Clinical trials: Vegetarian Diet
Obesity
Vegetarian High Protein Weight Loss Diets
This study aims to investigate the mechanistic processes involved in protein-induced satiety/satiation during weight loss in humans.
- Trial name
- ALPROsoya (NCT02080325)
- Testing
- High Protein-Weight loss-Soy diet, High Protein-Weight loss-Meat
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Aberdeen
Healthy
Revealing Microbiome Association With (Plant-based) Diet in Freshman
Aim of the study is to evaluate the impact of a vegan vs. vegetarian dietary pattern compared to an omnivore diet on body weight, saliva and stool microbiome profiles, as well as saliva, urine and plasma metabolome profile…
- Trial name
- Freshman (NCT04598022)
- Testing
- cross-sectional observation, cross-sectional follow-up observation
- Where
- Germany
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Kiel
Cardiovascular Disease
Prevention of Cardiovascular Disease With Med or Veg Diets
The study is a randomized, open, cross-over trial designed to test whether a vegetarian diet would benefit the cardiovascular risk profile of the participants, compared with a Mediterranean diet.
- Trial name
- CARDIVEG (NCT02641834)
- Testing
- Vegetarian diet, Mediterranean diet
- Where
- Italy
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliero-Universitaria Careggi
Myocardial Infarction
Vegetarian Diet and Innate Immunity in Patients With Myocardial Infarction and in Healthy Volunteers (FRESH-MI Study)
The goal of this clinical trial is to assess the effect of a vegetarian diet on innate immunity of patients with a recent acute myocardial infarction and healthy participants.
- Trial name
- FRESH-MI (NCT06209723)
- Testing
- Vegetarian diet
- Where
- Netherlands
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Vegetarian Diet
Effects of the Consumption of a Supplement Rich in Docosahexaenoic Acid (DHA) From Algae
Vegetarian diets are increasing worldwide. To prevent nutritional deficiencies, supplementation with nutrients that are only present in animal food can be needed.
- Trial name
- NCT04278482
- Where
- Spain
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- National Research Council, Spain
Nutritional Deficiencies, Quality of Life
Dietary Quality and Nutritional Adequacy Among Vegetarians Attending the European Institute of Oncology
Despite their health benefits, vegetarian dietary patterns can lead to malnutrition and micronutrient deficiencies if improperly managed, especially in oncological settings.
- Trial name
- VEGETARIANS (NCT07638839)
- Testing
- personalized nutritional counseling
- Where
- Italy
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- European Institute of Oncology
Neurofilament Light Chain, Glial Fibrillary Acidic Protein
Analysis of NfL and GFAP in Different Dietary Patterns
This observational study aims to investigate the impact of different dietary patterns on brain tissue biomarkers in healthy young adults by measuring blood levels of NfL and GFAP.
- Conditions
- Neurofilament Light Chain, Glial Fibrillary Acidic Protein, GFAP, Vegan Diet
- Trial name
- NCT07312994
- Where
- Austria
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Salzburger Landeskliniken
Healthy Diet, Microbiota
The Link Between Diets and Health Indicators
The cohort study investigates the effect of different dietary intake among omnivorous, vegan, vegetarian and low-carb diets on health parameters and on long-term overall health.
- Trial name
- DIETE (NCT04347213)
- Testing
- Regular lifestyle in different circumstances
- Where
- Slovenia
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Primorska
Healthy Volunteers, Inflammatory Bowel Disease (IBD)
Fermented Vegan Optimized Diet in Health and Colitis
The diet is assumed to contribute to many of our present non-communicable diseases. Vegetarian products are instead considered to be health promoting, However, it is not verified that the modern vegetarian and vegan products are…
- Trial name
- FAVORIT (NCT06696222)
- Testing
- Vegetarian yogurt, Vegetarian meat alternative, Ordinary meat diet
- Where
- 2 sites in Sweden
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Region Skane
Healthy Individuals
Making Meals With Pulses
The goal for this study is to determine how Americans use beans, peas, and lentils (also called pulses) as part of a meal. The researchers will investigate food choices when getting a meal or dish ready that is made of more than…
- Trial name
- NCT07451119
- Where
- United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- USDA Grand Forks Human Nutrition Research Center
Vitamin B 12 Deficiency
Dried Purple Laver (Nori) as a Food Source of Vitamin B12 in Vegetarians
This is an intervention study aiming to understand the bioavailability of vitamin B12 from nori for vegetarians.
