ESPE Abstracts

X-linked hypophosphataemia (XLH) is the most common form of inherited hypophosphataemic rickets, caused by loss-of-function mutations in the gene encoding phosphate-regulating endopeptidase homologue X-linked (PHEX), resulting in excess circulating fibroblast growth factor 23 (FGF-23).1,2 In children, clinical features include delayed walking, waddling gait, leg bowing, pain, spontaneous dental abscesses and growth failure. Current therapies do not treat the underly...

Background: Partial gonadal dysgenesis is a rare 46, XY Disorder of sex development (DSD) characterized by a varying degree of testicular dysgenesis, ambiguous genitalia, and persistence or absence of regression of Müllerian structures. Many studies examined the challenges in presentation and gender assignment regarding the genital features, genetic mutations and histopathological risks of dysgenetic gonads. More recently some studies described the long-term outcome of pa...

Objective: Puberty has a significant contribution to different psychosocial wellbeing aspects. Hence; it is crucial to understand the normal variations in onset and tempo of puberty in a specific population. In this study, we aimed to provide normative data on timing of onset of puberty and age of menarche in Saudi schoolgirls in RiyadhMethods: This is a cross-sectional field study (2011-2013) including Saudi schoolgirls...

Background: Data on FGF23-related Hypophosphatemic rickets (HR)/osteomalacia in GCC are sparse. This observational registry aims to collect data on the treatment, disease burden, progression, and long-term outcomes among patients with FGF23-related HR/osteomalacia in GCC, effectiveness and safety of treatments, quality of life and healthcare resource utilization.Methods: This multicenter registry aims to enroll 200 patie...