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A Prospective, Multicenter Clinical Study to Evaluate the Safety and Effectiveness of Gel Stent XEN63 Implantation Using Ab Interno and Ab Externo Approaches in Subjects With Glaucoma
Led by AbbVie · Updated on 2026-06-01
130
Participants Needed
24
Research Sites
N/A
Total Duration
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AI-Summary
What this Trial Is About
Glaucoma is the second most common cause of blindness worldwide, after cataracts. This research evaluates the safety and effectiveness of the XEN63 gel stent implanted using two surgical methods ab interno inside the eye and ab externo outside the eye. The study focuses on measuring eye pressure and monitoring any adverse events in adults with glaucoma that is uncontrolled by medication or previous surgeries. Participants will receive the XEN63 gel stent implanted on Day 1, either through the ab interno or ab externo approach, depending on their assigned group. Each participant will be followed for 12 months to observe how well the device controls their intraocular pressure and to track any side effects. This study is conducted at multiple sites across the United States. During the study, participants will attend regular visits at a hospital or clinic where medical assessments and eye examinations will be performed to monitor the gel stents effect on glaucoma. Researchers will measure the percentage of participants achieving at least a 20 reduction in eye pressure while using the same or fewer medications, as well as record any adverse events over the 12-month period.
CONDITIONS
Brief Title
A Study to Assess Adverse Events and Effectiveness of Gel Stent (XEN63) Implantation Using Ab Interno and Ab Externo Approaches in Adult Participants With Glaucoma
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Participants must be 45 years of age or older
- Diagnosis of glaucoma in the study eye
- Glaucoma uncontrolled by maximal medical therapy (four or more classes of eye pressure-lowering medications) or unable to tolerate certain medications
- Failed one or more previous glaucoma surgeries (e.g., filtering surgery, tube shunt)
- For non-refractory glaucoma (uncontrolled by medication only), a maximum of 10 participants per cohort can be enrolled
You will not qualify if you...
- History of angle-closure glaucoma without surgical opening in the study eye
- History of secondary open-angle glaucoma types (e.g., neovascular, pigmentary, pseudoexfoliative, uveitic, angle recession/traumatic glaucoma) in the study eye
- Active inflammation in the study eye (e.g., blepharitis, conjunctivitis, keratitis, uveitis)
Research Team
A
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