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Simple breathing workouts could help heart failure patients get stronger faster

NCT ID NCT07108231

Symptom relief Sponsor: CAROLINA NIGRO DI LEONE 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests whether special breathing exercises can improve breathing muscle strength in people hospitalized for heart failure. About 30 adults will either do breathing exercises with resistance or without. The goal is to see if this safe, simple training helps them feel better and recover faster.

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 30 people

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

Started

May 2026

Expected to finish

Oct 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: * Diagnosis of heart failure; * age over 18 years; * hospital admission due to heart failure; * clinical and hemodynamic stability defined as: heart rate \> 40 bpm and \< 130 bpm; systolic blood pressure (SBP) \> 90 mmHg and \< 180 mmHg; mean arterial pressure (MAP) \> 60 mmHg and \< 110 mmHg; respiratory rate \> 5 breaths per minute and \< 40 breaths per minute; peripheral oxygen saturation \> 88%; absence of psychomotor agitation or somnolence Exclusion Criteria: * pregnancy; * head trauma and/or brain injury; * motor incapacity preventing participation in the institutional rehabilitation protocol of the Cardiointensive Care Unit (ICU); * signs and/or symptoms of low cardiac output (such as sweating, hypotension, hyperlactatemia, nausea); * acute coronary syndrome; * advanced heart failure with left ventricular ejection fraction (LVEF) less than 20% * presence of untreated tachyarrhythmias or bradyarrhythmias; * use of inotropes or vasopressors at high doses or dose escalation in the last 24 hours (dobutamine above 15 mcg/kg/min, milrinone above 0.5 mcg/kg/min, norepinephrine above 0.3 mcg/kg/min).

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Conditions

The condition(s) this trial relates to.

heart failure

As listed by the trial registrant

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

Heart failure Hospitalizations Inspiratory capacity Inspiratory muscle strength

How to take part

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

  1. The places running it

    2 sites. 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

  • Carolina Nigro Di Leone

    NOT_YET_RECRUITING

    Rio de Janeiro, Rio de Janeiro, Brazil

  • Pedro Ernesto University Hospital

    RECRUITING

    Rio de Janeiro, Rio de Janeiro, Brazil

More trials for these conditions

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