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Completed Not applicable Interventional Results available

Additional Long-Term Follow-up for Subjects Implanted With a CyPass® Micro-Stent

ClinicalTrials.gov ID: NCT04629521

Public ClinicalTrials.gov record NCT04629521. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 3:02 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Observational Multicenter Clinical Study to Provide Additional Long-Term Follow-up Beyond 60 Months for Subjects Implanted With a CyPass Micro-Stent in the COMPASS Trial

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to assess long-term (10 years post-CyPass implantation) status of the corneal endothelium in subjects who were implanted with the CyPass Micro-Stent in the COMPASS trial.

Study identification

NCT ID
NCT04629521
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Alcon Research
Industry
Enrollment
54 participants

Conditions and interventions

Interventions

Device · Procedure

Eligibility (public fields only)

Age range
45 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 20, 2020
Primary completion
Apr 4, 2023
Completion
Apr 4, 2023
Last update posted
Apr 25, 2024

2020 – 2023

United States locations

U.S. sites
12
U.S. states
11
U.S. cities
12
Facility City State ZIP Site status
Eye Physicians and Surgeons of Arizona Glendale Arizona 85306
Coastal Vision Medical Group Orange California 92868
Eye Center of Northern Colorado, PC Fort Collins Colorado 80528
Cape Coral Eye Center Cape Coral Florida 33904
Jones Eye Center PC Sioux City Iowa 51104
Ophthalmology Associates St Louis Missouri 63131
Eye Associates and SurgiCenter of Vineland Vineland New Jersey 08361
Cincinnati Eye Institute Cincinnati Ohio 45242
Associates In Ophthalmology Ltd. West Mifflin Pennsylvania 15122
University Eye Specialists Maryville Tennessee 37803
The Vanderbilt Eye Institute Nashville Tennessee 37232
Ophthalmology Associates Fort Worth Texas 76102

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04629521, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 25, 2024 · Synced Sep 2, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04629521 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →