Endocrine Abstracts

Background: X-Linked Hypophosphataemia (XLH) is a rare, progressive, hereditary phosphate wasting disorder characterised by a pathological increase in fibroblast growth factor 23 concentration/activity. Despite XLH being increasingly recognised as a chronic progressive disease, there are few data documenting its natural history or impact of treatment. The International XLH Registry will collect data to characterise burden of disease, disease progression and long-term outcomes....