Clinical trials: Dietary Exposure
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
Nutrition Disorders, Metabolic Disorders
Nutritional Metabolomics: the Search for Dietary Exposure Variables
In the post-genomic era, a major challenge for health research is to understand the complex interactions among genetic, environmental and lifestyle factors including dietary intake.
- Trial name
- NCT02039596
- Testing
- Diet
- Where
- Sweden
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Göteborg University
Colorectal Cancer, Somatic (Diagnosis)
Mycotoxin Exposure and Dietary Habits in Colorectal Cancer Prevention and Development Among Polish Population
The aim of the study is the determination of the zearalenone and its metabolites (α and β) level in the blood plasma and faeces of patients at increased risk of cancer, in relation to the nutrition data (FFQ) and information on…
- Trial name
- NCT04152265
- Testing
- colonoscopy, questionnaires, demographic data collections
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Warmia and Mazury in Olsztyn
Brain, Aging
Biobank and Brain Health in Bordeaux.
B cube is a new generation cohort to study the determinants and natural history of brain aging, using molecular epidemiology, in a representative sample (N=2000) of the general population from the age of 55 (the approximate age…
- Conditions
- Brain, Aging, Cognitive Aging, Immunosenescence
- Trial name
- B-cube (NCT05322343)
- Testing
- Questionnaires, Fasting blood sampling., Saliva collection and nasal or nasopharyngeal swab
- Where
- France
- Volunteers
- 2,050 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Brown Adipose Tissue, Metabolic Disease
Brown Adipose Tissue as Nutrient Buffer Through Diet Induced Thermogenesis
To test the hypothesis that active BAT improves metabolic health by buffering postprandial metabolites plasma metabolites and energy expenditure will be compared in volunteers with and without active BAT.
- Trial name
- BANDIT (NCT06078345)
- Testing
- Carbohydrate, Fat, Protein
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Dietary Exposure
Tasting Plant Forward Meals
This study aims to examine how the amount of potato and form of potato within a meal impacts intake and acceptability of other non-starchy vegetables.
- Trial name
- NCT07202988
- Testing
- vegetable combination 1, vegetable combination 2, vegetable combination 3
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Sara Maksi
Mental Health, Child Wellbeing
Generation Victoria Cohort 2020s: A Statewide Longitudinal Cohort Study of Victorian Children and Their Parents
Generation Victoria (GenV) is a longitudinal, population-based study of Victorian children and their parents that will bring together data on a wide range of conditions ,exposures and outcomes.
- Conditions
- Mental Health, Child Wellbeing, Infant Health, Child Health
- Trial name
- GenV (NCT05394363)
- Where
- Australia
- Volunteers
- 150,000 people, healthy volunteers welcome
- Sponsor
- Murdoch Childrens Research Institute
Dietary Exposure
The Effect of Eucaloric High-Protein Fiber Diet in Healthy Adults: A Repeated Single-Arm Clinical Trial
The aims of this study is to investigate the effect of eucaloric high protein and fiber diet on healthy subjects.
- Trial name
- NCT05455164
- Testing
- Isomalto Oligosaccharide
- Where
- Indonesia
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Universitas Katolik Widya Mandala Surabaya
Healthy, Dietary Supplement
Efficacy of Fish Oil or Olive Oil Supplementation on the Health Effects of Ozone Exposure in Healthy Young Subjects
Purpose: A growing body of epidemiological data suggests an increased risk of cardiovascular events associated with air pollution.
- Trial name
- OMEGOZ (NCT03395119)
- Testing
- Ozone, Fish Oil, Olive Oil
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Obesity, Adolescent Obesity
Exposure to CARDIovascular Risk Assessed by Cardiac Adiposity in oBese adOlescents Eligible to a Residential Long-term Lifestyle Intervention by Diet and eXercise (CARDIBOX)
The high prevalence of childhood obesity is a major public health issue, worldwide. Childhood obesity is associated with a high risk of cardiovascular events in adulthood, but recent studies also point out the development of…
- Trial name
- CARDIBOX (NCT04310371)
- Testing
- 3-month lifestyle intervention
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Diet Habit, Diet Modification
Interaction of Salivary Proteins and Polyphenols
Participants will be chosen through an initial sensory test to find high and low-perceivers of astringency. Selected participants will drink a chocolate milk or milk substitute beverage for one week each with washout weeks in…
- Conditions
- Diet Habit, Diet Modification, Taste, Altered, Saliva Altered
- Trial name
- NCT03501238
- Testing
- Chocolate Milk, Chocolate milk substitute, Chocolate milk substitute with gelatin
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Purdue University
Vitamin D Deficiency
Vitamin D and Health Status of British African-Caribbean Women
Vitamin D deficiency remains a global public health issue (Wilson 2017). In the United Kingdom (UK). There is a lack of research looking at vitamin D status of the British African-Caribbean population.
