Clinical trials: Carotenoid
Retinitis Pigmentosa
The Effect of Oral Administration of 9-cis Rich Powder of the Alga Dunaliella Bardawil on Visual Functions in Adolescent Patients With Retinitis Pigmentosa
The aim of this study is to determine whether 9-cis-beta Caroten rich D. Brdawiil extract is effective in the treatment of retinitis pigmentosa in adolescent patients.
- Trial name
- NCT02018692
- Testing
- Alga Dunaliella Bardawil powder
- Where
- Israel
- Volunteers
- 30 people
- Sponsor
- Sheba Medical Center
Lower Urinary Tract Symptoms, Benign Prostatic Hyperplasia
MCS in the Treatment of Lower Urinary Tract Symptoms
The hypothesis of the study is to examine whether MCS-2 is safe and effective in the treatment of lower urinary tract symptoms suggestive of benign prostatic hyperplasia.
- Trial name
- MCS_LUTS (NCT01002417)
- Testing
- MCS-2 15 mg/day, MCS-2 30 mg/day
- Where
- United States
- Volunteers
- 274 people
- Sponsor
- Health Ever Bio-Tech Co., Ltd.
Healthy Nutrition, Pregnancy Related
Maternal Carotenoids Across Pregnancy Study
Before infants are born, they depend on their mother to provide the nutrients necessary to grow and develop, such as iron, folic acid, iodine and other vitamins and minerals.
- Trial name
- MCAPS (NCT06004479)
- Testing
- Carotenoid Intake, Serum carotenoid concentration
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Crohn's Disease
Beta Carotene From Natural Source for Patients With Non-Active Crohn's Disease
Many inflammatory disorders in the body are linked to oxidative tissue damage. Anti-oxidants that are present in many natural food sources may provide protection from such damage.
- Trial name
- NCT00275418
- Testing
- beta carotene from Dunaliella algae
- Where
- Israel
- Volunteers
- 300 people
- Sponsor
- Bnai Zion Medical Center
Center-involved Diabetic Macular Edema (CI-DME)
Prospective Study of Adjunctive Carotenoids Plus Anti-oxidants in Anti-VEGF Treated Diabetic Macular Edema
This study will evaluate the effects of add-on carotenoid plus anti-oxidant nutritional supplementation to standard anti-vascular endothelial growth factor therapy for subjects with center-involved diabetic macular edema
- Trial name
- PROACTIVEDME (NCT03866005)
- Testing
- Diabetes Visual Function Study (DiVFuSS) softgels
- Where
- 2 sites in United States
- Volunteers
- 150 people
- Sponsor
- ZeaVision, LLC
Healthy
Bioavailability of Pepper Carotenoids in Humans
list item one, Peppers We propose to evaluate bio absorption of pepper carotenoids in a red bell-pepper or non-pungent green jalapeno pepper. The pepper will be provided in a cooked dish.
- Trial name
- NCT00636350
- Testing
- Pepper
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Tufts University
Pediatric Nutrition, Nutrition, Healthy
Toddler Biomarker of Nutrition Study
This is a study of how accurate different methods to assess young children's dietary intake are, so that researchers and health professionals can better understand how children's nutrition relates to their health.
- Trial name
- TBONS (NCT05855824)
- Testing
- Applesauce Pouch, Fruit-vegetable puree blend
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Macular Degeneration
Lutein/Zeaxanthin and Omega-3 Supplementation in Persons Over Age 60
This study will explore whether taking the vitamins lutein and zeaxanthin, with or without Omega-3 fatty acid (fish oil or docosahexanoic acid, also known as DHA) will change the amount of lutein and zeaxanthin in the blood among…
- Trial name
- NCT00121589
- Testing
- Lutein
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
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,
Behavioral Changes, Psychology, Social
Using Reinforcement Schedules to Increase Fruit&Vegetable Intake, Reduce Waste, and Increase School Lunch Participation
Using small monetary rewards to reinforce healthy behaviors, such as the consumption of fruits and vegetables (F\&V), the investigators tested fixed and variable reinforcement schedules in three middle schools.
