Actively Recruiting

Age: 18Years +
All Genders
ID07076303

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

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

60

Participants Needed

1

Research Sites

17 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This research aims to evaluate the use of Direct Selective Laser Trabeculoplasty (DSLT) in adults newly diagnosed with primary open-angle glaucoma or similar conditions such as ocular hypertension. The study focuses on untreated patients to understand how well DSLT reduces intraocular pressure (IOP) without requiring medications. It addresses the current need for alternatives to medications, which can be difficult to use due to side effects and adherence challenges. Participants will receive the DSLT procedure, which involves delivering 120 laser shots at the eye's limbus over 2.4 seconds to help control aqueous fluid outflow and lower IOP. The study measures the reduction in IOP at 1, 3, and 6 months, with the primary goal of achieving more than a 20% decrease without medications. Only patients with baseline IOPs above 21 mmHg and no prior glaucoma treatments will be included. During the study, participants will undergo regular eye pressure assessments to track treatment effects and determine the need for additional interventions. Researchers will monitor the percentage of eyes reaching the target IOP reduction and record any secondary treatments required. The total follow-up period for assessing outcomes is 6 months, ensuring a clear understanding of DSLT's impact on early-stage glaucoma management.

CONDITIONS

Brief 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 conditions like ocular hypertension
  • No previous glaucoma treatments or surgeries
  • Baseline intraocular pressure greater than 21 mmHg
  • Able to provide informed consent
Not Eligible

You will not qualify if you...

  • Previous glaucoma surgeries, laser treatments, or long-term medication use
  • Secondary glaucoma types such as angle-closure or neovascular glaucoma
  • Other significant eye diseases like advanced cataracts or retinal disorders
  • Inability to keep head and eyes steady during examination
  • Pupil unable to constrict to 4 mm or less

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Implementation

Duration - 1 day

Participants undergo the Direct Selective Laser Trabeculoplasty (DSLT) procedure to reduce intraocular pressure without medications.

1 procedure visit (in-person)

Long-term Monitoring

Duration - 6 months

Participants are monitored for intraocular pressure reduction and any secondary interventions over 6 months following the procedure.

Visits at 1 month, 3 months, and 6 months (in-person)

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