Jesper Kjærgaard1, Nina M Birk2, Thomas N Nissen2, Lisbeth M Thøstesen3, Gitte T Pihl3, Christine S Benn4, Dorthe L Jeppesen2, Ole Pryds2, Poul-Erik Kofoed3, Peter Aaby5, Gorm Greisen6, Lone G Stensballe1. 1. The Department of Paediatrics and Adolescent Medicine, Juliane Marie Center, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark. 2. Department of Paediatrics 460, Copenhagen University Hospital, Hvidovre, Denmark. 3. Department of Paediatrics, Kolding Hospital, University of Southern Denmark, Kolding, Denmark. 4. Research Center for Vitamins and Vaccines (CVIVA), Statens Serum Institut and OPEN, Institute of Clinical Research, University of Southern Denmark/Odense University Hospital, Copenhagen, Denmark. 5. Bandim Health Project, Statens Serum Institut, Copenhagen, Denmark. 6. The Neonatal Department, Juliane Marie Centret, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark.
Abstract
BACKGROUND: Childhood infections are common and Bacillus Calmette-Guérin (BCG) vaccination at birth may prevent these via nonspecific effects. METHODS: A randomized, clinical multicenter trial. All women planning to give birth (n = 16,521) at the three study sites were invited during the recruitment period. Participating children were randomized to receive BCG within 7 d of birth or to a no intervention control group. Parent-reported infections (events) were collected using telephone interviews at 3 and 13 mo. Data collectors were blinded to allocation. RESULTS: The analyses included 4,224/4,262 (99%) and 4,192/4,262 (98%) children at 3 and 13 mo. From 0 to 3 mo, there were 291 events in the BCG group vs. 336 events in the control group, incidence rate ratio (IRR) = 0.87 (95% confidence interval (CI): 0.72 to 1.05). In this age group, the IRR was 0.62 (95% CI: 0.39 to 0.98) if the mother was BCG vaccinated. From 3 to 13 mo, there were 7,028 vs. 6,791 events, IRR = 1.02 (95% CI: 0.97 to 1.07). CONCLUSION: This study did not find a nonspecific public health benefit of BCG on parent-reported infections. BCG may have reduced the incidence of infections in children of BCG-vaccinated mothers during the first 3 mo.
RCT Entities:
BACKGROUND:Childhood infections are common and Bacillus Calmette-Guérin (BCG) vaccination at birth may prevent these via nonspecific effects. METHODS: A randomized, clinical multicenter trial. All women planning to give birth (n = 16,521) at the three study sites were invited during the recruitment period. Participating children were randomized to receive BCG within 7 d of birth or to a no intervention control group. Parent-reported infections (events) were collected using telephone interviews at 3 and 13 mo. Data collectors were blinded to allocation. RESULTS: The analyses included 4,224/4,262 (99%) and 4,192/4,262 (98%) children at 3 and 13 mo. From 0 to 3 mo, there were 291 events in the BCG group vs. 336 events in the control group, incidence rate ratio (IRR) = 0.87 (95% confidence interval (CI): 0.72 to 1.05). In this age group, the IRR was 0.62 (95% CI: 0.39 to 0.98) if the mother was BCG vaccinated. From 3 to 13 mo, there were 7,028 vs. 6,791 events, IRR = 1.02 (95% CI: 0.97 to 1.07). CONCLUSION: This study did not find a nonspecific public health benefit of BCG on parent-reported infections. BCG may have reduced the incidence of infections in children of BCG-vaccinated mothers during the first 3 mo.
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