Abstract:
BACKGROUND:Sclerostin is a paracrine acting factor, which is expressed in the osteocytes and articular chondrocytes. Sclerostin decreases the osteoblast-related bone formation through the inhibition of the Wnt/β-catenin pathway. Osteocytes also express the Calcium sensing receptor which is a target for cinacalcet. The aim of this study was to assess the influence of six-month cinacalcet treatment on plasma sclerostin concentration in hemodialysed patients with secondary hyperparathyroidism (sHPT). METHODS:In 58 hemodialysed patients with sHPT (PTH > 300 pg/ml) plasma sclerostin and serum PTH, calcium and phosphate concentrations were assessed before the first dose of cinacalcet and after 3 and 6 months of treatment. RESULTS:Serum PTH concentration decreased after 3 and 6 month of treatment from 1138 (931-1345) pg/ml to 772 (551-992) pg/ml and to 635 (430-839) pg/ml, respectively. Mean serum calcium and phosphate concentrations remained stable. Plasma sclerostin concentration increased after 3 and 6 months of treatment from 1.66 (1.35-1.96) ng/ml, to 1.77 (1.43-2.12) ng/ml and to 1.87 (1.50-2.25) ng/ml, respectively. In 42 patients with cinacalcet induced serum PTH decrease plasma sclerostin concentration increased after 3 and 6 months of treatment from 1.51 (1.19-1.84) ng/ml to 1.59 (1.29-1.89) ng/ml and to 1.75 (1.42-2.01) ng/ml, respectively. Contrary, in the 16 patients without cinacalcet induced serum PTH decrease plasma sclerostin concentration was stable. Plasma sclerostin concentrations correlated inversely with serum PTH concentrations at the baseline and also after 6 months of treatment. CONCLUSIONS:1. In hemodialysed patients with secondary hyperparathyroidism treatment with cinacalcet increases plasma sclerostin concentration 2. This effect seems to be related to decrease of serum PTH concentration.
journal_name
BMC Nephroljournal_title
BMC nephrologyauthors
Kuczera P,Adamczak M,Więcek Adoi
10.1186/s12882-016-0392-6subject
Has Abstractpub_date
2016-11-15 00:00:00pages
176issue
1issn
1471-2369pii
10.1186/s12882-016-0392-6journal_volume
17pub_type
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