Efficacy of high versus conventional dose of ergocalciferol supplementation on serum 25-hydroxyvitamin D and interleukin-6 levels among hemodialysis patients with vitamin D deficiency: A multicenter, randomized, controlled study.

Published on Aug 17, 2021in Therapeutic Apheresis and Dialysis1.041
· DOI :10.1111/1744-9987.13722
Naowanit Nata5
Estimated H-index: 5
Wittaya Siricheepchaiyan + 1 AuthorsBancha Satirapoj15
Estimated H-index: 15
Long-term dialysis involves a chronic inflammatory state and produces a high prevalence of vitamin D deficiency. A clinical trial was conducted in hemodialysis with serum 25-hydroxyvitamin D (25[OH]D) level <30 ng/ml. The conventional-group (N = 35) and the high-dose group (N = 35) were treated with ergocalciferol according to the K/DOQI guidelines and double dosage of ergocalciferol from the recommendation for 8 weeks, respectively. The main outcomes were measured by serum 25[OH]D and interleukin-6 (IL-6). At the end of 8 weeks, a statistically significant greater increase was observed of mean serum 25[OH]D levels and a decrease of mean parathyroid hormone levels in the high-dose group compared with the conventional-dose group. The high dose group had the higher achievement of vitamin D sufficiency than the conventional-dose group (97.4% vs. 76.4%, p = 0.012). No significant difference was found in mean changes of serum IL-6 level in both groups, except subgroup patients with vitamin D deficiency or serum 25[OH]D <20 ng/ml, high dose treatment suppressed serum IL-6 level (-2.67 pg/ml [IQR -6.56 to -0.17], p = 0.039). No differences were observed between the two groups in adverse events. Oral high-dose ergocalciferol supplementation has achieved higher vitamin D sufficiency than standard dose in end stage renal disease patients on dialysis.
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