Understanding how cell-free hemoglobin affects kidney injury after heart surgery in children

Mechanisms of Cell-Free Plasma Hemoglobin-Mediated Renal Injury after Cardiopulmonary Bypass

NIH-funded research University of Pittsburgh at Pittsburgh · NIH-10654592

This study is looking at how a substance called cell-free plasma hemoglobin, which can be released during heart surgeries in kids, might lead to kidney problems, and it aims to find ways to help protect their kidneys during these procedures.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Pittsburgh at Pittsburgh NIH-funded
Lab location1 site (Pittsburgh, United States)
Project IDNIH-10654592 on NIH RePORTER

What this research studies

This research investigates the mechanisms by which cell-free plasma hemoglobin, produced during cardiopulmonary bypass in pediatric heart surgeries, contributes to acute kidney injury. The study aims to identify the pathophysiological processes involved and explore potential therapeutic targets through both clinical observations and an in vivo rodent model. By examining the relationship between hemoglobin levels, oxidative stress, and kidney function, the research seeks to improve outcomes for children undergoing these procedures.

Who could benefit from this research

Good fit: Ideal candidates for this research are children undergoing cardiopulmonary bypass during cardiac surgery.

Not a fit: Patients who are not undergoing cardiopulmonary bypass or those with pre-existing severe kidney conditions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved strategies for preventing kidney injury in children after heart surgery.

How similar studies have performed: Previous research has indicated a link between cell-free hemoglobin and kidney injury, suggesting that this approach may yield valuable insights.

Where this research is happening

Pittsburgh, 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.
Conditions Hb SS diseaseHbSS diseaseHemoglobin S DiseaseHemoglobin sickle cell diseaseHemoglobin sickle cell disorder
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.