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Satiety, Microbiome, Appetite Regulation, and Tracking Energy Across Targeted Snacks: Acute Postprandial Study (SMARTEATS-PP)

2026年8月21日 更新者：Zoe Global Limited

The ZOE SMART EATS (Satiety, Microbiome, Appetite Regulation, and Tracking Energy Across Targeted Snacks) Acute Postprandial Study: Investigating the Acute Effects of a High-fibre Plant-based Snack Bar on Subjective Postprandial Hunger, Energy Intake and Eating Behaviour in Healthy UK Adults.

The goal of this clinical trial is to learn how eating different snack foods affects acute hunger, energy intake and eating behaviour in healthy adults. The study will be conducted remotely over 5 days.

The main questions it aims to answer are:

  1. Does eating a snack bar intervention change how hungry participants feel later in the same day?
  2. Does eating a snack bar intervention change participants' energy intake, nutrient intake and eating behaviour on the same day?
  3. Does eating a snack bar intervention change participants mood, energy levels and alertness later in the same day?

Researchers will compare an intervention snack bar to a control snack bar to see if the intervention improves hunger, energy intake, eating behaviour, and other subjective measures.

Participants will:

  • Eat 2 snack bars for breakfast on 2 separate days, with 2 days in between
  • Not eat anything after 9pm the night before each test day
  • Fill out short online surveys (under 5 minutes) before breakfast and at set times over the next 3 hours
  • Not eat for 3 hours after breakfast
  • Write down everything they eat that day

研究概览

地位

招聘中

条件

干预/治疗

详细说明

Diet, and snacking behaviour in particular, plays an important role in long-term health. Snacking now contributes substantially to daily energy intake in the UK and US: data from the ZOE PREDICT study show that 95% of adults snack at least once a day, with snacks accounting for around a quarter of daily energy intake (2.28 snacks/day). However, the average UK snack has a poor nutrient profile, high in refined carbohydrates, added sugars, and saturated fat, and low in fibre and micronutrients, a pattern linked to poorer cardiometabolic health. Despite public health guidance to consume at least 30g of fibre a day, UK adults consume an average of around 20g/day. However, the composition and timing of a snack are important determinants of its effects on hunger, energy, and other health markers.

This trial evaluates an intervention (2 x snack bars) against a control (2 x snack bars that reflect the average nutrient profile of snacks currently sold in the UK). Using a control snack bar means any effects observed can be attributed to the specific formulation of the intervention snack bar, rather than simply to a change in snacking habits or a reduction in overall snack consumption.

The primary aim of the study is to determine whether the intervention snack bars reduce subjective postprandial hunger (in the hours after eating them), compared with control snack bars broadly representative of the average UK snack nutrient profile. The study will be conducted in 2 phases. In this phase (phase 1; acute postprandial study), 54 participants will complete a crossover postprandial study measuring hunger, satiety, mood, energy, and alertness over 3 hours, and as an end of day measure following consumption of the intervention or control; as well as eating behaviour and subsequent energy and nutrient intake on that day. The postprandial design allows the acute, within-day effects of the intervention snack bars to be assessed under tightly controlled conditions.

研究类型

介入性

注册 (估计的)

54

阶段

  • 不适用

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习联系方式

学习地点

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 成人
  • 年长者

接受健康志愿者

是的

描述

Inclusion Criteria:

  • Willing and able to follow the study protocol
  • Willing and able to provide informed consent
  • Regular consumption of snacks (≥2 per day)
  • Fibre intake <20 g/d
  • Living in the UK

Exclusion Criteria:

  • Have BMI of less than 18.5 kg/m² or more than 40 kg/m²
  • Have an allergy or intolerance to ingredients in the intervention or control snack bars (including inulin) or cannot eat the food products safely and comfortably for any reason
  • Have a personal medical history of inflammatory bowel disease, coeliac disease, Crohn's disease, irritable bowel syndrome, chronic constipation, or chronic diarrhoea
  • Have started a new supplement in the past month, or are unwilling to maintain current supplement use throughout the study
  • Previously purchased any ZOE products (including Daily30, ZOE gut health bar or ZOE app membership).
  • Have taken any medication or product that may modify the measured study outcomes, in the past 3 months (including but not limited to: fibre supplements, antibiotics, non-topical steroids or other immunosuppressive medicines, probiotics or prebiotics, metformin, GLP-1 receptor agonists, lipid-lowering medications such as fibrates, statins, PCSK9 inhibitors, non-steroidal anti-inflammatory drugs)
  • Have used opiate pain medication or a proton pump inhibitor for 8 or more consecutive days during the past 3 months
  • Have experienced a heart attack, stroke or major surgery in the last 2 months
  • Have received treatment for cancer in the last 3 months
  • Are currently pregnant, breastfeeding or planning a pregnancy
  • Are diagnosed with an eating disorder, type 1 diabetes mellitus or type 2 diabetes mellitus

