- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05452421
Nitrate and Power Output After Two Beetroot Juice Drinks
Plasma and Salivary Nitrate/Nitrite Responses and Power Output Compared After Two Beetroot Juice Drinks
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
- The main aim of this study is to determine and compare the optimal time to achieve peak concentration of blood plasma nitrite after ingestion of beetroot juice (BR) and isotonic beetroot juice (ISO-CB), respectively. Optimal timing of drink consumption in relation to exercise can then be prescribed in relation to nitrite appearance in the blood.
- A secondary aim of this study is to evaluate the association between blood plasma nitrite concentration and saliva nitrite concentration after ingestion of the two drinks to determine whether blood plasma analysis can be fully or partially substituted with a salivary nitrite test.
- A final aim of this study is to investigate the ergogenic effects of ISO-CB compared with BR during a single 30 second cycling sprint bout (Wingate test) and two jumping tests.
A randomised controlled trial recruiting 24 healthy male and female participants. Each participant will complete two conditions: (i) BR and (ii) ISO-CB. On each condition participants will consume During each trial, participants will ingest 2 x 285ml of beverage 3 hours prior to performing two jump tests follow by a Wingate test. In the next trial, participants will undergo the same procedures, but ingest the beverage that they did not take the previous round. The study will be double-blinded study. Blood samples will be taken before supplementation, 2 hours and 3 hours after consuming the beverage. Salivary NO content will be measured at the start of the morning, 1 hour, 2 hours, 3 hours after consumption of beverage and at the end of the exercise. For each trial, participants will also fill out a sensory evaluation form in relation to the drink consumed. It is hypothesized that blood plasma nitrite and saliva nitrite appearance will be earlier with ISO-CB and that participants will have improved peak and mean power when ISO-CB is consumed compared with BR.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Singapore, Singapore, 637616
- Human Bioenergetics Laboratory, National Institute of Education, Nanyang Technological University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Age: 21-35 years.
- Healthy and injury-free: defined as no positive (Yes) answers to the Physical Activity Readiness Questionnaire (PAR-Q+) and not reporting any other health issues that may be affected by exercise.
- Blood pressure: <130/90 mmHg.
- Physically active: Engaging in a minimum of 150 minutes of moderate-intensity exercise or 75 minutes of vigorous-intensity physical activity each week determined via self-report Global Physical Activity Questionnaire (GPAQ).
- Body mass index (BMI): 18.5-25.0 kg/m2.
- Non-smoker.
Exclusion Criteria:
- Any allergies to beetroot or isotonic drink.
- Asthma.
- Any report of personal health issues that may compromise the individual's ability to undertake exercise safely.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group A
Isotonic carbohydrate beetroot juice drink
|
An isotonic carbohydrate beetroot juice drink containing 141 mg nitrate per 100 ml (12.9 mmol).
Total of 570 ml serving in two doses of 285 ml over one morning.
Contains 6.2 g carbohydrate per 100 ml.
Osmolality 304-310 mOsm/kg.
Other Names:
A beetroot juice drink containing 141 mg nitrate per 100 ml (12.9 mmol).
Total of 570 ml serving in two doses of 285 ml over one morning.
Contains 6.1 g carbohydrate per 100 ml.
Osmolality 390-410 mOsm/kg.
Other Names:
|
Experimental: Group B
Beetroot juice drink
|
An isotonic carbohydrate beetroot juice drink containing 141 mg nitrate per 100 ml (12.9 mmol).
Total of 570 ml serving in two doses of 285 ml over one morning.
Contains 6.2 g carbohydrate per 100 ml.
Osmolality 304-310 mOsm/kg.
Other Names:
A beetroot juice drink containing 141 mg nitrate per 100 ml (12.9 mmol).
Total of 570 ml serving in two doses of 285 ml over one morning.
Contains 6.1 g carbohydrate per 100 ml.
Osmolality 390-410 mOsm/kg.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Blood plasma nitrite
Time Frame: 3 hours
|
Peak concentration of blood plasma nitrite
|
3 hours
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Salivary nitrite
Time Frame: 3 hours
|
Salivary nitrite concentration
|
3 hours
|
Power output
Time Frame: 30 seconds
|
Peak and mean power output
|
30 seconds
|
Jump height and distance
Time Frame: Two jumps averaged
|
Jump height and distance
|
Two jumps averaged
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Stephen Burns, PhD, Nanyang Technological University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- IRB-2022-149
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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