ESPE Abstracts

Background: Hypophosphatemic rickets (HHR) is a vitamin D-resistant rickets and results in children in variable degrees of delayed walking, waddling gait, leg bowing, enlarged cartilages, bone pain, craniostenosis and growth failure. There are both inherited and acquired forms, where FGF23-dependent forms with X-linked dominant hypophosphatemic rickets (XLH) head of the list is the most prevalent genetic form; molecular defects of the sodium-phosphate co-trans...