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Clinical Trial Summary

Obesity is characterized as a low-grade systemic inflammatory disease, which changes several pro-and anti-inflammatory cytokines. The practice of physical activity is a non-pharmacological method that results in the reduction of the systemic inflammatory state and, when associated with hypoxia exposure, may substantially improve this state. Deep-water running is highly indicated to obese for guarantee less joint impact and lower fatigue levels. In this way, the high-intensity exercise associated with intermittent recovery hypoxia in obese women will be investigated.


Clinical Trial Description

Obesity is characterized as a low-grade systemic inflammatory disease. With the increase in adipose tissue, several cytokines show alterations in synthesis and secretion, resulting in endocrine imbalances. The cytokines that most influence this process are adiponectin, which is anti-inflammatory and reduces its concentration during obesity. At the same time, the pro-inflammatory cytokines are tumor necrosis factor-alpha (TNF-α) and interleukin-6 (IL-6), which show a significant increase in the face of obesity. The practice of physical activity is a non-pharmacological method that results in the reduction of the systemic inflammatory state, altering the lipid profile and levels of both anti- and pro-inflammatory cytokines and the improvement of the individual's physical capacity. Due to the high joint overload and muscle stress, water exercises are recommended for obese individuals as it maintains motor stimulation with a low risk of injury. The training tied to running in a deep pool, also known as Deep Water Running (DWR), will promote advantages similar to running on the ground, such as improving aerobic capacity, avoiding impact and enabling the performance of exercise at high intensities lower levels of fatigue. The high-intensity exercise performance reduces the availability of oxygen to muscle cells, inducing the hypoxic environment, which causes stabilization of the hypoxia inductive factor 1 (HIF-1), promoting gene transcriptions related to erythropoiesis and angiogenesis. Thus, the present study aims to investigate the effects of high-intensity physical exercise associated with recovery hypoxia, observing both the inflammatory and lipid profile and the physical capacity of obese women grade I. For this, 45 women with obesity will participate in the study, divided into 3 groups: hypoxia, normoxia and control. All will perform body composition, food intake, hematological and lipid profile tests, plus the serum quantification of cytokines before and after the 8 weeks of physical training. Deep-water tied running (DWR) training will be periodized, high-intensity interval, with recovery in hypoxia or normoxia. Intermittent recovery hypoxia is expected to act as an additive effect on the use of oxygen by the muscle, resulting in an improvement in the hematological and lipid profile, aerobic capacity and changes in the inflammatory profile in obese women. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05380830
Study type Interventional
Source University of Sao Paulo
Contact
Status Completed
Phase N/A
Start date March 1, 2022
Completion date August 1, 2022

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