Influence of Dietary Nitrate on Time Trial Performance in Swiss Paracycling Athletes

NCT ID: NCT02454049

Last Updated: 2019-01-18

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

2016-09-30

Study Completion Date

2018-12-31

Brief Summary

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The aim of this study is to investigate wether beetroot juice or sodium nitrate enhances time trial performance in Swiss paracycling athletes compared to the ingestion of a placebo supplement. Furthermore, the effects of beetroot juice and sodium nitrate on performance will be investigated in spinal cord injured and non-injured athletes.

Detailed Description

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The influence of dietary nitrate on performance will be tested performing a time trial on a handbike. The time trial will be the same as in the Paralympics 2016 in Rio. The subjects perform three trials and receive another supplement for each trial: beetroot juice with 6mmol nitrate, 6mmol sodium nitrate or plain water (placebo supplement). The time to complete the time trial will be the main outcome parameter.

Conditions

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Exercise Nutritional Physiology

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

FACTORIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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beetroot juice

beetroot juice containing 6mmol nitrate, ingested 3hours before the exercise test

Group Type ACTIVE_COMPARATOR

beetroot juice

Intervention Type DIETARY_SUPPLEMENT

6mmol nitrate

sodium nitrate

6mmol sodium nitrate dissolved in plain water, ingested 3hours before the exercise test

Group Type ACTIVE_COMPARATOR

sodium nitrate

Intervention Type DIETARY_SUPPLEMENT

6mmol sodium nitrate

water

85ml of plain water, ingested 3 hours before the exercise test

Group Type PLACEBO_COMPARATOR

water

Intervention Type DIETARY_SUPPLEMENT

plain water

Interventions

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beetroot juice

6mmol nitrate

Intervention Type DIETARY_SUPPLEMENT

sodium nitrate

6mmol sodium nitrate

Intervention Type DIETARY_SUPPLEMENT

water

plain water

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* healthy paracycling athletes
* healthy, able-bodied, upper-body trained individuals

Exclusion Criteria

* female
* smoking
* any medication affecting performance
* medical conditions affecting performance
Minimum Eligible Age

18 Years

Maximum Eligible Age

60 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Swiss Paraplegic Research, Nottwil

NETWORK

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Claudio Perret, PD PhD

Role: PRINCIPAL_INVESTIGATOR

Swiss Paraplegic Centre

Locations

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Swiss Paraplegic Centre

Nottwil, Canton of Lucerne, Switzerland

Site Status

Countries

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Switzerland

Other Identifiers

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2015-04

Identifier Type: -

Identifier Source: org_study_id

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