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Study of KRN23 (Burosumab), a Recombinant Fully Human Monoclonal Antibody Against Fibroblast Growth Factor 23 (FGF23), in Pediatric Subjects With X-linked Hypophosphatemia (XLH)

X-linked Hypophosphatemia Clinical Trial

Official title:
A Randomized, Open-Label, Dose Finding, Phase 2 Study to Assess the Pharmacodynamics and Safety of the Anti-FGF23 Antibody, KRN23, in Pediatric Patients With X-linked Hypophosphatemia (XLH)

Clinical Trial Summary

The 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

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02163577
Study type Interventional
Source Kyowa Kirin Co., Ltd.
Contact
Status Completed
Phase Phase 2
Start date July 2, 2014
Completion date October 30, 2018
View Details
See also
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Completed NCT04273490 - Characterising Pain, QoL, Body Composition, Arterial Stiffness, Muscles and Bones in Adult Persons With XLH and Healthy Controls
Completed NCT03489993 - FGF23 and Angiotensin-(1-7) in Hypophosphatemia (GAP)