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hrp0086fc2.6 | Bone & Mineral Metabolism | ESPE2016

Effect of KRN23, a Fully Human Anti-FGF23 Monoclonal Antibody, on Rickets in Children with X-linked Hypophosphatemia (XLH): 40-week Interim Results from a Randomized, Open-label Phase 2 Study

Linglart Agnes , Carpenter Thomas , Imel Erik , Boot Annemieke , Hogler Wolfgang , Padidela Raja , van't Hoff William , Whyte Michael , Chen Chao-Yin , Skrinar Alison , Agarwal Sunil , Martin Javier San , Portale Anthony

Background: In XLH, high circulating FGF23 causes hypophosphatemia, rickets, and short stature.Objective and hypotheses: To evaluate KRN23 effects on serum phosphate (Pi) level and rickets severity in XLH children in a Phase 2 study.Method: 52 XLH children (ages 512 years, ≤Tanner 2) received KRN23 subcutaneously biweekly (Q2W) or monthly (Q4W). Serum Pi was measured at 2-week intervals. KRN23 dose was titrated (maximum...

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ESPE Abstracts

Effect of KRN23, a Fully Human Anti-FGF23 Monoclonal Antibody, on Rickets in Children with X-linked Hypophosphatemia (XLH): 40-week Interim Results from a Randomized, Open-label Phase 2 Study

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