- Trial name
- NCT04179370
- Testing
- N/A - no intervention. Observational study.
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Dietary Exposure
Testing "Ultraprocessed" Front-of-package Label Among Brazilian Consumers
The goal of this experiment is to test the effects an "ultraprocessed" warning label on foods and beverages among Brazilian consumers.
- Trial name
- NCT05842460
- Testing
- Nutrient warning labels, Nutrient and ultraprocessed warning labels
- Where
- United States
- Volunteers
- 1,007 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Dietary Exposure
Effects of L-arginine and L-citrulline Supplementation on Muscle Respiration
The objective of this trial is to determine the effects of dietary supplementation with the amino acids, L-arginine and L-citrulline, on endurance performance and mitochondrial respiration in healthy men compared to…
- Trial name
- NCT03998800
- Testing
- Dietary Supplement, Endurance exercise on a cycle ergometer
- Where
- United Kingdom
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Loughborough University
Healthy Individuals
FIRE-Diet: Food as an Intervention to Reduce the Effects of Woodsmoke Exposure on Respiratory Health
Research suggests that consuming more fatty fish, fruits, and vegetables could potentially shield the lungs from the negative impacts of air pollution.
- Trial name
- FIRE-Diet-M (NCT06711614)
- Testing
- Intervention Diet, Control Diet
- Where
- Canada
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Environmental Exposure, PFAS Exposure
Effect of a Dietary Supplement Versus Placebo on Serum PFAS Levels in Male Firefighters
This study is designed to evaluate the effect of a probiotic dietary supplement containing Streptococcus salivarius on serum PFAS levels in male firefighters with documented occupational PFAS exposure, following twice-daily use…
- Trial name
- AFCRO202 (NCT07846371)
- Testing
- Streptococcus salivarius 46-SL1
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Cambiotics ApS
Environmental Exposure
Pharmacokinetics of Benzo[a]Pyrene: Impact of Diet
Evaluation of the pharmacokinetics for [14C]-benzo[a]pyrene ([14C]-BaP) and metabolites in plasma and urine over 48 hours following a 50 ng dose (5.4 nCi) alone, following 7 days' consumption of Brussels sprouts, and following 7…
- Trial name
- NCT03802721
- Testing
- [14C]-benzo[a]pyrene, Brussels sprouts before 50 ng dose, DIM supplement before 50 ng dose
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Oregon State University
PTSD, Cardiovascular Disease
Lifestyle and Cardiometabolic Risk in Post-9/11 Veterans
Heart disease and diabetes are leading causes of death and disability in the US, especially among Veterans. Posttraumatic stress disorder (PTSD) is a disabling condition that also affects many Veterans.
- Conditions
- PTSD, Cardiovascular Disease, Metabolic Syndrome
- Trial name
- NCT04911153
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Food Preferences
Sweet Tooth: Nature or Nurture? Role of Long-term Dietary Sweetness Exposure on Sweetness Preferences
In recent years, social pressure has been exerted towards lowering sugar and sweetness levels in foods, with the aim of decreasing the sweetness preference of the general population.
- Trial name
- NCT04497974
- Testing
- Dietary intervention
- Where
- Netherlands
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Wageningen University
Biomarkers, Food Intake
Identification of New Biomarkers of Banana and Tomato Intake
The intake of fruits and vegetables has been associated to a lower risk of developing metabolic diseases and cancer. The intake of tomato has been proposed to decrease the risk of prostate cancer while the high content of…
- Trial name
- BioBanaTom (NCT03581955)
- Testing
- Banana Cavendish, Tomato, Fresubin ® 2kcal fiber neutral flavor
- Where
- France
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Claudine MANACH