Clinical trials: Gastrointestinal Microbiota
Overweight, Insulin Resistance
Effects of Cranberry Powder Supplements on Gut Microbiota Diversity and Metabolic Syndrome
It is of major importance to refine prevention strategies in order to alleviate inflammation, insulin resistance and metabolic syndrome and it appear that improving gut health and microbiota represent a promising strategy.
- Conditions
- Overweight, Insulin Resistance, Microbiota, Endotoxemia
- Trial name
- MICA (NCT03754504)
- Testing
- Cranberry powder
- Where
- Canada
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Laval University
Large B-Cell Lymphoma (LBCL), Multiple Myeloma (MM)
Restrictive Versus Standard Antibiotic Treatment During CAR-T Therapy
The purpose of the CARMic study is to investigate whether a restrictive, microbiome-sparing antibiotic strategy can better preserve the gut microbiota in patients undergoing chimeric antigen receptor T-cell (CAR-T) therapy…
- Conditions
- Large B-Cell Lymphoma (LBCL), Multiple Myeloma (MM), Gut Microbiota
- Trial name
- CARMic (NCT07842198)
- Testing
- ceftazidime, ciprofloxacin, Standard-of-Care Antibiotic Strategy
- Where
- Denmark
- Volunteers
- 150 people
- Sponsor
- Zealand University Hospital
Infertility, Male, Azoospermia
The Association of Gut Microbiota and Spermatogenic Dysfunction
This is a multicenter, case-control study that aims to investigate the relationship between microbiota and sperm quality via stool, blood, and urine microbiome, metabolomics, and collected clinical metadata.
- Conditions
- Infertility, Male, Azoospermia, Oligozoospermia, Asthenozoospermia
- Trial name
- NCT05628987
- Testing
- no intervention
- Where
- 3 sites in China
- Volunteers
- 306 people, healthy volunteers welcome
- Sponsor
- Zhujiang Hospital
REM Sleep Behavior Disorder
Gut Microbiota Across Early Stages of Synucleinopathy: From High-risk Relatives, REM Sleep Behavior Disorder to Early Parkinson's Disease
With the global ageing population, neurodegenerative disorders including synucleinopathy are major burdens to patients, carers and society.
- Trial name
- NCT03645226
- Testing
- Colonoscopy
- Where
- 2 sites in Hong Kong
- Volunteers
- 441 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Exacerbation of Ulcerative Colitis, Ulcerative Colitis, Active Severe
Manipulating the Microbiome in IBD by Antibiotics and FMT
the etiology of Inflammatory Bowel Diseases (IBD) is closely associated with the gut microbiome. The results of previous studies on the effectiveness of antibiotics and fecal macrobiota transplantation (FMT) are contradicting.
- Conditions
- Exacerbation of Ulcerative Colitis, Ulcerative Colitis, Active Severe, Crohn's Colitis
- Trial name
- FMT (NCT02033408)
- Testing
- AB (antibiotics), CS (corticosteroids) Only
- Where
- 12 sites in Canada, Finland and 4 more
- Volunteers
- 28 people
- Sponsor
- Shaare Zedek Medical Center
Ulcerative Colitis, Crohn Disease
Efficacy of Fecal Microbiota Transplantation for Inflammatory Bowel Disease
The gut microbiota is determined to constitute a "microbial organ" which has pivotal roles in the intestinal diseases and body's metabolism.
- Conditions
- Ulcerative Colitis, Crohn Disease, Constipation (Excl Faecal Impaction)
- Trial name
- NCT02575040
- Testing
- Fecal microbiota transplantation
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Saglik Bilimleri Universitesi Gulhane Tip Fakultesi
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
Inflammatory Bowel Diseases, Ulcerative Colitis
Vitamin D Regulation of Gut Specific B Cells and Antibodies Targeting Gut Bacteria in Inflammatory Bowel Disease
Specific Aim 1: Characterize the effects of vitamin D treatment on expression of α4β7 on B cells in patients with inflammatory bowel disease (IBD).
- Conditions
- Inflammatory Bowel Diseases, Ulcerative Colitis, Crohn Disease
- Trial name
- NCT04828031
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Stanford University
Bariatric Surgery
The Metabolic Effects of Prebiotic Supplementation After Roux-en-Y Gastric Bypass Surgery
In this study, it is aimed to evaluate whether the addition of prebiotics to patients' post-operative diets increases Roux-en-Y Gastric Bypass surgery effects.
- Trial name
- NCT03517345
- Testing
- Prebiotic, Control
- Volunteers
- 32 people
- Sponsor
- Istanbul University
Healthy
A Clinical Study to Assess the Effect of Increasing Intake Amounts of Two Novel Glycans on the Gut Microbiota of Healthy Subjects
This exploratory, randomized, open label study aims to explore the safety, tolerability, pharmacokinetics, and effects of increasing intake amounts of two novel glycans on the gut microbiota of healthy subjects.
