Clinical trials: Gastrointestinal Microbiome
Human Microbiota, PreTerm Birth
The Reproductive Microbiome & Perinatal Health Outcomes
Pregnant African American women between 18 and 45 years of age will be enrolled at 20 weeks of gestation or less. Biological specimens (vaginal swabs, rectal swab) will be collected at enrollment, 23-24 weeks, at 28-29 weeks, and…
- Conditions
- Human Microbiota, PreTerm Birth, Human Gastrointestinal Microbiota, Metabolomics
- Trial name
- NCT02948192
- Testing
- Survey, Sample collection
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Baylor Research Institute
Aging, Vascular Stiffness
Acetate and Age-associated Arterial Dysfunction
Cardiovascular diseases are the leading cause of morbidity and mortality and contribute most to healthcare costs in the U.S. Age is the strongest cardiovascular disease risk factor, with >90% of all deaths from cardiovascular…
- Conditions
- Aging, Vascular Stiffness, Vascular Dilation
- Trial name
- NCT05424263
- Testing
- Calcium Acetate Oral Solution, Calcium Carbonate Oral Suspension
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cognition, Affect (Mental Function)
PRECOG Pilot Project
This pilot study aims to investigate the chronic effects of a prebiotic blend on cognitive, affective and gut microbiome outcomes in healthy adults aged 60-75 years.
- Conditions
- Cognition, Affect (Mental Function), Gut Microbiome
- Trial name
- NCT06911957
- Testing
- Prebiotic blend
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Reading
Hypercholesterolemia
Measuring the Impact of Dietary Supplementation With a New Baking Product on Gut Microbiota and Cholesterol Metabolism
Study hypothesis: Diet integrated with food prepared with olive, buckwheat, peas and chestnut flour as in PreBIOil product combination can modify the gut microbiota and the cholesterol metabolism.
- Trial name
- NCT02664428
- Testing
- PreBIOil, Control
- Where
- 2 sites in Italy
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Fondazione Edmund Mach
Human Microbiome
Microbiome Composition Changes on 4 Week Gluten-free Diet Challenge
Changes in the gut microbiomes of healthy volunteers who followed a gluten-free diet (GFD) for four weeks were studied. Per participant, nine stool samples were collected: one at baseline, four during the GFD period, and four…
- Trial name
- NCT02731976
- Testing
- Dietary intervention
- Where
- Netherlands
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Gastrointestinal Discomfort
The Effect of Natural Carbonated Mineral Water Consumption on Gastrointestinal Transit and Gut Microbiota - A Randomized Controlled Trial
Gastrointestinal discomfort is a common condition associated with aging, low levels of physical activity, and reduced intake of fibre, water, and magnesium.
- Trial name
- NCT05375487
- Testing
- Natural Carbonated Mineral Water, Low Mineral Water
- Where
- Portugal
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidade Nova de Lisboa
Gut Microbiota, Metabolic Syndrome
Effect of Raspberry on Gut Microbiota and Metabolic Syndrome
There is growing evidence that nutritional intervention with dietary polyphenols can positively modulate the gut microbiota to improve cardiometabolic health.
- Trial name
- NCT03620617
- Testing
- Raspberry supplement
- Where
- Canada
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Laval University
Inflammation, Microbiota
The Role of Dietary Titanium Dioxide on the Human Gut Microbiome and Health
This proposal will quantify dietary exposure of a nano- food additive in the U.S. food supply, and determine its impact on the human gut microbiome, gut inflammation, permeability and oxidative stress.
- Conditions
- Inflammation, Microbiota, Gastrointestinal Irritation
- Trial name
- NCT05864352
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Massachusetts, Lowell
Gastrointestinal Microbiome (Focus), Gastrointestinal Symptoms
The Effect of a Synbiotic on Intestinal Barrier Function and Microbiota Modulation in Middle-aged to Elderly Individuals With Excessive Body Weight
The study is a single-center, randomized, double-blind, placebo-controlled study in middle-aged to elderly adults with excessive body weight. The study includes an 8-week intervention period followed by a 2-week follow-up period.
