Testing late ripcord removal from glaucoma drainage devices
Tests removing a ripcord from glaucoma drainage devices in adults with glaucoma.
Plain-language title generated from the registry record
Registry title: Effect of Late Ripcord Removal From Glaucoma Drainage Device
Key facts
- Where
- Durham, United StatesSee the site
Where in United States
- Duke University Eye CenterDurham, United StatesTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Trial details
- Who runs it
- Duke University
- Trial code
- NCT07803536
- Record updated
- 9 November 2026
- Original description
This is a research study to find out if removing the ripcord from a glaucoma drainage device more than 3 months after it has been placed has any effect on intraocular pressure. Participation in research studies is voluntary.Read full original descriptionShow less
Prospective, Single-arm Interventional Study to Determine Effect of Late Ripcord Removal From Glaucoma Drainage Device
This is a research study to find out if removing the ripcord from a glaucoma drainage device more than 3 months after it has been placed has any effect on intraocular pressure. Participation in research studies is voluntary.
The ripcord will be removed at a routine glaucoma care visit and intraocular pressure will be measured before removal, 30 minutes following, and at 1 week, 6 weeks and 3-month intervals during regular clinic visits.
Inclusion: Age > 18 years; Placement of Ahmed Clear Path or Baervelt drainage device with ripcord > 3 months; Diagnosis of Glaucoma, under active management at Duke Eye Center Glaucoma Clinic; Ripcord suture still in place and accessible for removal; Able to provide written informed consent; IOP > 10 mm Hg.
Exclusion: Scheduled for further glaucoma surgery; Active ocular infection or conjunctivitis in either eye; Inability to undergo ripcord removal procedure.