One, Two, or Three iStents for the Reduction of Intraocular Pressure in Open-angle Glaucoma Subjects
A Prospective, Randomized, Controlled Evaluation of Open-Angle Glaucoma Subjects on Two Topical Hypotensive Medications, Implanted With One, Two, or Three Trabecular Micro-Bypass Stents
1 other identifier
interventional
119
1 country
1
Brief Summary
The purpose of this study is to evaluate the safety and efficacy of the intraocular pressure (IOP) lowering effect of one, two, or three iStent devices in eyes of subjects previously on two anti-glaucoma medications.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for not_applicable
Started Jan 2012
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2012
CompletedFirst Submitted
Initial submission to the registry
January 23, 2012
CompletedFirst Posted
Study publicly available on registry
January 25, 2012
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 18, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
October 18, 2019
CompletedAugust 31, 2022
August 1, 2022
7.8 years
January 23, 2012
August 29, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Mean diurnal intraocular pressure (IOP) reduction of greater than or equal to 20% at month 12 vs. baseline
12 Months
Secondary Outcomes (1)
Mean diurnal IOP <18 mmHg at month 12
12 months
Study Arms (3)
First Arm: One iStent
EXPERIMENTALDevice: One iStent
Second Arm: Two iStents
EXPERIMENTALDevice: Two iStent devices
Third Arm: Three iStents
EXPERIMENTALDevice: Three iStent devices
Interventions
Implantation of One iStent through a small temporal clear corneal incision.
Eligibility Criteria
You may qualify if:
- Diagnosed with primary open-angle glaucoma (POAG)
- Subject on two topical hypotensive medications
You may not qualify if:
- Traumatic, uveitic, neovascular, or angle closure glaucoma
- Fellow eye already enrolled
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
S.V. Malayan's Ophthalmology Centre
Yerevan, 375108, Armenia
MeSH Terms
Conditions
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 23, 2012
First Posted
January 25, 2012
Study Start
January 1, 2012
Primary Completion
October 18, 2019
Study Completion
October 18, 2019
Last Updated
August 31, 2022
Record last verified: 2022-08
Data Sharing
- IPD Sharing
- Will share
18 month results published in Clinical Ophthalmology 2015:9 2313-2320.