- Trial name
- myBIOM (NCT07453823)
- Testing
- Synbiotic
- Where
- Ireland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Chr Hansen - part of Novonesis
Brain Injuries
The Gut-Brain Axis During Neurorehabilitation; Prebiotic Treatment to Alter the Gut Microbiome and Neurologic Symptoms
The aim of this study is to characterize the microbiome of patients undergoing post-acute residential neurorehabilitation compared to community controls and to determine if a dietary fiber, Inulin, can create a shift in the…
- Trial name
- NCT06607523
- Testing
- Inulin
- Where
- United States
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Impaired Glucose Tolerance
Effects of Artificial Sweeteners on Gut Microbiota and Glucose Metabolism
The Objectives of this study is to determine the effect(s) of daily non-caloric artificial sweetener (NAS) consumption (sucralose or aspartame) on the composition of the bacteria and also to determine the changes in glucose…
- Trial name
- NCT02569762
- Testing
- Sucralose-Aspartame, Aspartame-Sucralose
- Where
- Canada
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Microbial Colonization
Effects of Intravenous (IV) Omadacycline on Gut Microbiome
Given the clinical need to improve upon current antibiotic regimens for the treatment of C. difficile infection with a particular focus on the impact of therapies on gut microbiome, this study proposes to characterize the impact…
- Trial name
- NCT05515562
- Testing
- Omadacycline Injection
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Bipolar Disorder, Major Depressive Disorder
The Gut Microbiota of Bipolar and Depression
Background: The gut microbiome is emerging as an important factor in regulating mental health yet it remains unclear what the target should be for psychiatric treatment.
- Trial name
- NCT03062332
- Testing
- Faecal genome
- Where
- China
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Obesity, Abdominal, Adiposity
Probiotics and the Gut Microbiome in Obese Hispanic Youth
This study will recruit 40 obese Hispanic youth (12 - 18 years of age who are greater than or equal to Tanner stage 4) from hospitals, clinics, and community centers.
- Trial name
- NCT03115385
- Testing
- VSL#3
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Microbiota, Eczema
Infant Restore: Efficacy of Microbiome Analysis and Education
The goal of this clinical trial is to learn if a microbiome analysis, education, and recommendation program can improve gut health, reduce future health risks, and empower parents in their children's health in infants aged 0-3…
- Conditions
- Microbiota, Eczema, Microbiome, Gut Microbiome
- Trial name
- NCT06424691
- Testing
- Tailored Recommendations, Consult Call, Email Series
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Seeding Inc
Obesity, Dietary Intervention
Effects of Boron and Mediterranean Diets on Gut Microbiota and Metabolic Health
This study investigated the effects of a boron-rich diet compared with a Mediterranean-style diet (Smart Alternative Food Formulation; SAFF) on obesity-related outcomes in adults.
- Conditions
- Obesity, Dietary Intervention, Gut Microbiota, Cardiometabolic Risk Factors
- Trial name
- BOR-SAFF (NCT07156097)
- Testing
- Mediterranean-style Diet (SAFF), Boron-rich Diet
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Dicle University
Human Gut Microbiota
Effects of Pre-, Pro- & Anti-biotics on Gut Microbiota
The purpose of this study is to compare and contrast the effects of a prebiotic (Trametes Versicolor), a probiotic (Saccharomyces boulardii) and an antibiotic (amoxicillin) on the gut microbiota of healthy volunteers.
- Trial name
- NCT01414010
- Testing
- Trametes versicolor extract, Saccharomyces boulardii, Amoxicillin
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Respiration Disorders, Respiratory Disease
The Gut-Lung Axis and Respiratory Illness in Children
The goal of this single-centre observational study conducted at the Royal Hospital for Children in Glasgow, Scotland, is to employ a multi-omics approach to investigate the "gut-lung axis" in health and disease.
- Conditions
- Respiration Disorders, Respiratory Disease, Asthma in Children, Wheezing
- Trial name
- NCT06271213
- Testing
- observational only - no interventions as part of study
- Where
- United Kingdom
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- NHS Greater Glasgow and Clyde
Diabetes Mellitus, Non-alcoholic Fatty Liver Disease
Transplantation of Microbes for Treatment of Metabolic Syndrome & NAFLD
Non-alcoholic fatty liver disease (NAFLD) occurs when excess fat is deposited in the liver. Almost all patients also have obesity and insulin resistance (the inability of the body to effectively use insulin).
- Trial name
- FMT (NCT02496390)
- Testing
- Autologous, Allogeneic
- Where
- Canada
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Microbial Colonization
Effect of Antibiotics on Gut Microbiome and Plasma Metabolome
In recent years it has been observed that the gut microbiome can produce metabolites into systemic circulation and thus have important health effects even outside the gastrointestinal system.
- Trial name
- NCT03273296
- Testing
- Amoxicillin, Azithromycin, Vancomycin
- Where
- Finland
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Finnish Institute for Health and Welfare
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