NIH-funded research R21 grant

Exploring stem cell treatments for normal tension glaucoma

Official title: Stem cell approaches to normal tension glaucoma

Funded at University of Iowa · NIH-11004256 · Data updated 2026-11-12

This study is looking into why some people with normal tension glaucoma, a type of eye condition that can cause blindness even when eye pressure is low, experience vision loss, and it's especially focused on a gene called TBK1 to find new ways to help treat this condition.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Iowa
NIH-funded
Lab location1 site (Iowa City, United States)
Project startJanuary 1, 2024
Project endDecember 31, 2025
Funding year2025
Award (this year)$194,375
NIH project number5R21EY035801-02
Project IDNIH-11004256 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals diagnosed with normal tension glaucoma, particularly those with genetic predispositions linked to the TBK1 gene.

Less likely to help

Patients with glaucoma caused solely by high intraocular pressure or those without genetic factors related to TBK1 may not benefit from this research.

What this research studies

This research investigates the underlying causes of normal tension glaucoma (NTG), a condition that leads to irreversible blindness despite low eye pressure. The team is studying genetic factors, particularly the TBK1 gene, which has been linked to NTG. By examining patient-derived cells and engineered animal models, they aim to understand how dysregulation of autophagy contributes to retinal cell death in NTG. The goal is to develop new therapeutic strategies that specifically target this condition, which is currently underserved by existing treatments.

Why it matters

Potential benefit: If successful, this research could lead to innovative therapies that effectively treat normal tension glaucoma and prevent vision loss.

How similar studies have gone: While the approach of targeting genetic factors in glaucoma is gaining traction, this specific investigation into TBK1-related NTG is relatively novel and has not been extensively tested in prior studies.

Where this research is happening

  • University of Iowa
    Iowa City, United States
    Active

Researchers

  • Principal investigator: Fingert, John H — University of Iowa
  • Study coordinator: Fingert, John H

Related research

Other NIH-funded projects on the same topics.

  • IOP and CSF Pressure in Glaucoma Risk

    This grant studies how eye pressure and cerebrospinal fluid pressure together influence glaucoma risk and vision loss.

    NIH research University of Alabama at Birmingham · Birmingham, United States · NIH-11644421

  • Comparing tube positions in glaucoma implants to protect corneal cells

    This trial compares two tube placements for glaucoma drainage implants to see which better protects corneal cells and controls eye pressure in people with uncontrolled glaucoma.

    NIH research University of California, San Francisco · San Francisco, United States · NIH-11520347

  • Automated topographic test for glaucoma detection and progression

    A new automated method uses topographic structure-function mapping to help diagnose glaucoma earlier and track its progression in patients.

    NIH research Columbia University Health Sciences · New York, United States · NIH-11516608

  • Using AI on eye scans and genes to predict glaucoma risk

    This project uses artificial intelligence on eye scans, vision tests, and genetic information to find people most likely to develop or have worsening glaucoma.

    NIH research University of Miami School of Medicine · Coral Gables, United States · NIH-11469603

  • AI-based glaucoma screening in community health centers

    A new, easy-to-use AI screening approach will be tested in federally funded health centers to help identify people at risk for glaucoma, especially in communities with higher risk.

    NIH research University of Alabama at Birmingham · Birmingham, United States · NIH-11454104

  • Understanding how glaucoma genes control eye cell function

    A long-term research project will study how genetic factors affect eye cells in adults with glaucoma to uncover new ideas for protecting vision.

    NIH research Massachusetts Eye and Ear Infirmary · Boston, United States · NIH-11450761

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.