Blood microRNA test to monitor immune balance after heart transplant

Phenotyping Net Immune State with MicroRNAs in Cardiac Transplantation

NIH-funded research Inova Health Care Services · NIH-11295388

A blood microRNA test will track immune balance in adults after heart transplant to help tailor their immunosuppressive medicines.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionInova Health Care Services NIH-funded
Lab location1 site (Fairfax, UNITED STATES)
Project IDNIH-11295388 on NIH RePORTER

What this research studies

You would have regular blood draws to measure tiny RNA molecules called microRNAs that circulate in your blood. Those microRNA patterns will be linked to your medication doses, infections, and any rejection events from your medical records. The team will use sequencing and deep clinical information to create a panel of microRNAs that flag when you are over- or under-immunosuppressed. That panel is meant to help doctors adjust immunosuppressive drugs more precisely and sooner than current methods.

Who could benefit from this research

Good fit: Adults (21+) who have received a heart transplant and are willing to attend follow-up visits and provide serial blood samples and clinical information.

Not a fit: People without a heart transplant, children under 21, or those unable or unwilling to provide blood samples or follow-up care would not directly benefit from this project.

Why it matters

Potential benefit: If successful, this could help personalize immunosuppression to lower risks of rejection, infection, and medication-related organ damage.

How similar studies have performed: Preliminary data and early studies suggest circulating microRNAs can reflect immune activity after transplant, but this approach still needs larger clinical validation to guide treatment.

Where this research is happening

Fairfax, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-10 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.