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Walking after a heart device: simple step to better health?

NCT ID NCT03544489

Symptom relief Sponsor: University of Washington Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether a 12-week home walking program can improve daily activity and quality of life in people who have an implantable cardioverter defibrillator (ICD). Researchers will enroll 210 adults who can walk without help and have had an ICD placed to prevent sudden cardiac arrest. Participants will walk 3 days per week at home, and their steps and health will be tracked.

What this could mean

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

Active substance
home walking program
What this could lead to
If it works, this could show that a simple walking routine helps people with an ICD feel better and be more active.
What could go wrong
This is a small, early-stage study with only 210 participants, so results may not apply to everyone. The intervention is low-risk, but benefits may be modest.

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

About 210 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2025

Expected to finish

Jun 2029

An estimate. End dates often move.

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.

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: * ICD implantation for primary or secondary prevention of sudden cardiac arrest, -ability to read, speak and write English,- * access to a reliable phone for 6 months after study entry, * able to ambulate without assist devices for at least 5-10 minutes/day * greater than 18 years of age. Exclusion Criteria: * current diagnosis of serious mental disorder, * regular non-medical use of illicit drugs (opiates, cocaine, amphetamines, etc.), -unstable angina, myocardial infarction, ICD shock or heart surgery within previous 3 months * pregnancy * concurrent participation in an exercise program \> 5 days/week.

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Conditions

The condition(s) this trial relates to.

cardiac arrest Motor Activity

As listed by the trial registrant

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

Heart arrest Implantable defibrillator user Physical activity

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Washington

    RECRUITING

    Seattle, Washington, 98195, United States

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