Protein Ingestion Before Training Low

NCT ID: NCT03147001

Last Updated: 2017-05-10

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

9 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-04-30

Study Completion Date

2017-01-10

Brief Summary

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A randomized interventions study using a crossover design. Ten well trained triathletes or bikeriders will be included for to undergo two trail separated by about 3 weeks. The night before the trail each subject will performe a high intense interval trainings session on an ergometer bike. during the night an infusion of aminoacid tracers will be initiated. The subject is woken at 6.30 a.m. Blood samples and a musclebiopsy will be collected prior to the morning bike ride at 8.00a.m. Immediately before the morning bike ride is started the subject will ingest a drink of 0,5g protein or a non-caloric placebo (random order). During the bike ride and the following 4,5 hours blood will be drawn with regular intervals. at time point 0, 60 and 180 min after the training session biopsies are collected.

Detailed Description

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Conditions

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Protein Metabolism

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

SINGLE

Participants
Masking was done by providing similar tasting drinks at both trails. One was placebo, one was protein a drink

Study Groups

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Protein ingestion

Subjects ingested protein drinks

Group Type EXPERIMENTAL

Protein ingestion

Intervention Type OTHER

A protein drink was ingested prior to the 90min bike ride in one of the completed trails (order randomised).

Placebo

Subjects ingested a non-caloric placebo drink

Group Type PLACEBO_COMPARATOR

Non-caloric placebo ingestion

Intervention Type OTHER

A placebo drink was ingested prior to the 90min bike ride in one of the completed trails (order randomised).

Interventions

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Protein ingestion

A protein drink was ingested prior to the 90min bike ride in one of the completed trails (order randomised).

Intervention Type OTHER

Non-caloric placebo ingestion

A placebo drink was ingested prior to the 90min bike ride in one of the completed trails (order randomised).

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Healthy well-trained triathletes or cyclists
* VO2max \> 55 ml O2/kg/min
* Training and has been training more than 7 times a week the last 6 months.

Exclusion Criteria

* VO2max \< 55 ml O2/kg/min
* Has chronic disease
* has incjected with tracer on a previous occasion.
Minimum Eligible Age

18 Years

Maximum Eligible Age

50 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Arla Foods

INDUSTRY

Sponsor Role collaborator

Team Denmark

OTHER

Sponsor Role collaborator

Innovation Fund Denmark

INDIV

Sponsor Role collaborator

University of Aarhus

OTHER

Sponsor Role lead

Responsible Party

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Mette Hansen

Assistant professor, PhD

Responsibility Role PRINCIPAL_INVESTIGATOR

References

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Larsen MS, Holm L, Svart MV, Hjelholt AJ, Bengtsen MB, Dollerup OL, Dalgaard LB, Vendelbo MH, van Hall G, Moller N, Mikkelsen UR, Hansen M. Effects of protein intake prior to carbohydrate-restricted endurance exercise: a randomized crossover trial. J Int Soc Sports Nutr. 2020 Jan 28;17(1):7. doi: 10.1186/s12970-020-0338-z.

Reference Type DERIVED
PMID: 31992300 (View on PubMed)

Other Identifiers

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50968

Identifier Type: -

Identifier Source: org_study_id

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