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Non-specific Effects of Vaccines clinical trials

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NCT ID: NCT05397678 Recruiting - Morbidity;Newborn Clinical Trials

Trial to Compare BCG-Bulgaria and BCG-Denmark

BCGSTRAIN IV
Start date: October 21, 2022
Phase: Phase 4
Study type: Interventional

The trial will be a two-year outcome assessor-blinded RCT at the maternity ward of Hospital Simão Mendes (HNSM) in urban Bissau, Guinea-Bissau to compare vaccination with Bacillus Calmette-Guérin (BCG) Danish strain (AJ Vaccines, Copenhagen 1331 strain) versus BCG-Bulgaria (BB-NCIPD, BCG-SL 222 Sofia strain) 1:1 in 15,000 infants with respect to mortality, morbidity and case-fatality rate during hospital admission. The trial will also examine the association between BCG strains and BCG skin reaction kinetics and characteristics. As a secondary aim, this large study will be used to further evaluate the role of maternal BCG immune priming for overall health, since there are indications that the maternal BCG scar status influences offspring health outcomes.