ESPE Abstracts

X-linked hypophosphatemia (XLH) is characterized by excess FGF 23, hypophosphatemia, skeletal deformities, and growth impairment. Due to the lack of large-scale and long-term observational studies, not enough evidence has been accumulated to gain consensus on optimal care. A longitudinal, observational cohort study (SUNFLOWER) was initiated in Japan and South Korea to clarify the course of XLH; delineate its physical, mental, and financial burdens; and collect information on t...