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COPD heart puzzle: researchers seek clues in exercise patterns

NCT ID NCT05896579

Knowledge-focused Sponsor: University of Colorado, Denver 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how the right side of the heart works in people with COPD, both at rest and during different levels of exercise. Researchers want to find patterns of heart strain to help develop better treatments in the future. About 60 adults aged 40 and older with COPD will take part.

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 60 people

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

Started

Aug 2023

Expected to finish

Aug 2030

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

40 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: * COPD (determined by ratio of forced expiratory volume in 1 second to forced vital capacity \[FEV1/FVC\] \<0.7) * Age \>= 40 years Exclusion Criteria: * Exacerbation of COPD in the 3 months prior to enrollment * Change in COPD therapy in the 3 weeks prior to enrollment * Requirement of \>6 LPM supplemental oxygen at rest * Requirement of \>10 LPM supplemental oxygen with exertion * Active/uncontrolled cardiovascular disease (e.g. hypertension with blood pressure \>150/100 despite antihypertensives; coronary artery disease with angina; left ventricular ejection fraction ≤40%; arrhythmia; pulmonic, mitral or aortic valvular abnormality greater than mild in severity; tricuspid regurgitation greater than moderate in severity) * Volume overload (jugular vascular distension or greater than trace peripheral edema) * World Health Organization Functional Class IV * Known pulmonary hypertension with mean pulmonary artery pressure \>45 mmHg * Untreated severe obstructive sleep apnea or obesity hypoventilation syndrome * Active malignancy (other than skin) * Medical conditions that limit exercise on an upright stationary bicycle (e.g. severe osteoarthritis, imbalance/gait instability, etc.) * Pregnancy * Body mass index \<18 or \>40 * Hematocrit \<25% or \>55% * For invasive CPET, chronic anticoagulation that is unable to be held for the study visit * For invasive CPET, forced expiratory volume in 1 second of \<20%

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease COPD, severe early onset Motor Activity pulmonary hypertension Ventricular Dysfunction, Right

As listed by the trial registrant

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

COPD Exercise Exercise training Pulmonary hypertension Right ventricular dysfunction

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 Colorado Anschutz Medical Campus

    RECRUITING

    Aurora, Colorado, 80045, United States

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