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Interval training may boost daily steps and reduce sleepiness in veterans with overlap syndrome

NCT ID NCT05254431

Symptom relief Sponsor: VA Office of Research and Development 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether interval exercise (short bursts of activity with rest) can improve daily steps, daytime sleepiness, and heart health in veterans who have both COPD and obstructive sleep apnea (called Overlap Syndrome). About 28 veterans will take part for 12 weeks. The goal is to find a safe exercise plan that helps prevent early loss of physical function.

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 28 people

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

Started

Apr 2022

Expected to finish

Apr 2027

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a US federal agency other than the NIH.

Who can take part

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

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

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: * Diagnosis of COPD and OSA, i.e., Overlap Syndrome Diagnosis of Overlap Syndrome (both COPD and OSA), confirmed in CPRS from spirometry or pulmonary function test of FEV1/FVC \<70 for COPD and a polysomnogram or home-based study for OSA. * Montreal Cognitive Assessment (MoCA) \>20 Exclusion Criteria: * CAD, as defined by anyone of the following: history of CABG, prior positive stress test for ischemia, infarction or angina or medical problem * Orthopedic problems as defined by joint pain limiting ambulation * Fall risk, defined as more than 2 falls in the prior month * Hospitalization in prior month * Daytime home oxygen 6. Participation in structured exercise, defined by the Physical Activity Scale for the Elderly (PASE) as more than 1 hour of activity spent in moderate activity and any strenuous activity performed over prior 7 days.

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease COPD, severe early onset obstructive sleep apnea syndrome

As listed by the trial registrant

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

COPD OSA

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

  • Salem VA Medical Center, Salem, VA

    RECRUITING

    Salem, Virginia, 24153-6404, United States

More trials for these conditions

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