Background: Cinacalcet reduces intact parathyroid hormone (iPTH), Ca and P serum levels in patients with secondary hyperparathyroidism (SHPT).

Methods: This Spanish, multicenter, observational, retrospective study collected data from SHPT dialysis patients 12 weeks before and up to 72 weeks after starting cinacalcet in clinical practice.

Results: Data from 428 patients with uncontrolled SHPT despite receiving standard of care (29% with baseline iPTH 501-800 pg/ml; 51% with >800 pg/ml) were collected. Percentages of patients within National Kidney Foundation Kidney Disease Outcomes Quality Initiative targets at baseline and 72 weeks were: iPTH, 0 versus 32.5% (p < 0.05); Ca, 40.1 versus 50% (p < 0.05); P, 47.7 versus 53.8% (p = 0.162). Vitamin D sterol use decreased from 53.3% at baseline to 36.7% at 72 weeks (p < 0.05). The mean ± SD cinacalcet dose at 72 weeks was 44.0 ± 25.8, 51.7 ± 31.3 and 57.1 ± 37.0 mg for patients with baseline iPTH 301-500, 501-800 or >800 pg/ml, respectively. The main adverse reactions were nausea (5.4%), dyspepsia (5.1%) and vomiting (3.7%).

Conclusions: The introduction of cinacalcet improved the routine clinical management of SHPT in a large cohort of Spanish dialysis patients. Cinacalcet is effective and well tolerated regardless of disease severity, and maintains its efficacy over 72 weeks.

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http://dx.doi.org/10.1159/000319882DOI Listing

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