NIH-funded research U01 cooperative agreement

Mechanisms and Targeting T Cell Regulation in Heart Transplant Monkeys

Official title: Mechanisms and Therapeutic Targeting of T cell Regulation in Heart Allograft Recipient Monkeys

Funded at University of Pittsburgh at Pittsburgh · NIH-11541805 · Data updated 2026-11-12

A patient-focused look at a study exploring how immune cells control heart transplant rejection and how to improve long-term graft survival.

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionUniversity of Pittsburgh at Pittsburgh
NIH-funded
Lab location1 site (Pittsburgh, United States)
Project startMarch 6, 2024
Project endJanuary 31, 2029
Funding year2026
Award (this year)$83,475
NIH project number3U01AI177308-03S1
Project IDNIH-11541805 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals with end-stage heart failure awaiting or having undergone heart transplantation who may benefit from improved immune regulation strategies.

Less likely to help

Patients without heart transplantation or those not affected by immune-mediated graft rejection may not directly benefit.

What this research studies

This project investigates why some patients (and in this case, monkeys used to model human biology) experience chronic rejection after heart transplantation due to stubborn memory T cells. It examines how reactive oxygen species and key signals like IL-6, IL-7, and IL-15 influence T cell behavior and graft health, and tests potential cell-based approaches to restore immune balance. The study uses a monkey model to explore immune therapies, aiming to translate findings into safer, longer-lasting heart transplants for people who need them. If successful, it could lead to new strategies that reduce the need for lifelong broad immunosuppression and improve quality of life for transplant patients.

Why it matters

Potential benefit: If successful, this research could yield new immune-based therapies that improve long-term heart transplant survival and reduce reliance on heavy immunosuppression.

How similar studies have gone: Previous work supports the concept that targeted immune regulation can influence graft outcomes, but effective clinical therapies remain to be proven in humans.

Where this research is happening

  • University of Pittsburgh at Pittsburgh
    Pittsburgh, United States
    Active

Researchers

  • Principal investigator: Ezzelarab, Mohamed B — University of Pittsburgh at Pittsburgh
  • Study coordinator: Ezzelarab, Mohamed B

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.