Amino Acid Balance During Physical Inactivity

NCT ID: NCT02980952

Last Updated: 2018-10-25

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

22 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-01-31

Study Completion Date

2018-09-30

Brief Summary

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The aim is to assess the impact of physical inactivity on muscle amino acid balance and forearm glucose uptake. In addition, we will evaluate how high-fat overfeeding will modulate muscle amino acid balance and forearm glucose uptake.

Detailed Description

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The aim is to assess the impact of forearm cast immobilization on muscle amino acid balance and forearm glucose uptake. In addition, we will evaluate how high-fat overfeeding during immobilization will modulate muscle amino acid balance and forearm glucose uptake.

Conditions

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Assessing Muscle Amino Acid Balance

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Energy-balanced diet

Forearm immobilization whilst consuming an energy-balanced diet

Group Type PLACEBO_COMPARATOR

Forearm immobilization

Intervention Type OTHER

High-fat overfeeding

Forearm immobilization whilst consuming a high-fat diet, 50% energy excess

Group Type EXPERIMENTAL

High-fat overfeeding

Intervention Type OTHER

Forearm immobilization

Intervention Type OTHER

Interventions

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High-fat overfeeding

Intervention Type OTHER

Forearm immobilization

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* BMI between 18 and 30

Exclusion Criteria

* Any diagnosed metabolic impairment (e.g. type 1 or 2 Diabetes).
* Any diagnosed cardiovascular disease or hypertension.
* Elevated blood pressure at the time of screening. (An average systolic blood pressure reading of ≥140 mmHg over two or more measurements and an average diastolic blood pressure of ≥90 mmHg over two or more measurements.)
* Chronic use of any prescribed or over the counter pharmaceuticals.
* Regular use of nutritional supplements (e.g. creatine, protein supplementation)
* Metallic implants (including heart pacemaker, cochlear implants, medication pumps, surgical clips, plates or screws).
* A personal or family history of thrombosis, epilepsy, seizures or schizophrenia.
* Any previous motor disorders.
Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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University of Exeter

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Benjamin T Wall, PhD

Role: PRINCIPAL_INVESTIGATOR

University of Exeter

References

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Wall BT, Cruz AM, Otten B, Dunlop MV, Fulford J, Porter C, Abdelrahman DR, Stephens FB, Dirks ML. The Impact of Disuse and High-Fat Overfeeding on Forearm Muscle Amino Acid Metabolism in Humans. J Clin Endocrinol Metab. 2020 Jul 1;105(7):dgaa184. doi: 10.1210/clinem/dgaa184.

Reference Type DERIVED
PMID: 32303743 (View on PubMed)

Dirks ML, Wall BT, Otten B, Cruz AM, Dunlop MV, Barker AR, Stephens FB. High-fat Overfeeding Does Not Exacerbate Rapid Changes in Forearm Glucose and Fatty Acid Balance During Immobilization. J Clin Endocrinol Metab. 2020 Jan 1;105(1):dgz049. doi: 10.1210/clinem/dgz049.

Reference Type DERIVED
PMID: 31609422 (View on PubMed)

Other Identifiers

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157758/03

Identifier Type: -

Identifier Source: org_study_id

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