Study of KRN23 (Burosumab), a Recombinant Fully Human Monoclonal Antibody Against Fibroblast Growth...
X-linked HypophosphatemiaThe objectives of the study are to: Identify a dose and dosing regimen of burosumab, based on safety and pharmacodynamic (PD) effect, in pediatric XLH participants Establish the safety profile of burosumab for the treatment of children with XLH including ectopic mineralization risk, cardiovascular effects, and immunogenicity profile Characterize the pharmacokinetic (PK)/PD profile of the KRN23 doses tested in the monthly (Q4) and biweekly (Q2) dose regimens in pediatric XLH patients Determine the PD effects of burosumab treatment on markers of bone health in pediatric XLH patients Obtain a preliminary assessment of the clinical effects of burosumab on bone health and deformity, muscle strength, and motor function Obtain a preliminary assessment of the effects of burosumab on participant-reported outcomes, including pain, disability, and quality of life in pediatric XLH patients Evaluate the long-term safety and efficacy of burosumab
A Study of KRN23 in Subjects With X-linked Hypophosphatemic Rickets/Osteomalacia
X-linked Hypophosphatemic Rickets/OsteomalaciaThe objective of this study is to assess the safety and tolerability of KRN23 after a single subcutaneous (SC) administration in subjects with X-linked hypophosphatemic rickets/osteomalacia (XLH) in Japan or Korea.
Milk Products in the Treatment of Hypophosphatemic Rickets
Hypophosphatemic RicketsThe aim of this study was to investigate the feasibility and efficacy of a high intake of milk and/or cheese products compared to phosphate tablets in patients with hypophosphatemic rickets when evaluating the S-phosphate levels as a main effect parameter. The study was designed as a randomized, multiple crossover study.
Study of the Safety, Pharmacodynamics (PD) and Efficacy of KRN23 in Children From 1 to 4 Years Old...
X-Linked HypophosphatemiaThe primary objectives of the study are to: Establish the safety profile of KRN23 for the treatment of XLH in children between 1 and 4 years old Determine the PD effects of KRN23 treatment on serum phosphorus and other PD markers that reflect the status of phosphate homeostasis in children between 1 and 4 years old with XLH
An Extension Study of KRN23 in Adults With X-Linked Hypophosphatemia
X-linked HypophosphatemiaThe 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).
Therapeutic Use of Oral Sodium Phosphate (Z-521) in Primary Hypophosphatemic Rickets
Primary Hypophosphatemic RicketsThe purpose of this study is to investigate the efficacy and safety of oral phosphate (Z-521) in subjects with primary hypophosphatemic rickets.
A Study of KRN23 in X-linked Hypophosphatemia
X-linked HypophosphatemiaThe primary objective of this study is to assess the safety and tolerability of KRN23 after a single intravenous (IV) and subcutaneous (SC) administration in XLH patients.
Study of KRN23 in Adults With X-linked Hypophosphatemia (XLH)
X-linked HypophosphatemiaThe primary efficacy objective of this study is to establish the effect of burosumab treatment compared with placebo on increasing serum phosphorus levels in adults with XLH.
Efficacy and Safety of Burosumab (KRN23) Versus Oral Phosphate and Active Vitamin D Treatment in...
X-Linked HypophosphatemiaThe primary objective of this study is to evaluate the effect of KRN23 (burosumab) therapy in improving rickets in children with XLH compared with active control (oral phosphate/active vitamin D).
Open Label Trial Assessing Safety and Efficacy of Burosumab (KRN23), in a Patient With ENS and Hypophosphatemic...
HypophosphatemiaHypophosphatemic Rickets2 moreA 52 week, open label trial to assess the safety and efficacy of KRN23, an investigational antibody to FGF23, in a single pediatric patient with Epidermal Nevus Syndrome(ENS) and associated hypophosphatemic rickets A 26 weeks extension to original study to monitor patient lab results for her safety.