Replacing damaged retinal nerve cells to help people with glaucoma

Overcoming Barriers to retinal ganglion cell replacement in experimental glaucoma

NIH-funded research Indiana University Indianapolis · NIH-11146737

Researchers are trying new ways to transplant lab-grown retinal nerve cells into damaged eyes to help people with glaucoma and other optic nerve conditions.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionIndiana University Indianapolis NIH-funded
Lab location1 site (Indianapolis, United States)
Project IDNIH-11146737 on NIH RePORTER

What this research studies

This project uses lab-grown human retinal ganglion cells (made from induced pluripotent stem cells) and transplants them into an established experimental model of glaucoma to learn how to make the cells survive and work. The team studies both changes to the donor cells and changes to the damaged eye to overcome barriers like cell survival, axon growth, and reconnecting to the brain. Most work is done in the laboratory using an animal model that mimics human glaucoma, building on prior success with initial transplants. The goal is to solve the technical obstacles that currently prevent retinal cell replacement from restoring vision.

Who could benefit from this research

Good fit: People with significant vision loss due to glaucoma or other optic nerve diseases caused by retinal ganglion cell loss would be the eventual candidates for related treatments.

Not a fit: People whose vision loss comes from retinal diseases that do not primarily involve retinal ganglion cell loss, or from advanced widespread retinal damage, may not benefit from this approach.

Why it matters

Potential benefit: If successful, this work could enable therapies that replace lost retinal ganglion cells and restore some vision for people blinded by glaucoma or other optic neuropathies.

How similar studies have performed: Related preclinical work has shown promise for transplanting retinal cells in animals, but long-term integration and restoration of vision in humans remains unproven.

Where this research is happening

Indianapolis, 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.