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Post-menopausal Women clinical trials

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NCT ID: NCT03357016 Completed - Overweight Clinical Trials

HIIT Versus MICT on Abdominal Fat Mass and Lipid Oxidation in Postmenopausal Women (MATISSE)

Start date: February 1, 2017
Phase: N/A
Study type: Interventional

Postmenopausal women, as men, are more prone to central or android obesity than premenopausal women. Abdominal fat mass accumulation is associated with an increase of cardiovascular disease (CVD) risk. Most exercise programs designed for weight loss have focused on about 30 min several times per week of moderate intensity continuous training (MICT). Disappointingly, such exercise programs have led to either none or low fat loss. Accumulating evidence suggests that high intensity interval training (HIIT) should be an effective exercise protocol for reducing body fat of overweight individuals, especially at the abdominal level. Resistance Training (RT) is associated with increased muscle mass and strength gain in main muscles groups. Thus, RT seems to be an interesting strategy to fight against deconditioning and autonomy loss with age. Development of muscle mass enhances resting metabolism rate. Thus, RT could raise daily energy expenditure ie. substrates' oxidation including lipids. The aim of our study was to compare the effects of a 12-week moderate intensity continuous training (MICT) program with high intensity interval training (HIIT) program combined or not with a resistance training (RT) program on total abdominal and visceral fat mass and substrate utilization in postmenopausal women. It is hypothesized that HIIT compared to MICT program would result in significantly greater whole body and regional fat mass losses (abdominal and visceral) and would improve lipid oxidation at rest and during prolonged moderate exercise. It is also hypothesized that HIIT associated with RT could be the best strategy to reduce fat mass.

NCT ID: NCT02517801 Completed - Clinical trials for Post-menopausal Women

Investigation on the Sustained Effect of Anthocyanins on Endothelial Function in Postmenopausal Women

Start date: January 2015
Phase: N/A
Study type: Interventional

Anthocyanins are the most common polyphenols in berries and red wine, along with other flavonoids, phenolic acids, minerals and vitamins. Anthocyanins are extensively metabolized and they are transformed into glucuronides and phenolic acids. The investigators have recently shown that the acute consumption of blueberries leads to an increase in endothelium-dependent vasodilation measured as flow-mediated dilatation (FMD) in young male volunteers. There were significant correlations of these effects with the plasma concentration of phenolic acids and anthocyanin metabolites. Therefore, the present study aims at understanding to which extent the anthocyanins contained in berries are related with positive effects in endothelial function. A large part of the absorbed anthocyanin circulate in the blood in as methyl, glucuronyl and sulfate metabolites, as well as phenolic acids. The formation of these metabolites begins right as early as 2h after consumption due to metabolism at the small intestine and a second plasmatic peak occurs around 6h due the metabolism of colonic bacteria. Whether and which metabolites are associated with biological effects and the mechanisms underlying this effect remains unclear.