- 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
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–15
of 15
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Glaucoma
- Interventions
- Lutein, zeaxanthin and mesozeaxanthin, Placebo
- Drug · Other
- Lead sponsor
- Felipe Medeiros, MD
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Cognitive Change, Achievement, Macular Pigmentation
- Interventions
- Active supplement, Placebo control
- Dietary Supplement
- Lead sponsor
- University of Illinois at Urbana-Champaign
- Other
- Eligibility
- 8 Years to 10 Years
- Enrollment
- 113 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Urbana, Illinois
- Conditions
- Diabetes, Diabetic Retinopathy
- Interventions
- DVS supplementation
- Dietary Supplement
- Lead sponsor
- ZeaVision, LLC
- Industry
- Eligibility
- 21 Years to 80 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2022
- U.S. locations
- 2
- States / cities
- Pomona, California • Tahlequah, Oklahoma
- Conditions
- Macular Degeneration
- Interventions
- Lutein
- Drug
- Lead sponsor
- National Eye Institute (NEI)
- NIH
- Eligibility
- 60 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2007
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Nutrition Status
- Interventions
- Carotenoid Nutritional Supplement, Placebo
- Dietary Supplement
- Lead sponsor
- Pharmanex
- Industry
- Eligibility
- 20 Years to 65 Years
- Enrollment
- 36 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Provo, Utah
- Conditions
- Alzheimer's Disease
- Interventions
- lutein/zeaxanthin, placebo
- Dietary Supplement
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 3 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2009
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Head Injury, Carotenoids
- Interventions
- Vision Edge Pro, Placebo
- Drug · Other
- Lead sponsor
- Penn State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 31 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- University Park, Pennsylvania
- Conditions
- Center-involved Diabetic Macular Edema (CI-DME)
- Interventions
- Diabetes Visual Function Study (DiVFuSS) softgels, canola oil placebo softgels, 2 per day
- Dietary Supplement · Other
- Lead sponsor
- ZeaVision, LLC
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 2
- States / cities
- Olympia, Washington • Tacoma, Washington
- Conditions
- Macular Degenerative Disease
- Interventions
- Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation
- Other
- Lead sponsor
- Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Kansas City, Missouri
- Conditions
- Ocular Albinism (OA), Oculocutaneous Albinism (OCA)
- Interventions
- Lutein plus Zeaxanthin, Placebo
- Dietary Supplement
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 12 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Diabetes Mellitus - Type 1, Diabetes Mellitus - Type 2, Non-proliferative Diabetic Retinopathy
- Interventions
- multi-component nutritional supplement capsules, multi-component dietary supplement
- Dietary Supplement
- Lead sponsor
- ZeaVision, LLC
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Tacoma, Washington
- Conditions
- Nutrient Deficiency, Pregnancy Related
- Interventions
- Carotenoid Group, Control Group
- Drug · Dietary Supplement
- Lead sponsor
- Paul S. Bernstein
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 47 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- 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
- Conditions
- Macular Degeneration
- Interventions
- Omega-3 fatty acid
- Dietary Supplement
- Lead sponsor
- Wills Eye
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 4
- States / cities
- Cherry Hill, New Jersey • Bethlehem, Pennsylvania • Huntingdon Valley, Pennsylvania + 1 more