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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT06833060
Registration number
NCT06833060
Ethics application status
Date submitted
12/02/2025
Date registered
18/02/2025
Date last updated
26/06/2025
Titles & IDs
Public title
Transscleral Selective Laser Trabeculoplasty Project
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Scientific title
Exploratory Clinical Study of a Laser-OCT Integrated System With Eye Tracking to Treat Glaucoma and OHT With Transscleral Selective Laser Trabeculoplasty Technology A Pilot Study
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Secondary ID [1]
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TSLT-001-2023
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Universal Trial Number (UTN)
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Trial acronym
TSLT project
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Glaucoma,Open-Angle
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Ocular Hypertension (OH)
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Condition category
Condition code
Eye
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Diseases / disorders of the eye
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - Selective Laser Trabeculoplasty
Experimental: Transscleral Selective Laser trabeculoplasty treatment - The Glaucoma or Ocular Hypertension participants will be treated using Transscleral Selective Trabeculoplasty laser device.
Treatment: Devices: Selective Laser Trabeculoplasty
Treatment of Glaucoma or Ocular Hypertension participants using Transscleral Selective Laser Trabeculoplasty
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Intervention code [1]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Frequency of Treatment-Related Adverse Events
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Assessment method [1]
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Timepoint [1]
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From treatment to 30 days after
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Primary outcome [2]
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Intensity of Treatment-Related Adverse Events
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Assessment method [2]
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Timepoint [2]
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From treatment to 30 days after
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Secondary outcome [1]
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Ability of the TSLT device to decrease the patient's Intraocular pressure
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Assessment method [1]
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IOP reduction after TSLT treatment will be compared to the 20% threshold efficacy point as defined in the SLT literature
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Timepoint [1]
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30 days after treatment
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Secondary outcome [2]
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Benchmark with the available Direct Selective Laser Trabecuplasty studies data
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Assessment method [2]
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Timepoint [2]
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30 days after treatment
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Secondary outcome [3]
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Trabecular meshwork targeting
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Assessment method [3]
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Demonstration of the right targeting of the trabecular meshwork by the device using OCT images.
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Timepoint [3]
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Day of treatment
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Secondary outcome [4]
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Usability assessment
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Assessment method [4]
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Evaluation of how easily users can interact with the device and how this device can improve the treatment delivery (questionnaire)
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Timepoint [4]
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Day of treatment
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Eligibility
Key inclusion criteria
* Age 18 years or older with OAG or OHT who are clinical candidates for routine SLT.
* Mild to moderate OAG (defined as a mean deviation on the Humhprey Field Analyzer [HFA] > -12.0 dB), resulting from primary open-angle glaucoma (POAG), or pseudoexfoliative glaucoma
* OHT with open angles warranting IOP-lowering treatment
* IOP = 22mmHg or = 35mmHg (after washout of any IOP-lowering medications)
* Gonioscopically visible scleral spur for 360 degrees without indentation
* Ability to visualize the peri-limbal sclera for 360 degrees (using a manual elevation of the lid)
* Willing and able to participate in the 60 days +/-5 days study, to comply with the study procedures and to adhere to the follow-up schedule.
* Participant capable of giving informed consent
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Contraindications to conventional SLT (e.g. corneal abnormalities etc.)
* Angle Closure Glaucoma
* Congenital or developmental glaucoma
* Secondary glaucoma included pigmentary glaucoma
* Inability to conduct a reliable visual field (defined as fixation losses, false positives or false negatives greater than 33%)
* Presence of any peripheral anterior synechiae (PAS) in the study eye
* Any of the following visual field findings using the Humphrey visual field analyzer:
* A HFA MD of worse than -12dB
* Greater than or equal to 75% of points depressed below the 5% level and greater than or equal to 50% of points depressed below the 1% level on the PD plot
* At least 50% of points (i.e., 2 or more) within the central 5 degrees with a sensitivity =0dB on the decibel plot
* Points within the central 5 degrees of fixation with a sensitivity <15 dB in both hemifields on the decibel plot
* A visual field MD of worse than -12dB in the fellow eye
* Cup: Disc Ratio more than 0.8
* More than two hypotensive medications required (combination drops are considered 2 medications)
* Prior incisional or laser glaucoma surgery (including previous SLT) in the study eye
* Prior corneal refractive surgery
* Complicated cataract surgery = 6 months prior to enrollment
* Presence of visually significant cataract in the opinion of the investigator
* Clinically significant disease in either eye as determined by the Investigator
* Clinically significant amblyopia in either eye
* Dense pigmentation or hemorrhage in the peri-limbal conjunctiva or anterior sclera, Pigmented Pinguecula and Pterigium
* Women who are pregnant or may become pregnant during the course of the study
* In the opinion of the investigator the participant might require other ocular surgery within the 12-months, unless for further reduction of their IOP.
* Concurrent treatment with topical, nasal, inhaled or systemic steroids.
* Uncontrolled systemic disease that could impact the ability of the participant to attend follow up visits as per the discretion of the investigator
* Participation in another clinical study
* Protected or vulnerable subjects (including but not limited to people with impaired intellectual functioning or mental illness, prisoners, terminally ill subjects, immunocompromised...)
* People not able to read and understand the informed consent
* People not able to read and understand English language
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Study design
Purpose of the study
Other
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Allocation to intervention
Not applicable
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Not applicable
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
19/06/2025
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/11/2025
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Actual
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Sample size
Target
15
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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Central Adelaide Local Health Network - Royal Adelaide Hospital - Adelaide
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Recruitment postcode(s) [1]
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5000 - Adelaide
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Lumibird Medical (Quantel Medical, Ellex Medical, Optotek)
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Address
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Country
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Other collaborator category [1]
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Commercial sector/industry
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Name [1]
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Quantel Medical
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Address [1]
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Country [1]
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this clinical trial is to determine how safe and effective (how well it works) the ELLEX TSLT device is for the treatment of Glaucoma and Ocular Hypertension using Transscleral Selective Laser Trabeculoplasty. Selective Laser Trabeculoplasty (SLT) is a type of laser therapy that uses short pulses of low-energy light to lower eye pressure. This treatment uses a lens in contact with the front part of the eye (called cornea) which may lead to complications. Transscleral Selective Laser Trabeculoplasty allows the doctor to perform the laser treatment without the lens coming into contact with the cornea, potentially offering a simpler, quicker and safer approach for both participants and doctors. Participants will be required to attend four study visits. The first visit will assess the disease, the second will involve the TSLT laser treatment for the participant's condition (glaucoma or ocular hypertension), and the final two visits, at 1 day and 30 days post-treatment, will evaluate the treatment's efficacy and the procedure's safety.
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Trial website
https://clinicaltrials.gov/study/NCT06833060
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Robert J. CASSON, MBBS (Hons), M.Biostat, DPhil
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Address
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Royal Adelaide Hospital - Harley Eye Clinic
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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HILAIRE
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Address
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Country
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Phone
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473745745
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT06833060
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