Clinical trial Recruiting at 3 sites Observational Ages 18 and up

Cardiac imaging and biomarkers to help diagnose antibody mediated rejection after heart transplant

Official title: CARdiac Imaging and BIomarkers in the Diagnosis of Antibody Mediated Rejection in Heart Transplantation

Run by IRCCS Azienda Ospedaliero-Universitaria di Bologna · NCT06774365 · Data updated 2026-11-12

This study tests whether MRI inflammation/fibrosis patterns and blood biomarkers can help identify antibody-mediated rejection in adults who recently received a heart transplant.

More Heart Transplantation trials

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment683 (estimated)
SponsorIRCCS Azienda Ospedaliero-Universitaria di Bologna
Academic / other
Locations4 sites (Bari, Bari and 3 other locations)
StatusRecruiting
StartedNovember 7, 2024
Main results expectedDecember 2029
Study endsDecember 2029
Registry record updatedMay 22, 2026
Trial IDNCT06774365 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults (18+) who are between 1 and 15 years post-heart transplant, clinically stable, with LVEF > 40%, and undergoing routine DSA screening.

Probably not a fit

Patients with recent acute rejection, planned hospitalization for cardiovascular reasons, contraindications to CMR, or pregnancy may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This multicenter observational study prospectively enrolls heart transplant recipients who are clinically stable but have donor-specific antibodies detected during routine AMR screening. Researchers will collect CMR imaging data to assess inflammation and fibrosis, along with blood-based biomarkers such as dd-cfDNA and T-reg populations, without altering standard clinical care. The goal is to determine how common fibrosis, edema, and abnormal T1 values are in patients with DSA and how often DSA is present among enrolled participants. Data are collected at study entry and through routine follow-up as part of standard practice, with treating physicians blinded to study-specific assay results. Interventions are not specified and follow current clinical guidelines.

Why it matters

Potential benefit: If successful, the study could improve understanding of noninvasive signals associated with AMR and help guide future diagnostic approaches for heart transplant recipients.

How similar studies have gone: Prior work in AMR surveillance suggests imaging and blood biomarkers can reflect rejection processes, but this exact combination in DSA-positive, clinically stable patients is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age \> 18 years

  * Post heart transplantation follow-up between 1 and 15 y
  * Ambulatory clinical stable
  * Left ventricular ejection fraction (LVEF) \> 40% (as assessed by complete cardiac ultrasound within 3 months before the enrolment)

Exclusion Criteria:

* Unplanned hospitalization for cardiovascular causes in the previous three months

  * Biopsy-proven cellular (2R or greater) or AMR (pAMR\> 1 ) in the previous 3 months
  * Any contraindication to CMR
  * Known pregnancy

Where it's running

  • IRCCS Azienda Ospedaliero-Universitaria di Bologna
    Bologna, Bologna, Italy
    Recruiting
  • ASST Grande Ospedale Metropolitano Niguarda
    Milan, Milano, Italy
    Recruiting
  • Azienda Ospedaliera dei Colli
    Naples, Napoli, Italy
    Recruiting
  • Azienda Ospedaliera Universitaria Consorziale Policlinico di Bari
    Bari, Bari, Italy
    Not yet recruiting

Study contacts

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.