Clinical trials: Carotenoid
Food Insecurity, Carotenoid Status
Produce Prescriptions and Veggie Meter Scores for College Food Security
The goal of this pilot intervention study is to learn if providing weekly produce boxes helps college students who struggle to afford healthy food. It will also test if this program is practical to run on a college campus.
- Conditions
- Food Insecurity, Carotenoid Status, Produce Prescription
- Trial name
- NCT07511699
- Testing
- Produce boxes
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Fruit and Vegetable Consumption in Children, Fruit and Vegetable Consumption
Fruit and Vegetable Study - Pilot
Arizona State University is studying how local schools and grocery stores can work together to promote fruits and vegetables and support healthy eating among children and families.
- Conditions
- Fruit and Vegetable Consumption in Children, Fruit and Vegetable Consumption, Fruit and Vegetable Selection in the Lunchroom, Caregiver Nutrition
- Trial name
- FFVP+ Pilot (NCT07727746)
- Testing
- FFVP+, FFVP-only
- Where
- United States
- Volunteers
- 880 people, healthy volunteers welcome
- Sponsor
- Arizona State University
Male Infertility
Effect of Eurycoma Longifolia (DLBS5055) and Multivitamins (Vitamin C+Vitamin E+ β-carotene) for Infertile Males
Infertility is defined as the inability of a couple to get pregnant after one year of regular and unprotected sexual intercourse.
- Trial name
- NCT06100432
- Testing
- DLBS5055 200mg, Multivitamin (Vitamin C 500mg + Vitamin E 100IU + Beta Carotene 10000IU)
- Where
- Indonesia
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Duta Wacana Christian University
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
Vitamin A Deficiency
Vitamin A Equivalence of Plant Carotenoids in Children
Our objectives will be to test the following hypotheses and to make the following determinations: (1) The absorption and bio-conversion of provitamin A carotenes taken by children are different between spinach, Golden Rice, and…
- Trial name
- NCT00680212
- Testing
- dietary carotenoids, spinach, rice, and synthetic beta-carotene
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Tufts University
Obesity, Gut Microbiota Modulation
ESAN III - Energy Sensing in Depression
The purpose of this study is to assess the effects of carotenoids from natural carrot juice on the immune system. Therefore, the study aims to distinguish the effects of natural juices that are rich in phytonutrients such as…
- Conditions
- Obesity, Gut Microbiota Modulation, Immunomodulation
- Trial name
- NCT06985381
- Testing
- Carotenoid-rich juice, Control
- Where
- Austria
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Biological Availability
Dose-response Effects of Soybean Oil in Salad Dressing on Carotenoid/Fat-soluble Vitamin Bioavailability in Salad Vegetables
The objectives will be to evaluate the dose-response between the amount of soybean oil in salad dressing and the absorption of: 1) carotenoids, phylloquinone, and tocopherols in salad vegetables; 2) retinyl palmitate formed from…
- Trial name
- NCT02867488
- Testing
- Soybean oil in salad dressing
- Sponsor
- Iowa State University
Neoplasms
Beta-carotene and Alpha-tocopherol Chemoprevention of Second Primary Malignancies in Head and Neck Cancer Patients
Epidemiologic studies suggest that low dietary intakes and low plasma concentrations of antioxidant vitamins and minerals are associated with increased risks of cancer, especially for epidermoid tumors.
- Trial name
- NCT00169845
- Testing
- Alpha-Tocopherol and Beta-Carotene
- Where
- Canada
- Volunteers
- 540 people
- Sponsor
- Laval University
Resonance Raman Spectroscopy for Dietary Carotenoid Intake
Carotenoid Response to the Intake of Vegetables and Fruits
The purpose of this study is to validate the non-invasive tool, resonance Raman spectroscopy for assessing vegetable and fruit consumption.
- Trial name
- NCT01403844
- Testing
- Carotenoid Depletion, Carotenoid Repletion, Natural Repletion
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- USDA Grand Forks Human Nutrition Research Center
Fruit and Vegetable Consumption
You Are What You Eat: A Randomised Controlled Trial of an Appearance-based Dietary Intervention
This study investigated whether illustration of the facial appearance benefits of fruit and vegetable consumption is able to motivate increased intake of this food group.
