Found 11 matching trials
Combination Assessment Trial of COVID-19 Vaccines (COMBAT-COVID)
PHASE2This is a randomized, phase II trial which will be conducted among voluntee...
Location
National Institute of Health
Profiling Antibody Status and Vaccine Effectiveness in Post Vaccination With SARS CoV2 in Ain Shams University
PHASE2This is a prospective intervention study to assess the effectiveness of bot...
Location
Faculty of Medicine Ain Shams University Research Institute- Clinical Research Center
Booster Study of COVID-19 Protein Subunit Recombinant Vaccine
PHASE2Observer-blind, randomized, active-controlled prospective intervention stud...
Location
Faculty of Medicine Universitas Udayana
Effect of Different SARS-CoV-2 Vaccine Schedules and Vaccination Intervals on Reactogenicity and Humoral Immunogenicity
N/AInvestigation of the reactogenicity and immunogenicity of homologous and he...
Location
Helios Hospital Hildesheim
Third Dose Vaccination With AstraZeneca or Pfizer COVID-19 Vaccine Among Adults Received Sinovac COVID-19 Vaccine
PHASE2This prospective, multi-center, randomized, observer-blind Phase 2 study. A...
Location
Faculty of Medicine Siriraj Hospital, Mahidol University
Immunogenicity of COVID-19 Vaccines in Tuberculosis Patients
N/AThis study is a non-randomized observation and comparison of immune respons...
Location
Shoklo Malaria Research Unit (SMRU)
Collaborative Study to Evaluate Heterologous Vaccination Against Covid-19 in Argentina
PHASE2Randomized, open, multicenter, collaborative and adaptive non-inferiority t...
Effects of COVID 19 Vaccine on Egyptian Population
N/AThe aim of this study is to identify adverse events following vaccination b...
Location
Multiple Locations
Antibody Response to COVID-19 Vaccines in Liver Disease Patients
PHASE4Currently the Pfizer-Biontech (mRNA), Sinovac (inactivated virus) and Astra...
Location
Humanity & Health Medical Group Limited
Safety and Immunogenicity of Recombinant COVID-19 Variant Vaccine (Sf9 Cell) as a Booster
PHASE2This is a randomized, phase Ⅱ, single-blind, randomized, parallel-group con...
Location
Clínica de Enfermedades Crónicas y de Procedimientos Especiales, S.C.