TerminatedNot Applicable

Changes of the Peripapillary Retinal Nerve Fiber Layer After Filtration Surgery in Glaucoma Patients

Stopped: short of study staff

Germany12 participantsStarted 2011-11

Plain-language summary

At present, trabeculectomy is the most common performed and effective surgical method of filtration surgery for patients with medically uncontrolled glaucoma. The aim of this prospective observational case study is to determine changes of the peripapillary retinal nerve fiber layer thickness using spectral domain optical coherence tomography in patients with glaucoma after surgical reduction of intraocular pressure.

Who can participate

Age range

18 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * primary or secondary open angle glaucoma * target intraocular pressure under medical treatment was not reached * progression of visual loss * best corrected visual acuity of 20/100 or more * spherical equivalent refraction of -8.0 to +4.0 D * perimetry: less than 20% false positive answers Exclusion Criteria: * primary or secondary angle closure glaucoma * congenital glaucoma * normal tension glaucoma * neovascular glaucoma

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

change of retinal nerve fiber layer thickness

Timeframe: 6 months

Trial details

NCT IDNCT01422525

SponsorUniversity Eye Hospital, Würzburg

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2012-02

View on ClinicalTrials.gov More Nerve Fiber Bundle Defect trials