COVID-19 Clinical Trial
Official title:
BCG Vaccination to Reduce the Impact of COVID-19 in Healthcare Workers (BRACE) Trial
Phase III, two-group multicentre, randomised controlled trial in up to 10 078 healthcare workers to determine if BCG vaccination reduces the incidence and severity of COVID-19 during the 2020 pandemic.
Healthcare workers are at the frontline of the coronavirus disease (COVID-19) pandemic. They will be randomised to receive a single dose of BCG vaccine or 0.9% NaCl placebo. Participants will be followed-up for 12 months with notification from a Smartphone application or phone calls (up to daily when ill) and surveys to identify and detail COVID-19 infection. Additional information on severe disease will be obtained from hospital medical records and/or government databases. Blood samples will be collected prior to randomisation and at 3, 6, 9 and 12 months to determine exposure to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Where required, swab/blood samples will be taken at illness episodes to assess SARS-CoV-2 infection. The trial includes a pre-planned meta-analysis with data from 2834 participants recruited in the Stage 1 of this study, where participants were randomised to receive BCG or no BCG vaccine at the time of receiving influenza vaccination. ;
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