NCT01836887已完成不适用
Fruit Polyphenols: Maximising Knowledge of Their Metabolic Health Benefits and Practical Applications (Phase 2)
适应症
干预措施
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
- Metabolic health
研究概览
简要总结
The purpose of this study is to determine whether consumption of the active product affects postprandial changes in metabolic indices, in comparison to the control product.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Crossover
- 主要目的
- Prevention
- 盲法
- Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
入排标准
- 年龄范围
- 20 Years 至 60 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Healthy free-living men aged from 20 to 60 years old, and postmenopausal women aged from 45 to 60 years old, on the day of inclusion
- •Able to understand the information sheet and comply with all the trial procedures
- •Having given written consent to take part in the study prior to participation.
- •Body mass index (BMI): 18.0 - 35 kg/m².
排除标准
- •Those diagnosed with Phenylketonuria (PKU)
- •Those with known or suspected food intolerances, allergies or hypersensitivity
- •Women who are known to be pregnant or who are intending to become pregnant over the course of the study
- •Women who are breast feeding
- •Participation in another clinical trial
- •Those who have donated blood within 3 months of the screening visit and participants for whom participation in this study would result in having donated more than 1500 millilitres of blood in the previous 12 months
- •Those with Full Blood Counts and Liver Function test results outside of the normal range
- •Pre-menopausal women due to the potential influence of cyclical changes in reproductive hormones on insulin sensitivity
- •Current smokers, or reported giving up smoking within the last 6 months
- •History of substance abuse or alcoholism
- •Reported history of CVD, diabetes (or fasting glucose ≥ 7.1 mmol/L), cancer, kidney, liver or bowel disease, gastrointestinal disorder or use of drug likely to alter gastrointestinal function
- •Unwilling to restrict consumption of specified high polyphenol foods for 24 h before the study
- •Weight loss >3kg in preceding 2 months and body mass index <18 or >35 kg/m²
- •Blood pressure ≥160/100 mmHg
- •Total cholesterol ≥ 7.5 mmol/L; fasting triacylglycerol concentrations ≥ 5.0 mmol/L
- •Medications that may interfere with the study such as alpha-glucosidase inhibitors (e.g. acarbose), insulin-sensitising drugs (e.g. metformin, thiazolidinediones), sulfonylureas, and lipid-lowering drugs. Other medications, should be reviewed by medical representative from KCL on a case by case basis.
- •Nutritional supplements that may interfere with the study such as higher dose vitamins/minerals (>200% RNI), B vitamins, Vitamin C, calcium, copper, chromium, iodine, iron, magnesium, manganese, phosphorus, potassium and zinc. Subjects already taking vitamin or minerals at a dose around 100 % or less up to 200% of the RNI, or evening primrose/algal/fish oil supplements will be asked to maintain habitual intake patterns, ensuring that they take them every day and not sporadically. They will be advised not to stop taking supplements or start taking new supplements during the course of the study.
研究组 & 干预措施
Intervention 1
Placebo Comparator
Very low polyphenol fruit based drink (control)
干预措施: Very low polyphenol fruit based drink (control) (Dietary Supplement)
Intervention 2
Active Comparator
Polyphenol-enriched fruit-based drink - low
干预措施: Polyphenol-enriched fruit-based drink - low (Dietary Supplement)
Invervention 3
Active Comparator
Polyphenol-enriched fruit-based drink - high
干预措施: Polyphenol-enriched fruit-based drink - high (Dietary Supplement)
结局指标
主要结局
Metabolic health
时间窗: Postprandial response (2hrs)
Postprandial metabolic response
次要结局
未报告次要终点
研究者
Dr Wendy Hall
Lecturer in Nutritional Sciences
King's College London
研究点 (2)
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