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Withdrawn Phase 4 Interventional

Augmented Macular Pigment-containing Nutraceutical and Central Visual Function

ClinicalTrials.gov ID: NCT04676126

Public ClinicalTrials.gov record NCT04676126. 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 6, 2026, 1:15 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

Augmented Macular Pigment Supplement and Pericentral Visual Function: a Randomized Controlled Trial

Brief summary

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

The purpose of this study is to prospectively analyze changes in macular pigment optical density and dermal carotenoid levels as they relate to visual field function in patients prescribed a macular pigment-containing medical food (Lumega-Z), in combination with a topical carbonic anhydrase inhibitor.

Study identification

NCT ID
NCT04676126
Recruitment status
Withdrawn
Study type
Interventional
Phase
Phase 4
Enrollment
Not listed

Conditions and interventions

Interventions

Dietary Supplement · Drug · Other

Eligibility (public fields only)

Age range
18 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
Apr 30, 2021
Primary completion
Apr 30, 2022
Completion
Apr 30, 2022
Last update posted
Oct 3, 2022

2021 – 2022

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Ophtalmology Clinic of William E Sponsel San Antonio Texas 78215

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 NCT04676126, 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 Oct 3, 2022 · Synced Sep 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04676126 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →