Clinical trials: Lutein
Retinitis Pigmentosa
Clinical Trial of Lutein for Patients With Retinitis Pigmentosa Receiving Vitamin A
The purpose of this trial is to determine whether lutein in addition to vitamin A will slow the course of retinitis pigmentosa.
- Trial name
- NCT00346333
- Testing
- Lutein, Cornstarch control
- Where
- United States
- Volunteers
- 240 people
- Sponsor
- National Eye Institute (NEI)
Age-related Macular Degeneration, Cataract
Age-Related Eye Disease Study 2 (AREDS2)
Oral supplementation with the Age-Related Eye Disease Study (AREDS) formulation (antioxidant vitamins C and E, beta carotene, and zinc) has been shown to reduce the risk of progression to advanced age-related macular degeneration…
- Trial name
- AREDS2 (NCT00345176)
- Testing
- Lutein/zeaxanthin, DHA/EPA, Lutein/zeaxanthin and DHA/EPA
- Where
- 91 sites in United States
- Volunteers
- 4,203 people
- Sponsor
- National Eye Institute (NEI)
Carotid Atherosclerosis, Carotid Intimal Medial Thickness 1
Effects of Lutein Supplementation on Subclinical Atherosclerosis
This study is to investigate the possible positive effects of lutein and lycopene supplementation on early atherosclerosis in Beijing.
- Trial name
- NCT01534533
- Testing
- Lutein group, Combination group, Normal lutein control group
- Where
- China
- Volunteers
- 192 people, healthy volunteers welcome
- Sponsor
- Peking University
Vision, Entoptic
Macular Pigment and Glare Disability
The purpose of this study is: I. To measure MP optical density (MPOD) in two groups (experimental and placebo) of 50 subjects each (N = 100), during an Lutein + Zeaxanthin supplementation period of 12 months. II.
- Trial name
- MP-GD (NCT00909090)
- Testing
- 12 mg Lutein + Zeaxanthin
- Where
- United States
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- University of Georgia
Mild Cognitive Impairment
Consumption of Potatoes, Avocados and Chickpeas and Cognitive Function in Older Adults
Cognitive impairment is also a major risk factor for development of dementia later in life. Findings from the investigators studies suggest that the carotenoids, lutein and zeaxanthin may be important in cognitive function in the…
- Trial name
- NCT01620567
- Testing
- avocado, potato or chickpea
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Tufts University
Age Related Macular Degeneration, Cognition Disorders
The Zeaxanthin and Visual Function Study
To evaluate if supplementation of zeaxanthin (with or without Lutein) is beneficial to patients with early and moderate Atrophic Age Related Macular Degeneration.
- Trial name
- ZVF (NCT00564902)
- Testing
- 3R 3'R Zeaxanthin, Lutein, Lutein and Zeaxanthin
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Chrysantis, Inc.
Nutrient Deficiency, Pregnancy Related
Lutein & Zeaxanthin in Pregnancy - Carotenoid Supplementation During Pregnancy: Ocular and Systemic Effects
This study is designed to test the hypotheses that (1) the third trimester of pregnancy is a period of maternal systemic and ocular carotenoid depletion; (2) prenatal supplementation with 10 milligrams of lutein and 2 milligrams…
- Trial name
- L-ZIP (NCT03750968)
- Testing
- Carotenoid Group, Control Group
- Where
- United States
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- Paul S. Bernstein
Age-related Macular Degeneration
Effects of Lutein and Zeaxanthin Supplementation on Early Age-related Macular Degeneration
This study is to investigate the protective effects of supplemental lutein and zeaxanthin on early age-related macular degeneration (AMD) patients in China.
- Trial name
- NCT01528605
- Testing
- low lutein, high lutein, lutein plus zeaxanthin
- Where
- China
- Volunteers
- 168 people
- Sponsor
- Peking University