Clinical trials: Lutein
Cataract
Efficacy of Lutein, Zeaxanthine and Trypan Blue to Stain the Anterior Lens Capsule
Effectiveness of lutein, zeaxanthin and trypan blue to stain the anterior lens capsule during cataract phacoemulsification.
- Trial name
- NCT01621789
- Testing
- dye of lutein, zeaxanthin, trypan blue
- Where
- Brazil
- Volunteers
- 25 people
- Sponsor
- Federal University of São Paulo
Macular Teleangiectasia, Macular Pigment
MPOD in Macular Teleangiectasia Following Supplementation of Lutein and Zeaxanthin
Earlier investigations have detected low levels of macular pigment (MP) in the center of the fovea and a halo of MP at a higher eccentricity in persons with type 2 idiopathic juxtafoveal teleangiectasia (MACTEL)[Helb H-M, Charbel…
- Trial name
- MacTEL-Supp (NCT00568828)
- Where
- Germany
- Volunteers
- 12 people
- Sponsor
- The Lowy Medical Research Institute Limited
Healthy But Chronically Stressed
Effects of Lutein on Learning and Memory in Chronically Stressed Subjects and in an Acute Stressful Situation (TSST - Trier Social Stress Test): A Randomized, Double-blind, Placebo-controlled Trial)
The purpose of this study is to study effects of a four months lutein supplementation (in form of a lutein fortified nutritional beverage) on general learning and memory performance as well as on acute stress-induced changes in…
- Trial name
- MemLearn (NCT02257801)
- Testing
- Nutritional beverage fortified with 6mg lutein/day, Nutritional beverage fortified with 12mg lutein/day
- Where
- Germany
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- dsm-firmenich Switzerland AG
Age-related Macular Degeneration
Rheohemapheresis and Lutein Supplementation in the Non-Exsudative Form of Age-Related Macular Degeneration
Age-related macular degeneration is one of the major causes of blindness in the western world. There is an exsudative and a non-exsudative form of age-related macular degeneration.Most studies concentrate on the exsudative form.
- Trial name
- ReLux-AMD (NCT00443911)
- Where
- Austria
- Volunteers
- 20 people
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Biological Availability, Carotenoids
Bioavailability of Carotenoids From Orange Juice in a Cross-over Study in Healthy Subjects.
Commercially available fruit juices are obtained after applying industrial technologies to preserve and extend the shelf-life by inactivation of microorganism and enzymes. These are traditional thermal treatment (eg.
- Conditions
- Biological Availability, Carotenoids, Lutein, Humans
- Trial name
- NCT04744233
- Testing
- Orange juice
- Where
- 2 sites in Spain
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Instituto de Ciencia y Tecnología de Alimentos y Nutrición
Cognitive
To Evaluate the Efficacy of Lutemax 2020 on Vision and Cognitive Performance in Health Children.
To address the detrimental effects of the sudden rise in the use of digital devices leading to increased screen time, the present study will assess the efficacy of macular carotenoid supplementation Lutemax 2020 in young children
- Trial name
- NCT07355725
- Testing
- Lutemax 2020 gummies
- Where
- India
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Bioagile Therapeutics Pvt. Ltd.
Dry Eye Disease, Immunity
Efficacy of Twinkle Eyez Supplementation in Improving Ocular Health and Immunity
This is a randomised, double-blind, placebo-controlled study that recruited 110 participants. The objectives of this study are to determine the dietary intake levels of lutein and zeaxanthin among precipitants.
- Trial name
- NCT06574685
- Testing
- Twinkle Eyez Supplementation
- Where
- Malaysia
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Ecolite Group
Dry Eye Syndromes
Treatment of Dry Eye With Supplements
Dry eye syndrome (DES) is a highly prevalent ocular condition inducing an inflammatory response on the ocular surface. Common symptoms include ocular discomfort, visual impairment and instability of the tear film with potential…
- Trial name
- NCT01364311
- Testing
- Vitamac® Tag and Nacht capsules
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Absorption, Metabolism and Excretion in Healthy Volunteers, Bioavailability and AUC
Bioavailability Trial
Carrot is a unique vegetable owing to the availability of bioactive compounds polyacetylenes (PA) as well as carotenoids present in it.
- Trial name
- NCT06686004
- Testing
- Carrots
- Where
- United Kingdom
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Newcastle University
Healthy Lactating Mother
Study to Learn About the Effect of Elevit (a Food Supplement Containing Several Vitamins, Minerals, Lutein and DHA) on the Nutrient Content in the Breast Milk and Blood of Women During Breastfeeding Period and on Babies' Physical Growth Parameters
The aim of the study is to learn about the effect of multi-micronutrient, lutein and DHA supplementation (Elevit Breastfeeding \& Postnatal Care) on the breast milk nutrient composition and babies physical growth parameters.
