About this trial
The purpose of the study is to investigate the efficacy of cataract surgery in combination with Kahook Dual Blade Glide goniotomy (KDB) or iStent Inject W Trabecular Microbypass Stent (Istent) in eyes with Open-angle glaucoma.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Only one eye per participant
Clinically significant cataract
Glaucoma or intraocular hypertension treated with one to four medications and no need for filtering glaucoma surgery at the time of study enrollment.
Open chamber angle with Schaffer grading three to four in at least two quadrants
Disqualifiers
Previous glaucoma surgery, including cyclodestructive procedures.
Selective Laser Trabeculoplasty (SLT) within 90 days prior to planned surgery.
Exudative age-related macular degeneration, proliferative diabetic retinopathy, clinically significant corneal dystrophy, other eye disease that affect intraocular eye pressure or visual field.
Unable to participate and make written consent due to another medical condition.
Trial design
Parallel
Treatments tested in this trial
Goniotomy with KDB blade goniotomy
DeviceGoniotomy with KDB glide will be performed at the end of Cataract Surgery through the temporal cataract incision.
Two iStent inject implanation
DeviceThe two stents will be injected in Schlemms canal at the end of cataract surgery through the temporal cataract incision.
Treatment groups
Trial outcomes
Primary outcomes
Change in the number of intraocular pressure lowering medications compared to baseline
Accountability of intraocular pressure lowering medications used by the patient
Intraocular pressure measured by Goldmann applanation tonometry (GAT)
Number of participants with ≥20 percent intraocular pressure reduction or reduction with ≥1 medication compared to baseline
Secondary outcomes
Number of participants with intraocular pressure ≤21 mm Hg, ≤18 mm Hg, ≤15 mm Hg and ≤12mm Hg
Intraocular pressure measured by Goldmann applanation tonometry (GAT) at 12 months
Sponsors and contacts
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