There is one clinical trial.

Clinical Trials

1 Using BCG Vaccine to Enhance Non-specific Protection of Health Care Workers During the COVID-19 Pandemic. A Randomized Controlled Multi-center Trial

Background: The COVID-19 pandemic challenges the available hospital capacity, and this will be augmented by absenteeism of healthcare workers (HCW). HCW are at high risk, currently HCW constitute 20% of all the COVID-19 cases in Denmark. Strategies to prevent absenteeism of HCW are urgently needed. Bacille Calmette-Guérin (BCG) is a vaccine against tuberculosis, with protective non-specific effects against other infections; significant reductions in morbidity and mortality have been reported, and a plausible immunological mechanism has been identified. We hypothesize that BCG vaccination can reduce HCW absenteeism during the COVID-19 pandemic. Primary objective: To reduce absenteeism among HCW with direct patient contacts during the COVID-19 epidemic. Secondary objective: To reduce the number of HCW that are infected with SARS-CoV-2 during the COVID-19 epidemic and to reduce the number of hospital admissions amongst HCW with direct patient contacts during the COVID-19 epidemic. Study design: A multi-center randomized placebo controlled trial. Study population: 1500 HCW with direct patient contacts; defined as nurses, physicians and other medical staff working at emergency rooms and wards where COVID-infected patients are treated. Intervention: Participants will be randomized 1:1 to intradermal administration of a standard dose of BCG vaccine or placebo (saline). Main study parameters/endpoints: Primary endpoint: Number of days of (unplanned) absenteeism for any reason. Secondary endpoints: Number of days of (unplanned) absenteeism because of documented COVID infection. Cumulative incidence of hospital admissions. Risk for participants and impact: Based on previous experience and randomized controlled trials in adult and elderly individuals, the risks of BCG vaccination are considered low. The objective of this trial is to evaluate the potential beneficial effects of BCG vaccination through a lower work absenteeism rate of HCW and/or a mitigated clinical course of COVID infection.

NCT04373291 COVID-19 Non-specific Effects of Vaccines Morbidity Absenteeism Heterologous Immunity Biological: BCG-Denmark Biological: Saline

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