Breakfast Consumption and Energy Balance in Active Adult Males

NCT ID: NCT04862208

Last Updated: 2023-09-07

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

2021-05-06

Study Completion Date

2023-05-01

Brief Summary

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Exercising in the fasted state results in greater fat oxidation during exercise and results in decreased caloric intake in the meals after exercise. However, the studies that examine fasted vs. fed exercise utilize a carbohydrate-based breakfast, which can increase blood glucose and insulin concentrations, which is considered a negative consequence. A protein breakfast, which can increase satiety and rest of day energy intake could also increase resting energy expenditure as well as fat oxidation during exercise. However, comparisons between fasting exercise and pre-exercise breakfast macronutrient intake (i.e., carbohydrate vs. protein) have not been made. Therefore the purpose of this study is to investigate if eating breakfast and the composition of this breakfast before exercise has an effect on the food eaten throughout the rest of the day.

Detailed Description

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Conditions

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Energy Intake Substrate Utilization Hormones Satiety

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

SINGLE

Participants

Study Groups

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Carbohydrate-based breakfast + exercise

maltodextrin

Group Type EXPERIMENTAL

Maltodextrin supplement

Intervention Type DIETARY_SUPPLEMENT

maltodextrin (25g in 12 oz water) 1 hour pre-exercise

Protein-based breakfast + exercise

whey

Group Type EXPERIMENTAL

Whey supplement

Intervention Type DIETARY_SUPPLEMENT

whey (25g in 12 oz water) 1 hour pre-exercise

Fasted breakfast + exercise

water

Group Type EXPERIMENTAL

Water

Intervention Type DIETARY_SUPPLEMENT

non-caloric control (12 oz flavored water) 1 hour pre-exercise

Carbohydrate-based breakfast + no exercise

maltodextrin

Group Type SHAM_COMPARATOR

Maltodextrin supplement

Intervention Type DIETARY_SUPPLEMENT

maltodextrin (25g in 12 oz water) with no exercise

Interventions

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Maltodextrin supplement

maltodextrin (25g in 12 oz water) 1 hour pre-exercise

Intervention Type DIETARY_SUPPLEMENT

Whey supplement

whey (25g in 12 oz water) 1 hour pre-exercise

Intervention Type DIETARY_SUPPLEMENT

Water

non-caloric control (12 oz flavored water) 1 hour pre-exercise

Intervention Type DIETARY_SUPPLEMENT

Maltodextrin supplement

maltodextrin (25g in 12 oz water) with no exercise

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* 18-45 years old
* regularly participate in exercise for at least 150 min per week
* run at least 3 days per week for 30 minutes
* able to complete a VO2max test
* able to exercise for 45 min moderate intensity exercise at one time without breaks

Exclusion Criteria

* not participating in structured exercise of 150 min/week for the past 6 months
* not running at least 3 days per week for 30 minutes
* not attaining a VO2max of 50 ml/kg/min (60th percentile fitness classification according to the American College of Sports Medicine)
* currently smoke or quit smoking less than one year ago.
* diagnosed with or are being treated for a cardiovascular disease, high blood pressure, fibromyalgia, irritable bowel syndrome or a metabolic disorder such as diabetes, thyroid disorder, or high cholesterol.
* food allergies or sensitivities.
* not willing to have blood drawn on 4 occasions during each trial (16 total times)
Minimum Eligible Age

18 Years

Maximum Eligible Age

45 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Ohio University

OTHER

Sponsor Role lead

Responsible Party

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Angela Hillman

Assistant Professor, Exercise Physiology

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Ohio University Exercise Physiology Lab

Athens, Ohio, United States

Site Status

Countries

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United States

Other Identifiers

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20-F-9

Identifier Type: -

Identifier Source: org_study_id

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