ORIGINAL ARTICLE
Year : 2013  |  Volume : 4  |  Issue : 2  |  Page : 336-340

Effect of high-dose zinc supplementation with oral hypoglycemic agents on glycemic control and inflammation in type-2 diabetic nephropathy patients


1 Department of Community Medicine, King George Medical University, Lucknow, India
2 Department of Internal Medicine, King George Medical University, Lucknow, India
3 Department of Pathology, King George Medical University, Lucknow, India

Correspondence Address:
Kauser Usman Siddique
Department of Internal Medicine, King George Medical University, Lucknow
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-9668.117002

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Objective: The study aims to evaluate the effect of zinc sulfate on markers of glycemic control, lipid profile and inflammation in type-2 diabetes with microalbuminuria patients. Materials and Methods: Type-2 diabetes with microalbuminuria patients on oral hypoglycemic agents (OHA) and angiotensin converting enzyme (ACE) inhibitors were selected and divided into 2 groups: One group ( n = 27) continued with OHA alone, second group ( n = 27) was on OHA and in addition 50 mg elemental zinc as zinc sulphate supplementation for 12 weeks. Fasting, post-prandial blood glucose, glycosylated hemoglobin, lipid profiles, inflammatory marker hs-CRP and urine microalbumin were measured. Results: There were no significant differences in biochemical status among groups at baseline. After receiving zinc, the mean fasting blood glucose (FBS), post-prandial blood glucose (PPBS) and glycosylated hemoglobin (HbA1c) were decreased significantly ( P = 0.0001). Significant decrease was observed in TG ( P = 0.002) and VLDL-cholesterol ( P = 0.002), whereas there was no significant decrease in TC and LDL-cholesterol. The high-density lipoprotein (HDL) cholesterol was significantly ( P = 0.0001) increased from baseline. Zinc supplementation had significant effects in decreasing serum hs-CRP from 10.51 ± 1.68 mg/L to 7.75 ± 1.56 mg/L ( P = 0.0001) and microalbumin level from 146.87 ± 30.83 mg/day to 80.70 ± 33.99 mg/day ( P = 0.0001). There were no significant changes in the levels of all these parameters in OHA group. Conclusion: Our results conclude that supplementation of zinc improved the effectiveness of OHA and may be beneficial in decreasing blood glucose, TG, urinary albumin excretion and inflammation in diabetic nephropathy patients and thus reducing the risk of complications.


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