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 ORIGINAL ARTICLE
Year : 2016  |  Volume : 26  |  Issue : 4  |  Page : 239-243

Effect of low dose nicotinic acid on hyperphosphatemia in patients with end stage renal disease


1 Loghman Hakim Clinical Research Development Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2 Department of Internal Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Correspondence Address:
N Zamanifar
Department of Internal Medicine, Shahid Beheshti University of Medical Sciences, Tehran
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-4065.161020

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Hyperphosphatemia is a risk factor for ectopic calcification and coronary artery diseases in end stage renal diseases (ESRD). The aim of this study was to assess the effect of low-dose nicotinic acid on hyperphosphatemia in patients with ESRD. This randomized, double-blind clinical trial was done on 70 ESRD patients with serum phosphoure ≥5.5 mg/dl. Patients were randomly divided into two equal groups (n = 35) and the intervention group received niacin 25 mg/day as the initial dose. After 4 weeks, in patients who did not respond to treatment, niacin dose was increased up to 50 mg/dl. At the end of week 8, in case there was no treatment effect, the dose was raised to 100 mg/day. The appropriate response to treatment was defined as serum phosphorous level reductions <5.5 mg/dl. The age was 50.5 ± 14.3 years and duration of dialysis 5.1 ± 5.3 months. In the niacin group, mean phosphorus level decreased from 6.7 ± 0.84 mg/dl at the end of the 1st month to 5.8 ± 1.0 mg/dl at the end of the 2nd month and to 4.4 ± 1.4 mg/dl at the end of the 3rd month (P = 0.004). In the placebo group, mean phosphorus level increased from 6.5 ± 1.2 mg/dl to 7.2 ± 0.91 mg/dl at the end of the 3rd month (P = 0.006). In the niacin group, high density lipoprotein (HDL) increased significantly from 45.00 ± 14.9 to 47.2 ± 11.6 (P = 0.009). We conclude that niacin (100 mg/day) decreased phosphorus serum level and increased HDL serum level in patients on dialysis.






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Indian Journal of Nephrology
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Online since 20th Sept '07