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New PET scan could reveal hidden heart scarring in real time

NCT ID NCT07296081

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This pilot study is testing a new type of PET/CT scan that uses a radioactive tracer called 68Ga-FAPI to detect active scarring (fibrosis) in the hearts of 30 people with heart failure. The goal is to see if this scan can spot early or ongoing scarring better than current MRI methods. If it works, it could help doctors monitor disease and guide future treatments.

What this could mean

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

Active substance
68Ga-FAPI (a radioactive tracer for PET/CT scans)
What this could lead to
If successful, this scan could help doctors see active heart scarring in real time, guiding anti-fibrotic treatments and improving heart failure management.
What could go wrong
This is a very small, early pilot study with only 30 participants. The new scan may not prove better than existing methods, and results may not apply to all heart failure patients.

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

About 30 people

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

Started

Nov 2025

Expected to finish

Dec 2028

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

Fifteen patients with HFrEF (non-ischemic dilated cardiomyopathy) and Fifteen patients with HFpEF (hypertrophic cardiomyopathy)

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: * ≥ 18 years old; * Signs and symptoms of heart failure (HF); * \[Preserved left ventricular ejection fraction (LVEF) (≥50%) and Evidence of structural/functional abnormality consistent with diastolic dysfunction/increased ventricular filling pressures, including elevated natriuretic peptides and Imaging diagnosis of hypertrophic cardiomyopathy and Genetic diagnosis of hypertrophic cardiomyopathy due to sarcomeric gene mutation\] OR \[Reduced LVEF (≤40%) and Imaging diagnosis of dilated cardiomyopathy: left ventricular end-diastolic diameter \>58 mm in men and \>52 mm in women, and left ventricular volume ≥75 mL/m² in men and ≥62 mL/m² in women, not explained solely by loading conditions\] * Recent transthoracic echocardiogram (\< 3 months); * Recent cardiac magnetic resonance imaging (\< 3 months). * Normal coronary angiogram or computed tomography coronary angiography within 6 months of enrolment Exclusion Criteria: * Inability to provide informed consent; * Inability to tolerate the supine position; * Hemodynamic instability; * Claustrophobia; * Chronic kidney disease with glomerular filtration rate \<30 mL/min/1.73m²; * Pregnant or breastfeeding women; * Malignant neoplasms within the past 5 years; * Significant primary valvular disease; * Significant atherosclerotic coronary artery disease; * Grade 2 or 3 arterial hypertension; * Presence of an implanted cardiac electrical device; * Recent hospitalization for heart failure (\<30 days).

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

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

  • Faculdade de Medicina da Universidade de Coimbra

    RECRUITING

    Coimbra, Coimbra District, 3000-548, Portugal

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