NCT03479866

Brief Summary

The foods we eat - our diet - can affect whether we develop diseases during our lives, such as diabetes or heart disease. This is because the amount and types of foods we eat can affect our weight, and because different foods are metabolised (processed) by the body in different ways. Scientists have also found that the bacteria in our guts (the gut microbiome) affects our metabolism, weight and health and that, together with a person's diet and metabolism, could be used to predict appetite and how meals affect levels of sugar (glucose) and fats (lipids) found in blood after eating. If blood sugar and fat are too high too often, there's a greater chance of developing diseases such as diabetes. The gut microbiome is different in different people. Only 10-20% of the types of bacteria found in our guts are found in everyone. This might mean that the best diet to prevent disease needs matching to a person's gut microbiome and it might be possible to find personalised foods or diets that will help reduce the chance of developing chronic disease as well as metabolic syndrome. The study investigators are recruiting volunteers aged 18 years or over from the TwinsUK cohort to take part in a study that aims to answer the questions above. The participants will need to come in for a clinical visit where they will give blood, stool, saliva and urine samples. The participants will also be given a standardised breakfast and lunch and fitted with a glucose monitor (Abbott Freestyle Libre-CE marked) to monitor their blood sugar levels. After the visit, the participants will be asked to eat standardised meals at home for breakfast for a further 12 days. Participants will also be required to prick their fingers at regular intervals to collect small amounts of blood, and to record constantly their appetite, food, physical activity and sleep using apps and wearable devices.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
2,500

participants targeted

Target at P75+ for not_applicable diabetes

Timeline
Completed

Started Jun 2018

Longer than P75 for not_applicable diabetes

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 14, 2018

Completed
13 days until next milestone

First Posted

Study publicly available on registry

March 27, 2018

Completed
2 months until next milestone

Study Start

First participant enrolled

June 4, 2018

Completed
4.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 4, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 4, 2023

Completed
Last Updated

February 9, 2021

Status Verified

February 1, 2021

Enrollment Period

4.9 years

First QC Date

March 14, 2018

Last Update Submit

February 5, 2021

Conditions

Keywords

Gut microbiomePersonalised NutritionMetabolic health

Outcome Measures

Primary Outcomes (6)

  • Gut microbiome profile

    Assessment of participants' gut microbiome

    1-2 days

  • Lipids

    Measurement of blood lipids

    1 day to 2 weeks

  • Glucose

    Measurement of blood Glucose

    2 weeks

  • Sleep

    Record of sleep pattern using a wearable device (i.e. fitness watch)

    2 weeks

  • Physical activity

    Record of physical activity using a wearable device (i.e. fitness watch)

    2 weeks

  • Hunger and appetite assessment

    Record of hunger and appetite patterns using a digital app

    2 weeks

Other Outcomes (10)

  • Inflammation

    1 day

  • Glucose metabolism

    2 weeks

  • Metabolomics

    1 day

  • +7 more other outcomes

Study Arms (1)

Dietary intervention

EXPERIMENTAL

2 week dietary intervention using standardized test meals

Other: Dietary intervention

Interventions

To carry out an interventional dietary study using standardised meals to predict for an individual their metabolic response to certain foods using the gut microbiome and their metabolic profile. Responses will include post-prandial appetite, levels of satiety, circulating glucose, insulin, ketone bodies and lipid levels.

Dietary intervention

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participant eligibility includes those aged \>18 years who have a body mass index (BMI) between 20 and 49.9 kg/m2.
  • Eligibility within a subgroup of participants undergoing the home-based intervention (n=1,100) will require participants to be 18-65 years of age.
  • Eligibility within a further subgroup of participants undergoing cardiometabolic phenotyping (n=50) will require participants to be \>55 years of age.

You may not qualify if:

  • Refuse or are unable to give informed consent to participate in the study
  • Have ongoing inflammatory disease ie RA, SLE, polymyalgia and other connective tissue diseases.
  • Have had cancer in the last three years, excluding skin cancer.
  • Have had long term gastrointestinal disorders including inflammatory bowel disease (IBD) or Coeliac disease (gluten allergy), but not including IBS.
  • Are taking the following daily medications: immunosuppressants, antibiotics in the last three months.
  • Are long-term users of PPIs (such as omeprazole and pantoprazole), unless they are able to stop two weeks before the start of the study and remain off them during the two weeks of the study.
  • Have type I diabetes mellitus or are taking medications for type II diabetes mellitus. Those not on medications but having a capillary glucose level of \>12mmol/l based on HemoCue will be excluded. Screening blood results will be shared with their GP after the study.
  • Are currently suffering from acute clinically diagnosed depression.
  • Have had a heart attack (myocardial infarction) or stroke in the last 6 months.
  • Are pregnant
  • Are vegan, suffering from an eating disorder or unwilling to take foods that are part of the study.
  • Do not have a mobile phone capable of running the digital app, or are unable to use it to operate the app.
  • Have an allergy to adhesives which would prevent proper attachment of the continuous glucose monitor.
  • Are \<55 years of age
  • Are not female
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

King's College London

London, England, SE1 7EH, United Kingdom

RECRUITING

Related Publications (9)

  • Bermingham KM, May A, Asnicar F, Capdevila J, Leeming ER, Franks PW, Valdes AM, Wolf J, Hadjigeorgiou G, Delahanty LM, Segata N, Spector TD, Berry SE. Snack quality and snack timing are associated with cardiometabolic blood markers: the ZOE PREDICT study. Eur J Nutr. 2024 Feb;63(1):121-133. doi: 10.1007/s00394-023-03241-6. Epub 2023 Sep 15.