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

  • 主要用途：预防
  • 分配：随机化
  • 介入模型：交叉作业
  • 屏蔽：双倍的

武器和干预

参与者组/臂
干预/治疗
实验性的：Intervention
Breakfast test meal consisting of 2 x intervention snack bars
其他：High-fibre plant-based snack bar
A high-fibre plant-based snack bar.
安慰剂比较：Control
Breakfast test meal consisting of 2 x control snack bars
其他：Control snack bars
Commercially available snack bars (UK); reflects the energy and macronutrient profile of a typical UK snack.

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Postprandial hunger
大体时间：Within 3 hours post-test meal consumption.
Assessed using digital visual analogue scales (VAS; 0-100) with anchor points 0 = 'not at all hungry', 100 = 'extremely hungry'. Completed at pre-specified time points immediately before and during a 3h post-meal fast.
Within 3 hours post-test meal consumption.

次要结果测量

结果测量
措施说明
大体时间
Postprandial satiety
大体时间：Within 3 hours post-test meal consumption.
Subjective postprandial satiety ratings, assessed using digital visual analogue scales (VAS; 0-100), with anchor points 0 = 'not at all', 100 = 'extremely'. Completed at pre-specified time points immediately before and during a 3h post-meal fast.
Within 3 hours post-test meal consumption.
Postprandial mood and energy
大体时间：Within 3 hours post-test meal consumption.
Subjective postprandial ratings of mood and energy, assessed using digital visual analogue scales (VAS; 0-100), with anchor points 0 = 'not at all', 100 = 'extremely'. Completed at pre-specified time points immediately before and during a 3h post-meal fast.
Within 3 hours post-test meal consumption.
Eating rate
大体时间：Duration of test meal consumption (day 1, day 4).
Self-reported eating rate (g/min) of the intervention and control test meals. Derived from the amount of food consumed (g) and self-reported eating duration (mins)
Duration of test meal consumption (day 1, day 4).
Time to next meal
大体时间：Anticipated 3-6 hours post-test meal consumption (day 1, day 4).
Self-reported time to next meal (mins) following the test meals.
Anticipated 3-6 hours post-test meal consumption (day 1, day 4).
Energy and nutrient intake
大体时间：Post-3 hour fast to midnight (day 1, day 4).
Energy (kcal) and nutrient intake (g; %EI) following the test meals. Assessed using digital food log (myFood24).
Post-3 hour fast to midnight (day 1, day 4).

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

Zoe Global Limited

调查人员

  • 首席研究员：Berry E Sarah, Professor、King's College London

出版物和有用的链接

负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。

一般刊物

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2026年8月14日

初级完成 (估计的)

2026年9月16日

研究完成 (估计的)

2026年10月1日

研究注册日期

首次提交

2026年8月13日

首先提交符合 QC 标准的

2026年8月19日

首次发布 (实际的)

2026年8月20日

研究记录更新

最后更新发布 (实际的)

2026年8月24日

上次提交的符合 QC 标准的更新

2026年8月21日

最后验证

2026年8月1日

更多信息

与本研究相关的术语

关键字

其他研究编号

  • ZOE SMART EATS - Postprandial

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

是的

IPD 计划说明

To protect participant privacy, individual participant clinical data and any data that could be used to identify individuals will not be publicly available and cannot be deposited in public repositories. In line with journal requirements, data underlying the results in the publication may be made available to bona fide researchers for reproducibility of results. Proposals, researchers or institutions requesting data will be approved if they meet the standard criteria related to ethics, privacy and data protection regulations.

IPD 共享时间框架

Starting 6 months after publication.

IPD 共享访问标准

The study data can be released to bona fide researchers by submitting a research proposal approved by a subpanel of our scientific advisory board which meets once per month with independent members to assess proposals. The data may be pseudo-anonymised or otherwise redacted to comply with the UK General Data Protection Regulation (GDPR). Researchers will be required to enter into a GDPR data sharing agreement before data may be released. Access request proposals should be sent to data.papers@joinzoe.com.

IPD 共享支持信息类型

  • 研究方案
  • 分析代码

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.

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