NCT04160481

Brief Summary

To determine the effect of 4 weeks daily consumption of Fruitflow on changes in plasma levels of fasting Trimethylamine N-oxide concentrations (TMAO)

Trial Health

87
On Track

Trial Health Score

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

Enrollment
37

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Nov 2019

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

November 8, 2019

Completed
4 days until next milestone

Study Start

First participant enrolled

November 12, 2019

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 13, 2019

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 13, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 13, 2020

Completed
Last Updated

March 26, 2020

Status Verified

March 1, 2020

Enrollment Period

4 months

First QC Date

November 8, 2019

Last Update Submit

March 25, 2020

Conditions

Keywords

gut microbiomecarciovascular risk factor

Outcome Measures

Primary Outcomes (1)

  • Change in TMAO concentrations

    Changes in plasma levels of fasting Trimethylamine N-oxide concentrations (TMAO) at baseline.

    4 weeks

Secondary Outcomes (6)

  • Changes in the relative abundance of common human gut microbes in stool samples

    4 weeks

  • Urinary TMAO

    4 weeks

  • LPS

    4 weeks

  • Stool consistency

    4 weeks

  • Stool microbiota composition alpha diversity

    4 weeks

  • +1 more secondary outcomes

Study Arms (2)

Tomato extract

ACTIVE COMPARATOR
Dietary Supplement: FruitFlow

Placebo

PLACEBO COMPARATOR
Dietary Supplement: Placebo

Interventions

FruitFlowDIETARY_SUPPLEMENT

300mg tomato extract

Tomato extract
PlaceboDIETARY_SUPPLEMENT

Maltodextrin

Placebo

Eligibility Criteria

Age35 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Be able to give written informed consent;
  • Be between 35 and 65 years of age;
  • Has a BMI between 28 - 35 Kg/m2;
  • Has a stable body weight (≤5% change) over the past 3-months;
  • Is in general good health, as determined by the investigator;
  • Avoid consuming dietary supplements (prebiotic, probiotic, fibre, resveratrol, fish oil, seed oils, ginkgo biloba, ginseng, fruit powder extracts and DHA) within 4 weeks prior to baseline visit, until the end of the study;
  • Avoid consuming seafood or fish 24h prior to each visit;
  • Maintain current level of physical activity;
  • Willing to consume the investigational product daily for the duration of the study.

You may not qualify if:

  • Pregnant or breastfeeding women; women planning to become pregnant during the study;
  • Are hypersensitive to any of the components of the test product;
  • Has taken antibiotics within the previous 3 months;
  • Has taken hypolipidemic agents or any treatment for diabetes (type I or II) within the previous 6 months;
  • Has a history of drug and/or alcohol abuse at the time of enrolment;
  • Consumes greater than 2 servings/day of alcohol (e.g. \>28 g ethanol/day);
  • Is a smoker;
  • Has made any major dietary changes in the past 3 months;
  • Planned major changes in life style (i.e. diet, dieting, exercise level, travelling) during the duration of the study;
  • Has an eating disorder;
  • Is vegetarian/vegan diet or has food allergies or other issues with foods that would preclude intake of the study products;
  • Is using fibre supplements or enemas;
  • Has any health conditions that would prevent from fulfilling the study requirements, put the subject at risk or would confound the interpretation of the study results as judged by the investigator on the basis of medical history and routine laboratory test results;
  • Have a significant acute or chronic coexisting illness such as cardiovascular disease, chronic kidney or liver disease, gastrointestinal disorder, endocrinological disorder, immunological disorder, metabolic disease or any condition which contraindicates, in the investigator's judgement, entry to the study;
  • Current hepatic failure, renal failure, bleeding disorder (haemophilia, Von Willebrand disease, oesophageal varicoses);
  • +12 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Atlantia Food Clinical Trials

Cork, Ireland

Location

Related Publications (6)

  • Miller CA, Corbin KD, da Costa KA, Zhang S, Zhao X, Galanko JA, Blevins T, Bennett BJ, O'Connor A, Zeisel SH. Effect of egg ingestion on trimethylamine-N-oxide production in humans: a randomized, controlled, dose-response study. Am J Clin Nutr. 2014 Sep;100(3):778-86. doi: 10.3945/ajcn.114.087692. Epub 2014 Jun 18.

    PMID: 24944063BACKGROUND
  • Annunziata G, Maisto M, Schisano C, Ciampaglia R, Narciso V, Tenore GC, Novellino E. Effects of Grape Pomace Polyphenolic Extract (Taurisolo(R)) in Reducing TMAO Serum Levels in Humans: Preliminary Results from a Randomized, Placebo-Controlled, Cross-Over Study. Nutrients. 2019 Jan 10;11(1):139. doi: 10.3390/nu11010139.

    PMID: 30634687BACKGROUND
  • Bergeron N, Williams PT, Lamendella R, Faghihnia N, Grube A, Li X, Wang Z, Knight R, Jansson JK, Hazen SL, Krauss RM. Diets high in resistant starch increase plasma levels of trimethylamine-N-oxide, a gut microbiome metabolite associated with CVD risk. Br J Nutr. 2016 Dec;116(12):2020-2029. doi: 10.1017/S0007114516004165. Epub 2016 Dec 20.

    PMID: 27993177BACKGROUND
  • Cassidy A, Minihane AM. The role of metabolism (and the microbiome) in defining the clinical efficacy of dietary flavonoids. Am J Clin Nutr. 2017 Jan;105(1):10-22. doi: 10.3945/ajcn.116.136051. Epub 2016 Nov 23.

    PMID: 27881391BACKGROUND
  • Cardona F, Andres-Lacueva C, Tulipani S, Tinahones FJ, Queipo-Ortuno MI. Benefits of polyphenols on gut microbiota and implications in human health. J Nutr Biochem. 2013 Aug;24(8):1415-22. doi: 10.1016/j.jnutbio.2013.05.001.

    PMID: 23849454BACKGROUND
  • Rehman A, Tyree SM, Fehlbaum S, DunnGalvin G, Panagos CG, Guy B, Patel S, Dinan TG, Duttaroy AK, Duss R, Steinert RE. A water-soluble tomato extract rich in secondary plant metabolites lowers trimethylamine-n-oxide and modulates gut microbiota: a randomized, double-blind, placebo-controlled cross-over study in overweight and obese adults. J Nutr. 2023 Jan;153(1):96-105. doi: 10.1016/j.tjnut.2022.11.009. Epub 2022 Dec 23.

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
CROSSOVER
Model Details: Randomized, double-blind, placebo-controlled, cross-over
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 8, 2019

First Posted

November 13, 2019

Study Start

November 12, 2019

Primary Completion

March 13, 2020

Study Completion

March 13, 2020

Last Updated

March 26, 2020

Record last verified: 2020-03

Data Sharing

IPD Sharing
Will not share

Locations