Clinical trials: Microbiome Composition
Fecal Microbiota
Microbiota Diversity and Composition and Polyphenol Bioavailability
Composition and diversity of intestinal microbiota that are subject to the influence of diet have a significant impact on health in the gut and whole body via complex interactions between food constituents, bacteria, and host.
- Trial name
- NCT02677649
- Testing
- cranberry
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Tufts University
Inflammation, Women's Health
Effects of Fermented Vegetables on Gut Microflora and Inflammation in Women
This proposal will examine whether daily consumption of fermented vegetables for 6 weeks can impact the gut microflora and markers of inflammation of women between the ages of 18-70 years.
- Conditions
- Inflammation, Women's Health, Gastrointestinal Microbiome
- Trial name
- NCT03407794
- Testing
- Fermented vegetable, Non-fermented vegetable
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- University of North Florida
Colorectal Cancer, Inflammation
Reducing Metabolic Dysregulation in Dyads
This study is a 6-month randomized controlled trail of diet modification designed to reduce chronic inflammation and reverse metabolic dysfunction among obese individuals with one or more polyps found at a colonoscopy screening.
- Conditions
- Colorectal Cancer, Inflammation, Nutrition Related Cancer
- Trial name
- REMEDY (NCT06117241)
- Testing
- IMAGINE HEALTHY
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- University of South Carolina
Obesity
Gut Microbiota Composition in Hispanic and Non-Hispanic Children.
The human gastrointestinal (GI) tract is filled with millions of bacteria that can affect our health. These bacteria are linked with our overall health including obesity risk.
- Trial name
- NCT03990350
- Testing
- Fecal Sample Collection, Physical Activity Questionnaire, Food Frequency Questionnaire
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Nemours Children's Clinic
Probiotics
Effect of Probiotic Administration on Gut Flora Composition
Healthy human gut contains a large number of bacteria, which belong to several different species. Some genes in these bacteria encode enzymes that the human body cannot produce.
- Trial name
- NCT03330678
- Testing
- Probiotic (VSL#3)
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Sanjay Gandhi Postgraduate Institute of Medical Sciences
Feasibility Studies, Microbiome Composition
Study on the Association Between the Introduction of Complementary Feeding and Infant Gut Microbiome Composition
The goal of this observational study is to assess the feasibility of investigating the association between the introduction of complementary feeding and gut microbiome composition in infants.
- Conditions
- Feasibility Studies, Microbiome Composition, Complementary Feeding, Family Engagement
- Trial name
- NCT07852182
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Children's Hospital, Zurich
Obesity, Diabetes
Effects of Non-nutritive Sweeteners on the Composition of the Gut Microbiome
This pilot study is being conducted to evaluate whether consumption of diet soda sweetened with sucralose and acesulfame-potassium leads to changes in the gut microbiota.
- Trial name
- NCT02877186
- Testing
- commercially-available diet soda, carbonated water (control)
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- George Washington University
Obesity (Disorder)
Effects of Gallotannins on the Gut Microbiome and How it Affects Inflammatory Markers Among Obese Individuals.
The goal of this clinical trial is to understand how gallotannin-rich (GT-rich) mangoes can reduce the inflammatory markers in obese individuals in vitro.
- Trial name
- NCT07505212
- Testing
- Gallotannin-rich mango, Lactiplantibacillus pentosus (probiotic), No Treatment Added
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Prairie View A&M University
Microbiome
Effect of a Probiotic or Postbiotic on Gut Microbiome During Antibiotic Treatment
This study assesses the effects of a probiotic or postbiotic on gut microbiome during antibiotic treatment.
- Trial name
- POTATO-2 (NCT07594860)
- Testing
- Probiotic, Postbiotic
- Where
- Greece
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- The Archer-Daniels-Midland Company
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)
Gut Microbiome, Body Composition
Mediterranean Diet Uptake and Nutrition on Child Health, Inflammation, and Early-life Symbiosis (MUNCHIES) Study
Toddlerhood (ages 2-3) is a critical window when the gut microbiome is still developing and eating habits are being established. Yet, many Canadian toddlers eat diets high in sugar and salt, which may affect long-term health.
