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ba0005ht6 | (1) | ECTS2016

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

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

In XLH, high circulating FGF23 causes hypophosphatemia, rickets, and short stature. In our Phase 2 study, 52 XLH children (ages 5-12 years, ≥Tanner 2) were randomized to receive KRN23 subcutaneously biweekly (Q2W) or monthly (Q4W). Serum phosphate (Pi) was measured biweekly. KRN23 dose was titrated (maximum 2 mg/kg) targeting age-appropriate serum Pi concentrations.The first 36 subjects had a mean 6.6 years of standard-of-care treatment before wash...

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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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