NIH-funded research R21 grant

Understanding evaporative dry eye disease and its causes

Official title: Defining a new model of evaporative dry eye disease

Funded at University of California at Davis · NIH-11039647 · Data updated 2026-11-12

This study is looking at dry eye disease by using special mice that have a gene missing, which helps researchers learn more about what causes this common eye problem and how we might be able to treat it better in people.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of California at Davis
NIH-funded
Lab location1 site (Davis, United States)
Project startMay 1, 2025
Project endApril 30, 2028
Funding year2025
Award (this year)$442,750
NIH project number1R21EY037056-01
Project IDNIH-11039647 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with evaporative dry eye disease or those experiencing symptoms related to dry eyes.

Less likely to help

Patients with aqueous deficient dry eye disease or those without any symptoms of dry eye may not benefit from this research.

What this research studies

This research investigates evaporative dry eye disease (EDED), a common condition characterized by an abnormal tear film that causes inflammation and irritation of the eye. The study utilizes a unique mouse model that lacks a specific gene responsible for lipid synthesis in the tear film, mimicking the condition seen in human patients. By examining these mice, researchers aim to uncover the underlying mechanisms of EDED and explore potential new treatments. The findings could lead to better understanding and management of this prevalent eye disorder.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for patients suffering from evaporative dry eye disease.

How similar studies have gone: While there has been research on dry eye disease, this specific approach using a novel animal model is relatively new and untested.

Where this research is happening

  • University of California at Davis
    Davis, United States
    Active

Researchers

  • Principal investigator: Leonard, Brian C. — University of California at Davis
  • Study coordinator: Leonard, Brian C.

Related research

Other NIH-funded projects on the same topics.

  • Stabilizing the tear film to relieve evaporative dry eye

    This project tests new ways to stabilize the tear film in people with evaporative dry eye, with the goal of longer-lasting comfort.

    NIH research Michigan State University · East Lansing, United States · NIH-11641969

  • A new way to understand evaporative dry eye

    Researchers are building a lab model to better understand why people develop evaporative dry eye so treatments can be improved.

    NIH research Michigan State University · East Lansing, United States · NIH-11398342

  • Mitigating Dry Eye Symptoms by Improving Indoor Air Quality

    Aimed at adults with dry eye symptoms, this study tests a low-cost, multi-faceted plan to improve indoor air and reduce eye discomfort.

    NIH research University of Miami School of Medicine · Coral Gables, United States · NIH-11344220

  • Tear microRNA patterns in women and men with dry eye

    Researchers will look at tiny RNA molecules in tear fluid from people with dry eye to find patterns linked to sex and race.

    NIH research Augusta University · Augusta, United States · NIH-11311871

  • Immune causes of chronic dry eye

    This work looks at how certain immune cells make dry eye persist in adults and aims to point toward better, longer-lasting treatments.

    NIH research Schepens Eye Research Institute · Boston, United States · NIH-11237037

  • A new type of plug to help relieve dry eye symptoms

    This study is working on a new type of eye plug that can help make life easier for people with dry eyes by using special materials that adjust to their needs, aiming to provide more comfort and better results than current treatments.

    NIH research Aesculatech, INC. · Los Angeles, UNITED STATES · NIH-11216481

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.