Actively Recruiting

Age: 18Years +
All Genders
ID07076303

Study of Direct Selective Laser Trabeculoplasty (DSLT) for Reducing Eye Pressure Without Medications in Newly Diagnosed Glaucoma Patients

Led by Brian Shafer · Updated on 2025-07-22

60

Participants Needed

1

Research Sites

1264 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating the use of Direct Selective Laser Trabeculoplasty (DSLT) to reduce intraocular pressure (IOP) in adults newly diagnosed with primary open-angle glaucoma or similar early-stage glaucomatous conditions, who have not previously received treatment. This study addresses a gap in current research by focusing on treatment-naive patients, aiming to determine if DSLT can provide significant IOP reduction without the need for medications, potentially improving adherence and quality of life. The trial explores whether DSLT can offer a surgical alternative to standard medication-based care for early glaucoma management. Participants will receive the DSLT procedure, which involves applying 120 laser shots at the eye's limbus using a spot size of 400 micrometers and energy between 1.4 to 1.8 millijoules over 2.4 seconds. This procedure is designed to facilitate controlled aqueous outflow to lower IOP. The study measures the percent reduction in IOP from baseline at six months post-procedure to assess effectiveness. During the study, participants will be closely monitored to measure the change in intraocular pressure at six months after treatment. Researchers will evaluate the safety and efficacy of DSLT without the use of postoperative medications. The total involvement includes initial screening, the laser procedure, and follow-up assessments to track IOP changes and any potential side effects over the six-month period.

CONDITIONS

Official Title

A Prospective Study on the Efficacy of Direct Selective Laser Trabeculoplasty (DSLT) in Achieving >20% Intraocular Pressure (IOP) Reduction Without Medications at 6 Months in Naive, Untreated Glaucoma Patients

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Adults aged 18 years or older
  • Newly diagnosed with primary open-angle glaucoma or similar untreated early-stage glaucomatous conditions such as ocular hypertension, pigment dispersion syndrome/glaucoma, or pseudoexfoliation
  • No prior treatment with glaucoma medications or surgeries
Not Eligible

You will not qualify if you...

  • Previous glaucoma surgeries or laser treatments
  • Use of long-term glaucoma medications prior to study
  • Diagnosis of secondary glaucoma types such as angle-closure or neovascular glaucoma
  • Significant eye conditions including advanced cataracts, retinal diseases, or other conditions affecting IOP measurement or visual function
  • Inability to maintain stable head or eye position during procedures due to tremors, nystagmus, or similar conditions
  • Pupil unable to constrict to 4 mm or less in diameter

AI-Screening

AI-Powered Screening

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Trial Site Locations

Total: 1 location

1

Shafer Vision Institute

Plymouth Meeting, Pennsylvania, United States, 19462

Actively Recruiting

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Research Team

B

Brian Shafer, MD

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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Published Research Related To This Trial

Direct selective laser trabeculoplasty in open angle glaucoma study design: a multicentre, randomised, controlled, investigator-masked trial (GLAUrious).

Nathan Congdon, Augusto Azuara-Blanco, Yoram Solberg...

https://pubmed.ncbi.nlm.nih.gov/34433548