Understanding STEAP4 in diabetic eye disease

The role of STEAP4 in retinal pathogenesis and diabetic retinopathy

NIH-funded research Louis Stokes Cleveland VA Medical Center · NIH-11129731

This research explores how a protein called STEAP4 contributes to diabetic retinopathy, a serious eye condition that can lead to vision loss in people with diabetes.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionLouis Stokes Cleveland VA Medical Center NIH-funded
Lab location1 site (Cleveland, United States)
Project IDNIH-11129731 on NIH RePORTER

What this research studies

Many Veterans with diabetes experience diabetic retinopathy, an eye disease that often leads to vision loss, and current treatments don't work for most. Our team recently found that a protein called STEAP4 is more active in the eyes of VA patients with diabetic retinopathy. We believe STEAP4 might play a role in the inflammation, stress, and iron buildup that are key parts of this disease. This project aims to understand exactly how STEAP4 affects these processes, as well as its impact on nerve damage, vision, and blood vessels in the eye.

Who could benefit from this research

Good fit: This research is focused on understanding diabetic retinopathy, particularly in patients with diabetes who experience this eye condition.

Not a fit: Patients without diabetic retinopathy or those whose condition is well-managed by existing treatments may not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to new treatments for diabetic retinopathy, especially for the many patients who do not benefit from current therapies.

How similar studies have performed: This approach is novel, as the function of STEAP4 in the retina is currently unknown, though preliminary data provides strong evidence for its role.

Where this research is happening

Cleveland, 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 2026-06-13 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.