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Study to Assess Change in Disease Activity and Adverse Events of Ab Externo Approach for Glaucoma Gel Stent (XEN45) Implantation In Participants Aged 45 Years or Older With Open-Angle Glaucoma

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AbbVie

Status and phase

Enrolling
Phase 3

Conditions

Open-Angle Glaucoma

Treatments

Device: XEN45 (Glaucoma Gel Stent)

Study type

Interventional

Funder types

Industry

Identifiers

NCT05411198
1924-703-007

Details and patient eligibility

About

Glaucoma is the second most common cause of blindness in the world, second only to cataracts. This study will assess how safe and effective a glaucoma gel stent is when implanted using the ab externo approach. Adverse events and intraocular pressure will be assessed.

XEN45 is an approved device for the treatment of glaucoma implanted using the ab interno approach (inside the eye). XEN45 implanted using the ab externo approach (outside the eye) is being studied in this study. Approximately 65 participants aged 45 years or older with open-angle glaucoma will be enrolled in this study at approximately 22 sites in the United States.

All participants will receive XEN45 implanted using the ab externo approach on Day 1 and will be followed for 12 months.

Participants will attend regular visits during the study at a hospital or clinic. The safety and effect of the gel stent on your glaucoma will be checked by medical assessments and eye examinations.

Enrollment

65 estimated patients

Sex

All

Ages

45+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria:

  • Glaucoma in the study eye.

    1. Study eye diagnosed with open-angle glaucoma uncontrolled by medical therapy

    2. Study eye that meet at least one of the following criteria:

      • Failed one or more incisional intraocular glaucoma surgeries (e.g., glaucoma filtering surgery or tube shunt) (a minimum of approximately 15 subjects will be enrolled)
      • Failed one or more cilioablative procedures (e.g., cryotherapy, cyclodiode therapy)
      • Have neovascular glaucoma
      • Have any other condition (e.g., conjunctival scarring, uveitis) in which a conventional incisional glaucoma surgery like trabeculectomy would be more likely to fail than for a person with uncomplicated primary open-angle glaucoma (OAG).

      Note: To allow for a subgroup of participants who only have OAG uncontrolled by medical therapy (non-refractory glaucoma), a maximum of 10 participants who meet only criterion a (and not b) will be enrolled.

      Exclusion Criteria:

  • A lack of healthy conjunctiva showing free mobility (free of scarring or evidence of prior surgery) in the target area.

  • Excessive intraoperative bleeding, such that visualization in the study eye is impaired.

  • Any anatomy or finding in the study eye that limits the investigator's ability to visualize the anterior chamber, angle, or target area of the conjunctiva.

  • Other surgical complication that in the opinion of the investigator could impede proper placement of the Gel Stent.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

65 participants in 1 patient group

XEN45 (Glaucoma Gel Stent)
Experimental group
Description:
Participants will receive XEN45 implanted using an ab externo approach on Day 1.
Treatment:
Device: XEN45 (Glaucoma Gel Stent)

Trial contacts and locations

25

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Central trial contact

ABBVIE CALL CENTER

Data sourced from clinicaltrials.gov

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