Efficacy and Safety of XEN® Gel Stent and Post-operative Management in Patients With Open Angle Glaucoma

NCT ID: NCT03904381

Last Updated: 2022-03-29

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-01-01

Study Completion Date

2025-01-01

Brief Summary

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To evaluate the efficacy of postoperative management with 5-fluorouracil injections after XEN Gel Stent implantation.

Detailed Description

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Conditions

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Open-angle Glaucoma

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

HEALTH_SERVICES_RESEARCH

Blinding Strategy

NONE

Study Groups

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stand-alone procedure of XEN implantation in phakic eyes

Group Type ACTIVE_COMPARATOR

5-fluorouracil

Intervention Type DRUG

5-fluorouracil subconjunctival injections were a first-choice therapy for bleb failure and were administered according to predetermined criteria.

Transconjunctival needling

Intervention Type PROCEDURE

Transconjunctival needling was administered according to predetermined criteria.

Transconjunctival revision

Intervention Type PROCEDURE

Transconjunctival revision was administered according to predetermined criteria.

stand-alone procedure of XEN implantation in pseudophakic eyes

Group Type ACTIVE_COMPARATOR

5-fluorouracil

Intervention Type DRUG

5-fluorouracil subconjunctival injections were a first-choice therapy for bleb failure and were administered according to predetermined criteria.

Transconjunctival needling

Intervention Type PROCEDURE

Transconjunctival needling was administered according to predetermined criteria.

Transconjunctival revision

Intervention Type PROCEDURE

Transconjunctival revision was administered according to predetermined criteria.

XEN implantation combined with cataract extraction

Group Type ACTIVE_COMPARATOR

5-fluorouracil

Intervention Type DRUG

5-fluorouracil subconjunctival injections were a first-choice therapy for bleb failure and were administered according to predetermined criteria.

Transconjunctival needling

Intervention Type PROCEDURE

Transconjunctival needling was administered according to predetermined criteria.

Transconjunctival revision

Intervention Type PROCEDURE

Transconjunctival revision was administered according to predetermined criteria.

Interventions

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5-fluorouracil

5-fluorouracil subconjunctival injections were a first-choice therapy for bleb failure and were administered according to predetermined criteria.

Intervention Type DRUG

Transconjunctival needling

Transconjunctival needling was administered according to predetermined criteria.

Intervention Type PROCEDURE

Transconjunctival revision

Transconjunctival revision was administered according to predetermined criteria.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* diagnosis of primary open angle glaucoma
* trabecular meshwork visible in gonioscopy
* medicated IOP of ≥ 15 mmHg and ≤ 35 mmHg
* taking 1 to 5 IOP-lowering medications
* area of healthy, free and mobile conjunctiva in the target quadrant (superior-nasal)
* signed inform consent

Exclusion Criteria

* angle closure glaucoma
* secondary open angle glaucoma
* previous glaucoma shunt/valve in the target quadrant
* presence of conjunctival scarring, prior conjunctival surgery or other conjunctival pathologies (e.g., pterygium) in the target quadrant
* active inflammation (e.g., blepharitis, conjunctivitis, keratitis, uveitis)
* active iris neovascularization or neovascularization of the iris within 6 months of the surgical date
* anterior chamber intraocular lens
* presence of intraocular silicone oil
* vitreous present in the anterior chamber
* impaired episcleral venous drainage (e.g., Sturge-Weber or nanophthalmos or other evidence of elevated venous pressure)
* known or suspected allergy or sensitivity to drugs required for the surgical procedure or any of the device components (e.g., porcine products or glutaraldehyde)
* history of dermatologic keloid formation
* previous photorefractive keratectomy
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Wrocław University of Science and Technology

OTHER

Sponsor Role collaborator

Wroclaw Medical University

OTHER

Sponsor Role lead

Responsible Party

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Joanna Przeździecka-Dołyk

Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Marta Misiuk-Hojło, Professor

Role: STUDY_CHAIR

Medical University of Wrocław

Ewa Wałek

Role: PRINCIPAL_INVESTIGATOR

Medical University of Wrocław

Locations

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Department of Ophthalmology

Wroclaw, , Poland

Site Status

Countries

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Poland

References

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Budenz DL, Rhee P, Feuer WJ, McSoley J, Johnson CA, Anderson DR. Comparison of glaucomatous visual field defects using standard full threshold and Swedish interactive threshold algorithms. Arch Ophthalmol. 2002 Sep;120(9):1136-41. doi: 10.1001/archopht.120.9.1136.

Reference Type BACKGROUND
PMID: 12215086 (View on PubMed)

Susanna R Jr, Vessani RM. Staging glaucoma patient: why and how? Open Ophthalmol J. 2009 Sep 17;3:59-64. doi: 10.2174/1874364100903020059.

Reference Type BACKGROUND
PMID: 19834563 (View on PubMed)

Other Identifiers

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STM.C240.17.037

Identifier Type: -

Identifier Source: org_study_id

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