Comparison of Silicone and Porous Plate Ahmed Glaucoma Valves

Completed · Not applicable

Conditions studied: Glaucoma

In brief

The purpose of this study is to evaluate and compare the clinical outcomes after implantation of the porous plate (polyethylene) (Model M4) Ahmed Glaucoma Valve with the silicone plate Ahmed Glaucoma Valve (Model FP7) in participants with refractory glaucoma.

Key facts

Study ID

NCT01883856

Run by

Peter Netland, MD

People needed

52

Starts

2012-02-01

Expected to finish

2018-08-27

Last updated by the study team

2020-10-19

Who can join

Age: 18 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Male or female of any race ≥ 18 years and ≤ 80 years of age.
• Diagnosis of intractable glaucoma in the study eye, with the exception of silicone oil endotamponade induced glaucoma, which has not responded to conventional medical and surgical therapy.
• Elevated intraocular pressure > 21 mmHg in the study eye. Two consecutive measurements using Goldmann Applanation Tonometry will be obtained and the mean of those two measurements will be considered the subject's baseline intraocular pressure.
• Subject is a candidate for surgery in the study eye with a glaucoma drainage device.
• Subject is willing and able to sign the informed consent.

You may not qualify if…

• Diagnosis of silicone oil endotamponade induced glaucoma in the study eye.
• History of prior drainage implant surgery in the study eye.
• History of cyclophotocoagulation of the study eye.
• Pregnancy.
• Prisoner.

Where it is running

• University of Virginia — Charlottesville, Virginia, United States

Full record on ClinicalTrials.gov

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