- Trial name
- NCT05614960
- Testing
- Dried purple laver (Nori)
- Where
- Taiwan
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Fu Jen Catholic University
Dietary Modification
Creatine, Carnitine and Carnosine in Vegetarians
Balanced vegetarian diets are popular and contain health-promoting characteristics. A balanced lacto-ovo-vegetarian diet differs in nutrient intake from an omnivorous diet, e.g.
- Trial name
- NCT03194334
- Testing
- Vegetarian diet, creatine, Beta-alanine
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Ghent
Diet, Food, and Nutrition, Exercise
The NutriNet-Santé Study
The NutriNet-Santé study was set up to investigate nutrition and health relationships. Specifically, it was the first web-based cohort worldwide on such a large scale (n=171 000 as of 2021) focused on the complex link between…
- Conditions
- Diet, Food, and Nutrition, Exercise, Diseases Category, Cohort Studies
- Trial name
- NCT03335644
- Where
- France
- Volunteers
- 170,000 people, healthy volunteers welcome
- Sponsor
- University of Paris 13
Dementia, Depression
Vegetarian Diet and Chronic Degenerative Diseases
To investigate the prospective association between a vegetarian diet and chronic degenerative diseases in two cohorts of Taiwanese Buddhists
- Conditions
- Dementia, Depression, Cardiovascular Diseases, Stroke
- Trial name
- NCT03470584
- Testing
- Diet Exposure
- Where
- Taiwan
- Volunteers
- 18,064 people, healthy volunteers welcome
- Sponsor
- Dalin Tzu Chi General Hospital
Diet Modification
Effects of Replacing Starchy Vegetables and Refined Grains With Beef on Cardio-metabolic Disease Risk Factors (S53)
The purpose of this study is to assess the effects of replacing starchy vegetables and refined grains with beef in a vegetarian diet on cardio-metabolic disease risk factors in adults in a cross-over, randomized controlled…
- Trial name
- NCT03925142
- Testing
- Controlled healthy vegetarian diet, Controlled beef diet
- Where
- United States
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Purdue University
Nutritional Evaluation
Nutritional Evaluation - NuEva Study
The NuEva study focusses on the development and the validation of nutritional concepts for healthy persons with different dietary habits, such as Western diet, flexitarians, vegetarians, as well as vegans.
- Trial name
- NuEva (NCT03582020)
- Testing
- menu plans
- Where
- Germany
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- University of Jena
Diet, Vegetarian, Diet, Vegan
Nutritional and Metabolic Status of Vegetarian and Omnivorous Portuguese Adults
Vegetarian diets have low environmental footprints and are potential solutions to address climate change and the 2030 Agenda on the Sustainable Development Goals.
- Conditions
- Diet, Vegetarian, Diet, Vegan, Nutritional Status, Metabolic Profile
- Trial name
- VeggieNutri (NCT05408962)
- Testing
- Blood and urine collection, anthropometric analysis and answering to questionnaires
- Where
- Portugal
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Universidade do Porto
Obesity, Metabolic Changes
Metabolic Effects of Diet-Exercise Interventions in Obesity
This study investigates the effects of different dietary strategies (ketogenic diet, intermittent fasting, and semi-vegetarian diet), alone or in combination with a structured home-based exercise program, on anthropometric…
- Conditions
- Obesity, Metabolic Changes, Hormonal Changes
- Trial name
- NCT07695480
- Testing
- Home-Based Exercise Program, Semi-Vegetarian Diet, Intermittent Fasting
- Where
- Turkey (Türkiye)
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Firat University
Cardiovascular (CV) Risk, Nutrition
Diet and Cardiometabolism in Rosario
The DiCaMeR study is an observational, cross-sectional study aimed at evaluating the relationship between dietary patterns and cardiometabolic health in adults.
- Conditions
- Cardiovascular (CV) Risk, Nutrition, Cardiometabolic Health Indicators
- Trial name
- DiCaMeR (NCT07247487)
- Testing
- Vegan diet, Vegetarian diet, Omnivorous diet
- Where
- 2 sites in Argentina
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Universidad del Centro Educativo Latinoamericano
Other Endothelial Dystrophy
The Effect of Plant-based Diets (Vegetarian and Vegan) on Endothelial Function and Atherogenic Parameters
The investigators' hypothesis is that a plant-based diet may be beneficial if nutritional deficiencies will be corrected. The aims of the present proposal are to 1) study endothelial functions of subjects on well-defined…
- Trial name
- NCT02153138
- Testing
- Endo-pat 2000, carotid intima media thickness Ultrasound, Dexa- Bone densitometer & Bone ultrasonometer System
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Tel-Aviv Sourasky Medical Center