SupplementsNCT03232229
Supplementation in Tennis
An observational study of Supplements and Tennis, run by Vrije Universiteit Brussel.
Trial summary
The aim of this observational study is to examine supplementation (e.g. caffeine or creatin) use in both male and female professional tennis players. Read more about this study
- Who is it for?
- Ages 18 to 40 yearsHealthy volunteers can take part
- Conditions the study is for
- Supplements, Tennis, Nutrition
- How many people
- 200 participants
- Where
- No sites listed yet
- Study dates
- 1 Oct 2017to 1 Mar 2019
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 40 years
- All sexes
- Healthy volunteers accepted
- Adult
Study population: The participants will have to be professional tennis players, both male and female.
Who may be able to join
- Professional tennis player
Who cannot join
- Any metabolic disease or a possible pregnancy
About this study
Official title: Supplementation in Tennis: an Observational Study
The aim of this observational study is to examine supplementation (e.g. caffeine or creatin) use in both male and female professional tennis players.
- Conditions
- Supplements, Tennis, Nutrition
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Tennis players | Not described |
What is being measured
The primary outcome is the main question the study is designed to answer.
Supplementation questionnaire
The participants will be asked about their supplementation use using a questionnaire. Participants will have a list of possible supplements on this questionnaire and they will be asked to indicate which supplement they take on a regular basis (at least once every three months).
The primary outcome measure will be the frequency (as a percentage) of the supplement intake.
Measured: October 2017 - September 2018
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted27 Jul 2017
- Study start1 Oct 2017 (estimated)
- Primary completion30 Sep 2018 (estimated)
- Study completion1 Mar 2019 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for SupplementsStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Cross-sectional
- Enrolment
- 200 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Vrije Universiteit Brussel
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Laurent Chapelle, Vrije Universiteit Brussel
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03232229
- Sponsor's protocol ID
- Suppl Tennis
- Status last verified
- Jul 2017
- First submitted
- 25 Jul 2017
- Last updated
- 27 Jul 2017
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No: Individual participant data will not be shared with other researchers.
Study at a glance
From the registry record, last updated by the sponsor on 27 Jul 2017. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Supplementation in Tennis: an Observational Study
- ClinicalTrials.gov ID
- NCT03232229
- Acronym / sponsor ID
- Suppl Tennis
- Conditions
- Supplements, Tennis, Nutrition
- Study type
- Observational
- Recruitment status
- Unknown status
- Enrolment
- 200 participants (estimated)
- Lead sponsor
- Vrije Universiteit BrusselUniversity, hospital or other
- Study start
- 1 Oct 2017 (estimated)
- Primary completion
- 30 Sep 2018 (estimated)
- Study completion
- 1 Mar 2019 (estimated)
- First posted
- 27 Jul 2017 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The aim of this observational study is to examine supplementation (e.g. caffeine or creatin) use in both male and female professional tennis players.
Study design
- Observational model
- Cohort
- Time perspective
- Cross-sectional
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Tennis players | – | – |
Who may qualify
- Ages
- 18 to 40 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult
- Study population
- The participants will have to be professional tennis players, both male and female.
Key inclusion criteria (1 listed)
- Professional tennis player
Key exclusion criteria (1 listed)
- Any metabolic disease or a possible pregnancy
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Supplementation questionnaire
Time frame: October 2017 - September 2018
The participants will be asked about their supplementation use using a questionnaire. Participants will have a list of possible supplements on this questionnaire and they will be asked to indicate which supplement they take on a regular basis (at least once every three months). The primary outcome measure will be the frequency (as a percentage) of the supplement intake.
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 27 Jul 2017.
- Individual participant dataSharing planned: No. Individual participant data will not be shared with other researchers.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
An observational study of Supplements and Tennis, run by Vrije Universiteit Brussel.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 27 Jul 2017. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Supplementation questionnaire (time frame: October 2017 - September 2018). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Jul 2017.