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New study aims to simplify diagnosis of hidden heart failure in breathless patients

NCT ID NCT04688905

Diagnosis Sponsor: University of Leipzig Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 better ways to diagnose a type of heart failure called HFpEF in people who have unexplained shortness of breath. Researchers will compare non-invasive tests to the standard invasive method in 30 adults aged 18-90. The goal is to make diagnosis easier and more accurate without needing a catheter procedure.

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.

Participants

30 people

The number who actually took part.

Started

Sep 2020

Expected to finish

Aug 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.

Who is studied

Patients with unexplained dyspnea NYHA II-III

Ages

18 to 90 years

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: * dyspnea NYHA II-III * age 18-90 years * left ventricular ejection fraction ≥ 50% * ability to give informed consent Exclusion Criteria: * unstable cardiac disease with acute decompensation * documented former LVEF ≤ 40% * heart valve disease with medium or high grade insufficiency or stenosis * coronary heart disease with hemodynamically relevant coronary stenosis * specific cardiomyopathia * acute or chronic cardiac inflammation (myocarditis, pericarditis) * former heart transplantation * relevant pulmonary disease (e.g. COPD) assumably causing the dyspnea * FEV1/VC \< 70% * hemoglobin \< 5 mmol/l * pregnant or nursing women * contraindication for one of the diagnostic tests

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Conditions

The condition(s) this trial relates to.

diastolic heart failure Dyspnea

As listed by the trial registrant

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

Dyspnea

Contacts and locations

Locations

  • Universitätsklinikum Leipzig

    Leipzig, Saxony, 04103, Germany

More trials for these conditions

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