gam-COVID-Vac Lyo" Vaccine Against COVID-19Who this might be right forPreventive Immunization COVID-19 Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation 38
Not applicableEnded earlyNCT05876377What this trial is testingUse and Effectiveness of COVID-19 Vaccines Using State Vaccine Registries and Insurance Claims DataWho this might be right forSARS-CoV-2COVID-19Post-Acute COVID-19 Syndrome Pfizer 1
Large-scale testing (Phase 3)Study completedNCT04542330What this trial is testingUsing BCG to Protect Senior Citizens During the COVID-19 PandemicWho this might be right forCovid19Non-specific Effects of VaccinesHeterologous Immunity+3 more Bandim Health Project 1,700