Clinical trials: Healthy Gut Microbiota
Healthy Men and Women
Effects of an Organic Plant-rich Diet on Gut Microbiome and Vascular Function (ORGAMIC Pilot Study)
Previous work have shown that consumption of foods rich in polyphenols, such as berries and cocoa, led to beneficial changes in the gut microbiota composition, as well as improvements in biomarkers of cardiovascular disease risk…
- Trial name
- NCT04276974
- Testing
- Organic diet, Non-organic diet
- Where
- United Kingdom
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- King's College London
Healthy, Constipation
Dairy Products to Your Gut and Brain
The goal of this intervention study is to compare the effects of fermented dairy and non-fermented dairy on bowel habits and cognitive performance in healthy women with defecations every other day or less.
- Trial name
- YourGutBrain (NCT06311097)
- Testing
- Fermented dairy, Non-fermented dairy
- Where
- Denmark
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Occasional Constipation, Gastrointestinal Health
A Clinical Trial to Investigate the Efficacy of Acacia Fiber on Gastrointestinal Health and Microbiota Composition in Healthy Adults With Occasional Constipation
The goal of this randomized blinded placebo-controlled clinical trial is to investigate the effect of low- and high-dose supplementation of Acacia fiber on gut health and microbiota composition in adults with occasional…
- Conditions
- Occasional Constipation, Gastrointestinal Health, Gut Microbiota Composition
- Trial name
- NCT07703254
- Testing
- Low-dose Acacia fiber, High-dose Acacia fiber
- Where
- Canada
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Nexira
Cognitive Function and Mood, Cerebral Blood Flow
The Effects of Resveratrol Supplementation on Cognition, Cerebral Blood Flow, Microbiota and Systemic Inflammation.
Previous research shows that a diet high in fat has harmful effects on gut health. This increases the chance of developing obesity-related diseases (such as type 2 diabetes) and disrupts cognition and mood.
- Conditions
- Cognitive Function and Mood, Cerebral Blood Flow, Systemic Inflammation, Gut Microbiota
- Trial name
- NCT03448094
- Testing
- Resveratrol
- Where
- United Kingdom
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Blood Glucose, High
A Personal Microbiome-dependent Glucose Response in Healthy Young Volunteers
Individuals eating identical meals present high variability in post-meal blood glucose response making comparisons challenging. This study evaluates in 40 healthy and fasted participants whether the postprandial glucose response…
- Trial name
- MIGLUCOSE (NCT03686293)
- Testing
- Standardized breakfast
- Where
- Denmark
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Healthy Subjects, Pre-diabetes
Red Raspberry Polyphenols on Gut Microbiome
The primary objective aims are to assess the effects of regular consumption of red raspberries (RRB) with and without fructooligosaccharide (FOS) on the composition of the gut microbiota after 4 week intake and in parallel…
- Trial name
- RRB2 (NCT03049631)
- Testing
- Raspberry and fructooligosaccharide, Raspberry
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
Obesity, Morbid, Insulin Resistance
Stool Transplantation for Treatment of Insulin Resistance in Morbidly Obese Patients
More and more people in Canada and around the world are severely (morbidly) obese, and this is associated with a high risk for poor blood sugar control (insulin resistance, IR) and diabetes.
- Trial name
- NCT02970877
- Testing
- Fecal filtrate from 150 g stool from healthy lean donors, Fecal filtrate from 150 g of the recipient's own stool
- Where
- Canada
- Volunteers
- 29 people
- Sponsor
- Johane Allard
Microbial Colonization
The Use of A Prebiotic to Promote a Healthy Gut Microbiome in Pediatric Stem Cell Transplant Recipients
This study will look at the effect of the prebiotic inulin compared to placebo on children undergoing stem cell transplant.
- Trial name
- NCT04111471
- Testing
- Prebiotics
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Ann & Robert H Lurie Children's Hospital of Chicago
Healthy
An Intervention on Healthy Adults of Probiotics on Gut Flora Metabolisms of Choline
The aim of the study is to examine the effects of probiotics intervention on choline metabolites and intestinal microbiota composition using a randomized double blind clinical trial.
- Trial name
- NCT03292978
- Testing
- probiotics intervention, non-probiotic control
- Where
- China
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Huilian Zhu
Healthy Volunteers
Pediatric Microbiome Study With Children Now Approximately 8-10 Years Old.
Single site study involving Biological Mothers and their children approximately 8-10 years old to assess the predominant microflora and skin physiology.
