NCT05612243

Brief Summary

The purpose of the study is to assess the effect of a dietary intervention that includes the consumption of a novel functional yogurt (enriched with probiotics and polyphenols) on the blood biomarkers of healthy participants.

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
21

participants targeted

Target at P25-P50 for not_applicable healthy

Timeline
Completed

Started Oct 2022

Shorter than P25 for not_applicable healthy

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

Study Start

First participant enrolled

October 17, 2022

Completed
17 days until next milestone

First Submitted

Initial submission to the registry

November 3, 2022

Completed
7 days until next milestone

First Posted

Study publicly available on registry

November 10, 2022

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 10, 2022

Completed
6 days until next milestone

Study Completion

Last participant's last visit for all outcomes

December 16, 2022

Completed
Last Updated

December 6, 2022

Status Verified

December 1, 2022

Enrollment Period

2 months

First QC Date

November 3, 2022

Last Update Submit

December 5, 2022

Conditions

Keywords

probioticsantioxidantsblood biomarkersfunctional yogurtpostprandial effectpolyphenols

Outcome Measures

Primary Outcomes (4)

  • Change from baseline in metabolic health

    Blood samples will be obtained after an overnight, 12-h fasting and 30, 90 and 180 min after meal consumption. Blood serum analysis will include assessment of lipidemic profile \[i.e. Total Cholesterol (TC), Low-Density Lipoprotein Cholesterol (LDL-C), High-Density Lipoprotein Cholesterol (HDL-C), Triglycerides (TG)\], insulin, cortisol and uric acid.

    3 hours

  • Change from baseline in blood glucose

    Blood samples will be obtained after an overnight, 12-h fasting and 30, 90 and 180 min after meal consumption. Blood plasma analysis will include assessment of glucose metabolism \[i.e. Fasting Blood Glucose (FBG)\]

    3 hours

  • Change from baseline in C-reactive protein (CRP)

    Blood samples will be obtained after an overnight, 12-h fasting and 30, 90 and 180 min after meal consumption.

    3 hours

  • Change from baseline in Oxidative stress

    Blood samples will be obtained after an overnight, 12-h fasting and 30, 90 and 180 min after meal consumption and serum analysis will be conducted with a free radical analytical system

    3 hours

Study Arms (3)

Yogurt enriched with probiotics and polyphenols

EXPERIMENTAL

Participants will consume a meal including 200g of yogurt containing Lacticaseibacillus rhamnosus probiotics (3\*10\^9 cfu/g) immobilized on oat flakes (1g) and polyphenol-rich lyophilized extract (250mg) of Cistus Albidus (77,3 mg GAE/g), as well as two slices of white bread (80g) with butter (30g)

Other: Consumption of a meal with yogurt enriched with probiotics immobilized on oat flakes and polyphenols

Yogurt enriched with probiotics

ACTIVE COMPARATOR

Participants will consume a meal including 200g of yogurt containing Lacticaseibacillus rhamnosus probiotics (3\*10\^9 cfu/g) immobilized on oat flakes (1g), as well as two slices of white bread (80g) with butter (30g)

Other: Consumption of a meal with yogurt enriched with probiotics immobilized on oat flakes

Plain yogurt with oat flakes

PLACEBO COMPARATOR

Participants will consume a meal including 200g of plain yogurt containing oat flakes (1g), as well as two slices of white bread (80g) with butter (30g)

Other: Consumption of a meal with plain Yogurt with oat flakes

Interventions

Participants will consume a meal including 200g of yogurt enriched with Lacticaseibacillus rhamnosus probiotics (3\*10\^9 cfu/g) immobilized on oat flakes (1g) and polyphenol-rich lyophilized extract (250mg) of Cistus Albidus (77,3 mg GAE/g), as well as two slices of white bread (80g) with butter (30g). Then blood biomarkers will be examined to determine the effect of functional yogurt on postprandial glycemia and lipemia

Yogurt enriched with probiotics and polyphenols

Participants will consume a meal including 200g of yogurt with Lacticaseibacillus rhamnosus probiotics (3\*10\^9 cfu/g) immobilized on oat flakes (1g), as well as two slices of white bread (80g) with butter (30g). Then blood biomarkers will be examined to determine the effect of probiotic-enriched yogurt on postprandial glycemia and lipemia.

Yogurt enriched with probiotics

Participants will consume a meal including 200g of plain yogurt containing 1g of oat flakes, as a placebo, as well as two slices of white bread (80g) with butter (30g). Then blood biomarkers will be examined to determine the effect of probiotic-enriched yogurt on postprandial glycemia and lipemia.

Plain yogurt with oat flakes

Eligibility Criteria

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

You may qualify if:

  • healthy individuals aged 18-65 years old, of both sexes/genders

You may not qualify if:

  • BMI \> 30 kg/m\^2
  • contraceptive pills taking
  • lactose intolerance or food allergy to any of the ingredients of the food under study
  • probiotic supplements or medications that affect bowel function
  • pregnant or lactating women
  • illicit drug use or chronic alcoholism or total daily alcohol intake \> 50 g/d
  • people with a chronic condition (cancer, active liver disease, severe kidney dysfunction, severe stroke in the last six months and conditions associated with an increased risk of bleeding) or individuals with any other serious medical condition that may affect their ability to participate in a dietary intervention study
  • individuals who are considered unreliable by the researcher or who have a shorter life expectancy than the expected duration of the study, due to some illness or if they are in any condition which in the researcher's opinion does not allow their safe participation in the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of the Aegean

Myrina, 81 400, Greece

Location

Related Publications (3)

  • Fidelix M, Milenkovic D, Sivieri K, Cesar T. Microbiota modulation and effects on metabolic biomarkers by orange juice: a controlled clinical trial. Food Funct. 2020 Feb 26;11(2):1599-1610. doi: 10.1039/c9fo02623a.

    PMID: 32016250BACKGROUND
  • Annuzzi G, Bozzetto L, Costabile G, Giacco R, Mangione A, Anniballi G, Vitale M, Vetrani C, Cipriano P, Della Corte G, Pasanisi F, Riccardi G, Rivellese AA. Diets naturally rich in polyphenols improve fasting and postprandial dyslipidemia and reduce oxidative stress: a randomized controlled trial. Am J Clin Nutr. 2014 Mar;99(3):463-71. doi: 10.3945/ajcn.113.073445. Epub 2013 Dec 24.

    PMID: 24368433BACKGROUND
  • Gomes APO, Ferreira MA, Camargo JM, Araujo MO, Mortoza AS, Mota JF, Coelho ASG, Capitani CD, Coltro WKT, Botelho PB. Organic beet leaves and stalk juice attenuates HDL-C reduction induced by high-fat meal in dyslipidemic patients: A pilot randomized controlled trial. Nutrition. 2019 Sep;65:68-73. doi: 10.1016/j.nut.2019.03.004. Epub 2019 Mar 16.

    PMID: 31029925BACKGROUND

MeSH Terms

Interventions

Polyphenols

Intervention Hierarchy (Ancestors)

PhenolsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic Chemicals

Study Officials

  • Antonios E. Koutelidakis

    University of the Aegean

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
CROSSOVER
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

November 3, 2022

First Posted

November 10, 2022

Study Start

October 17, 2022

Primary Completion

December 10, 2022

Study Completion

December 16, 2022

Last Updated

December 6, 2022

Record last verified: 2022-12

Locations