Insulin Resistance Clinical Trial
Official title:
Effect of Vitamin D Treatment on Glucose Homeostasis and Metabolism in Lebanese Older Adults: a Randomized Controlled Trial
Age affect insulin sensitivity and the metabolism, and vitamin D status was shown to have a correlation with markers of insulin resistance. That's why, we aimed in our trial to study the effect of vitamin D supplementation on glycemic markers and index of insulin resistance.
A low serum 25-hydroxyvitamin D [(25(OH) D)] concentration was shown to correlate with higher
fasting blood glucose (FBG) and insulin levels. Since age affect insulin sensitivity and the
metabolism, we aimed in this randomized controlled trial to investigate the effect of vitamin
D supplementation on glucose homeostasis and index of insulin resistance in elderly subjects
living in Beirut, Lebanon.
Participants (n= 115) deficient in vitamin D were randomly divided into two groups, a group
receiving 30,000 IU cholecalciferol/week for a period of 6 months, and a placebo group. The
index of insulin resistance HOMA (homeostasis model assessment) was the primary outcome.
Glucose homeostasis and metabolic markers were also measured at start of treatment and at 6
months.
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