Title: Cinacalcet for secondary hyperparathyroidism in patients receiving hemodialysis
Authors: Block, Geoffrey A ×
Martin, Kevin J
de Francisco, Angel L M
Turner, Stewart A
Avram, Morrell M
Suranyi, Michael G
Hercz, Gavril
Cunningham, John
Abu-Alfa, Ali K
Messa, Piergiorgio
Coyne, Daniel W
Locatelli, Francesco
Cohen, Raphael M
Evenepoel, Pieter
Moe, Sharon M
Fournier, Albert
Braun, Johann
McCary, Laura C
Zani, Valter J
Olson, Kurt A
Drüeke, Tilman B
Goodman, William G #
Issue Date: Apr-2004
Series Title: The New England Journal of Medicine vol:350 issue:15 pages:1516-25
Abstract: BACKGROUND: Treatment of secondary hyperparathyroidism with vitamin D and calcium in patients receiving dialysis is often complicated by hypercalcemia and hyperphosphatemia, which may contribute to cardiovascular disease and adverse clinical outcomes. Calcimimetics target the calcium-sensing receptor and lower parathyroid hormone levels without increasing calcium and phosphorus levels. We report the results of two identical randomized, double-blind, placebo-controlled trials evaluating the safety and effectiveness of the calcimimetic agent cinacalcet hydrochloride. METHODS: Patients who were receiving hemodialysis and who had inadequately controlled secondary hyperparathyroidism despite standard treatment were randomly assigned to receive cinacalcet (371 patients) or placebo (370 patients) for 26 weeks. Once-daily doses were increased from 30 mg to 180 mg to achieve intact parathyroid hormone levels of 250 pg per milliliter or less. The primary end point was the percentage of patients with values in this range during a 14-week efficacy-assessment phase. RESULTS: Forty-three percent of the cinacalcet group reached the primary end point, as compared with 5 percent of the placebo group (P<0.001). Overall, mean parathyroid hormone values decreased 43 percent in those receiving cinacalcet but increased 9 percent in the placebo group (P<0.001). The serum calcium-phosphorus product declined by 15 percent in the cinacalcet group and remained unchanged in the placebo group (P<0.001). Cinacalcet effectively reduced parathyroid hormone levels independently of disease severity or changes in vitamin D sterol dose. CONCLUSIONS: Cinacalcet lowers parathyroid hormone levels and improves calcium-phosphorus homeostasis in patients receiving hemodialysis who have uncontrolled secondary hyperparathyroidism.
ISSN: 0028-4793
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Nephrology
× corresponding author
# (joint) last author

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