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Can a fitness tracker replace the Doctor's office for heart checks in cancer survivors?

NCT ID NCT03838627

Knowledge-focused Sponsor: St. Jude Children's Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 pilot study tested whether a WHOOP wrist monitor can reliably measure resting heart rate and heart rate variability in 34 adult survivors of Hodgkin lymphoma who had chest radiation. Participants wore the monitor at home and also had in-office measurements. The goal was to see if remote monitoring is feasible and agrees with standard clinic methods.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could show that remote heart monitoring is a practical way to track heart health in cancer survivors without frequent clinic visits.
What could go wrong
This is a small pilot study with only 34 participants, so results may not apply to all survivors. The wrist monitor may not match clinic measurements closely enough.

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.

Participants

34 people

The number who actually took part.

Started

Feb 2019

Finished

Jun 2023

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Who is studied

St. Jude Patients

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Enrolled in the SJLIFE study. * Survivor of childhood Hodgkin lymphoma. * Exposure to ≥ 20 Gy chest radiation * Is 18 years of age and older. * No evidence of cancer recurrence. * Non-smoker at time of study participation. * Willingness to avoid caffeine for 3-4 hours and alcohol for 8 hours prior to testing. * No history of allergic reactions to ECG electrodes. * Has a smart phone and is willing to download the WHOOP app to their smartphone Exclusion Criteria: NA

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Conditions

The condition(s) this trial relates to.

classic Hodgkin lymphoma Hodgkins lymphoma

As listed by the trial registrant

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

Hodgkin disease

Contacts and locations

Locations

  • Kirsten Ness

    Memphis, Tennessee, 38105, United States

More trials for these conditions

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