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Direct Application of Selective Laser Trabeculoplasty in Open Angle Glaucoma

Direct Application of Selective Laser Trabeculoplasty in Open Angle Glaucoma . Single Site Study

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01383525
Enrollment
15
Registered
2011-06-28
Start date
2011-07-31
Completion date
2019-11-30
Last updated
2020-02-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Glaucoma

Keywords

non contact, Trabeculoplasty, Laser, intraocular pressure, SLT, LTP, DSLT

Brief summary

The trial objectives are to establish the safety & efficacy of using a DLTP laser to perform laser trabeculoplasty to reduce Intraocular Pressure (IOP) in patients with open angle glaucoma (Including Pigmentary & Exfoliative Glaucoma), that did not achieve adequate IOP control by conventional therapy.

Detailed description

This is a single site outpatient feasibility study assessing the safety & efficacy of the DLTP laser in the ability to reduce IOP in patients with open angle glaucoma (OAG). The investigational site will accrue patients with uncontrolled OAG. These eyes will be treated with the direct application of Direct Laser Trabeculoplasty (DLTP)/ Direct Selective Laser Trabeculoplasty automated device (DSLT). Only one eye per patient is to be treated with the investigational device during the study. The laser parameters used will be like these used in the Selective trabeculoplasty (SLT) device (CE/FDA approved), but all laser beams will be applied in about one-second, through the peri-limbal. Subjects will be evaluated preoperatively and postoperatively at 1 hour, 2 hours (and hourly to 4 hours in the event of an IOP elevation in the immediate postop course), 1 day, 1 week, and 1, 3, 6 months. Patients will be followed out to 6 months.

Interventions

DEVICEDirect Selective Trabeculoplasty device

Patients will be treated with a Direct Selective Trabeculoplasty (DLTP) laser. Placement of the spots is on the sclera around the limbus.

Sponsors

Horizon 2020 - European Commission
CollaboratorOTHER
BelkinVision
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Masking description

No masking for treatment. The follow-up and primary endpoint assessment, intra-ocular pressure (IOP) measurement, is performed by masked ophthalmologist.

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patient is aged 18 years or older, with 2 sighted eyes. * Eye to be treated have average IOP \*22 mmHg, measured at 2 pretreatment visits. * Eye to be treated either exhibits: * poorly controlled open angle glaucoma including Pigmentary & Exfoliative Glaucoma * Patient would be considered eligible for conventional laser trabeculoplasty. * Patient is willing to participate in the 6-month study and to adhere to the follow-up schedule. * Patient is willing to review and sign a consent form.

Exclusion criteria

* evidence of glaucoma other than open-angle glaucoma; * severe para-central or generalized field defect; * Any ocular condition that precluded adequate visualization and treatment of the trabecular meshwork. * Prior glaucoma surgery other than laser trabeculoplasty or peripheral iridotomy. * Patient has mental impairment such that he/she could not understand the protocol or is not in a position to provide written informed consent. * Patient is pregnant. * Patient might require other ocular surgery within the 6-month follow-up period. * Patient has a medical history that suggested the potential for complications from Direct Selective Trabeculoplasty (DSLT) * Having concurrent treatment with systemic steroids. * Patient is under 18 years old

Design outcomes

Primary

MeasureTime frameDescription
Reduction of Intra-Ocular pressure1,3 monthPercentage reduction of intra-ocular pressure following the non contact selective laser trabeculoplasty treatment

Secondary

MeasureTime frameDescription
Reduction of Intra-Ocular pressure6 monthsPercentage reduction of intra-ocular pressure following the non contact selective laser trabeculoplasty treatment

Other

MeasureTime frameDescription
Number of medications6 monthsNumber of medications after treatment, as compared to before treatment.
Physician perception of the usability of the system.1 monthPhysician perception of the usability of the system.

Countries

Israel

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026