Clinical trials: Carotenoids
Raman Spectroscopy, Children, Only
The Effect of a Nutrient Dense Food on the Skin CarotenoidLevels of School Age Children
Background: In a previous study, children who consumed a high-carotenoid juice over 8 weeks significantly increased skin carotenoid levels as compared to children who consumed a placebo juice.
- Trial name
- NCT03146715
- Testing
- Feeding trial
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Utah State University
Cardiovascular Disease
Bioavailability of Carotenoids Added Into Processed Foods
Carotenoids are a family of pigments found abundantly in fruits and vegetables. They are responsible for the colour of many fruits and vegetables such as tomatoes, melon, peppers and orange coloured fruits and vegetables.
- Trial name
- CAROTFoods (NCT02246985)
- Testing
- Control, Vegetable bread only, Plain bread with vegetable mayonnaise
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Aberdeen
Eating Behavior
Healthy Online Parental Education Project to Increase Fruit and Vegetable Intake and Active Playtime Among Toddlers
The research proposal will be an 8-week randomized control trial (RCT) to examine the efficacy of an eHealth intervention, namely Healthy Parental Online Education (HOPE), on fruit and vegetable intake and active playtime among…
- Trial name
- HOPE (NCT05085041)
- Testing
- Multi-Component eHealth Intervention, namely Healthy Online Parental Education (HOPE)
- Where
- United States
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Texas Tech 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
Night Blindness
Treatment of Congenital Stationary Night Blindness With an Alga Containing High Dose of Beta Carotene
To assess the effect of oral administration of the alga Dunaliella bardawil containing approximately 50% all-trans beta-carotene and 50% 9-cis beta-carotene isomers on visual functions patients with Congenital Stationary Night…
- Trial name
- NCT00569023
- Testing
- alga Dunaliella bardawil
- Where
- Israel
- Volunteers
- 7 people
- Sponsor
- Sheba Medical Center
Gastrointestinal Tract Cancer
Serum Carotenoids and Risk of Gastrointestinal Tract Cancer: Meta-analysis of Ten Studies
Previous studies have suggested that serum carotenoids may be associated with risk of gastrointestinal tract cancer (GIT cancer), but the results were inconsistent.
- Trial name
- NCT03433092
- Testing
- serum carotenoids
- Where
- China
- Volunteers
- 40,641 people
- Sponsor
- Yong Zhou
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
Vasomotor Symptoms
Goji Berry and Vasomotor Symptoms Pilot Study
The goal of this clinical trial is to compare two forms of goji berry powder-whole goji berry powder and goji juice powder-in peri- and postmenopausal women aged 40-65 years who experience frequent vasomotor symptoms (hot…
- Trial name
- GOJI-VMS (NCT07660315)
- Testing
- Goji Berry Juice Powder, Goji Berry Powder
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
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
Healthy Infants
Influence of Inflammation on Micronutrient Status Assessment
Inflammation can influence several biochemical measurements those commonly used to interpret micronutrient status in children. Our primary objective is to investigate the effects of inflammation on several biochemical…
- Trial name
- NCT03801161
- Testing
- Pentavalent vaccine. It is a combination of five different antigens (Hepatitis B (HBV)/ Haemophilus influenzae type b (HiB) / Tetanus-Diphtheria-whole cell Pertussis (TDwP)).
- Where
- 2 sites in Bangladesh
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
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
Antioxidant Role of the Lutein in Preterm Newborn
Early Administration of the Lutein/Zeaxanthin in Premature Newborns
Premature birth is the most common cause of mortality, morbidity and disability. Premature infants have a higher risk of developing damage in the eyes (retinopathy of prematurity ROP), in the central nervous system…
- Trial name
- NCT03340103
- Testing
- LUTEIN ofta 0,5 gocce
- Where
- 4 sites in Italy
- Sponsor
- Sooft Italia
Hyaline Membrane Disease, Necrotizing Enterocolitis of Newborn
The Effect of β-Carotene, Vitamin D3 and Zinc on Hyaline Membrane Disease and Feeding Intolerance in Premature Neonates
Hyaline membrane disease, now commonly called respiratory distress syndrome (RDS), and feeding intolerance, which can lead to necrotizing enterocolitis (NEC), are two key morbidities found in premature neonates which resulted in…
- Trial name
- NCT03366584
- Testing
- Beta carotene, Vitamin D3, Zinc
- Where
- Indonesia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Age-Related Macular Degeneration
Effects of Goji vs. Fiber on Macular Degeneration
The goal of this project is to conduct a clinical trial in 60 participants ranging from age 65-95 who are at risk for age-related macular degeneration (AMD).
- Trial name
- GOJI (NCT06237127)
- Testing
- Goji berry, Fiber
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Wrinkle, Skin Red
Influence of Mango Intake of Skin Health in Postmenopausal Women
This study aims to investigate the effects on 16 weeks of mango intake on skin health in postmenopausal women. Half of the participants will receive 85g portions of mangoes while the other half receive 250g portions of mangos.
- Trial name
- MSS (NCT03590756)
- Testing
- 16 weeks mango intake
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
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
Bioavailability
Effect of Iron and Zinc Supplementation on B-carotene Bioavailability in Healthy Males
In vitro studies found supplemental levels of iron and zinc to inhibit the micellization and cellular uptake of β-carotene. Here, we investigated this in vivo, in a double-blind 3-arm crossover human trial.
- Trial name
- NCT05840848
- Testing
- Control beta-carotene supplement plus iron Supplement, Control beta-carotene supplement plus zinc Supplement
- Where
- Germany
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Hohenheim
Thigh Cellulite
Pilot Study of Naringenin Beta Carotene Cream for Local Fat Reduction (SCULPT)
this study tests the hypothesis that naringenin, beta carotene and menthol cream when applied to one thigh and a placebo cream to the other twice a day will result in greater loss of girth, smoother appearance of the skin and a…
- Trial name
- SCULPT (NCT07862920)
- Testing
- Thigh Reduction Cream
- Volunteers
- 10 people
- Sponsor
- Frank Greenway
Healthy
Bioavailability of Golden Rice Carotenoids in Humans
This investigation protocol uses an isotope reference method to evaluate bioavailability of ß-C in rice and its bioconversion to vitamin A.
- Trial name
- NCT00680355
- Testing
- golden rice, corn oil 0g, corn oil 10g
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Tufts University
Eye Health, Age-related Macular Degeneration
Impact of Regular Consumption of Grapes on Eye Health in Singapore Older Adults
Aging epidemics in Singapore are rapidly increasing and Age-related macular degeneration (AMD) prevalence is significantly associated with older age.
- Trial name
- NCT05064865
- Testing
- Freeze-dried table grape powder
- Where
- Singapore
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- National University of Singapore