The Acute Effect of High Intensity Exercise on Appetite, Appetite-regulating Hormones, and Bio-markers of Inflammation and Stress in Lean and Obese Boys
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 22
- 试验地点
- 2
- 主要终点
- Appetite as assessed via visual analog scales
研究概览
简要总结
This study describes the effect of acute high intensity exercise at 70% VO2peak on inflammation, stress, appetite hormones and appetite in lean and obese children and adolescents.
详细描述
In summary, exercise does induce a variety of metabolic mechanisms on a central and peripheral level, related to appetite other than solely gut peptides. The literature points towards a rather loose coupling when it comes to high intensity exercise and the suppression of food intake, without a clear explanation of the cause of exercise induced anorexia. This study is aimed to investigate high-intensity exercise and its effects on appetite and satiety hormones, inflammation, stress and eating behaviors on appetite and food intake.
The objective of the current study is to investigate the factors contributing to exercise-induced anorexia in lean and obese children, and maximize its translation into post-exercise suppression of food intake and promotion of negative energy balance particularly in obese children. It is hypothesized that high-intensity exercise would promote a greater suppression of food intake through suppression of appetite ratings via physiological mechanisms depending on stress and inflammation rather than gut peptides.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 10 Years 至 18 Years(Child, Adult)
- 性别
- Male
- 接受健康志愿者
- 是
入选标准
- •11 normal weight and 11 obese boys will be recruited for the study. Lean and obese boys aged 10-18 years, born full-term and with a normal body weight at birth, will be included in the study
排除标准
- •Dieters and individuals with lactose intolerance, allergies to milk and dairy products and gastrointestinal problems will be excluded from the study.
研究组 & 干预措施
Control
Resting
Exercise
Exercise at 70%VO2max on a recumbent bicycle for 30 minutes.
干预措施: Exercise (Other)
结局指标
主要结局
Appetite as assessed via visual analog scales
时间窗: Timeperiod of 2 hours during each study intervention.
Appetite will be assessed via visual analog scales. Each item will be scored from 0-100; 0 not hungry; 100 very hungry
Biomarkers of Inflammation
时间窗: 4 timpoints during 2 hours during each study intervention.
Biomarkers of inflammation will be assessed such as IL-6; IL-1beta; TNF-alpha; CRP
Biomarkers of appetite
时间窗: 4 timpoints during 2 hours during each study intervention.
Biomarkers of appetite will be assessed such as A. Ghrelin; GLP-1; PYY and Leptin
次要结局
- Biomarkers of Stress(4 timpoints during 2 hours during each study intervention.)
研究者
G. Harvey Anderson
Study Investigator
University of Toronto
