NIH-funded research NIH-funded research

Tissue plasminogen activator for improving eye fluid drainage in glaucoma

Official title: Tissue plasminogen activator for the treatment of glaucoma

Funded at VA New York Harbor Hlthcare/sys/brooklyn · NIH-11329435 · Data updated 2026-11-12

A patient-focused look at using tPA to help drain fluid from the eye and lower pressure in open-angle glaucoma.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionVA New York Harbor Hlthcare/sys/brooklyn
NIH-funded
Lab location1 site (Brooklyn, United States)
Project startMay 1, 2023
Project endApril 30, 2027
Funding year2026
NIH project number5I01RX004255-04
Project IDNIH-11329435 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are individuals with open-angle glaucoma or those at high risk due to elevated eye pressure, under regular ophthalmologic care.

Less likely to help

Patients with glaucoma variants not responsive to therapies aimed at drainage facility or with contraindications to intravitreal or ocular interventions may not benefit.

What this research studies

This project explores whether the protein tPA can safely help the eye’s drainage system work better and reduce eye pressure in open-angle glaucoma. Researchers will study how tPA and a variant called EI-tPA affect the outflow tissues and long-term safety in relevant models, aiming to translate findings toward safer treatments for people with glaucoma. The work builds on prior observations that tPA levels relate to outflow problems and that supplementing tPA can improve drainage and pressure in animal models. By understanding the molecular pathways involved, the study hopes to identify a new therapeutic approach that targets the eye’s drainage tissues directly. The ultimate goal is to offer a long-term, effective option that preserves vision for patients affected by glaucoma.

Why it matters

Potential benefit: If successful, this research could lead to a new treatment that enhances fluid drainage from the eye and lowers risk of vision loss in open-angle glaucoma.

How similar studies have gone: Prior studies in animal models suggest that tPA can improve outflow and lower eye pressure, supporting potential translational value.

Where this research is happening

  • VA New York Harbor Hlthcare/sys/brooklyn
    Brooklyn, United States
    Active

Researchers

  • Principal investigator: Danias, John — VA New York Harbor Hlthcare/sys/brooklyn
  • Study coordinator: Danias, John

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.