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HealthyNCT05231434

Influence of Hydration and Functional Aerobic Capacity on the Nonlinear Dynamics of Heart Rate in Healthy Individuals

A study testing water and aerobic activity in people with Healthy, run by Universidade Estadual Paulista Júlio de Mesquita Filho at 1 site in Brazil.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The objective of this study is to analyze the influence of hydration and functional aerobic capacity in young and healthy individuals on non-linear heart rate dynamics as a technique that favor faster and more efficient recovery cardiac autonomic modulation. Read more about this study

Who is it for?
Ages 18 to 30 years, men onlyHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
water and aerobic activity
Could I receive a placebo?
No, everyone receives an active treatment
How many people
31 participants
Where
1 siteBrazil
Study dates
15 Jun 2020to 16 Apr 2021
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 18 to 30 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • include healthy and male individuals, age between 18 and 30 years and physically active.

Who cannot join

  • individuals who smoke and drink, those who have infections, metabolic and respiratory diseases that may interfere in the results and orthopedic problems.

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • Universidade Estadual Júlio de Mesquita Filho

    Presidente Prudente, São Paulo, 19060-300

Other trials in Brazil

About this study

Official title: Influence of Hydration and Functional Capacity on the Recovery of Nonlinear Heart Rate Dynamics in Healthy Individuals: Crossover Clinical Trial

The objective of this study is to analyze the influence of hydration and functional aerobic capacity in young and healthy individuals on non-linear heart rate dynamics as a technique that favor faster and more efficient recovery cardiac autonomic modulation.

Conditions
Healthy
Being tested
water, aerobic activity
Keywords
exercise, hydration, non-linear dynamic, Autonomic nervous system
Medical subject headings
Motor Activity

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • waterOther

    hydration with mineral water in 10 equal portions, administered at regular intervals from the 15th minute of exercise until the end of the recovery period.

  • aerobic activityOther

    aerobic activity

Study groups in NCT05231434
Study groupRoleWhat they receive
Control protocolActive comparatorThe control protocol will consist of an initial 10 minutes of rest, followed by 90 minutes of aerobic activity and 60 minutes of the final recovery. Hydration will not be allowed throughout the protocol
Receives: Other: aerobic activity
Hydration protocolExperimentalThe control protocol will consist of an initial 10 minutes of rest, followed by 90 minutes of aerobic activity and 60 minutes of the final recovery. In this protocol, volunteers will be hydrated with mineral water from the 15th minute of exercise until the end of recovery
Receives: Other: water; Other: aerobic activity

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Blood Pressure

    Will occur indirectly, using a stethoscope and an aneroid sphygmomanometer in the left arm. The indicated values will be registered in an individual form. To avoid errors in the determination of blood pressures in volunteers, a single evaluator will measure these variables throughout the experimental procedure. Data will be collected at the end of the 10 minutes of initial rest and at minutes 30, 60 and 90 during exercise on the treadmill, as well as will be collected at minutes 1, 5, 10, 20, 30, 40, 50 and 60 of recovery.

    Measured: up to 3 weeks

  2. Heart Rate

    The heart rate will be captured beat by beat using the Polar RS800CX frequency meter, equipment previously validated to capture this parameter. Data will be collected at the end of the 10 minutes of initial rest and at minutes 30, 60 and 90 during exercise on the treadmill, as well as will be collected at minutes 1, 5, 10, 20, 30, 40, 50 and 60 of recovery.

    Measured: up to 3 weeks

  3. Autonomic Modulation - SD1 index

    the data for this evaluation will be collected using a heart rate monitor that registers the heart rate beat by beat and provides information regarding the RR intervals. The SD1 index corresponds to the dispersion of points perpendicular to the line of identity of the ellipse obtained from the Poincaré plot. Expressed in milliseconds.

    Measured: up to 3 weeks

  4. Autonomic Modulation - SD2 index

    The data for this evaluation will be collected using a heart rate monitor that registers the heart rate beat by beat and provides information regarding the RR intervals. The SD2 index corresponds to the dispersion of points along the line of identity of the ellipse obtained from the Poincaré plot. Expressed in milliseconds.

    Measured: up to 3 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Feb 2022
  2. Study start15 Jun 2020
  3. Primary completion16 Apr 2021
  4. Study completion16 Apr 2021

Resources

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
Supportive care
Allocation
Non-randomised
Intervention model
Crossover
Masking
None (open label)
Enrolment
31 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05231434
Sponsor's protocol ID
38152620.5.0000.5402
Status last verified
Jan 2022
First submitted
5 Jan 2022
Last updated
9 Feb 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Questions about this trial

What is this clinical trial studying?

A study testing water and aerobic activity in people with Healthy, run by Universidade Estadual Paulista Júlio de Mesquita Filho at 1 site in Brazil.

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: finished, as of the sponsor's last update on 9 Feb 2022. 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 Brazil. 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?

Blood Pressure (time frame: up to 3 weeks). The study lists 4 primary outcomes in all. 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 9 Feb 2022.

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