ArticleIranian journal of pharmaceutical research : IJPR
The Role of Zinc Supplementation in Alleviating Inflammatory Biomarkers in Patients Undergoing Hemodialysis: A Randomized Placebo Controlled, Crossover Trial.
Article in Iranian journal of pharmaceutical research : IJPR. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Chronic kidney disease (CKD), which progresses to end-stage renal disease (ESRD) and requires maintenance hemodialysis (MHD), is a global health issue. Inflammation in MHD patients is associated with increased mortality and cardiovascular events. Zinc, essential for immune function and possessing anti-inflammatory properties, is frequently deficient in these patients and could potentially help mitigate inflammation. Objectives: This study aims to assess the impact of zinc supplementation on inflammatory biomarkers, specifically (CRP) and the neutrophil-to-lymphocyte ratio (NLR), in MHD patients. Methods: In a double-blind, randomized controlled crossover trial conducted at Labafinejad Hospital, Tehran, MHD patients with zinc deficiency were initially allocated to either a zinc supplementation group or a placebo group. After 30 days, the groups were crossed over, with patients initially receiving zinc now receiving a placebo and vice versa. The primary outcome was changes in serum zinc levels, while secondary outcomes focused on CRP and NLR levels. Results: Significant changes in serum zinc levels were observed in both groups from baseline to Month 2 (drug-placebo group: Mean change -15.9±10.33 µg/dL, P < 0.05; placebo-drug group: Mean change -14.70 ± 12.58 µg/dL, P < 0.05). A significant initial reduction in CRP levels at Month 1 (P = 0.045) was not sustained at Month 2 (P = 0.812). No statistically significant changes in NLR were noted. Improvements in quality of life, including reductions in muscle pain and skin dryness, were significant in the drug-placebo group (P < 0.05). Conclusions: Zinc supplementation in MHD patients significantly improved serum zinc levels and initially reduced CRP levels, highlighting its potential role in managing inflammation. Although the impact on NLR was not significant, overall patient outcomes and quality of life showed promising improvements.
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