Imaging Histone Deacetylase in the Heart

This study is looking at a new way to image the heart using a special tracer called 11C-Martinostat and a PET-MRI scanner. Researchers want to see how this tracer binds to something called histone deacetylase (HDAC) in the heart. HDACs are enzymes that play a role in heart conditions like heart failure and thickening of the heart muscle (left ventricular hypertrophy). The study aims to understand how HDACs work in healthy people, and in those with diabetes or a heart condition called aortic valve stenosis. This could help doctors better understand these conditions and develop new treatments. The study is currently recruiting participants aged 18 to 85 years, including healthy volunteers and patients with diabetes.

Study design
This interventional study plans to enroll 96 participants, including healthy volunteers and patients with diabetes. It is not specified if the study is randomized or blinded.
What's involved
Not specified in the trial record.
Compensation
Not stated in the trial record.
Follow-up
The primary endpoint, 11C-Martinostat binding, is measured at 10-60 minutes post-injection. It is not specified if there is follow-up beyond this timeframe.

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NCT03549559

Imaging Histone Deacetylase in the Heart

Recruiting
NAAges 18–85InterventionalDiagnostic
Massachusetts General Hospital
~96 participants
Updated 2025-12-22 on ClinicalTrials.gov
What's tested:11C-MartinostatPET-MRI

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
11C-Martinostat Binding
Measured over 10-60 minutes post-injection
Heart Failure With Normal Ejection Fraction
Left Ventricular Hypertrophy
Aortic Valve Stenosis
Diabetes
1 sites across 1 states
Massachusetts1

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Eligibility criteria

Inclusion

Healthy adults with no known history of medical disease
Age 18-85 years
No history cardiovascular disease
Ability to provide informed consent
Age 18-85 years
Diagnosis of diabetes
Echocardiogram within last 12 months showing no evidence of left ventricular hypertrophy or hemodynamic findings consistent with heart failure with preserved ejection fraction
Ability to provide informed consent
Age 18-85 years
Echocardiogram or cardiac MRI scan within last 12 months documenting left ventricular hypertrophy and degenerative calcific aortic stenosis
Ability to provide informed consent

Exclusion

Known contraindication to MRI
  • 11C-Martinostat Binding10-60 minutes post-injection

    Comparison of regional HDAC activity as measured by standard uptake value ratio (SUVR) of 11C-Martinostat between patient subjects with aortic stenosis or diabetes and healthy volunteers