alexa Efficacy of Cinacalcet for the Treatment of Secondary Hyperparathyroidism in CKD Patients on Peritoneal or Hemo Dialysis: The Middle-East Experience
ISSN: 2161-0959

Journal of Nephrology & Therapeutics
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Research Article

Efficacy of Cinacalcet for the Treatment of Secondary Hyperparathyroidism in CKD Patients on Peritoneal or Hemo Dialysis: The Middle-East Experience

Abdullah Al-Hwiesh1*, Ahmed Alsaloom1, Krishan Lal Gupta2, Ibrahiem Saee1, Raja Ramchandran2 and Fahad Al-Mohanna1

1Nephrology Division, Department of Internal Medicine, King Fahd Hospital of the University, Al-Khobar, Saudi Arabia

2Department of Nephrology, Postgraduate Institute of Medical, Education and Research, Chandigarh, India

*Corresponding Author:
Dr. Abdullah Al-Hweish
Chairman, Department of Internal Medicine
King Fahd Hospital of the University
Al-Khobar, Saudi Arabia
E-mail: [email protected]

Received Date: October 07, 2011; Accepted Date: January 05, 2012; Published Date: January 06, 2012

Citation: Al-Hwiesh A, Alsaloom A, Gupta KL, Saee I, Ramchandran R, et al. (2012) Efficacy of Cinacalcet for the Treatment of Secondary Hyperparathyroidism in CKD Patients on Peritoneal or Hemo Dialysis: The Middle-East Experience. J Nephrol Therapeutic 2:113. doi:10.4172/2161-0959.1000113

Copyright: © 2012 Al-Hwiesh A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Background:Management of secondary hyperparathyroidism is challenging with traditional therapy. The calcimimetic cinacalcet hydrochloride acts on the calcium-sensing receptors to increase its sensitivity to calcium, thereby reducing parathyroid hormone (PTH) secretion. Calcimimetics lower parathyroid hormone levels without increasing calcium and phosphorus levels.

Aim:To evaluate effectiveness of cinacalcet hydrochloride in reducing serum intact PTH levels in patients with end stage renal diseases and secondary hyperparathyroidism.

Material methods: The study included patients who were receiving regular dialysis and had inadequately controlled secondary hyperparathyroidism despite standard treatment (calcium based phosphorus binders and/or sevlamer carbonate at ceiling doses with or without vitamin D sterols - 1,25(OH)2-vitamin D). They were assigned to receive cinacalcet (Group I, n= 69; 45 on hemodialysis and 24 on peritoneal dialysis) or their usual drugs without cinacalcet (Group II, n= 40; 20 on hemodialysis and 20 on peritoneal dialysis) for 12 months. Once-daily doses of cinacalcet hydrochloride was increased from 30 mg to 180 mg to achieve intact parathyroid hormone levels of < 300 pg/ml. Serum calcium, phosphorous and iPTH were monitored before starting cinacalcet, at 3 months, 6 months and 12 months.

Results: Overall the mean intact PTH before start of therapy was 1086 ± 84.52 pg/ml (cinacalcet-group I) and 644.9 ± 86.58 pg/ml (no-cinacalcet group II) [p= 0.60]. At the end of the study these levels changed to 465.1± 46.51 pg/ml and 914± 173.6 pg/ ml respectively [p=0.01]. Serum calcium at 12 months was higher in the cinacalcet group compared to controls. Serum phosphorus was higher in the cinacalcet group at the start of therapy and persisted to remain so till end of study at 12 months

Conclusion:Cinacalcet effectively lowers parathyroid hormone levels in patients receiving dialysis and having uncontrolled secondary hyperparathyroidism. Frequent monitoring and adequate replacement with calcium and vitamin D sterols prevent hypocalcemia with cinacalcet therapy. Thus, cinacalcet is a goad therapeutic option for controlling secondary hyperparathyroidism in end-stage renal disease patients on both hemo and peritoneal dialysis.

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