Anti-FGF23 antibody, KRN23, in pediatric patients with XLH

  • Research type

    Research Study

  • Full title

    A Randomized, Open-Label, Dose Finding, Phase 2 Study to Assess the Pharmacodynamics and Safety of the anti-FGF23 antibody, KRN23, in Paediatric Patients with X-linked Hypophosphatemia (XLH)

  • IRAS ID

    153048

  • Contact name

    Raja Padidela

  • Contact email

    raja.padidela@cmft.nhs.uk

  • Sponsor organisation

    Ultragenyx Pharmaceutical

  • Eudract number

    2014-000406-35

  • ISRCTN Number

    NA

  • Clinicaltrials.gov Identifier

    NA

  • Research summary

    The purpose of this research study is to asses if an experimental drug called KRN23 is an effective and safe treatment for prepubescent children ages 5-12 years with X-linked hypophosphatemia (XLH). KRN23 will be administered via subcutaneous (SC) injections monthly (Q4)or biweekly (Q2) for a total of 64 weeks. The study consists of a 16-week individual dose Titration Period, followed by a 48-week Treatment Period. The study will enrol approximately 30 paediatric patients with XLH and radiographic evidence of bone disease. Subjects will need to discontinue oral phosphate and vitamin D metabolite therapy prior to randomization and throughout the duration of the study.

  • REC name

    East Midlands - Derby Research Ethics Committee

  • REC reference

    14/EM/0174

  • Date of REC Opinion

    28 May 2014

  • REC opinion

    Further Information Favourable Opinion