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Results for “Vaccine Effectiveness Against COVID-19”

50 trials

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Showing 20 of 50 results

Post-approval studies (Phase 4)Study completedNCT04914832
What this trial is testing

Effectiveness of Covid-19 Vaccination in Eswatini Against SARS-CoV-2 Associated Hospitalization and Death

Who this might be right for
COVID-19Pneumonia, Viral
Shabir Madhi 75,012
Post-approval studies (Phase 4)Study completedNCT05142319
What this trial is testing

Efficacy of Different COVID-19 Vaccine Combinations in Inducing Long-term Humoral Immunity [PRIBIVAC]

Who this might be right for
COVID-19
Tan Tock Seng Hospital 326
Not applicableStudy completedNCT05268679
What this trial is testing

Covid-19 Vaccine Response in Heart Transplant Recipients

Who this might be right for
Heart TransplantationCOVID-19 Virus InfectionCOVID-19 Vaccine
Assistance Publique - Hôpitaux de Paris 190
Not applicableStudy completedNCT05283902
What this trial is testing

Effectiveness, Immunogenicity and Safety of the Second Booster Dose of the Vaccine Against COVID-19 in the Elderly

Who this might be right for
COVID-19Vaccine Adverse ReactionVaccine-Preventable Diseases
Federal University of Espirito Santo 260
Large-scale testing (Phase 3)Study completedNCT04691908
What this trial is testing

Immunogenicity, Efficacy and Safety of QazCovid-in® COVID-19 Vaccine

Who this might be right for
Covid19SARS-CoV InfectionVaccine Adverse Reaction
Research Institute for Biological Safety Problems 3,000
Large-scale testing (Phase 3)UnknownNCT05225285
What this trial is testing

Efficacy, Immunogenicity and Safety of Inactivated Vaccine (Coronavac) Against SARS-COV2 in Children and Adolescents

Who this might be right for
COVID-19
Federal University of Espirito Santo 1,120
Testing effectiveness (Phase 2)Study completedNCT05230940
What this trial is testing

Efficacy, Immunogenicity, and Safety of TURKOVAC Vaccine Versus the CoronaVac Vaccine Against COVID-19 in Healthy Adolescent

Who this might be right for
COVID-19Sars-CoV-2 Infection
Health Institutes of Turkey 1
Post-approval studies (Phase 4)Study completedNCT06065176
What this trial is testing

The Efficacy of the 2023-2024 Updated COVID-19 Vaccines Against COVID-19 Infection

Who this might be right for
COVID-19Vaccine-Preventable DiseasesSARS CoV 2 Infection+2 more
Sarang K. Yoon, DO, MOH 1,188
Not applicableStudy completedNCT05282017
What this trial is testing

LatInamerican Vaccine Effectiveness Against Hospitalizations Due to Circulating COVID-19 VoC RWE Study

Who this might be right for
COVID-19, SARS-CoV-2
AstraZeneca 792
Large-scale testing (Phase 3)UnknownNCT04530396
What this trial is testing

Clinical Trial of Efficacy, Safety, and Immunogenicity of Gam-COVID-Vac Vaccine Against COVID-19

Who this might be right for
Covid19 Prevention
Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation 33,758
Not applicableUnknownNCT05518760
What this trial is testing

COVID-19 Effectiveness Study in the Philippines

Who this might be right for
COVID-19Vaccine Effectiveness Against COVID-19Hospitalized COVID-19
University of the Philippines 3,000
Early research (Phase 1)Study completedNCT05604690
What this trial is testing

Safety and Efficacy of Intranasal Administration of Avacc 10 Vaccine Against COVID-19 in Healthy Volunteers

Who this might be right for
COVID-19
Intravacc B.V. 40
Testing effectiveness (Phase 2)Study completedNCT04979949
What this trial is testing

Booster Vaccination Against COVID-19

Who this might be right for
COVID-19Sars-CoV-2 Infection
Health Institutes of Turkey 222
Large-scale testing (Phase 3)Ended earlyNCT04904549
What this trial is testing

Study of Monovalent and Bivalent Recombinant Protein Vaccines Against COVID-19 in Adults 18 Years of Age and Older

Who this might be right for
COVID-19
Sanofi Pasteur, a Sanofi Company 23,670
Large-scale testing (Phase 3)WithdrawnNCT04990466
What this trial is testing

Phase 2b/3 Trial of VSV-ΔG SARS-CoV-2 Vaccine (BRILIFE) Against Approved Comparator Vaccine.

Who this might be right for
COVID-19
NeuroRx, Inc.
Large-scale testing (Phase 3)Study completedNCT05096832
What this trial is testing

Recombinant SARS-CoV-2 Fusion Protein Vaccine (V-01) Booster Study

Who this might be right for
COVID-19 Pandemic
Livzon Pharmaceutical Group Inc. 10,381
Large-scale testing (Phase 3)Study completedNCT04955626
What this trial is testing

To Evaluate the Safety, Tolerability, Efficacy and Immunogenicity of BNT162b2 Boosting Strategies Against COVID-19 in Participants ≥12 Years of Age.

Who this might be right for
SARS-CoV-2 InfectionCOVID-19
BioNTech SE 16,372
Not applicableUnknownNCT05483725
What this trial is testing

Immunological Safety and Effectiveness of the First Booster Dose of mRNA Vaccines Against COVID-19 in Kidney Transplant Recipients.

Who this might be right for
Kidney DiseasesKidney Transplant; ComplicationsCOVID-19+3 more
Institute for Clinical and Experimental Medicine 108
Large-scale testing (Phase 3)UnknownNCT04984408
What this trial is testing

Efficacy, Immunogenicity and Safety of BBIBP-CorV Vaccine Against Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection.

Who this might be right for
COVID-19 Disease
International Vaccine Institute 8,825
Large-scale testing (Phase 3)UnknownNCT04642339
What this trial is testing

Clinical Trial of the Immunogenicity, Safety, and Efficacy of the Gam-COVID-Vac Vaccine Against COVID-19 in Venezuela

Who this might be right for
Covid19
Gamaleya Research Institute of Epidemiology and Microbiology, Health Ministry of the Russian Federation 2,000
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