New PET scan could reveal hidden heart scarring in real time
NCT ID NCT07296081
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
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2025
- Expected to finish
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Dec 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Faculdade de Medicina da Universidade de Coimbra
RECRUITINGCoimbra, Coimbra District, 3000-548, Portugal
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