Influence of Changes in Food Group Variety on Food Cravings, Energy Intake, and Weight Loss After Bariatric Surgery
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 发起方
- 入组人数
- 90
- 试验地点
- 2
- 主要终点
- Diet
研究概览
简要总结
The purpose of this study is to find out if there is any change in diet on food cravings and weight loss in the 12 months following bariatric surgery.
详细描述
Research suggests that satiation processes in obese patients may be impaired, possibly resulting in excessive energy intake and poorer weight loss outcomes. One factor that may contribute to disruption of satiation processes and related overconsumption is dietary variety. Additionally, food cravings for restricted foods are believed to contribute to poor compliance to diets, and in controlled feeding studies, food cravings are the most frequently provided reason for poor dietary adherence. Interestingly, several investigations have found that cravings decrease when individuals follow a very-low-calorie or monotonous diet (9-11). Thus, reductions in the variety of the diet may also reduce food cravings, and assist in dietary adherence. It is also possible that the type of surgical procedure performed may influence changes in dietary variety, and consequently food cravings. To date, few studies have analyzed bariatric surgery patients' selection of foods within specific food groups and no study has examined the variety of foods consumed within food groups. Changes in food group variety which facilitate improvements in regulation of energy intake and body weight among obese individuals after behavioral weight loss may have a similar impact in patients who undergo bariatric surgery. Additionally, no studies have examined the relationship between changes in dietary variety and food cravings, and how these factors may be related to weight loss outcomes in any population.
Primary Objectives:
To examine by surgery type(Roux-En-Y gastric bypass [RYGB], laparoscopic adjustable gastric banding [LAGB], vertical sleeve gastrectomy [VSG])
- changes in dietary variety from pre- to post-bariatric surgery at 3, 6, and 12-months
- changes in variety of high-energy-dense foods and changes in cravings of high-energy-dense foods at 3, 6, and 12 months and
- changes in variety of high-energy-dense and low-energy-dense foods and changes in energy intake and weight loss at 3, 6, and 12 months.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 年龄范围
- 18 Years 至 65 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Age between 18 and 65 years
- •Bariatric surgery occurring within 3-6 months
排除标准
- •Intend to move outside of the metropolitan area within the time frame of the investigation.
- •Are pregnant, lactating, less than 6 months post-partum, or plan to become pregnant during the time frame of the investigation.
结局指标
主要结局
Diet
时间窗: 0, 3, 6, and 12 months
次要结局
未报告次要终点
研究者
Hollie Raynor
Professor
The University of Tennessee, Knoxville