Healthy Volunteers Clinical Trial
Official title:
INFLUENCE OF POLYPHENOLS ON OXIDATIVE STRESS IN HEALTHY INDIVIDUALS WITH HIGH METABOLISM RISK: RELATIONSHIP WITH THE MECHANISMS OF INSULIN RESISTANCE
Diet and nutrition play an essential role in the development and the clinical expression of the most common health problems. Overeating and obesity induce oxidative stress, which has been proposed to be a pathogenic mechanism leading to insulin resistance, type 2 diabetes (T2D) and associated cardiovascular complications. The main objective of the proposed research is to evaluate the beneficial effects of polyphenolic compounds derived from red grape marc extracts on the cascade of events leading from overeating to oxidative stress and insulin resistance. For that, we will study free radicals production, inflammatory markers, adipokines, mitochondrial function, insulin sensitivity and energy substrate utilization in healthy volunteers at risk for insulin resistance and T2D (1st degree relatives of T2D patients with associated overweight). These volunteers will be randomized between a placebo and a polyphenol group for 9 weeks. The demonstration of the beneficial effects of polyphenols will be sensitized by high-fructose feeding for the last 6 days of the protocol.
n/a
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Prevention
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