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Can a quick workout help heart failure patients?

NCT ID NCT07325942

Symptom relief Sponsor: Cairo University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 shorter or longer sessions of high-intensity interval training (HIIT) work better for people with chronic heart failure. Researchers will measure changes in walking ability, heart function, and quality of life in 45 participants. The goal is to find a time-efficient exercise option that still provides real benefits.

What this could mean

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

Active substance
high-intensity interval training (HIIT)
What this could lead to
If successful, this could show that shorter, time-efficient exercise sessions are just as effective as longer ones for heart failure patients, making it easier to fit into daily life.
What could go wrong
This is a small, early-phase study with only 45 participants, so results may not apply to all heart failure patients. Exercise programs also require ongoing commitment and may not be suitable for everyone.

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 45 people

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

Expected to start

Dec 2025

An estimate. Start dates often move.

Expected to finish

Jun 2026

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: 1. Chronic stable heart failure patient with reduced ejection fraction (EF \<40) 2. Age Above 18 years old 3. Both males and females 4. The ability to provide informed consent Exclusion Criteria: 1. Based on the Scientific Statement from the American Heart Association: contraindications for exercise Testing and Training. (Fletcher et al., 2013) 1. Acute myocardial infarction (MI), within 2 days 2. Ongoing unstable angina 3. Uncontrolled cardiac tachy or brady arrhythmia with hemodynamic compromise 4. Active endocarditis 5. Symptomatic severe aortic stenosis 6. Decompensated heart failure 7. Acute pulmonary embolism, pulmonary infarction, or deep vein thrombosis 8. Acute myocarditis or pericarditis 9. Acute aortic dissection 10. Physical disability that precludes safe and adequate testing or training 11. Known obstructive left main coronary artery stenosis 12. Hypertrophic obstructive cardiomyopathy with severe resting gradient 13. Recent stroke or transient ischemic attack 14. Mental impairment with limited ability to cooperate 15. Resting hypertension with systolic or diastolic blood pressures \>200/110 mmHg 16. Uncorrected medical conditions, such as significant anemia, important electrolyte imbalance, and hyperthyroidism 2. Acute decompensated heart failure NYHA class IV

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Conditions

The condition(s) this trial relates to.

congestive heart failure systolic heart failure

As listed by the trial registrant

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

Chronic heart failure

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

  • Cairo University

    RECRUITING

    Cairo, Giza Governorate, Egypt

More trials for these conditions

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