ESPE Yearbook of Paediatric Endocrinology

In brief: This article describes the functionalities of the Global ALPL gene variant classification project, which aims to reclassify variants of uncertain significance (VUS) in the ALPL gene and to continuously assess and update genetic, phenotypic, and functional variant information in hypophosphatasia.Commentary: Hypophosphatasia (HPP) is a rare genetic disorder caused by loss-of-function mutations in the alkaline phosphatase ( A...

In brief: This observational analysis, based on data from the Global Hypophosphatasia Registry, reports the clinical profiles, prior to initiation of asfotase alfa enzyme replacement therapy, in a large cohort of children with hypophosphatasia (n=151), by age (<6 months vs 6 months to 18 years) and geographic region (USA/Canada, Europe, and Japan).Commentary: Hypophosphatasia (HPP) is a rare genetic disorder caused by loss-of-function mutations in th...