Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: A Phase I/II, Open-Label, Repeat-Dose, Dose-Escalation Study of KRN23 in Adult Subjects With X-Linked Hypophosphatemia
Brief Summary: The primary purpose of this study is to assess the safety and efficacy of repeated subcutaneous (SC) injections of KRN23 in adult subjects with X-Linked Hypophosphatemia (XLH). A Bone Substudy will evaluate the effects of single-blind KRN23 versus Placebo on bone mineral density and bone quality.