- Trial name
- NCT01511484
- Testing
- Information-only, Generic appearance intervention, Personalised appearance intervention
- Where
- United Kingdom
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Perception Lab
Beta-carotene Bioavailability, Vitamin A Deficiency
Effect of SNPs in the BCMO1 Enzyme
Summary: Chronic intake of foods low in vitamin A (retinol) and provitamin A forming an unbalanced diet with little variety is common in young individuals in the United Kingdom (UK) population and can lead to subclinical…
- Trial name
- BETASNP2 (NCT02276014)
- Testing
- Beta-carotene
- Where
- United Kingdom
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Newcastle-upon-Tyne Hospitals NHS Trust
Healthy
Novel 13C Carotenoids for Absorption and Metabolism Studies in Humans
Tomatoes contain several compounds which may be beneficial for human health and prevention of disease, although this relationship is poorly understood and very controversial.
- Trial name
- NCT01692340
- Testing
- Isotopically labeled lycopene, phytoene or phytofluene
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Ohio State University Comprehensive Cancer Center
Overweight , Obesity, Antioxidant Status
Impact of Antioxidant-rich Supplementation on Skin Carotenoids Status, Antioxidant Status and Cardiometabolic Health in Overweight and Obese Individuals
This study aims to evaluate the effects of antioxidant-rich supplementation on skin carotenoid status, antioxidant status, and cardiometabolic health in overweight and obese individuals.
- Trial name
- NCT07748468
- Testing
- Antioxidant-rich supplementation Element, Antioxidant-rich supplementation Optimal
- Where
- Singapore
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Biological Availability of Vitamins and Micronutrients
Effect of Genetic Variants on Fat-soluble Vitamin Bioavailability
The aim was to identify minor genetic variations (single nucleotide polymorphisms) that explain the interindividual variability in bioavailability of fat soluble micronutrients (fat soluble vitamins and carotenoids).
- Trial name
- VITAGENES (NCT02100774)
- Where
- France
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
Age-Related Macular Degeneration
Effects of Xanthophylls on Optical Density
The objective of the study was to investigate the influence of a intervention with lutein und zeaxanthin from crucifers on the optical density of the macular pigment of patients with non exudative age-related maculopathy.
- Trial name
- NCT01316198
- Testing
- Verum
- Where
- Germany
- Volunteers
- 20 people
- Sponsor
- University of Jena
Eye Fatigue, Diet, Healthy
Lutein Supplementation in Healthy Children
This is a single site, randomized, double-blind placebo controlled parallel arm study assessing the effects of 6 months lutein supplementation on cognitive and visual outcomes in healthy children exposed to excessive digital…
- Conditions
- Eye Fatigue, Diet, Healthy, Cognitive Change
- Trial name
- NCT05314647
- Testing
- lutein
- Where
- United States
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Northcentral University
Overweight, Obesity
The Effect of PD01 on Cardiovascular Health and Microbial Environment
This randomized, placebo-controlled trial aims to determine the effects of daily administration of a carotenoid-producing Bacillus strain PD01 over a 6-week period on cardiovascular health biomarkers, microbiota composition and…
- Trial name
- NCT02622425
- Testing
- PD01
- Where
- Netherlands
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Psoriasis
The Effect of Alga Dunaliella Bardawil on Psoriasis
This is a double blind, parallel group, randomized study with 12 weeks of daily oral administration of Dunaliella or placebo in psoriasis patients.
- Trial name
- NCT01628081
- Testing
- Dunaliella Bardawil
- Where
- 2 sites in Israel
- Volunteers
- 46 people
- Sponsor
- Sheba Medical Center
Lower Urinary Tract Symptoms, Benign Prostatic Hyperplasia
Open-Label Extension Study of MCS-2 in the Treatment of Lower Urinary Tract Symptoms
This is an open-label extension study of another study protocol, MCS-2-TWN-a. Subjects who have completed the 12-week treatment and procedures under the protocol MCS-2-TWN-a will be eligible for this study.
- Trial name
- MCS-2-TWN-c (NCT01002274)
- Testing
- MCS-2
- Where
- Taiwan
- Volunteers
- 180 people
- Sponsor
- Health Ever Bio-Tech Co., Ltd.
Skin Cancer, Basal Cell Carcinoma
Correlation Between Skin Carotenoid Levels and Previous History of Skin Cancer
The purpose of this study is to determine the difference of skin carotenoid levels between subjects with previous squamous cell carcinomas (SCC), subjects with previous basal cell carcinomas (BCC) and a control group.
- Conditions
- Skin Cancer, Basal Cell Carcinoma, Squamous Cell Carcinoma
- Trial name
- NCT00836342
- Where
- United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital