Testing effectiveness (Phase 2)Study completedNCT05933278What this trial is testingHomologous Booster Study of COVID-19 Protein Subunit Recombinant VaccineWho this might be right forCOVID-19 PT Bio Farma 150
Large-scale testing (Phase 3)Ended earlyNCT05220397What this trial is testingJanssen Ad26.CoV2.S Vaccine Booster in Kidney Transplant RecipientsWho this might be right forKidney Transplant Recipient Mark Stegall 468
Not applicableStudy completedNCT05895110What this trial is testingTo Evaluate the Immunogenicity and Safety of Sequential Booster Immunization of Recombinant Novel Coronavirus Vaccine (CHO Cells) for SARS-CoV-2Who this might be right forCOVID-19 Anhui Zhifei Longcom Biologic Pharmacy Co., Ltd. 240
Not applicableUnknownNCT05516459What this trial is testingProspective Monitoring of BNT162b2 Second Vaccination Booster Effects in Health Care Workers (HCW)Who this might be right forCoronavirus Infections Soroka University Medical Center 635
Not applicableUnknownNCT06300853What this trial is testingUnderstanding Adaptive Immune Response After COVID-19 Vaccination Boosters to Improve Vaccination Strategies in Vulnerable Groups.Who this might be right forCOVID-19 IRCCS Sacro Cuore Don Calabria di Negrar 350
Very early researchEnded earlyNCT05716347What this trial is testingClinical Trial of Safety and Immunogenicity of Recombinant SARS-CoV-2 S-Trimer Vaccine (CHO Cells) as Booster Vaccination in Populations Aged 18 to 59 YearsWho this might be right forCOVID-19 Binhui Biopharmaceutical Co., Ltd. 80
Large-scale testing (Phase 3)UnknownNCT05323461What this trial is testingEvaluate the Immunogenicity and Safety of Two Recombinant Protein COVID-19 Vaccines in Population Aged ≥18 Years as Booster VaccinesWho this might be right forCOVID-19SARS-CoV-2 Infection Sinocelltech Ltd. 1,800
Large-scale testing (Phase 3)UnknownNCT05313061What this trial is testingMTX Hold During Covid-19 BoosterWho this might be right forRheumatoid Arthritis Seoul National University Hospital 40
Large-scale testing (Phase 3)Study completedNCT05364242What this trial is testingVLA2001 Booster in Adult Participants After Priming With mRNA COVID-19 Vaccine and/or Natural SARS-CoV-2 InfectionWho this might be right forSARS-CoV-2 Infection Valneva Austria GmbH 178
Early research (Phase 1)Study completedNCT05385991What this trial is testingBooster Dose Study to Assess the Safety and Immunogenicity of ACM-001 Administered Intramuscularly or Intranasally.Who this might be right forSARS-CoV-2 Infection ACM Biolabs 38
Testing effectiveness (Phase 2)Study completedNCT05210179What this trial is testingPhase 2b Booster Vaccination (TURKOVAC) Against COVID-19Who this might be right forCOVID-19Sars-CoV-2 Infection Health Institutes of Turkey 65
Large-scale testing (Phase 3)Study completedNCT05265065What this trial is testingEvaluation of Full Versus Fractional Dose of COVID-19 Vaccine Given as a Booster for the Prevention of COVID-19 in Adults in Mongolia.Who this might be right forCOVID-19 Murdoch Childrens Research Institute 601
Testing effectiveness (Phase 2)Study completedNCT04639466What this trial is testingA Synthetic MVA-based SARS-CoV-2 Vaccine, GEO-CM04S1, for the Prevention of COVID-19 InfectionWho this might be right forCOVID-19 Infection GeoVax, Inc. 119
Large-scale testing (Phase 3)WithdrawnNCT05543356What this trial is testingCOVID-19 Fourth Dose Study in AustraliaWho this might be right forCOVID-19 Murdoch Childrens Research Institute
Not applicableWithdrawnNCT05710289What this trial is testingA Blood Collection Study to Assess the Immunogenicity of Nationally Authorized Homologous COVID-19 Booster Vaccines Among Adult Vaccinees.Who this might be right forCOVID-19 SK Bioscience Co., Ltd.
Testing effectiveness (Phase 2)WithdrawnNCT05465902What this trial is testingSafety and Immunogenicity of Recombinant COVID-19 Variant Vaccine (Sf9 Cell) as a BoosterWho this might be right forCOVID-19SARS-CoV-2 Infection WestVac Biopharma Co., Ltd.
Testing effectiveness (Phase 2)UnknownNCT05933512What this trial is testingEvaluate the Immunogenicity and Safety of A Recombinant Protein COVID-19 Vaccine as Booster VaccinesWho this might be right forCOVID-19SARS-CoV-2 Infection Sinocelltech Ltd. 600
Large-scale testing (Phase 3)Study completedNCT05077176What this trial is testingPhase 3 Booster Vaccination Against COVID-19Who this might be right forCOVID-19Sars-CoV-2 Infection Health Institutes of Turkey 4,340
Early research (Phase 1)Study completedNCT06032000What this trial is testingEvaluation of Safety and Immunogenicity of a SARS-CoV-2(Severe Acute Respiratory Syndrome Coronavirus 2) Booster Vaccine (LEM-mR203)Who this might be right forCOVID-19 InfectionCOVID-19 Vaccine Adverse Reaction Lemonex 20
Large-scale testing (Phase 3)Study completedNCT05925127What this trial is testingPhase 2/3 Heterologous Boosting Study With Different Dose Levels of Monovalent SARS-CoV-2 rS VaccinesWho this might be right forCOVID-19 Novavax 994