Glaucoma implant under the microscope: will it stay put?

NCT ID NCT04553523

Recruiting now Disease control Sponsor: Alcon Research Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jul 15, 2026 · Updated 3 times

Summary

This study is checking whether a small metal implant called the Hydrus Microstent stays in the right place after being placed during cataract surgery. The implant is designed to help drain fluid from the eye and lower pressure in people with open-angle glaucoma. Researchers will follow 545 adults for two years to see if the implant moves or causes problems like inflammation, vision loss, or the need for another surgery.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Hydrus Microstent (a tiny, crescent-shaped metal implant placed in the eye to help drain fluid and lower pressure)
What this could lead to: If successful, this study will confirm that the Hydrus Microstent is a safe and reliable option for managing glaucoma during cataract surgery, helping to control eye pressure long-term.
What could go wrong: This is a post-approval study focused on safety, not a new treatment. The implant could move out of place, causing inflammation, vision loss, or the need for more surgery. Results may not apply to all glaucoma patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

open-angle glaucoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

PRIMARY OPEN ANGLE GLAUCOMA

Contacts and locations

Locations

Carolina Eye Associates PA
RECRUITING

Southern Pines, North Carolina, 28387, United States
Center for Sight
RECRUITING

Las Vegas, Nevada, 89145, United States
Cincinnati Eye / Apex Eye
NOT_YET_RECRUITING

Mason, Ohio, 45040, United States
Cincinnati Eye Institute
RECRUITING

Cincinnati, Ohio, 45242, United States
Cleveland Eye Clinic
COMPLETED

Brecksville, Ohio, 44141, United States
Coastal Vision
COMPLETED

Irvine, California, 92618, United States
El Paso Eye Surgeons
RECRUITING

El Paso, Texas, 79902, United States
Eye Center of Northern Colorado
RECRUITING

Loveland, Colorado, 80538, United States
Eye Centers Of Racine And Kenosha
RECRUITING

Kenosha, Wisconsin, 53142, United States
Fraser Eye Care Center
RECRUITING

Fraser, Michigan, 48026, United States
Glaucoma Associates Of Texas
NOT_YET_RECRUITING

Dallas, Texas, 75231, United States
Jones Eye Center PC
RECRUITING

Sioux City, Iowa, 51104, United States
Midwest Vision Research Foundation
RECRUITING

Chesterfield, Missouri, 63017, United States
Moyes Eye Center
NOT_YET_RECRUITING

Kansas City, Missouri, 64154, United States
Sacramento Eye Consultants
RECRUITING

Sacramento, California, 95815, United States
Scott & Christie and Associates, PC
NOT_YET_RECRUITING

Cranberry Township, Pennsylvania, 16066, United States
Stiles Eyecare Excellence Cataracts and Glaucoma
NOT_YET_RECRUITING

Overland Park, Kansas, 66213, United States
Texan Eye / Keystone Research
RECRUITING

Austin, Texas, 78731, United States
Texas Eye Research Center
RECRUITING

Hurst, Texas, 76054, United States
The Eye Institute of Utah
NOT_YET_RECRUITING

Salt Lake City, Utah, 84107, United States
Twin Cities Eye Consultants
RECRUITING

Coon Rapids, Minnesota, 55433, United States
Visionary Eye Doctors
NOT_YET_RECRUITING

Rockville, Maryland, 20852, United States

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