Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed No phase listed Observational Results available

PRESERFLO® MicroShunt Extension Study

ClinicalTrials.gov ID: NCT04333433

Public ClinicalTrials.gov record NCT04333433. 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 Oct 22, 2026, 8:56 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

A Prospective, Concurrent Controlled, Open-Label, Multicenter Clinical Study to Assess the Long-Term Safety of the PRESERFLO® MicroShunt in Subjects With Primary Open-Angle Glaucoma Who Have Completed Participation in the INN-005 Randomized Controlled Study.

Brief summary

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

This prospective, concurrent controlled, open-label, multicenter study is designed to collect additional safety data through 5 years of follow-up for subjects randomized to either the treatment arm (PRESERFLO® MicroShunt with MMC) or the control arm (Trabeculectomy with MMC) of the INN-005 clinical study.

Study identification

NCT ID
NCT04333433
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
InnFocus Inc.
Industry
Enrollment
279 participants

Conditions and interventions

Interventions

Device · Procedure

Eligibility (public fields only)

Age range
40 Years to 85 Years
Sex
All
Healthy volunteers
Not listed

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

Study timeline

Start date
May 22, 2020 (Actual)
Primary completion
Nov 24, 2022 (Actual)
Completion
Nov 24, 2022 (Actual)
Last update posted
Mar 22, 2024

2020 – 2022

United States locations

U.S. sites
19
U.S. states
13
U.S. cities
19
Facility City State ZIP Site status
Arizona Advance Eye Research Institute, LLC. Glendale Arizona 85306 —
Vold Vision Fayetteville Arkansas 72704 —
UCLA Medical Center Jules Stein Eye Institute Los Angeles California 90095 —
University of California at Davis Eye Center Sacramento California 95817 —
Ophthalmic Consultants of Connecticut Meriden Connecticut 06450 —
Intermountain Eye Center Eagle Idaho 83616 —
Eugene and Marilyn Glick Eye Institute Indianapolis Indiana 46290 —
Stiles Eye Care Excellence & Glaucoma Institute Overland Park Kansas 66213 —
Minnesota Eye Consultants, PA Bloomington Minnesota 55431 —
New York Eye and Ear Infirmary of Mt. Sinai New York New York 10003 —
Glaucoma Consultants of the Capital Region Slingerlands New York 12159 —
Cincinnati Eye Institute Cincinnati Ohio 45242 —
Ophthalmic Surgeons and Consultants of Ohio Columbus Ohio 43215 —
Dean McGee Eye Institute Oklahoma City Oklahoma 73014 —
Ophthalmic Partners of Pennsylvania Bala-Cynwyd Pennsylvania 19004 —
Glaucoma Associates of Texas Dallas Texas 75231 —
Ophthalmology Associates Fort Worth Texas 76102 —
University Eye Associates Houston Texas 77030 —
R&R Eye Research, LLC San Antonio Texas 78229 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 4 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04333433, 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 Mar 22, 2024 · Synced Oct 22, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04333433 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →