MeThODs This double-blind, placebo-controlled randomised clinical trial was conducted on a total of 67 overweight patients with T2DM for a duration of three months. Of these 67 patients, 32 received 2 g purified EPA daily, while 35 received a placebo of 2 g corn oil daily. The patients' fasting plasma glucose (FPG), serum insulin, glycated haemoglobin (HbA1c) and insulin sensitivity indices were assessed.ResUlTs After three months of EPA supplementation, the group that received EPA showed significant decreases in FPG (p < 0.001), HbA1c (p = 0.01) and homeostasis model assessment of insulin resistance (HOMA-IR) (p = 0.032), when compared to the placebo group. EPA supplementation resulted in decreased serum insulin levels, with the levels between the EPA and placebo groups showing a significant difference (p = 0.004). CONClUsIONThe results of our study indicate that EPA supplementation could improve insulin sensitivity. It was able to decrease serum insulin, FPG, HbA1c and HOMA-IR. EPA could have beneficial effects on glycaemic indices in patients with T2DM.
Background. Secreting different adipocytokines, adipose tissue plays an important role in health and disease. Upon omega-3 consumption, changes in the secretion of adipose tissue and its effects on glycemic profile are a controversial subject at the present time.Objectives. We evaluated the effects of eicosapentaenoic acid (EPA) alone and in combination with vitamin E on adiponectin and serum glycemic indices in type II Diabetes patients.Design. This double-blind clinical trial divided all patients randomly into four balanced permuted blocks of EPA, Vitamin E, EPA and vitamin E and placebo (Corn oil).Subjects and Methods. 127 patients with type II diabetes living in Kashan in 2008, 35-50 years old, and 25≤BMI ≤30 were enrolled. ELISA, Glucose Oxidase, spectrophotometry, and Radioimmunoassay methods were used for measurement of serum adiponectin, Fasting Blood Glucose (FBG), HbA1C, and Insulin, respectively.Results. Serum adiponectin increased significantly after EPA consumption in EPA and EPA+E groups. Moreover, FBG, HbA1c, serum insulin and Homeostasis Model HOMA-IR decreased significantly after EPA consumption in the two previously mentioned groups.Conclusions. This study showed that EPA supplementation affects the secretion of adipose tissue, improves the FBS as well as HbA1c values and significantly decreases fasting serum insulin and insulin resistance.
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