Hemophilia B Leyden : characteristics and natural history in the International Pediatric Network of Hemophilia Management Registry
Background: A unique form of hemophilia B (HB) is HB Leyden. We evaluated the international Pediatric Network on Hemophilia Management Registry (PedNet) database to explore the natural history of HB Leyden, investigate genotype-phenotype associations, and guide clinical decision-making. Objectives: To assess the association between genetic variants, endogenous factor (F)IX levels over time, treatm