- Trial name
- NCT03485755
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Consumer Inc. (J&JCI)
Healthy Infants
Efficacy of Two HMOs in Chinese Infants
This is a randomized, controlled, double-blind, intervention trial of healthy male and female term infants to evaluate the efficacy of the 2 HMOs on beneficially modulating the gut microbiota, gut maturation, gut barrier…
- Trial name
- NCT06361719
- Testing
- Experimental Group (EG), Control Group (CG)
- Where
- China
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Healthy
Satiety, Glycemic, and Gastrointestinal Effects of Novel Fibers
Research suggests dietary fiber may play a role in weight management, and fiber consumption is inversely associated with body weight, body fat, and BMI in cross-sectional studies.
- Trial name
- NCT00958399
- Testing
- Resistant Starch, Resistant starch + soluble fiber, Fiber made from corn starch
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Nutrition, Healthy
Effect of L. Plantarum Probiotic Supplementation on Broccoli Sulforaphane Bioavailability: Randomised Double-blind Placebo-controlled Crossover Study
Broccoli has the precursor of an active compound (sulforaphane) that has shown a wide range of health promoting benefits. Sulforaphane formation depends on the conversion of glucoraphanin (precursor) by myrosinase enzyme.
- Trial name
- PRO-BROC (NCT06561893)
- Testing
- Broccoli sprouts extract supplementation
- Where
- 2 sites in United Kingdom
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Exeter
Cardiometabolic Health, Healthy Aging
Impacts of Fruit on the Gut Health and Human Health
The objectives of this study are to investigate the effect of fruit consumption on the gut microbiota and their collective fecal and plasma metabolomes, vascular and cardiometabolic functions, cognition, and motor control.
- Conditions
- Cardiometabolic Health, Healthy Aging, Cognition
- Trial name
- NCT05063929
- Testing
- Fruit (2 cup eq), Fruit restriction (1/2 cup eq)
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- San Diego State University
Parkinson Disease (PD), PARKINSON DISEASE (Disorder)
GBPDC: Gut-Brain in PD Consortium Master Protocol
The purpose of this research study is to identify the role that the gut-brain axis, the group of nerves that connect the brain and gut, plays in Parkinson's disease (PD).
- Conditions
- Parkinson Disease (PD), PARKINSON DISEASE (Disorder), Gut Microbiome, Gut Microbiota
- Trial name
- GBPDC (NCT07567794)
- Where
- 7 sites in United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Duke University
Biomarkers of B-vitamin Status and Gut Microbiome Composition
Effect of a Food Intervention With a Prebiotic Alone or Combined With B-vitamins on Gut Microbiota Diversity, Inflammation and Mental Health Outcomes in Older Adults (GutFood)
Ageing is associated with changes in gut microbiota composition, increased inflammation, and a greater risk of poor mental health outcomes.
- Trial name
- NCT07592975
- Testing
- Inulin and B-vitamins, Inulin
- Where
- United Kingdom
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Healthy
Influence of Food Matrix on Prebiotic Efficacy in Inulin Type Fructans
The aim of the study is to investigate whether the food matrix has an influence on the prebiotic efficacy (bifidobacteria growth) of chicory-derived Orafti® inulin in healthy adult volunteers.
- Trial name
- NCT05581615
- Testing
- Inulin
- Where
- United Kingdom
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Beneo-Institute
Cancer, Healthy Participants
Impact of PEG Bowel Preparation on Gut Microbiome Composition Recovery
The main objective is to evaluate the impact of intestinal preparation on the composition, diversity and metabolome of the intestinal microbiota.
- Trial name
- PEG (NCT06831539)
- Testing
- PEGLyte bowel preparation
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Healthy
Batch Fermentation and Microbiome Analysis
The correlation between diet and microbiota as well as the effect of microbiota on human health is well established. Studies have shown that people following specific diets have different microbiome profile compared to those…
- Trial name
- NCT06097130
- Where
- Switzerland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Maturation of the Healthy Infant Intestinal Microbiota, Microbial Colonization
Bern Birth Cohort / Trajectory of Microbiota Maturation in Healthy Bern Infants - a Network Approach
Background: Intestinal microbiota composition is fundamental to human health and undergoes critical changes within the first two years of life.
- Conditions
- Maturation of the Healthy Infant Intestinal Microbiota, Microbial Colonization, Nutrition Disorder, Infant, Milk Expression, Breast
- Trial name
- BeBiCo (NCT04447742)
- Where
- Switzerland
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern