GlaucomaNCT01467388
Efficacy of Selective Laser Trabeculoplasty in Pseudophakic Patients
An observational study of Glaucoma and Ocular Hypertension, run by University of Zurich at 1 site in Switzerland.
Trial summary
Retrospective analysis of efficacy of selective laser trabeculoplasty in pseudophakic patients compared to phakic patients is performed. Inclusion criterion are patients with glaucoma or ocular hypertension who underwent treatment with selective laser trabeculoplasty due to insufficient control of intraocular pressure… Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Glaucoma, Ocular Hypertension
- What is being tested?
- selective laser trabeculoplasty (SLT)
- Type of treatment
- Surgery or procedure
- How many people
- 200 participants
- Where
- 1 siteSwitzerland
- Study dates
- Nov 2011to Dec 2015
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Study population: glaucoma patients
Who may be able to join
- Patients with glaucoma or ocular hypertension who underwent selective laser trabeculoplasty.
Who cannot join
- Optic neuropathy other than glaucoma
Trial locations and contacts
1 site in 1 country.
Switzerland1 site
University Hospital Zurich, Ophthalmic Clinic
Zurich, Canton of Zurich, 8091
About this study
Retrospective analysis of efficacy of selective laser trabeculoplasty in pseudophakic patients compared to phakic patients is performed.
Inclusion criterion are patients with glaucoma or ocular hypertension who underwent treatment with selective laser trabeculoplasty due to insufficient control of intraocular pressure during their routine treatment at the University Hospital Zurich / Division of Ophthalmology.
- Conditions
- Glaucoma, Ocular Hypertension
- Being tested
- selective laser trabeculoplasty (SLT)
- Keywords
- patients with glaucoma or ocular hypertension
- Medical subject headings
- Glaucoma, Ocular Hypertension
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
selective laser trabeculoplasty (SLT)Procedure or surgery
Also called SLT-Laser, Tango Laser, Ellex Medical Pty. Ltd., 82 Gilbert Street, Adelaide, SA 5000 Australia
trabeculoplasty with an SLT-Laser to reduce intraocular pressure
| Study group | Role | What they receive |
|---|---|---|
| phacic | Study patients who still have their own ocular lens Receives: Procedure: selective laser trabeculoplasty (SLT) | |
| pseudophacic | Study patients who have an intraocular lens after cataract surgery Receives: Procedure: selective laser trabeculoplasty (SLT) |
What is being measured
The primary outcome is the main question the study is designed to answer.
IOP
Measured: t0
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted8 Nov 2011 (estimated)
- Study startNov 2011
- Primary completionDec 2015 (estimated)
- Study completionDec 2015 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for GlaucomaStudies of the same condition, open and under way.
- More trials run by University of ZurichThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case-control
- Time perspective
- Retrospective
- Enrolment
- 200 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University of Zurich
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- 01 Studienregister MasterAdmins, Study director, UniversitaetsSpital ZuerichJens Funk, Professor, MD, Principal investigator, University Hospital Zurich, Ophtalmic Clinic
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01467388
- Sponsor's protocol ID
- SLT-Pseudophakic-201
- Status last verified
- Dec 2014
- First submitted
- 3 Nov 2011
- Last updated
- 6 Jan 2015
- Results posted
- No
Study at a glance
From the registry record, last updated by the sponsor on 6 Jan 2015. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Efficacy of Selective Laser Trabeculoplasty in Pseudophakic Patients
- ClinicalTrials.gov ID
- NCT01467388
- Acronym / sponsor ID
- SLT-Pseudophakic-201
- Conditions
- Glaucoma, Ocular Hypertension
- Keywords
- patients with glaucoma or ocular hypertension
- Study type
- Observational
- Recruitment status
- Unknown status
- Enrolment
- 200 participants (estimated)
- Lead sponsor
- University of ZurichUniversity, hospital or other
- Study start
- Nov 2011
- Primary completion
- Dec 2015 (estimated)
- Study completion
- Dec 2015 (estimated)
- First posted
- 8 Nov 2011 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Retrospective analysis of efficacy of selective laser trabeculoplasty in pseudophakic patients compared to phakic patients is performed.
Inclusion criterion are patients with glaucoma or ocular hypertension who underwent treatment with selective laser trabeculoplasty due to insufficient control of intraocular pressure during their routine treatment at the University Hospital Zurich / Division of Ophthalmology.
Study design
- Observational model
- Case-control
- Time perspective
- Retrospective
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| phacic | – | Procedure: selective laser trabeculoplasty (SLT)Study patients who still have their own ocular lens |
| pseudophacic | – | Procedure: selective laser trabeculoplasty (SLT)Study patients who have an intraocular lens after cataract surgery |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
- Study population
- glaucoma patients
Key inclusion criteria (1 listed)
- Patients with glaucoma or ocular hypertension who underwent selective laser trabeculoplasty.
Key exclusion criteria (1 listed)
- Optic neuropathy other than glaucoma
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| selective laser trabeculoplasty (SLT)Also: SLT-Laser, Tango Laser, Ellex Medical Pty. Ltd., 82 Gilbert Street, Adelaide, SA 5000 Australiatrabeculoplasty with an SLT-Laser to reduce intraocular pressure | Procedure or surgery | phacic, pseudophacic |
Primary outcome
IOP
Time frame: t0
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 6 Jan 2015.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
01 Studienregister MasterAdmins study director
UniversitaetsSpital Zuerich
Jens Funk, Professor, MD principal investigator
University Hospital Zurich, Ophtalmic Clinic
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Glaucoma and Ocular Hypertension, run by University of Zurich at 1 site in Switzerland.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 1 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: status not confirmed, as of the sponsor's last update on 6 Jan 2015. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Switzerland. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
IOP (time frame: t0). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Jan 2015.