Clinical trials: Effect of Diet on Microbiome Composition
Diet, Healthy, Systemic Inflammatory Response
Effect Dietary Fibre Supplementation on Gut Microbiota Composition
The study involves taking pectin fibre at increasing doses ranging from 5g, 10g and 15g for a total period of 6 weeks with the increase every 2 weeks.
- Trial name
- NCT06758570
- Testing
- Pectin dosages
- Where
- United Kingdom
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Elizabeth Simpson
Diet, Healthy, Metabolic Disease
Effects of Changing Intestinal Transit Time on Gut Microbial Composition and Metabolism
The aim of this study is to investigate how a short versus a long transit time impacts the gut microbiome's response to a high-fiber and a low-fiber diet, respectively.
- Trial name
- PRIMA-KOST (NCT06022302)
- Testing
- Diet + laxative, Diet only
- Where
- Denmark
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Impact of Dietary Chages Directed by Medical Nutrition Therapy on Gut Microbiome Composition
Ambrosia: Evaluating the Effects of a Food-As-Medicine Platform on Gut Microbiome Composition and Metabolism
The objective of this study is to test whether dietary behavior modification impacts diet quality and stool microbiome composition and metabolism using microbial whole genome sequencing, targeted metabolomics, and immune…
- Trial name
- NCT06091813
- Testing
- Nutrition Counseling
- Where
- United States
- Volunteers
- 546 people, healthy volunteers welcome
- Sponsor
- Persephone Biosciences
Pilot Study
How Differences in the Composition of Microorganisms in the Soil Affect the Microorganisms in the Human Gut, Through the Vegetables That Grow in it: a Process Pilot Study With Healthy Participants
There are two objectives for this clinical trial. The first is to test whether, with the current logistics and study setup it is possible to perform the study well and see where there might be bottlenecks we couldn't predict.
- Trial name
- HUMANITAS (NCT07742319)
- Testing
- Low diversity vegetable smoothie, High diversity vegetable smoothie
- Where
- Netherlands
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Leiden University Medical Center
Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure
Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure
The purpose of the study is to determine the effectiveness of wild blueberries on cardiovascular health, cognitive function, and gut microbiota composition in non-Hispanic Black and White adults with elevated blood pressure.
- Conditions
- Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure, Male, Female
- Trial name
- NCT06735599
- Testing
- Wild Blueberry
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Georgia State University
Nutrition, Ketogenic Diet
Dietary Macronutrients and Gut Microbiota, Inflammation, and Metabolic Markers
This 12-week randomized controlled trial will investigate the effects of dietary patterns with different macronutrient compositions on gut microbiota, intestinal inflammation, gene expression, and metabolic health in healthy…
- Conditions
- Nutrition, Ketogenic Diet, Gene Expression, Diet
- Trial name
- DIETMICRO (NCT07672691)
- Testing
- Ketogenic Diet (KD), Vegetarian Diet (VD), Control Diet (CD)
- Where
- 2 sites in Poland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The Jerzy Kukuczka Academy of Physical Education in Katowice
Microbiome, Metabolic Syndrome
Dietary Fibers Effect on the Gut Microbiota Composition
The randomized double-blinded placebo-controlled multicenter study will be held in parallel groups. During 5 weeks the efficacy of different endpoints as a measure of response to the daily intake of dietary fibers (8 g of either…
- Conditions
- Microbiome, Metabolic Syndrome, Cardiovascular Risk Factor, Inflammation
- Trial name
- NCT04114513
- Testing
- Maltodextrin, Inulin, Pectin
- Where
- Russia
- Volunteers
- healthy volunteers welcome
- Sponsor
- Atlas Biomed
Short Chain Fatty Acids Concentration in Stools, Gut Microbiota Diversity and Composition
Effects Of Dietary Fats on Gut Microbiota Composition and Metabolic Activity in Healthy Adults
This study will investigate how adding a specific type of dietary fat to daily meals for two weeks affects the gut bacteria and their activity.
- Conditions
- Short Chain Fatty Acids Concentration in Stools, Gut Microbiota Diversity and Composition, Blood Lipid Profiles, Inflammation Biomarkers
- Trial name
- NCT07550023
- Testing
- Butter, Coconut oil, Extra Virgin Olive Oil
- Where
- United Kingdom
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Glasgow
Obesity, Childhood
Combining Prebiotic and Diet/Physical Activity Educational Program Effects on Body Composition and Intestinal Microbiota in Children
The purpose of this study was to determine the feasibility, acceptability, and initial efficacy of combining prebiotic (Beneo Synergy 1) and calcium treatment with Project FUN (an online nutrition and physical activity program)…
- Trial name
- NCT05671731
- Testing
- Beneo Synergy 1, Project FUN
- Volunteers
- 123 people, healthy volunteers welcome
- Sponsor
- Marquette University
Infant Growth, Infant Body Fat
Effect of Protein From Complementary Foods on Infant Growth, Body Composition and Gut Health
Current research shows that dairy protein accelerates infant weight gain, which is a risk factor for later on obesity and metabolic syndrome. However, dietary protein from other sources haven't been studied yet.
- Conditions
- Infant Growth, Infant Body Fat, Infant Gut Microbiome
- Trial name
- NCT02142647
- Testing
- a high-protein complementary diet with meat, a high-protein complementary diet with dairy
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Diet, Healthy
The Effects of Dietary Fibres on Metabolic Health and the Gut Microbiome
The study involves intake of dietary supplements, which are commonly found in the UK diet (not pharmacological agents) to test their effects on inflammation in the body and gut microbiome composition.
- Conditions
- Diet, Healthy, Systemic Inflammatory Response
- Trial name
- NCT06580132
- Testing
- Pectin, Maltodextrin
- Where
- United Kingdom
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Elizabeth Simpson
Effect of Diet on Microbiome Composition
Controlled Feeding Experiment
The purpose of this study is to determine the effect of dietary fat, in standard formulation, on the composition of the human microbiome in a prospective study of normal volunteers.
- Trial name
- CaFE (NCT00951756)
- Testing
- High fat diet
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- James Lewis
Healthy Diet, Gastrointestinal Microbiome
Study the Effect of Water Kefir Consumption on the Gut Microbiome in Healthy Adults
The goal of this intervention study is to analyse the microbiota composition after the water kefir consumption. The main questions are to evaluate the potential probiotic drink can have beneficial effect on the gut microbiota.
- Conditions
- Healthy Diet, Gastrointestinal Microbiome, Probiotics
- Trial name
- NCT05657730
- Testing
- Water Kefir beverage
- Where
- Sweden
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Lund University
Diet Habit, Microbial Colonization
Effect of Diet on the Microbiota / Endoccanabinoidome Axis in Response to Physical Activity
Both the endocannabinoid system and the microbiome are highly conditioned by nutrition and physical activity, and have an interdependent, bidirectional relationship.
- Conditions
- Diet Habit, Microbial Colonization, Activity, Motor
- Trial name
- PerOME (NCT04766528)
- Testing
- 3 maximal aerobic tests
- Where
- Canada
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Laval University