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Wearable data could personalize your workout

NCT ID NCT06425939

Knowledge-focused Sponsor: PepsiCo Global R&D Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether a fitness tracker (Whoop) can help personalize workout recommendations based on heart rate variability (HRV). 49 healthy adults who exercise 2-4 times a week wore the device and performed exercises. The goal was to understand how HRV relates to training load and performance in everyday life.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

49 people

The number who actually took part.

Started

May 2024

Finished

Oct 2024

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

25 to 50 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Actively participating in resistance training 2-4 times per week. 2. Age 21-50 years, male and female. 3. Subject is willing to refrain from vigorous exercise (light physical activity only) 24 hours prior to visit(s). 4. Subject is willing to avoid alcohol consumption 24 hours prior to visit(s). 5. Subject is willing to provide consent. 6. Subject is able to continuously wear a wrist-worn device, including during sleep, except when submerged underwater (i.e., swimming, bathing). Exclusion Criteria: 1. Individual has a condition the Investigator believes would interfere with his ability to provide informed consent, comply with the project/study protocol, which might confound the interpretation of the project/study results or put the person at undue risk. 2. Those with a medical history that would interfere with the results of this study. 3. Under the care of a physician. 4. Skin sensitivities. 5. Sleep disorders. 6. Using prescription medications that would impact sleep. 7. If female, you are not pregnant, planning to get pregnant or currently breast feeding. 8. Smoker. 9. Not able to wear wrist-worn device continuously. 10. Lack of proficiency in English. 11. Lack of proficiency or access to the internet and email address. 12. Participation in another clinical trial within the past 30 days. 13. Subject is employed by, or has a parent, guardian, or other immediate family member employed by a company that manufactures any products that compete with any Gatorade product. If subject is unsure if a company would be considered a competitor to Gatorade, they will be asked to please let the study investigator know the name of the other company and the nature of their relationship to that company before they sign the informed consent.

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Conditions

The condition(s) this trial relates to.

Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Exercise Heart rate variability

Contacts and locations

Locations

  • PepsiCo R&D, Gatorade Sports Science Institute

    Chicago, Illinois, 60607, United States

  • PepsiCo R&D, Gatorade Sports Science Institute

    Frisco, Texas, 75034, United States

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Other studies related to the condition(s) this trial covers.