ArticleClinical ophthalmology (Auckland, N.Z.)2023
New XEN63 Gel Stent Implantation in Open-Angle Glaucoma: A Two-Year Follow-Up Pilot Study.
Article in Clinical ophthalmology (Auckland, N.Z.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 5 citations in OpenAlex.
- Two-years efficacy and safety of bleb forming devices in uncontrolled glaucoma.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2026Article
- Three-Year Outcomes and Safety of the XEN63 Gel Stent: A Multicenter Prospective Study in Primary Open-Angle Glaucoma.Journal of clinical medicine · 2026Article
- Update on XEN Gel Stent: A Narrative Review on Indications, Surgical Technique, and Postoperative Management.Ophthalmology and therapy · 2026Review
- XEN63 Gel Stent in Glaucoma: Narrative Review and Expert Perspectives on Patient Selection, Surgical Technique, and Perioperative Management.Clinical ophthalmology (Auckland, N.Z.) · 2026Article
- Efficacy and Safety of Ab Externo Open Conjunctiva XENJournal of clinical medicine · 2025Article
- Efficacy and Safety of XEN63 Gel Stent Implant over 6 Months for Treatment of Glaucoma.Journal of clinical medicine · 2025Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Purpose: The XEN gel stent was developed to reduce the risks of filtration surgery by standardizing the outflow of aqueous humor into the subconjunctival space. Recently, a modified version of the XEN63 gel stent was introduced. The goal of this study was to assess its efficacy and safety. Methods: This is a prospective, nonrandomized, observational, consecutive case series study at a single tertiary centre. Patients with open-angle glaucoma with above target intraocular pressure (IOP) despite maximal tolerated medication were included. The primary outcome was a change of median IOP. Secondary outcomes included a change in the number of medications, complete success, needling and complication rates. Success was defined as a lowering of IOP > 20% from baseline and IOP ≤ 14 mmHg. Complete success indicated that the target IOP was reached without medications. Results: Six patients were included. The median IOP decreased from 35.5 mmHg (25.0-40.0 mmHg) at baseline to 11.5 mmHg (4.0-15.0 mmHg, p = 0.03), and median IOP-lowering medication was reduced from 4.0 (3.0-4.0) at baseline to 0 (0-1.0, p = 0.03) after two years. Five patients (83.0%) had a complete success after two years. Two patients (33.0%) required a needling procedure. Three patients (50.0%) required an intervention due to symptomatic hypotony within the first three weeks postoperatively. Hypotony resolved completely or was asymptomatic after three months. Conclusion: Our study demonstrated a statistically significant reduction in both IOP and number of IOP-lowering medications. Complications were well manageable and had no long-term sequelae.
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