- Conditions
- Gut Microbiome, Body Composition, Adherence, Metabolites
- Trial name
- MUNCHIES (NCT07309536)
- Testing
- Mediterranean Diet Nutrition Program, Standard Diet Education Program
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of New Brunswick
Sleep, Gut Microbiome
Impact of Nutritional Supplementation on Sleep Quality and Gut Microbiome Composition in Older Adults
The aim of this study is to assess the impact of 5-hydroxytryptophan (5-HTP) supplementation on sleep quality and gut microbiome composition in older adults with normal cognition vs.
- Trial name
- NCT04078724
- Testing
- 5-HTP, Without 5-HTP
- Where
- 2 sites in Singapore
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
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)
Pregnancy, Gestational Weight Gain
Maternal Gestational Weight Gain and Microbiota of Maternal and Infant
A prospective, multicenter, observational cohort study including about 550 mother-infant pairs in Beijing will be conducted to evaluate the association between mothers' gestational weight gain and the gut microbiota of them and…
- Conditions
- Pregnancy, Gestational Weight Gain, Microbiota
- Trial name
- NCT03916354
- Where
- China
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Hypertension, Type 2 Diabetes
Military Health and Nutrition Examination Study
The Military Health and Nutrition Examination Study (MHANES) is a Department of Defense funded study conducted by Pennington Biomedical Research Center and the US Army Research Institute of Environmental Medicine.
- Conditions
- Hypertension, Type 2 Diabetes, Dyslipidemias, Cardiovascular Diseases
- Trial name
- MHANES (NCT06380322)
- Where
- 6 sites in United States
- Volunteers
- 648 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
Depression, Anxiety
The Influence of Probiotic Supplementation on the Severity of Anxiety and Depressive Symptoms, as Well as the Function and Composition of Gut Microbiota, Metabolic, Inflammation, and Oxidative Stress Markers in Patients With Depression
The aim of this study is to gather empirical evidence which will enable to evaluate the impact of probiotic supplementation on the severity of anxiety and depressive symptoms, function, and composition of gut microbiota…
- Trial name
- NCT05717946
- Testing
- Probiotic composed of two bacteria strains: Lactobacillus helveticus Rosell and Bifidobacterium longum Rosell., control group
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Lodz
Microbial Composition, Immune Function
Gut Microbiome Response to Long-Haul Travel in Elite Football Players
The goal of this randomised control trial is to measure the gut microbiome response to long-haul travel alongside the demands of pre-season amongst elite football players.
- Trial name
- NCT07585474
- Testing
- Probiotic Capsule
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Sheffield Hallam University
Human Milk Microbiome, Bacterial Growth
Milk in Life Conditions (MiLC): Bacterial Composition of Human Milk Pumped and Stored in "Real-Life" Conditions
The MiLC trial is a randomized control trial of two different breast pump set-ups: mother's own and sterile. The objective of this trial is to investigate the bacterial composition of human milk pumped and stored in "real-life"…
- Trial name
- MiLC (NCT03123874)
- Testing
- Sterile pump set-up, Mother's Own pump set-up
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Cornell University
Osteoporosis, Obesity
Impact of Milk and Yogurt Supplementation on Bone Health, Body Composition, and Gut Microbiota in Canadian Young Adults
Milk and dairy products contain significant amounts of nutrients that contribute to optimal health - nutrients like calcium, vitamin D, and high-quality protein.
- Trial name
- NCT06265246
- Testing
- Habitual Diet + Milk, Habitual Diet + Yogurt
- Where
- Canada
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- University of Saskatchewan
Acute Exercise, Probiotics
Probiotic Supplementation and Exercise Performance in the Heat
Endurance athletes will be invited to participate in the following study. Subjects will visit the laboratory on three occasions, each time following an overnight fast.
- Trial name
- NCT05389033
- Testing
- Probiotic bacteria
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Liverpool John Moores University