NIH-funded research R21 grant

How opioids affect eye immunity and infections

Official title: Differential impact of acute and chronic opioids on ocular innate immunity and infections

Funded at Wayne State University · NIH-11044479 · Data updated 2026-11-12

This study looks at how using opioids, both for a short time and a long time, might affect the immune system in the eye and increase the risk of infections, like endophthalmitis, so if you've used opioids, this research could help you understand how it might impact your eye health.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionWayne State University
NIH-funded
Lab location1 site (Detroit, United States)
Project startFebruary 1, 2025
Project endJanuary 31, 2027
Funding year2025
Award (this year)$192,500
NIH project number1R21EY037082-01
Project IDNIH-11044479 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with a history of opioid use, particularly those experiencing eye-related health issues.

Less likely to help

Patients who have never used opioids or do not have any eye health concerns may not benefit from this research.

What this research studies

This research investigates the effects of acute and chronic opioid use on the immune response in the eye, particularly focusing on how these effects may increase the risk of infections like endophthalmitis. By examining the immune response in human retinal cells and animal models, the study aims to understand the mechanisms by which opioids may suppress immunity and lead to higher infection rates. The research will involve analyzing inflammatory responses and the presence of pathogens in the eye following opioid exposure. Patients with a history of opioid use may find the findings relevant to their health.

Why it matters

Potential benefit: If successful, this research could lead to improved understanding and management of infections in patients with opioid use disorder.

How similar studies have gone: Previous research has indicated that opioids can impact immune responses, but this specific focus on ocular immunity and infections is relatively novel.

Where this research is happening

  • Wayne State University
    Detroit, United States
    Active

Researchers

  • Principal investigator: Kumar, Ashok — Wayne State University
  • Study coordinator: Kumar, Ashok

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.