COVID-19 Clinical Trial
Official title:
A Randomised Controlled Trial to Assess the Immunogenicity, Safety & Reactogenicity of Standard Dose Versus Fractional Doses of COVID-19 Vaccines (Pfizer-BioNTech, AstraZeneca or Moderna) Given as a Booster Dose After Priming With Coronavac or AstraZeneca in Healthy Adults in Indonesia
This is a randomised controlled clinical trial to determine the reactogenicity and immunogenicity of booster doses of SARS-CoV-2 vaccines (Pfizer-BioNTech, AstraZeneca or Moderna) in adults who have previously received either AstraZeneca or Coronavac as their primary doses. Both fractional and standard doses of Pfizer-BioNTech, AstraZeneca and Moderna will be tested.
There will be a total of 800 participants in the study, to be randomised and administered booster doses in this study. The study will be conducted at 3 clinics in Bandung. Participants will have previously received primary doses of Coronavac or Astranzeneca, with the second dose administered at least 6 months previously. Participants will be followed for 12 months following the booster vaccine adminstration, with blood samples drawn at baseline, 28 days, 6 months and 12 months following booster vaccine administration. ;
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