NIH-funded research R21 grant

Using extracellular vesicles to treat diabetic retinopathy

Official title: Extracellular Vesicle Therapy for Diabetic Retinopathy

Funded at University of Southern California · NIH-10723000 · Data updated 2026-11-12

This study is testing a new treatment for diabetic retinopathy, a condition that can harm your vision, by using tiny particles to help repair the eye's damaged blood vessels and nerves, with the hope of preventing further vision loss and improving eye health.

More Diabetic Retinopathy research and trials

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Southern California
NIH-funded
Lab location1 site (Los Angeles, UNITED STATES)
Project startSeptember 30, 2023
Project endAugust 31, 2025
Funding year2023
Award (this year)$480,140
NIH project number1R21EY035425-01
Project IDNIH-10723000 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with diabetic retinopathy, particularly those in the early stages of the disease.

Less likely to help

Patients with advanced diabetic retinopathy who have already experienced significant vision loss may not benefit from this research.

What this research studies

This research investigates a novel therapy for diabetic retinopathy (DR), a condition that can lead to severe vision loss. The approach focuses on using extracellular vesicles to target and repair the damaged retinal neurovascular unit, which is affected by diabetes. By delivering therapeutic agents directly to areas of vascular dysfunction in the retina, the goal is to prevent further visual impairment and improve overall eye health. Patients will be monitored for changes in their retinal condition and visual function throughout the treatment process.

Why it matters

Potential benefit: If successful, this research could provide a new treatment option that helps preserve vision in patients with diabetic retinopathy.

How similar studies have gone: Other studies have shown promise in using targeted therapies for retinal conditions, suggesting that this approach may be effective, though it remains a novel application in this specific context.

Where this research is happening

  • University of Southern California
    Los Angeles, United States
    Active

Researchers

  • Principal investigator: Lee, Sun Young — University of Southern California
  • Study coordinator: Lee, Sun Young

Related research

Other NIH-funded projects on the same topics.

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.