Investigating how cell-free hemoglobin affects lung injury during sepsis

Cell-free hemoglobin-oxidized LDL-LOX-1 axis and microvascular hyperpermeability during sepsis

NIH-funded research University of South Alabama · NIH-11127820

This study is looking at how a substance called cell-free hemoglobin can harm the lungs in people with sepsis, which might help us find new ways to treat lung problems like ARDS.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of South Alabama NIH-funded
Lab location1 site (Mobile, United States)
Project IDNIH-11127820 on NIH RePORTER

What this research studies

This research focuses on understanding the mechanisms by which cell-free hemoglobin contributes to lung injury in patients with sepsis. It examines how this hemoglobin interacts with low-density lipoprotein to disrupt the barrier of microvascular endothelial cells, leading to increased permeability and acute respiratory distress syndrome (ARDS). By analyzing patient samples, the study aims to uncover the cellular and molecular pathways involved in this process, potentially identifying new targets for treatment. The approach combines clinical data with laboratory analysis to explore these interactions in depth.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients diagnosed with sepsis who are at risk of developing acute respiratory distress syndrome.

Not a fit: Patients who do not have sepsis or are not at risk for ARDS may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new prevention or treatment strategies for ARDS in sepsis patients.

How similar studies have performed: While the specific mechanisms being investigated are novel, previous research has shown that targeting similar pathways can lead to significant advancements in treating sepsis-related complications.

Where this research is happening

Mobile, 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 Acute Lung InjuryAcute Pulmonary InjuryAcute Respiratory Distress SyndromeAdult Respiratory Distress SyndromeAtherosclerotic Cardiovascular Disease
Last reviewed 2026-06-13 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.