Effects of Acute Dietary Changes on Estimates of Body Composition

August 30, 2016 updated by: Baylor University
The present study sought to investigate the effects of acute dietary changes on estimates of body composition. Specifically, the impact of an acute high-carbohydrate diet (9 g/kg body weight of carbohydrate) and an acute very low-carbohydrate diet (1 - 1.5 g/kg body weight of carbohydrate) were examined.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

48

Phase

  • 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

Ages Eligible for Study

18 years to 30 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Generally healthy
  • Recreationally active (>150 min/week of moderate or vigorous physical activity)
  • Pre-menopausal with regularly occurring menstrual cycles over past 6 months (in females only)

Exclusion Criteria:

  • Failure to meet inclusion criteria
  • Commencement or cessation of taking the dietary supplement creatine within the past month
  • Pregnant or may become pregnant during the study
  • Known or suspected food allergy to any items used in study
  • Presence of medical condition that could reasonably be negatively affected by participation

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

  • Allocation: Non-Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: High-carbohydrate diet
Single day of 9 g/kg body weight consumption of carbohydrate. Isocaloric to very low-carbohydrate condition.
Other: High-carbohydrate diet
Experimental: Very low-carbohydrate diet
Single day of 1 - 1.5 g/kg body weight consumption of carbohydrate. Isocaloric to high-carbohydrate condition.
Other: Low-carbohydrate diet

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Dual-energy X-ray Absorptiometry Output
Time Frame: 2 days
Measures of lean soft tissue and fat mass obtained from dual-energy x-ray absorptiometry.
2 days
Bioelectrical Impedance Analysis Output
Time Frame: 2 days
Measures of fat-free mass and fat mass obtained from bioelectrical impedance analysis.
2 days

Collaborators and Investigators

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

Sponsor

Baylor University

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

November 1, 2015

Primary Completion (Actual)

February 1, 2016

Study Completion (Actual)

February 1, 2016

Study Registration Dates

First Submitted

August 19, 2016

First Submitted That Met QC Criteria

August 30, 2016

First Posted (Estimate)

September 5, 2016

Study Record Updates

Last Update Posted (Estimate)

September 5, 2016

Last Update Submitted That Met QC Criteria

August 30, 2016

Last Verified

August 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 805223-2

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

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.

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