- Conditions
- Behavioral Changes, Psychology, Social, Nutrition
- Trial name
- NCT05633251
- Testing
- Variable (random) interval, Variable (non-random) interval, Variable (random) interval with table tents
- Where
- United States
- Volunteers
- 1,626 people, healthy volunteers welcome
- Sponsor
- New Mexico State University
No Condition, Skin Carotenoids and Immune-aging
Carotenoids in the Skin and Immune Aging
This study aims to examine the connection between the level of carotenoids in the skin and a number of immune related health parameters.
- Trial name
- NCT07221643
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Stanford University
Human Microbiome
Oral Probiotics on the Shift in Gut Microbiome and Skin Carotenoid Levels
The purpose of this study is to determine how probiotics affects circulating carotenoid levels.
- Trial name
- NCT04841694
- Testing
- Probiotic
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Integrative Skin Science and Research
Vitamin A Deficiency
Efficacy of Yellow Cassava to Improve Vitamin A Status of Kenyan School Children
The overall aim of the project is to provide proof-of-principle that biofortification of cassava with vitamin A is a viable strategy to improve vitamin A status of deficient populations.
- Trial name
- CASSAVITA (NCT01614483)
- Testing
- Yellow cassava, White cassava
- Where
- Kenya
- Volunteers
- 341 people, healthy volunteers welcome
- Sponsor
- Wageningen University
Carotenoids
Effect of the Type and Emulsification of Dietary Fat on the Carotenoids Absorption
This study is designed to assess the effects of 1) the emulsification 2) the type of dietary fat on carotenoid (CAT) absorption employing an in-vitro digestion system (Proof of Concept) and well-designed randomized controlled…
- Trial name
- NCT04323826
- Testing
- olive oil-water mixture, olive oil-water emulsion, coconut oil-water mixture
- Where
- 2 sites in Singapore
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Absorption of Carotenoids From Vegetables
Dietary Lipids as Primary Modulators of Carotenoid Absorption in Vegetables
The purpose of this research study is to determine how dietary fats and oils influence the absorption of beneficial plant pigments (carotenoids) from vegetables.
- Trial name
- NCT01006174
- Testing
- Soybean Oil, Canola Oil, Butter
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Purdue University
Head Injury, Carotenoids
Carotenoids for Collision Athletes
This is a supplement study being conducted to find out if collision sport athletes who are exposed to repetitive head impacts while supplementing with carotenoids will have decreased pro-inflammatory blood biomarkers, increases…
- Trial name
- NCT06270680
- Testing
- Vision Edge Pro
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Penn State University
Vitamin A Deficiency
Vitamin A Equivalence of the Provitamin A in Biofortified Bananas
The objective will be to quantify the vitamin A equivalence of the provitamin A in transgenic biofortified bananas.
- Trial name
- NCT02702622
- Testing
- Provitamin A-biofortified transgenic bananas
- Volunteers
- healthy volunteers welcome
- Sponsor
- Iowa State University
Dietary Modification, Cardiovascular Disease
Feeding the Rainbow to Investigate Endothelial Dysfunction
The primary purpose of this study is to compare the change in blood carotene concentration between a food-based versus nutritional supplement-based intervention.
- Trial name
- FRIED (NCT01175577)
- Testing
- Chlorophyll complex, Standard Process, Betatene, sold as "Full Spectrum Carotenoid Complex", Small carotenoid-rich meals
- Where
- 2 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Bastyr University
Vision Disorders
Effect of Carotenoids Supplementation on Visual Function in Chinese Subjects
The macula is a pigmented area at the center of the retina, and responsible for the central, high-resolution color vision. Age-related macular degeneration (AMD) is a disease of the macula and is the leading cause of irreversible…
- Trial name
- NCT06098677
- Testing
- Carotenoids supplementation
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Vitamin A Deficiency, Low Serum Retinol
Efficacy of β-carotene Biofortified Maize in Reducing Vitamin A Deficiency Among Children
The purpose of this cluster-randomized trial is to examine whether daily consumption of β-carotene biofortified maize flour can reduce the prevalence of vitamin A deficiency and improve the vitamin A status and among 4-8 year old…
- Trial name
- NCT01695148
- Testing
- β-Carotene Biofortified Maize Flour, White Maize Flour
- Where
- Zambia
- Volunteers
- 1,228 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health