Clinical trials: Gastrointestinal Microbiota
Lactose Intolerance
Lactobreath: A Study to Diagnose Lactose Intolerance Using Breath Markers
Food intolerances affect many people and can cause discomfort and dietary challenges. One common cause is difficulty digesting certain carbohydrates called FODMAPs.
- Trial name
- Lactobreath (NCT06177938)
- Testing
- Lactose solution/Glucose solution
- Where
- Switzerland
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- ETH Zurich
Crohn's Disease
TOward a Better Understanding of the autoPhagy Machinery for the Identification of Potential Novel Biomarkers and Therapeutic Targets in Crohn's Disease - TOPIC Study
Crohn's disease (CD) belongs to chronic inflammatory bowel diseases (IBD) affecting over 2 million individuals in the North America and 3.2 million in Europe with an increasing incidence rate in newly industrialized countries…
- Trial name
- TOPIC (NCT06244849)
- Testing
- Blood samples, Stool simple, Ileocolonic biopsies
- Where
- 2 sites in France
- Volunteers
- 170 people
- Sponsor
- Hospices Civils de Lyon
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
Irritable Bowel Syndrome
Effects of Pectin Supplementation in Diarrhea-predominant Irritable Bowel Syndrome
The purpose of this study is to investigate the effect of pectin, a kind of soluble dietary fiber, on clinical symptoms, gut microbiota and the immune status in patients with diarrhea-predominant irritable bowel syndrome
- Trial name
- NCT02270268
- Testing
- Pectin, maltodextrin
- Volunteers
- 114 people
- Sponsor
- Nanjing PLA General Hospital
Fatty Liver Disease
Synbiotics Impact on Insulin and TNF-α in MAFLD: a Gut Microbiota Profile Analysis
Primary Objective: To analyze the effect of synbiotic supplementation on metabolic profile, insulin and TNF-α and gut microbiota changes in patients with Metabolic dysfunction-Associated Fatty Liver Disease (MAFLD).
- Trial name
- NCT06585982
- Testing
- Treatment, Control
- Where
- Indonesia
- Volunteers
- 50 people
- Sponsor
- Universitas Diponegoro
Pseudomyxoma Peritonei, Appendiceal Neoplasm
Gastrointestinal Microbiome Study of Appendiceal Cancer
This study analyzes the gastrointestinal microbiome of appendiceal cancer patients with peritoneal spread scheduled to undergo cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS/HIPEC).
- Conditions
- Pseudomyxoma Peritonei, Appendiceal Neoplasm, Cancer, Appendiceal
- Trial name
- NCT02599116
- Testing
- Bio-specimen collection, Questionnaire
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Mercy Medical Center
Obesity / Overweight
Effects of Tirzepatide on Gut Microbiota and Gastrointestinal Function After Drug Withdrawal in Obese Patients
This is an observational cohort study. The primary objective is to analyze the dynamic changes in gut microbiota and metabolic profiles in obese patients treated with Tirzepatide.
- Trial name
- NCT07847515
- Testing
- Tirzepatide
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Nanjing First Hospital, Nanjing Medical University
Cognitive Performance, Inflammation
Peanut Consumption on Cognitive, Weight, and Inflammation
A multi-school, two-arm parallel cluster-randomized controlled trial will be conducted in 200 healthy young adolescents from Barcelona (Spain) to evaluate the effect of peanut consumption on cognitive performance, weight…
- Conditions
- Cognitive Performance, Inflammation, Weight Change, Body, Adolescents
- Trial name
- PEANUTY (NCT06127511)
- Testing
- Food (peanut)
- Where
- Spain
- Volunteers
- 142 people, healthy volunteers welcome
- Sponsor
- University of Barcelona
Amyotrophic Lateral Sclerosis
Fecal Microbiota Transplantation Effect on Amyotrophic Lateral Sclerosis Patients
Given the role of adaptive immunity in ALS, the pathogenicity of some clostridial strains on motorneurons, the putative role of cyanobacteria in ALS development, and the increasing interest for microbiota in neurodegenerative…
- Trial name
- FETR-ALS (NCT03766321)
- Testing
- Fecal microbiota transplantation
- Where
- 5 sites in Italy
- Volunteers
- 42 people
- Sponsor
- Azienda Ospedaliero-Universitaria di Modena
Type 2 Diabetes Mellitus, Insulin Sensitivity/Resistance
The Effect of Exercise on Gut Microbiota in Type 2 Diabetic Patients
To investigate whether targeted lifestyle intervention (exercise), induces a change in intestinal fecal microbiota related to improved glycemic control and systemic inflammation in patients with DM type 2.
- Trial name
- NCT03380338
- Testing
- Combined aerobic and strength exercise
- Where
- Netherlands
- Volunteers
- 15 people
- Sponsor
- Amsterdam UMC, location VUmc
Autism Spectrum Disorder, Gastro-Intestinal Disorder
MTT for Children With ASD Who Have Gastrointestinal Disorders
The investigators propose to investigate Microbiota Transfer Therapy (MTT) for treating children with Autism Spectrum Disorder (ASD) and gastrointestinal problems (primarily constipation and/or diarrhea).
- Conditions
- Autism Spectrum Disorder, Gastro-Intestinal Disorder, Constipation, Diarrhea
- Trial name
- NCT04182633
- Testing
- vancomycin, Miralax, intestinal microbiota
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Arizona State University
Active Ulcerative Colitis
Superdonor FMT in Patients With Ulcerative Colitis
In the last decades fecal microbiota transplantation (FMT) has been established as a highly effective option in the treatment of recurrent Clostridioides difficile infection (rCDI), with a success rate of nearly 90%.
- Trial name
- NCT05739864
- Testing
- FMT
- Where
- Italy
- Volunteers
- 42 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Healthy Subjects
Cocoa Intake for Health Promotion in Athletes
Athletes consume an extra of nutritional supplements every day with the purpose of improving their athletic performance, sometimes without being aware of their health.
- Trial name
- INDYCA (NCT03897114)
- Testing
- Cocoa group
- Where
- Spain
- Volunteers
- 56 people
- Sponsor
- Universidad Europea de Madrid
Major Depressive Disorder (MDD, Anxiety Disorder, Generalized
Serotonin Variants & Gut Microbiota in Mental Health
This observational pilot study investigates whether a broad panel of genetic variants relevant to the serotonin pathway (including serotonergic system, methylation cycle, intestinal barrier integrity, and inflammatory response…
- Conditions
- Major Depressive Disorder (MDD, Anxiety Disorder, Generalized, Stress Disorders, Post-Traumatic, Panic Disorder
- Trial name
- NCT07634458
- Testing
- SNP Genotyping and Gut Metagenomics
- Volunteers
- 30 people
- Sponsor
- Neurobiologix
Constipation, Constipation Chronic Idiopathic
A Pilot Study to Explore the Role of Gut Flora in Chronic Constipation
This study seeks to correlate microbiome sequencing data with information provided by patients and their medical records regarding chronic constipation
- Conditions
- Constipation, Constipation Chronic Idiopathic, Constipation - Functional, Constipation (Excl Faecal Impaction)
- Trial name
- NCT04148248
- Testing
- No intervention
- Where
- United States
- Sponsor
- ProgenaBiome
Overweight
Influence of a Food Supplement on the Gut Microbiome in Healthy Obese Women
Before and after study in obese women 25-35 years old, BMI 30-35, taking Strath® Kräuterhefe Original (liquid), Herbal Yeast Food Supplement for three weeks.
- Trial name
- NCT03223987
- Testing
- Strath® Kräuterhefe Original (liquid)
- Where
- Switzerland
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Bio-Strath AG
Spondyloarthritis, Ankylosing Spondylitis
Effect of a Low Starch Diet in Patients With Ankylosing Spondylitis
The aim of this study is to explore the effect of a low starch diet (reduction of at least 40%) in the gut bacteria modulation, especially Klebsiella pneumoniae, and its relation to disease activity, functional impairment and…
- Trial name
- NCT04386538
- Testing
- Low Starch Diet (LSD), General healthy eating
- Where
- Portugal
- Volunteers
- 150 people
- Sponsor
- Universidade do Porto
Hepatic Steatosis, Dietary Fructose Exposure
Dietary Fructose on Microbiota and Hepatosteatosis
The consumption of sugar-sweetened beverages (SSB) has increased steadily over the past decades, resulting in the dramatic increase of fructose intake as it is one of the main ingredients of artificial sweeteners.
- Trial name
- NCT04898621
- Testing
- 75g fructose solution, 150g fructose solution
- Where
- China
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Gut Microbiome, Neurocognitive Correlates of Eating Habits
Early Avocado Exposure on Development and the Gut Microbiome in American Hispanic Infants
The goal of this clinical trial is to learn if daily avocado intake can improve growth and brain and gut health in infants. The main questions it aims to answer are: Does daily eating of avocados change which microbes live in the…
- Conditions
- Gut Microbiome, Neurocognitive Correlates of Eating Habits, Infant Growth
- Trial name
- Guac & Grow (NCT06876935)
- Testing
- Daily avocado
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Arizona State University
Cancer
Correlates of CRCI and Gut Microbiome Dysbiosis; a Pilot Study
The aim of this study is to characterize the microbiome and assess fatigue and cognition of patients with cancer undergoing standard of care treatment.
- Trial name
- NCT06098404
- Where
- United States
- Volunteers
- 250 people
- Sponsor
- The University of Texas Medical Branch, Galveston
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.