  • Bermingham KM, Stensrud S, Asnicar F, Valdes AM, Franks PW, Wolf J, Hadjigeorgiou G, Davies R, Spector TD, Segata N, Berry SE, Hall WL. Exploring the relationship between social jetlag with gut microbial composition, diet and cardiometabolic health, in the ZOE PREDICT 1 cohort. Eur J Nutr. 2023 Dec;62(8):3135-3147. doi: 10.1007/s00394-023-03204-x. Epub 2023 Aug 2.

  • Louca P, Berry SE, Bermingham K, Franks PW, Wolf J, Spector TD, Valdes AM, Chowienczyk P, Menni C. Postprandial Responses to a Standardised Meal in Hypertension: The Mediatory Role of Visceral Fat Mass. Nutrients. 2022 Oct 26;14(21):4499. doi: 10.3390/nu14214499.

  • Merino J, Linenberg I, Bermingham KM, Ganesh S, Bakker E, Delahanty LM, Chan AT, Capdevila Pujol J, Wolf J, Al Khatib H, Franks PW, Spector TD, Ordovas JM, Berry SE, Valdes AM. Validity of continuous glucose monitoring for categorizing glycemic responses to diet: implications for use in personalized nutrition. Am J Clin Nutr. 2022 Jun 7;115(6):1569-1576. doi: 10.1093/ajcn/nqac026.

  • Tsereteli N, Vallat R, Fernandez-Tajes J, Delahanty LM, Ordovas JM, Drew DA, Valdes AM, Segata N, Chan AT, Wolf J, Berry SE, Walker MP, Spector TD, Franks PW. Impact of insufficient sleep on dysregulated blood glucose control under standardised meal conditions. Diabetologia. 2022 Feb;65(2):356-365. doi: 10.1007/s00125-021-05608-y. Epub 2021 Nov 30.

  • Mazidi M, Valdes AM, Ordovas JM, Hall WL, Pujol JC, Wolf J, Hadjigeorgiou G, Segata N, Sattar N, Koivula R, Spector TD, Franks PW, Berry SE. Meal-induced inflammation: postprandial insights from the Personalised REsponses to DIetary Composition Trial (PREDICT) study in 1000 participants. Am J Clin Nutr. 2021 Sep 1;114(3):1028-1038. doi: 10.1093/ajcn/nqab132.

  • Asnicar F, Leeming ER, Dimidi E, Mazidi M, Franks PW, Al Khatib H, Valdes AM, Davies R, Bakker E, Francis L, Chan A, Gibson R, Hadjigeorgiou G, Wolf J, Spector TD, Segata N, Berry SE. Blue poo: impact of gut transit time on the gut microbiome using a novel marker. Gut. 2021 Sep;70(9):1665-1674. doi: 10.1136/gutjnl-2020-323877. Epub 2021 Mar 15.

  • Menni C, Louca P, Berry SE, Vijay A, Astbury S, Leeming ER, Gibson R, Asnicar F, Piccinno G, Wolf J, Davies R, Mangino M, Segata N, Spector TD, Valdes AM. High intake of vegetables is linked to lower white blood cell profile and the effect is mediated by the gut microbiome. BMC Med. 2021 Feb 11;19(1):37. doi: 10.1186/s12916-021-01913-w.

  • Berry SE, Valdes AM, Drew DA, Asnicar F, Mazidi M, Wolf J, Capdevila J, Hadjigeorgiou G, Davies R, Al Khatib H, Bonnett C, Ganesh S, Bakker E, Hart D, Mangino M, Merino J, Linenberg I, Wyatt P, Ordovas JM, Gardner CD, Delahanty LM, Chan AT, Segata N, Franks PW, Spector TD. Human postprandial responses to food and potential for precision nutrition. Nat Med. 2020 Jun;26(6):964-973. doi: 10.1038/s41591-020-0934-0. Epub 2020 Jun 11.

MeSH Terms

Conditions

Diabetes MellitusHeart DiseasesFeeding BehaviorCommunicable DiseasesObesity

Interventions

Diet Therapy

Condition Hierarchy (Ancestors)

Glucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System DiseasesCardiovascular DiseasesBehavior, AnimalBehaviorInfectionsDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsOverweightOvernutritionNutrition DisordersBody WeightSigns and Symptoms

Intervention Hierarchy (Ancestors)

Nutrition TherapyTherapeutics

Study Officials

  • Tim Spector

    King's College London

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 14, 2018

First Posted

March 27, 2018

Study Start

June 4, 2018

Primary Completion

May 4, 2023

Study Completion

May 4, 2023

Last Updated

February 9, 2021

Record last verified: 2021-02

Data Sharing

IPD Sharing
Will not share

Locations