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Recruiting NCT04553523

NCT04553523 Hydrus® Microstent New Enrollment Post-Approval Study

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Clinical Trial Summary
NCT ID NCT04553523
Status Recruiting
Phase
Sponsor Alcon Research
Condition Primary Open Angle Glaucoma
Study Type INTERVENTIONAL
Enrollment 545 participants
Start Date 2020-08-25
Primary Completion 2028-06

Eligibility & Interventions

Sex All sexes
Min Age 45 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
Hydrus MicrostentCataract surgeryMonofocal IOL

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

This trial targets 545 participants in total. It began in 2020-08-25 with a primary completion date of 2028-06.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

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.

Eligibility Criteria

Inclusion Criteria: * 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. Exclusion Criteria: * 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.

Contact & Investigator

Central Contact

Alcon Call Center

✉ alcon.medinfo@alcon.com

📞 1-888-451-3937

Principal Investigator

Clinical Project Lead, CDMA Surgical

STUDY DIRECTOR

Alcon Research

Frequently Asked Questions

Who can join the NCT04553523 clinical trial?

This trial is open to participants of all sexes, aged 45 Years or older, studying Primary Open Angle Glaucoma. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT04553523 currently recruiting?

Yes, NCT04553523 is actively recruiting participants. Contact the research team at alcon.medinfo@alcon.com for enrollment information.

Where is the NCT04553523 trial being conducted?

This trial is being conducted at Irvine, United States, Sacramento, United States, Loveland, United States, Sioux City, United States and 11 additional locations.

Who is sponsoring the NCT04553523 clinical trial?

NCT04553523 is sponsored by Alcon Research. The principal investigator is Clinical Project Lead, CDMA Surgical at Alcon Research. The trial plans to enroll 545 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology