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ClinicalTrials.gov public records Last synced Jul 22, 2026, 3:23 PM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Gojiberry Intake (Lycium Barbarium) on Macular Function

NCT03983525
Conditions
Macular Pigment Optical Density
Interventions
Goji berry, Lutein + zeaxanthin supplementation
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
45 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Davis, California
Completed Not applicable Interventional Results available

The Zeaxanthin and Visual Function Study

NCT00564902
Conditions
Age Related Macular Degeneration, Cognition Disorders
Interventions
3R 3'R Zeaxanthin, Lutein, Lutein and Zeaxanthin
Drug · Dietary Supplement
Lead sponsor
Chrysantis, Inc.
Industry
Eligibility
45 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
North Chicago, Illinois
Recruiting Not applicable Interventional Accepts healthy volunteers

Lutein, Zeaxathin, and Fish Oil Supplementation

NCT06489873
Conditions
Cognitive Performance, Age-Related Macular Degeneration, Bone Loss
Interventions
Active Comparator (Lutein, zeaxanthin, and fish oil supplement (LZF), Placebo Comparator
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
College Station, Texas
Conditions
Glaucoma, Glaucoma Eye, Glaucoma, Open-Angle
Interventions
Lumega-Z, Dorzolamide Hcl 2% Oph Soln, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Eggs on Cognitive Performance

NCT06465888
Conditions
Cognitive Function
Interventions
egg whites, whole eggs, Omega-3 eggs, egg yolk
Other
Lead sponsor
Texas A&M University
Other
Eligibility
50 Years to 75 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
College Station, Texas
Conditions
Age-related Macular Degeneration, Choroidal Neovascular Age-related Macular Degeneration
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
60 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Encinitas, California