Vitamin D deficiency is very common in patients with fatty liver disease as evidenced by our observations in the Metabolic Liver Clinic and that reported by others. We also observed that patients with more severe fatty liver disease had lower Vitamin D concentrations. Others have shown that replacing Vitamin D in patients with cirrhosis is effective and even patients with Vitamin D replete status have lowering of Vitamin D over time if not supplemented. One of the measures of liver injury in NAFLD is the plasma concentration of ALT and we will use this to follow patients as is currently done as standard of care. All patients in the Metabolic Liver Clinic are being routinely screened for Vitamin D deficiency as standard of care and treatment is being started with oral supplementation, but there are not standardized protocols to determine success of therapy. We hypothesize that patients with NAFLD with low Vitamin D levels will respond appropriately to Vitamin D supplementation for 6 months.
Study Type
OBSERVATIONAL
Enrollment
48
Patients will be given an over the counter vitamin D supplement of 2000 units of D3 daily for 6 months
Cleveland Clinic Foundation
Cleveland, Ohio, United States
Change in vitamin D levels
Change in plasma vitamin D levels from baseline to 6 months
Time frame: Baseline and 6 months
Change in liver and renal function
Change in hepatic function panel and renal function panel from baseline to 6 months
Time frame: Baseline and 6 months
Change in body composition data
Change in blood pressure, waist circumference, BIA and CT scan if performed clinically
Time frame: Baseline and 6 months
Chang in lipid profile
Change in HDL, LDL, and TG from baseline to 6 months
Time frame: Baseline and 6 months
Change in insulin resistance
Change in insulin resistance from baseline to 6 months
Time frame: Basline and 6 months
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