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Outcome of adult patients with X-linked hypophosphatemia caused by PHEX gene mutations

Chesher, D; Oddy, M; Darbar, U; Sayal, P; Casey, A; Ryan, A; Sechi, A; ... Murphy, E; + view all (2018) Outcome of adult patients with X-linked hypophosphatemia caused by PHEX gene mutations. Journal of Inherited Metabolic Disease , 41 (5) pp. 865-876. 10.1007/s10545-018-0147-6. Green open access

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Abstract

X-linked hypophosphatemia (XLH) is the most common monogenic disorder causing hypophosphatemia. This case-note review documents the clinical features and the complications of treatment in 59 adults (19 male, 40 female) with XLH. XLH is associated with a large number of private mutations; 37 different mutations in the PHEX gene were identified in this cohort, 14 of which have not been previously reported. Orthopaedic involvement requiring surgical intervention (osteotomy) was frequent. Joint replacement and decompressive laminectomy were observed in those older than 40 years. Dental disease (63%), nephrocalcinosis (42%), and hearing impairment (14%) were also common. The rarity of the disease and the large number of variants make it difficult to discern specific genotype-phenotype relationships. A new treatment, an anti-FGF23 antibody, that may affect the natural history of the disease is currently being investigated in clinical trials.

Type: Article
Title: Outcome of adult patients with X-linked hypophosphatemia caused by PHEX gene mutations
Location: Netherlands
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/s10545-018-0147-6
Publisher version: https://doi.org/10.1007/s10545-018-0147-6
Language: English
Additional information: Copyright © The Author(s) 2018. Open Access: This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Keywords: Dental abcess, Enthesopathy, Nephrocalcinosis, Osteotomy, PHEX, Phosphate regulating endopeptidase homologue, X-linked hypophosphatemia, XLH
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Div of Surgery and Interventional Sci
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health > Developmental Biology and Cancer Dept
URI: https://discovery.ucl.ac.uk/id/eprint/10048064
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