Investigating cell-free DNA in cardiac sarcoidosis

Cardiomyocyte Specific Cell Free DNA as a Marker of Cardiac Sarcoidosis

Not applicable Interventional University of Iowa · NCT03858777

This study is testing if cell-free DNA can help doctors detect active heart inflammation in people with sarcoidosis.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment120 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Iowa Academic / other
Drugs / interventionsradiation
Locations2 sites (Iowa City, Iowa and 1 other locations)
Trial IDNCT03858777 on ClinicalTrials.gov

What this trial studies

This study aims to explore the role of cell-free DNA as a potential biomarker for detecting active myocarditis in patients with sarcoidosis. It will involve patients with diagnosed sarcoidosis, both with and without evidence of active myocarditis, as well as those experiencing acute ST elevation myocardial infarction. The methodology includes assessing patients through advanced imaging techniques and monitoring their response to immunosuppressive therapy. The goal is to improve the understanding and management of cardiac sarcoidosis, which can lead to severe complications.

Who should consider this trial

Good fit: Ideal candidates include patients diagnosed with sarcoidosis, particularly those with evidence of active myocarditis or acute ST elevation myocardial infarction.

Not a fit: Patients with known cardiac diseases unrelated to sarcoidosis or those currently on immunosuppressive therapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved diagnostic methods and treatment strategies for patients with cardiac sarcoidosis.

How similar studies have performed: While there have been studies exploring biomarkers in sarcoidosis, the specific approach of using cell-free DNA in this context is relatively novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
1. Sarcoidosis patients without evidence of active myocarditis:

   * Inclusion:

     * Diagnosis of sarcoidosis based on the ATS/ERS criteria.
     * Normal 12 lead ECG within the past one year.
     * Non-smoker.
     * No immunosuppressive therapy for at least one year.
   * Exclusion:

     * Known cardiac disease.
     * Active smoker.
     * On immunosuppressive therapy.
2. Sarcoidosis patients with evidence of active myocarditis:

   * Inclusion:

     * Diagnosis of sarcoidosis based on the ATS/ERS criteria.
     * Evidence of active myocarditis based on recent cMRI or cFDG-PET.
     * Non-smoker.
   * Exclusion:

     * Known cardiac disease other than sarcoidosis.
     * Active smoker.
     * On immunosuppressive therapy.
3. Acute ST elevation myocardial infarction (STEMI):

   * Inclusion:

     * Diagnosis STEMI based on 1mm ST elevation in 2 or more contiguous leads.
     * Symptom onset within 12 hours.
     * Undergoing cardiac intervention for acute coronary syndrome.
     * Able to consent for blood draw.
   * Exclusion:

     * Active smoker.
     * Hemodynamically unstable.
4. Healthy controls:

   * Inclusion:

     * No known cardiac disease.
     * No known cardiovascular risk factors: hypertension, diabetes.
     * Non-smoker.

Where this trial is running

Iowa City, Iowa and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Sarcoidosis With MyocarditisSarcoidosisHealthyST Elevation Myocardial Infarctionsarcoidosis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.