High Intensity Interval Exercise (HIIE)NCT06636916
Time at VO2max During High-Intensity Interval Training
A study testing Short Intervals HIIT and Long intervals HIIT in people with High Intensity Interval Exercise (HIIE), run by University of Maia.
Trial summary
The project titled "Time at VO2max During High-Intensity Interval Training Manipulating Work and Rest" aims to investigate how different high-intensity interval training (HIIT) protocols influence the time athletes spend at or above 90% of their VO2max. Read more about this study
- Who is it for?
- Ages 18 years and olderHealthy volunteers can take part
- Conditions the study is for
- High Intensity Interval Exercise (HIIE)
- What is being tested?
- Short Intervals HIIT and Long intervals HIIT
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 10 participants
- Where
- No sites listed yet
- Study dates
- Nov 2024to Mar 2025
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
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 years and older
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- Middle and long distance track and field athletes
Who cannot join
- Injured athletes
Trial locations and contacts
No sites are listed yet. Contact the study team or a site near you to ask about taking part.
About this study
Official title: Time at VO2max During High-Intensity Interval Training Manipulating Work and Rest
The project titled "Time at VO2max During High-Intensity Interval Training Manipulating Work and Rest" aims to investigate how different high-intensity interval training (HIIT) protocols influence the time athletes spend at or above 90% of their VO2max. By adjusting the work-to-rest ratios in the HIIT formats, the study seeks to determine which configurations maximize the time spent in this high-intensity zone, contributing to more effective endurance training strategies. The findings could help optimize training protocols for athletes targeting improvements in aerobic capacity and performance.
- Conditions
- High Intensity Interval Exercise (HIIE)
- Being tested
- Short Intervals HIIT, Long intervals HIIT
- Keywords
- sports, hiit, athletic performance, vo2max
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Short Intervals HIITProcedure or surgery
Participants will undergo different high-intensity interval training (HIIT) protocols, which involve repeated bouts of exercise at an intensity above 90% of VO2max, followed by recovery periods. The work and rest durations will vary across the protocols to assess the impact on the total time spent at or above 90% of VO2max.
Long intervals HIITProcedure or surgery
Participants will undergo different high-intensity interval training (HIIT) protocols, which involve repeated bouts of exercise at an intensity above 90% of VO2max, followed by recovery periods. The work and rest durations will vary across the protocols to assess the impact on the total time spent at or above 90% of VO2max.
| Study group | Role | What they receive |
|---|---|---|
| short intervals | Experimental | This group will perform the hiit by doing short intervals Receives: Procedure: Short Intervals HIIT; Procedure: Long intervals HIIT |
| long intervals | Experimental | This group will perform the hiit by doing long intervals Receives: Procedure: Short Intervals HIIT; Procedure: Long intervals HIIT |
What is being measured
The primary outcome is the main question the study is designed to answer.
time above 90% vo2max
Measured: Duration of the HIIT (up to 20 minute)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted15 Oct 2024
- Study startNov 2024 (estimated)
- Primary completionDec 2024 (estimated)
- Study completionMar 2025 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for High Intensity Interval Exercise (HIIE)Studies 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
- Randomised
- Intervention model
- Crossover
- Masking
- Single blind
- Who is masked
- Outcomes assessor
- Enrolment
- 10 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Maia
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Filipe Silvano Pinto Maia, University of Maia
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06636916
- Sponsor's protocol ID
- _HIIT_FMJB
- Status last verified
- Oct 2024
- First submitted
- 3 Oct 2024
- Last updated
- 15 Oct 2024
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Study at a glance
From the registry record, last updated by the sponsor on 15 Oct 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Time at VO2max During High-Intensity Interval Training Manipulating Work and Rest
- ClinicalTrials.gov ID
- NCT06636916
- Acronym / sponsor ID
- _HIIT_FMJB
- Conditions
- High Intensity Interval Exercise (HIIE)
- Keywords
- sports, hiit, athletic performance, vo2max
- Study type
- Interventional
- Recruitment status
- Not yet recruiting
- Enrolment
- 10 participants (estimated)
- Lead sponsor
- University of MaiaUniversity, hospital or other
- Study start
- Nov 2024 (estimated)
- Primary completion
- Dec 2024 (estimated)
- Study completion
- Mar 2025 (estimated)
- First posted
- 15 Oct 2024 (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 project titled "Time at VO2max During High-Intensity Interval Training Manipulating Work and Rest" aims to investigate how different high-intensity interval training (HIIT) protocols influence the time athletes spend at or above 90% of their VO2max. By adjusting the work-to-rest ratios in the HIIT formats, the study seeks to determine which configurations maximize the time spent in this high-intensity zone, contributing to more effective endurance training strategies. The findings could help optimize training protocols for athletes targeting improvements in aerobic capacity and performance.
Study design
- Primary purpose
- Other
- Allocation
- Randomised
- Intervention model
- Crossover
- Masking
- Single blind (outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| short intervals | Experimental | Procedure: Short Intervals HIIT, Procedure: Long intervals HIITThis group will perform the hiit by doing short intervals |
| long intervals | Experimental | Procedure: Short Intervals HIIT, Procedure: Long intervals HIITThis group will perform the hiit by doing long intervals |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (1 listed)
- Middle and long distance track and field athletes
Key exclusion criteria (1 listed)
- Injured athletes
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 |
|---|---|---|
| Short Intervals HIITParticipants will undergo different high-intensity interval training (HIIT) protocols, which involve repeated bouts of exercise at an intensity above 90% of VO2max, followed by recovery periods. The work and rest durations will vary across the protocols to assess the impact on the total time spent at or above 90% of VO2max. | Procedure or surgery | long intervals, short intervals |
| Long intervals HIITParticipants will undergo different high-intensity interval training (HIIT) protocols, which involve repeated bouts of exercise at an intensity above 90% of VO2max, followed by recovery periods. The work and rest durations will vary across the protocols to assess the impact on the total time spent at or above 90% of VO2max. | Procedure or surgery | long intervals, short intervals |
Primary outcome
time above 90% vo2max
Time frame: Duration of the HIIT (up to 20 minute)
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 15 Oct 2024.
- Individual participant dataSharing planned: Undecided
Related trials for High Intensity Interval Exercise (HIIE)
Recruiting
Acute Effects of Isoenergetic HIIE vs. MICE on Key Parameters of Fat Mass Loss in Young Females With Overweight or Obesity
Overweight and Obese Adults, High Intensity Interval Exercise (HIIE)
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.
Questions about this trial
What is this clinical trial studying?
A study testing Short Intervals HIIT and Long intervals HIIT in people with High Intensity Interval Exercise (HIIE), run by University of Maia.
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: opening soon, as of the sponsor's last update on 15 Oct 2024. 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?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Filipe Maia (22 986 6000, FMAIA.dcd@umaia.pt), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
time above 90% vo2max (time frame: Duration of the HIIT (up to 20 minute)). 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 15 Oct 2024; AzTrials last refreshed its copy on 28 Oct 2026.