- Trial name
- NCT04619875
- Testing
- KB5, SG1, Lactulose
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Kaleido Biosciences
Nutrition Intake, Nutrition Status
A Randomized, Triple-blind, Placebo-controlled Study to Evaluate the Effects of a Supplement on Nutrient Gaps and Gut Health Among Individuals Utilizing GLP-1 RAs
This study is a triple-blind, placebo-controlled, randomized controlled trial of 120 adults that will evaluate the impact of a novel nutritional supplement on improving nutrient gaps and changing nutrient status and the gut…
- Conditions
- Nutrition Intake, Nutrition Status, Gastrointestinal Microbiome, GLP-1
- Trial name
- NCT07437911
- Testing
- AG1 - Nutritional Supplement
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Athletic Greens International
Weight Management, Obesity
How a Single Workout Affects Gut Bugs in Women With Different Fitness Levels and Body Types
This study aims to elucidate the differences in the gut microbiome functional activity and metabolome in adult premenopausal women with distinctive fitness levels and BMIs (with obesity, w/o obesity).
- Conditions
- Weight Management, Obesity, Exercise, Women
- Trial name
- FITGut-W (NCT06691100)
- Testing
- Aerobic Exercise
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- George Washington University
Cirrhosis
Observational Clinical Study on the Association Between Lactate-mediated Gut Microbiota Alterations and Disease Progression in Liver Cirrhosis.
To investigate the association between lactate-mediated alterations in the gut microbiota and disease progression in patients with liver cirrhosis; and to examine the correlations of lactate levels among serum, fecal, and tissue…
- Trial name
- NCT07455175
- Testing
- observational study, no intervention
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhujiang Hospital
CVD Risk
Elucidating the Effect of Dietary Stearic Acid on the Regional Heterogeneity of the Gut Microbiome and Metabolome: Focus on Bile Acid Metabolism (SAMPill Study)
Stearic acid and palmitic acid are two common consumed saturated fatty acids found in foods. Palmitic acid is associated with increases in blood cholesterol, whereas stearic acid is generally considered neutral with respect to…
- Trial name
- SAMPill (NCT07766915)
- Testing
- High Palmitic Acid Diet, High Stearic Acid Diet
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Tufts University
Type 2 Diabetes, Metabolic Health
Effect of Prebiotics in Saudi Adults With Type 2 Diabetes
This study will explore how a natural food ingredient called oligofructose affects blood glucose levels, lipid profiles, inflammation biomarkers, and gut bacteria in Saudi adults with type 2 diabetes.
- Conditions
- Type 2 Diabetes, Metabolic Health, Inflammation, Gut Microbiome
- Trial name
- NCT07464691
- Testing
- oligofructose
- Where
- Saudi Arabia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Princess Nourah Bint Abdulrahman University
Heart Failure With Reduced Ejection Fraction, Nonischemic Cardiomyopathy
Gut Microbiome Profiling in Patients With Chronic Heart Failure
The goal of this observational study is to learn about the composition and function of the gut microbiome in adults with chronic heart failure with reduced ejection fraction. The main questions the study aims to answer are: 1.
- Trial name
- NCT06361524
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- Stanford University
Constipation - Functional
Breath Gases, Gut Flora, and Immunity in Children With Constipation
Constipation is a common problem in children that can affect their daily life, school performance, and social activities. Researchers have found that the bacteria living in our intestines (called "gut microbiome") may play an…
- Trial name
- NCT07797491
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ruijin Hospital
Gallstone Disease, Bile Duct Diseases
Gut Microbiome and Metabolome in Patients With Gallstone Disease After Surgical and Endoscopic Interventions
The goal of this longitudinal observational cohort study is to examine the changes in the composition and diversity of gut microbiome and systemic metabolome in patients with symptomatic gallbladder stones with or without…
- Trial name
- NCT05689255
- Where
- Singapore
- Volunteers
- 65 people
- Sponsor
- Changi General Hospital
Healthy Mothers, Healthy Infants
Maternal High Fibre Fermented Diet Effect on Breastfed Infant Gut Microbiome
Breastfeeding is recommended for babies from birth to six months old because breast milk provides all the nutrients babies need for growth and development.
- Trial name
- MumBabyGut (NCT06977113)
- Testing
- High Fibre Fermented Food Diet, Control Habitual Diet
- Where
- United Kingdom
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- University of Glasgow
Celiac Disease
Effectiveness of PENTABIOCEL in Clinical and Laboratory Recovery of Children With Celiac Disease
Celiac disease (CD) is an inflammatory condition of the small intestine. Environmental and genetic factors are involved in the development of CD.
- Trial name
- NCT03857360
- Testing
- Pentabiocel
- Where
- Italy
- Volunteers
- 85 people
- Sponsor
- Università Politecnica delle Marche
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