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RecruitingPrimary Open Angle Glaucoma

Hydrus® Microstent New Enrollment Post-Approval Study

Eligible age

45+ yrs

Accepts

All genders

Locations

15 states

Healthy volunteers

No

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About this study

The purpose of this post-approval study is to evaluate the rate of Hydrus Microstent malposition and associated clinical sequelae occurring within 24 months post-operation. Qualified subjects will undergo uncomplicated cataract surgery with placement of a monofocal intraocular lens (IOL), followed by implantation of the Hydrus Microstent.

Sponsor: Alcon Research

You may qualify if…

  • An operable, age-related cataract with best corrected visual acuity (BCVA) of 20/40 or worse;
  • Diagnosis of primary open angle glaucoma treated with no more than 4 topical hypotensive medications;
  • Optic nerve appearance characteristic of glaucoma;
  • Medicated IOP less than or equal to 31 millimeters mercury (mmHg); Other protocol-defined inclusion criteria may apply.

You may not qualify if…

  • Closed angle forms of glaucoma;
  • Congenital or developmental glaucoma;
  • Secondary glaucoma;
  • Use of more than 4 ocular hypotensive medications;
  • Previous argon laser trabeculoplasty, trabeculectomy, tube shunts, or any other prior filtration or cilioablative surgery;
  • Prior surgery with implanted device or other surgery involving the trabecular meshwork or Schlemm's canal;
  • Other protocol-defined exclusion criteria may apply.

Where it's recruiting

California

Irvine · Sacramento

Colorado

Loveland

Iowa

Sioux City

Kansas

Overland Park

Maryland

Rockville

Michigan

Fraser

Minnesota

Coon Rapids

Missouri

Chesterfield · Kansas City

Nevada

Las Vegas

North Carolina

Southern Pines

Ohio

Brecksville · Cincinnati · Mason

Pennsylvania

Cranberry Township

Source: ClinicalTrials.gov · NCT04553523 · last updated 2026-06-10

Hydrus® Microstent New Enrollment Post-Approval Study · TrialPath