Document Type : Original Article
Authors
1 Faculty of Medicine, Islamic University of Gaza, Gaza, Palestine
2 Faculty of Health Sciences, Department of Laboratory Medical Sciences, Islamic University of Gaza, Gaza, Palestine
3 Faculty of Science, Al Azhar University of Gaza, Gaza Strip, Palestine
Abstract
Background: Vitamin D deficiency is involved in a broad spectrum of diseases including chronic kidney disease (CKD).
Objectives: This study was designed to assess serum vitamin D, renal biomarkers, protein profile, and electrolytes in CKD patients with a clinical trial of vitamin D therapy.
Methods: This case-control follow-up interventional study comprised 42 CKD patients and 42 apparently healthy controls. Patients and controls were matched for age and gender. Patients were assigned to receive, a weekly oral dose of vitamin D3 (50000 IU) for 3 successive months. The follow-up therapy was conducted under direct and full physician supervision.
Results: Vitamin D was significantly lower in CKD patients compared to controls (29.6±12.4 versus 35.2±9.9 ng/dL, P=0.033). Significant increases were shown in the urea, creatinine, and uric acid in patients compared to controls whereas glomerular filtration rate (GFR), total protein, albumin, and calcium were significantly lower in patients. A significant improvement was noted for vitamin D and calcium where they registered mean values of 43.8±9.1 ng/dL and 9.65±0.70 mg/dL at the end of the therapeutic period compared to 29.6±12.4 ng/dL and 8.61±0.77 mg/dL in patients before vitamin D therapy (P=0.028 and P=0.033, respectively).
Conclusion: General amelioration of the metabolic profile of CKD patients in response to vitamin D therapy has been shown. Besides a significant improvement in vitamin D and calcium. Consequently, vitamin D is a useful candidate in clinical settings for the improvement of renal function and controlling of CKD, and more importantly its complications.
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