NIH-funded research R01 grant

Understanding why transplanted hearts fail over time

Official title: Defining cellular mechanisms of chronic graft failure in transplanted hearts with single cell multi-omics

Funded at Northwestern University at Chicago · NIH-11060859 · Data updated 2026-11-12

This study is looking at how heart transplants can sometimes fail over time, especially when the heart muscle gets too thick, and it aims to understand the different types of cells involved in this process to help improve the health and longevity of transplanted hearts for patients.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionNorthwestern University at Chicago
NIH-funded
Lab location1 site (Chicago, United States)
Project startApril 20, 2022
Project endMarch 31, 2026
Funding year2025
Award (this year)$374,875
NIH project number5R01HL160552-04
Project IDNIH-11060859 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals who have undergone heart transplantation and are experiencing or at risk for chronic graft failure.

Less likely to help

Patients who have not received a heart transplant or those with acute heart failure may not benefit from this research.

What this research studies

This research investigates the cellular mechanisms behind chronic graft failure in transplanted hearts, particularly focusing on cardiac allograft hypertrophy (CAH). By utilizing advanced single cell multi-omics sequencing technology, the study aims to analyze various cell types and their interactions within the heart tissue. The approach includes distinguishing between donor and host cells to better understand their roles in the development of CAH. This comprehensive analysis could reveal critical insights into the cellular changes that lead to graft failure, ultimately aiming to improve long-term outcomes for heart transplant patients.

Why it matters

Potential benefit: If successful, this research could lead to improved strategies for preventing chronic graft failure in heart transplant patients.

How similar studies have gone: Other research has shown promise in using multi-omics approaches to understand complex diseases, suggesting potential for success in this novel application.

Where this research is happening

  • Northwestern University at Chicago
    Chicago, United States
    Active

Researchers

  • Principal investigator: Gao, Ruli — Northwestern University at Chicago
  • Study coordinator: Gao, Ruli

Related research

Other NIH-funded projects on the same topics.

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  • Targeted gene therapy to protect prosthetic leg bypass grafts

    This project uses targeted gene-silencing treatments to prevent narrowing and failure of synthetic bypass grafts in people with blocked leg arteries.

    NIH research Beth Israel Deaconess Medical Center · Boston, United States · NIH-11251803

  • Improving vein graft success after heart bypass surgery

    This project uses computer models to design better ways to prevent vein grafts from failing after coronary artery bypass surgery.

    NIH research Stanford University · Stanford, United States · NIH-11117074

  • Gene therapies to prevent vein graft failure in heart and leg surgeries

    This study is looking at a new way to help improve the success of vein grafts used in heart and leg surgeries, especially for people with coronary artery disease and peripheral arterial disease, by using a special gene therapy that could help keep the grafts healthy and working better for longer.

    NIH research Beth Israel Deaconess Medical Center · Boston, United States · NIH-11094828

  • Gene therapies to prevent failure of prosthetic bypass grafts

    This study is looking at a new way to help people with severe leg artery blockages by using a special treatment to improve the success of prosthetic grafts, which can sometimes fail and lead to serious problems like losing a limb.

    NIH research Beth Israel Deaconess Medical Center · Boston, United States · NIH-11028761

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.
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.