Evaluating the XEN45 Glaucoma Treatment System for Open-Angle Glaucoma in Adults

A Postmarketing Study Evaluating the Effectiveness and Safety of the XEN45 Glaucoma Treatment System in Subjects With Open-Angle Glaucoma in China

Phase 4 Interventional AbbVie · NCT05821855

This study is testing if the XEN45 Glaucoma Treatment System can safely help adults with open-angle glaucoma who haven't had success with other treatments, comparing it to a traditional surgery.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment130 (estimated)
Ages18 Years and up
SexAll
SponsorAbbVie Industry-sponsored
Locations12 sites (Beijing, Beijing and 11 other locations)
Trial IDNCT05821855 on ClinicalTrials.gov

What this trial studies

This study aims to evaluate the safety and effectiveness of the XEN45 Glaucoma Treatment System in adults with open-angle glaucoma (OAG) who have not responded well to other treatments. Participants will be randomly assigned to receive either the XEN45 implant or undergo trabeculectomy, a traditional surgical procedure. The study will monitor adverse events and changes in disease activity over a period of 60 months across approximately 15 sites in China. The goal is to determine the long-term outcomes of the XEN45 system compared to standard surgical options.

Who should consider this trial

Good fit: Ideal candidates are adults diagnosed with open-angle glaucoma who have not achieved satisfactory results with medications or are unsuitable for traditional surgical options.

Not a fit: Patients with active neovascular, uveitic, or angle-recession glaucoma, or those who have had prior surgeries affecting the study eye may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a safer and more effective option for managing intraocular pressure in patients with open-angle glaucoma.

How similar studies have performed: Other studies have shown promising results with similar glaucoma treatment devices, indicating potential for success with the XEN45 system.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Area of healthy, free, and mobile conjunctiva in the target area in the study eye, i.e., superior bulbar conjunctiva.
* Visible trabecular meshwork with Shaffer angle grade =\> 3 in the study eye at the Screening Visit.
* IOP =\> 20 mm Hg and \<= 44 mm Hg for the study eye, measured by Goldmann applanation tonometer, at the Screening Visit and Baseline Visit.

Exclusion Criteria:

* Active neovascular, uveitic, or angle-recession glaucoma or any glaucoma-associated vascular disorders within 6 months of the Screening Visit in the study eye.
* Prior XEN45, transscleral cycloablative procedures (such as cyclophotocoagulation, micropulse cyclophotocoagulation, cryotherapy, ultrasonic circular cyclocoagulation \[UC3\], etc.) or prior major conjunctival surgery (i.e., scleral buckle) in the study eye.

Where this trial is running

Beijing, Beijing and 11 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Open-angle GlaucomaOAGOpen-angle glaucomaXEN45Intraocular pressureIOP
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.