- Trial name
- NCT04462939
- Testing
- Elevit Breastfeeding & Postnatal Care
- Where
- 3 sites in Germany
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Bayer
Hypercholesterolemia, Hyperlipidemias
Independent Effects of High-cholesterol (High-egg) and High-saturated Fat Diets on LDL-cholesterol
This study will comprise a randomized controlled, counter-balanced, cross-over trial to evaluate the independent effects of a high cholesterol (high egg), low saturated fat diet and a high saturated fat, low cholesterol diet on…
- Conditions
- Hypercholesterolemia, Hyperlipidemias, Physical Inactivity, Diet, Healthy
- Trial name
- NCT05267522
- Testing
- Egg diet, Egg-free Diet, Control Diet
- Where
- Australia
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- University of South Australia
Macular Degeneration, Retinal Degeneration
Pistachios and Neural Macular Pigment
Age-related macular degeneration (AMD) is the leading cause of irreversible vision loss as people age. Studies have shown that lutein and zeaxanthin, nutrients found in green leafy vegetables and egg yolks, can help protect…
- Conditions
- Macular Degeneration, Retinal Degeneration, Retinal Diseases, Eye Diseases
- Trial name
- NCT05283941
- Testing
- Pistachio Group
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tufts University
Lutein and Zeaxanthin Dietary Intake, Age Related Macular Degeneration
Online Validation of Dietary Intake Food Frequency Questionnaire Over Four Weeks, and Electronic Device Use Questionnaire Over Eight Weeks.
Tools to investigate dietary lutein and zeaxanthin (L/Z) intake and electronic device (ED) use are important to progress research that investigates the role of ED blue light (BL) exposure, and dietary L/Z intake on macular…
- Conditions
- Lutein and Zeaxanthin Dietary Intake, Age Related Macular Degeneration, Blue Light Exposure, Electronic Device Use
- Trial name
- NCT04779411
- Testing
- Weekly Food Frequency Questionnaire, Monthly Food Frequency Questionnaire, 24-Hour Diet Recall
- Where
- Australia
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- The University of Queensland
Carotenoids
Sweet Corn and Carotenoids
This study will assess the effect of daily yellow and white sweet corn intake on serum lutein and zeaxanthin concentrations. Skin carotenoid levels using the Veggie Meter will be assessed, and gastrointestinal symptoms and…
- Trial name
- NCT06892444
- Testing
- Yellow Sweet Corn, White Sweet Corn
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Florida
Macular Degenerative Disease
Effect of Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation on Skin Carotenoid Concentration: A Six-Month, Placebo-Controlled Crossover Study
To compare skin carotenoid scores over 12 weeks of individuals randomized to placebo or MacuHealth and comparing that to a 12 week crossover evaluation.
- Trial name
- NCT06965426
- Testing
- Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
Healthy, Nutrition Poor
Effects of Lutein on Visual Function
Randomized, double blind, placebo-controlled intervention trial on the ocular benefits and inflammatory markers improvements of taking FloraGLO Lutein for 9 months.
- Trial name
- NCT03113864
- Testing
- Lutein
- Where
- United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Kemin Foods LC
Macular Pigment
Lutein Bioavailability From Fresh and Dried Beverages
Macular pigment is composed primarily of the xanthophylls lutein and zeaxanthin, which are members of the carotenoid family. Epidemiological evidence indicates that a higher intake of lutein and zeaxanthin is associated with a…
- Trial name
- METC-11/07 (NCT01400763)
- Testing
- Fresh lutein-enriched egg-yolk beverage, Dried-1 lutein-enriched egg-yolk beverage, Dried-2 lutein-enriched egg-yolk beverage
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Wageningen University
Age-Related Macular Degeneration
The Influence of Lutein Supplements on Age-related Macular Degeneration
Rationale: Age-related macular degeneration is the most common cause of blindness in the industrialized world. Macular pigment is hypothesized to protect against the vision loss in this disease. Objective: 1.
- Trial name
- NCT01042860
- Testing
- Lutein
- Where
- 2 sites in Netherlands, United Kingdom
- Volunteers
- 80 people
- Sponsor
- Maastricht University Medical Center
Risk Factors for Age Related Macular Degeneration
Effects of Sea Buckthorn Oil and Lutein on Eye Health
Low macular pigment optical density has been associated with increased risk of age-related macular degeneration, an important cause of vision problems in the elderly population.
- Trial name
- SBEYE (NCT02379169)
- Testing
- Sea buckthorn oil & lutein
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
Diabetic Retinopathy, Type 2 Diabetes
Enriched Eggs for Retina Health in Type 2 Diabetes
Diabetes mellitus has been declared a major public health issue. Among the complications of the disease, retinopathy can have a significant impact on mobility and quality of life for individuals living with diabetes.
- Trial name
- NCT04496817
- Testing
- Docosahexaenoic Acid and Lutein Enriched Eggs, Regular Eggs
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Manitoba