Adolescent SwimmersNCT07786935
Effects of Six Weeks of Sub-High-Altitude Training on the Physical Performance and Psychological State of Adolescent Swimmers
A study testing sub-altitude training in people with Adolescent Swimmers, run by Xiang Gao at 1 site in China.
Trial summary
To investigate the effects of sub-altitude training on the physical performance and psychological state of adolescent swimmers and to analyze the possible mechanisms underlying these effects Read more about this study
- Who is it for?
- Ages 12 to 18 yearsHealthy volunteers can take part
- Conditions the study is for
- Adolescent Swimmers
- What is being tested?
- sub-altitude training
- Type of treatment
- Lifestyle or therapy programme
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 20 participants
- Where
- 1 siteChina
- Study dates
- 19 Jul 2025to 23 Aug 2025
- Phase
- Interventional
- 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 12 to 18 years
- All sexes
- Healthy volunteers accepted
- Child, Adult
Who may be able to join
- Age 12-18 years;
- At least 3 years of systematic swimming training;
- No history of severe lower-limb sports injuries within the past 6 months (defined as injuries resulting in a training hiatus of ≥4 weeks);
- No participation in any form of hypoxic training during the 2 months prior to the experiment.
Who cannot join
- Presence of any cardiovascular, metabolic, or musculoskeletal disorders that may affect testing or training;
- Inability to guarantee attendance during the experiment (expected number of absences > 2)
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Effects of Six Weeks of Sub-High-Altitude Training on the Physical Performance and Psychological State of Adolescent Swimmers. An Interventional Study
To investigate the effects of sub-altitude training on the physical performance and psychological state of adolescent swimmers and to analyze the possible mechanisms underlying these effects
- Conditions
- Adolescent Swimmers
- Being tested
- sub-altitude training
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
sub-altitude trainingBehavioural
sub-altitude training
| Study group | Role | What they receive |
|---|---|---|
| Experimental group | Experimental | Not described Receives: Behavioral: sub-altitude training |
What is being measured
The primary outcome is the main question the study is designed to answer.
change of Creatine kinase (CK)
Measured: 1 month
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 Aug 2026
- Study start19 Jul 2025
- Primary completion23 Aug 2025
- Study completion23 Aug 2025
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Adolescent SwimmersStudies 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
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Other
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 20 participants (actual)
Sponsor and investigators
- Lead sponsor
- Xiang Gao
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor-investigator, Xiang Gao, Guangzhou Sport University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT07786935
- Sponsor's protocol ID
- 2022LCLL-29
- Status last verified
- Aug 2026
- First submitted
- 22 Aug 2026
- Last updated
- 26 Aug 2026
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
Study at a glance
From the registry record, last updated by the sponsor on 26 Aug 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Effects of Six Weeks of Sub-High-Altitude Training on the Physical Performance and Psychological State of Adolescent Swimmers. An Interventional Study
- ClinicalTrials.gov ID
- NCT07786935
- Acronym / sponsor ID
- 2022LCLL-29
- Conditions
- Adolescent Swimmers
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 20 participants (actual)
- Lead sponsor
- Xiang GaoUniversity, hospital or other
- Study start
- 19 Jul 2025 (actual)
- Primary completion
- 23 Aug 2025 (actual)
- Study completion
- 23 Aug 2025 (actual)
- First posted
- 26 Aug 2026 (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.
To investigate the effects of sub-altitude training on the physical performance and psychological state of adolescent swimmers and to analyze the possible mechanisms underlying these effects
Study design
- Primary purpose
- Other
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Experimental group | Experimental | Behavioral: sub-altitude training |
Who may qualify
- Ages
- 12 to 18 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult
Key inclusion criteria (4 listed)
- Age 12-18 years;
- At least 3 years of systematic swimming training;
- No history of severe lower-limb sports injuries within the past 6 months (defined as injuries resulting in a training hiatus of ≥4 weeks);
- No participation in any form of hypoxic training during the 2 months prior to the experiment.
Key exclusion criteria (2 listed)
- Presence of any cardiovascular, metabolic, or musculoskeletal disorders that may affect testing or training;
- Inability to guarantee attendance during the experiment (expected number of absences > 2)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| sub-altitude trainingsub-altitude training | Behavioural | Experimental group |
Primary outcome
change of Creatine kinase (CK)
Time frame: 1 month
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Aug 2026.
Related trials for Adolescent Swimmers
Active, not recruiting
Dry-land Strength and Conditioning for Competitive Youth Swimmers
Swimming, Strength Training Effects
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.
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing sub-altitude training in people with Adolescent Swimmers, run by Xiang Gao at 1 site in China.
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 4 inclusion and 2 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: finished, as of the sponsor's last update on 26 Aug 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.
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?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
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?
change of Creatine kinase (CK) (time frame: 1 month). 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 26 Aug 2026.