Reference : Vitamin D-Resistant Rickets and Cinacalcet-One More Favorable Experience.
Scientific journals : Article
Human health sciences : Endocrinology, metabolism & nutrition
Human health sciences : Urology & nephrology
Human health sciences : Pediatrics
http://hdl.handle.net/2268/231254
Vitamin D-Resistant Rickets and Cinacalcet-One More Favorable Experience.
English
Nicolescu, Ramona C. [> >]
Lombet, Jacques mailto [Université de Liège - ULiège > Département des sciences cliniques > Département des sciences cliniques >]
Cavalier, Etienne [Université de Liège - ULiège > Département de pharmacie > Chimie médicale >]
Nov-2018
Frontiers in Pediatrics
6
376
Yes (verified by ORBi)
International
2296-2360
Switzerland
[en] 1 ; 25-dihydroxyvitamin D3 ; alopecia ; cinacalcet ; rickets ; vitamin D receptor
[en] Hereditary vitamin D-resistant rickets (HVDRR) is an autosomal recessive disorder characterized by early onset of severe rickets, with a complete triad of clinical, biochemical and skeletal abnormalities. Homozygous or heterozygous mutations in the vitamin D receptor (VDR) gene leading to complete or partial target organ resistance to the action of 1alpha, 25-dihydroxyvitamin D3 (the active form of vitamin D) are responsible for HVDRR. Theoretically the therapeutic goal is to overcome this tissue resistance, and to normalize calcium and phosphate homeostasis. Practically, the treatment could be oriented to correct the secondary hyperparathyroidism to avoid long-term negative impact on bone health. The conventional therapeutic strategy (high-dose calcium plus active vitamin D metabolites) gives variable responses in magnitude and duration. We report a case of HVDRR with heterozygous mutation in the VDR gene, neonatal alopecia, and a severe clinical phenotype diagnosed at the age of 30 months who showed unsatisfactory response to traditional therapy. The short-term responsiveness to cinacalcet was encouraging, with adequate correction of phosphate-calcium homeostasis and significant improvement of clinical and radiological status at 6 months of treatment.
http://hdl.handle.net/2268/231254
10.3389/fped.2018.00376

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