Clinical trial Recruiting at 1 site Observational Ages 21 to 105

Investigating genetic factors in different types of glaucoma

Official title: Investigating the Genetic Basis of Pseudoexfoliation Syndrome, Angle-closure Glaucoma and Primary Open-angle Glaucoma

Run by Medical University of Vienna · NCT03423758 · Data updated 2026-11-12

This study is trying to find out if certain genes are linked to different types of glaucoma by looking at blood samples from patients with these conditions and healthy people.

Quick facts

Study typeObservational
Ages21 Years to 105 Years
SexAll
Enrollment300 (estimated)
SponsorMedical University of Vienna
Academic / other
Locations1 site (Vienna)
StatusRecruiting
StartedMay 30, 2017
Main results expectedJanuary 30, 2026
Study endsJanuary 30, 2026
Registry record updatedMay 23, 2025
Trial IDNCT03423758 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals aged 21 and older with confirmed diagnoses of PXF, PACG, or POAG, as well as healthy controls over 60 years old.

Probably not a fit

Patients without any form of glaucoma or significant ocular diseases may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study aims to identify genetic risk factors associated with pseudoexfoliation syndrome (PXF), primary angle closure glaucoma (PACG), and primary open-angle glaucoma (POAG) using a whole genome association approach. By analyzing blood samples from patients with these conditions and healthy controls, the study seeks to uncover susceptibility genes that may play a role in the development of glaucoma. The findings could enhance understanding of ocular development and lead to improved diagnostic and prognostic tools for these glaucoma types.

Why it matters

Potential benefit: If successful, this research could lead to better diagnostic tests and treatment strategies for glaucoma patients.

How similar studies have gone: Previous studies have shown promise in identifying genetic factors related to glaucoma, suggesting that this approach may yield valuable insights.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. For patients with PXF:

   * Patients with confirmed pseudoexfoliation syndrome (exfoliation glaucoma / pseudoexfoliation of the lens) in the medical history
   * Informed consent
   * Age 50 years or more
2. For patients with PACG:

   * Patients with confirmed acute primary angle closure (PAC) or primary angle closure glaucoma (PACG) in the medical history
   * Informed consent
   * Age 21 years or more
3. For healthy controls:

   * No evidence of PXF, glaucoma or uveitis during clinical examination or in the medical history
   * No evidence of major ocular disease such as diabetic retinopathy, age related macular degeneration or conditions with genetic background during clinical examination or in the medical history
   * Age more than 60 years
   * Informed consent
4. For patients with POAG:

   * Patients with confirmed primary open angle glaucoma (POAG)
   * No evidence of exfoliation glaucoma / pseudoexfoliation of the lens or pigment glaucoma
   * Informed consent
   * Age 30 or more

Exclusion Criteria:

* Patients and subjects will be excluded if one or more of the following criteria apply:
* Neovascular glaucoma
* Active or history of uveitis
* Secondary angle closure such as neovascular glaucoma or uveitis/inflammatory eye disease
* Inability to give informed consent

Where it's running

  • Department of Clinical Pharmacology, Medical University of Vienna
    Vienna, Austria
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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.