Effect of Gluten-free Diets on Anthropometric and Dietary Data of Healthy Eutrophic Women

April 25, 2017 updated by: Jacqueline Isaura Alvarez Leite, Federal University of Minas Gerais
The objective is to evaluate, in healthy, eutrophic women, if gluten intake influences on body weight, basal metabolic rate and macronutrient intake. In a crossover double masked model, 30 volunteers will be randomized into two groups, half of them will initiate the experiment by taking 2 "placebo" muffins daily for 3 weeks (Placebo phase) and the remnant volunteers will take 2 "gluten" muffins for 3 weeks (Gluten phase). After one day of wash out, the volunteers will be transferred for the other phase to complete 3 more experimental weeks.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

The objective is to evaluate in eutrophic women the impact of intake of moderate amounts of wheat gluten on body weight basal metabolic rate and possible relation to macronutrient intake. For this, 30 volunteers will kept on a restricted diet in gluten-free foods of 6 weeks. At the first moment, a structured Food Frequency Questionnaire will be applied, as well as a 24-hour food register, to evaluate the average food and gluten daily intake. The volunteers will be randomized into two groups, half of them will initiate the experiment by taking 2 placebo muffins daily for 3 weeks (Placebo phase) and the remnant volunteers will take 2 gluten muffins for 3 weeks (Gluten phase). After one day of wash out, the volunteers will be transferred for the other phase to complete 3 more experimental weeks. During these 6 experimental weeks, all volunteers will be instructed to exclude any food containing gluten from their diet. The test food (gluten and placebo muffins) will be produced in the Laboratory of Dietetic Technique of the School of Nursing of the Federal University of Minas Gerais and delivered weekly to each volunteer. Placebo test foods is a corn-based muffin of about 45g. In the Gluten muffins, 10g of corn is replaced by 10g of gluten (corresponding to 7.5g of gluten protein). Each volunteer will be instructed to take 2 (placebo or gluten) muffin/day. To evaluate diet adherence and signs and symptoms of intolerances, volunteers will fill a questionnaire weekly, informing about the consumption of the test food, eventual intake of food containing gluten, and the presence of gastrointestinal signs and symptoms such as constipation, diarrhea, nausea or vomiting etc.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
30

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 40 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Women aged between 18 and 40
  • Body Mass Index (BMI) between 18.5 and 24.9 kg / m²
  • Sign of informed consent
  • Absence of associated chronic diseases

Exclusion Criteria:

  • Postmenopausal patients
  • Onset of chronic medication
  • discontinuance of test food intake for 2or more days
  • Do not attend 2 of the 3 meetings.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: Gluten test food
volunteers will receive 2 corn based muffins containing 7,5g of gluten/muffin to be consumed daily for 3 weeks
Dietary supplement: Gluten test food
Dietary supplement: corn muffins with 7.5g of gluten/muffin Two muffin were blindly administered for 21 days
Placebo Comparator: Placebo test food
volunteers will receive 2 corn based muffins to be consumed daily in any meal for 3 weeks
Dietary supplement: Gluten test food
Dietary supplement: corn muffins with 7.5g of gluten/muffin Two muffin were blindly administered for 21 days

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Changes in body Weight
Time Frame: 1st, 3rd and 6th weeks
measured in scale presented in kg
1st, 3rd and 6th weeks

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Height
Time Frame: 1st week
measured in meters
1st week
Changes in resting metabolic rate
Time Frame: 1st, 3rd and 6th weeks
measured by indirect calorimetry in kcal/kg or kcal/day
1st, 3rd and 6th weeks
Changes in macronutrient intake
Time Frame: 1st, 3rd and 6th weeks
calculation of food intake based on 24h diary - result in % kcal
1st, 3rd and 6th weeks
waist circumference
Time Frame: 1st, 3rd and 6th weeks
measured in cm
1st, 3rd and 6th weeks
BMI
Time Frame: 1st, 3rd and 6th weeks
calculated by body weigh / square of height
1st, 3rd and 6th weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Federal University of Minas Gerais

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior.
Conselho Nacional de Desenvolvimento Científico e Tecnológico

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: JAQUELINE I ALVAREZ-LEITE, Federal University of Minas Gerais

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
March 3, 2016

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 2, 2016

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
March 3, 2017

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 21, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 21, 2017

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
April 26, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
April 27, 2017

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 25, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
April 1, 2017

More Information

Terms related to this study

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 49480215000005149H

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Cookie Settings

We use cookies to ensure that we give you the best experience on our website. For more details carefully read our Privacy and Cookies Policy. ...>>>You can change your preferences or withdraw your consent at any time by deleting the cookies from your website or computer as described in the policy. Please accept it and choose your preferences by ticking the corresponding boxes in the "Manage Settings" section below. Please carefully read our Terms of Service before you proceed with using any part of this website.
«Manage Settings