Effects of Bran Size on Glycemic Responses

NCT ID: NCT03314142

Last Updated: 2017-10-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-03-30

Study Completion Date

2017-09-30

Brief Summary

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This study investigated the effects of bran's particle size on glycemic responses

Detailed Description

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This study aimed at 1. to determine the GI and GL of three breads and 2. to investigate the effects of bran's particle size on postprandial glycemic response in healthy subjects.

Conditions

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Potential Abnormality of Glucose Tolerance Appetitive Behavior

Keywords

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blood glucose bran particle size glucemic index

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

OTHER

Blinding Strategy

SINGLE

Investigators

Study Groups

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Glucose as reference food

Ten healthy, normal weight subjects (male: 7, female: 3) after 10-14 hr fast, consumed 50g available carbohydrate from white bread and glucose, two times, in different weeks as reference foods along with 250ml water; and 50g available carbohydrates from bread enriched with coarse wheat bran (CB), bread enriched with fine wheat bran (obtained by milling the coarse bran) (FB) and the FB in which 10% of the flour was substituted with carob seed flour (CSFB), tested once, in different weeks along with 250ml water. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min. The first glucose sample was taken exactly 15min after the first bite of food or drink.

Group Type EXPERIMENTAL

Glucose as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g glucose diluted in 250ml water, tested three times, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

White bread as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from white bread along with 250ml water, tested twice, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

Bread enriched with coarse wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with coarse wheat bran along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran and carob seed flour

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) in which 10% of the flour was substituted with carob seed flour (CSFB) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

White bread as reference food

Ten healthy, normal weight subjects (male: 7, female: 3) after 10-14 hr fast, consumed 50g available carbohydrate from white bread and glucose, two times, in different weeks as reference foods along with 250ml water; and 50g available carbohydrates from bread enriched with coarse wheat bran (CB), bread enriched with fine wheat bran (obtained by milling the coarse bran) (FB) and the FB in which 10% of the flour was substituted with carob seed flour (CSFB), tested once, in different weeks along with 250ml water. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min. The first glucose sample was taken exactly 15min after the first bite of food or drink.

Group Type EXPERIMENTAL

Glucose as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g glucose diluted in 250ml water, tested three times, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

White bread as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from white bread along with 250ml water, tested twice, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

Bread enriched with coarse wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with coarse wheat bran along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran and carob seed flour

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) in which 10% of the flour was substituted with carob seed flour (CSFB) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with coarse wheat bran

Ten healthy, normal weight subjects (male: 7, female: 3) after 10-14 hr fast, consumed 50g available carbohydrate from white bread and glucose, two times, in different weeks as reference foods along with 250ml water; and 50g available carbohydrates from bread enriched with coarse wheat bran (CB), bread enriched with fine wheat bran (obtained by milling the coarse bran) (FB) and the FB in which 10% of the flour was substituted with carob seed flour (CSFB), tested once, in different weeks along with 250ml water. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min. The first glucose sample was taken exactly 15min after the first bite of food or drink.

Group Type EXPERIMENTAL

Glucose as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g glucose diluted in 250ml water, tested three times, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

White bread as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from white bread along with 250ml water, tested twice, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

Bread enriched with coarse wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with coarse wheat bran along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran and carob seed flour

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) in which 10% of the flour was substituted with carob seed flour (CSFB) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran

Ten healthy, normal weight subjects (male: 7, female: 3) after 10-14 hr fast, consumed 50g available carbohydrate from white bread and glucose, two times, in different weeks as reference foods along with 250ml water; and 50g available carbohydrates from bread enriched with coarse wheat bran (CB), bread enriched with fine wheat bran (obtained by milling the coarse bran) (FB) and the FB in which 10% of the flour was substituted with carob seed flour (CSFB), tested once, in different weeks along with 250ml water. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min. The first glucose sample was taken exactly 15min after the first bite of food or drink.

Group Type EXPERIMENTAL

Glucose as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g glucose diluted in 250ml water, tested three times, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

White bread as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from white bread along with 250ml water, tested twice, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

Bread enriched with coarse wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with coarse wheat bran along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran and carob seed flour

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) in which 10% of the flour was substituted with carob seed flour (CSFB) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat and carob

Ten healthy, normal weight subjects (male: 7, female: 3) after 10-14 hr fast, consumed 50g available carbohydrate from white bread and glucose, two times, in different weeks as reference foods along with 250ml water; and 50g available carbohydrates from bread enriched with coarse wheat bran (CB), bread enriched with fine wheat bran (obtained by milling the coarse bran) (FB) and the FB in which 10% of the flour was substituted with carob seed flour (CSFB), tested once, in different weeks along with 250ml water. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min. The first glucose sample was taken exactly 15min after the first bite of food or drink.

Group Type EXPERIMENTAL

Glucose as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g glucose diluted in 250ml water, tested three times, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

White bread as reference food

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from white bread along with 250ml water, tested twice, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

Bread enriched with coarse wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with coarse wheat bran along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Bread enriched with fine wheat bran and carob seed flour

Intervention Type OTHER

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) in which 10% of the flour was substituted with carob seed flour (CSFB) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Interventions

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Glucose as reference food

Ten subjects (male: 7, female: 3) consumed 50g glucose diluted in 250ml water, tested three times, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

Intervention Type OTHER

White bread as reference food

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from white bread along with 250ml water, tested twice, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120min.

Intervention Type OTHER

Bread enriched with coarse wheat bran

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with coarse wheat bran along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Intervention Type OTHER

Bread enriched with fine wheat bran

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Intervention Type OTHER

Bread enriched with fine wheat bran and carob seed flour

Ten subjects (male: 7, female: 3) consumed 50g available carbohydrates from bread enriched with fine wheat bran (obtained by milling of the coarse bran) in which 10% of the flour was substituted with carob seed flour (CSFB) along with 250ml water, tested once, in different weeks, within 5-10min. Fingertip capillary blood glucose samples were taken at baseline, 15, 30, 45, 60, 90 and 120 min.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Healthy, non-smoking, non-diabetic men and women, individuals with normal body mass index (BMI; between 18.5 and 24.9 kg/m2)

Exclusion Criteria

* severe chronic disease (e.g. coronary heart disease, diabetes mellitus, kidney or liver conditions, endocrine conditions)
* gastrointestinal disorders
* pregnancy
* lactation
* competitive sports
* alcohol or drug dependency
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Agricultural University of Athens

OTHER

Sponsor Role lead

Responsible Party

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Aimilia Papakonstantinou

Lecturer in Nutrition and Metabolism

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Emilia Papakonstantinou, PhD

Role: PRINCIPAL_INVESTIGATOR

Agricultural University of Athens

Locations

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Agricultural University of Athens

Athens, , Greece

Site Status

Countries

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Greece

Other Identifiers

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1256

Identifier Type: -

Identifier Source: org_study_id