Clinical trials: Intestinal Microbiota
Intestinal Microbiota, Complication of Transplanted Liver
Human Microbiota and Liver Transplant
The microbiota represents the collections of microbial communities that colonize a host. In health, the microbiota protects against pathogens and maturation of the immune system.
- Conditions
- Intestinal Microbiota, Complication of Transplanted Liver, Acute Rejection of Liver Transplant, Infection
- Trial name
- NCT02223468
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Hospital Vall d'Hebron
Blood Pressure, Body Composition, Immune Function
Evaluating the Effects of a Synbiotic Versus Probiotic or Placebo on Gut Microbiota and Cardiometabolic Health: A Randomized Double-Blind Placebo Controlled Trial
Accordingly, the purpose of this study is to evaluate the efficacy of 1) supplementation with Synbiotic (Plexus® Triplex), 2) commercially-available Probiotic, or 3) placebo control over 30 days on the gut microbiome…
- Trial name
- GUTRCT (NCT06544915)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Skidmore College
Sleep Problem, Neurobehavioral Manifestations
NapBiome: Targeting Gut Microbiota and Sleep Rhythm to Improve Developmental and Behavioral Outcomes in Early Childhood
The gut-brain axis plays a crucial role in the regulation and development of psychological and physical processes. The first year of life is a critical period for the development of the gut microbiome, which parallels important…
- Trial name
- NapBiome (NCT06396689)
- Testing
- Synbiotic
- Where
- 2 sites in Switzerland
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Petra Zimmermann
Obesity
Human Intestinal Microbiota in Obesity and Nutritional Transition
The objectives of this study are: 1-To qualify the relationship between the gut microbiota and the host nutritional and metabolic status during dietary transition.2-To define the impact of nutritional transition on the intestinal…
- Trial name
- Micro-Obes (NCT01314690)
- Testing
- Caloric transition
- Where
- France
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Ceprodi S.A. Kot
Colorectal Cancer, Diet Habit
Mediterranean Diet and Weight Loss: Targeting the Bile Acid/Gut Microbiome Axis to Reduce Colorectal Cancer
A Mediterranean Diet (MedDiet), a largely plant-based dietary pattern, is relevant to CRC prevention and microbial production of anti-cancer metabolites in observational studies.
- Trial name
- Bridge CRC (NCT04753359)
- Testing
- Med, WL
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- University of Illinois Chicago
Chronic Respiratory Diseases
Intestinal Microbiota in COPD and Asthma
The composition of the intestinal microbiota, the level of lipopolysaccharides, TMAO in the blood, and other parameters of patients with COPD (n=50), asthma (n=50) and the control (n=40) will be assessed as factors associated…
- Trial name
- MicrObAs (NCT04802317)
- Testing
- Identification of the composition of the intestinal microbiota
- Where
- Russia
- Volunteers
- 149 people, healthy volunteers welcome
- Sponsor
- National Medical Research Center for Therapy and Preventive Medicine
Obesity
Cherries Role in Gut Microbiota-liver-brain Function
Sweet cherries (Prunus avium) are a good source of bioactive compounds including dietary fiber and phytochemicals which have been credited with multiple health benefits, including anti-inflammatory and antioxidant properties as…
- Trial name
- NCT05586386
- Testing
- Cherry group
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
Metabolism
Choline Source, Gut Microbiota and Trimethylamine-N-oxide Response
The purpose of this research is to determine the production of trimethylamine-N-oxide (TMAO) from different forms of choline and whether this response is modified by the gut microbiota composition.
- Trial name
- NCT04255368
- Testing
- Water-soluble choline, Fat-soluble choline, No choline control
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Utah State University
Heathly Subjects Susceptible to SARS-CoV-2 Infection
Microbiome-Based Risk Prediction of SARS-CoV-2 in Children and Families (PREDICOL)
The goal of this observational cohort study is to evaluate the association between gut microbiota composition, dietary patterns, lifestyle-related factors, and neurodevelopmental outcomes, as well as susceptibility to SARS-CoV-2…
- Trial name
- PREDICOL (NCT07717008)
- Where
- Spain
- Volunteers
- 932 people, healthy volunteers welcome
- Sponsor
- Spanish National Research Council
Vaginal Microflora
Clinical Evaluation of Effects of an Investigational Tampon on Vaginal Microflora
Subjects will be using investigational or control tampons during their menstrual period but these tampons are not intended to prevent, treat or diagnose an infection or other disease condition.
- Trial name
- NCT00913523
- Testing
- Experimental - Tampon with GML
- Where
- 2 sites in United States
- Volunteers
- 482 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Consumer and Personal Products Worldwide
Gastrointestinal Disorder, Functional
PHAGE Study: Bacteriophages as Novel Prebiotics
The PHAGE study is designed to determine if a commercial prebiotic product can change the composition of bacteria in the gut for improved intestinal health.
- Trial name
- NCT03269617
- Testing
- Bacteriophage mixture
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Colorado State University
Gamma-Aminobutyric Acid, Anxiety
The Role of the Microbiota-gut-brain Axis in Brain Development and Mental Health
The role of the microbiota-gut-brain axis in brain development and mental health
- Conditions
- Gamma-Aminobutyric Acid, Anxiety, Glutamate, Emotion Regulation Abilities
- Trial name
- NCT03835468
- Testing
- Galacto-oligosaccharides, Maltodextrin
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Functional Dyspepsia
Duodenal Microbiota in Functional Dyspepsia
The goal of this observational study is to assess the type of duodenal microbiota and duodenal microbiome in in FD patients compared to control group.
- Trial name
- NCT06326918
- Testing
- Duodenal mucosal brushing, Duodenal mucosal biopsy
- Where
- Thailand
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- King Chulalongkorn Memorial Hospital
Adults 20 to 80 Years
Boosting Microbiota Butyrate Producers to Improve Gut Health
The human gut microbiota is a dynamic ecosystem essential to health, influenced by diet, age, and lifestyle. It plays a key role in digestion, immunity, and nervous system regulation.
- Trial name
- BOOST-Mi (NCT07198984)
- Where
- France
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement
Irritable Bowel
Effect of 6 Weeks Daily Consumption of a Cereal-based Juice Beverage on Gastrointestinal Health
The project is a randomized, 2-way, blinded parallel trial in which 56 healthy adults of both genders with frequent occurrence of stomach trouble.This intervention trial with 6 weeks of daily intake β-glucans will be carried out…
- Trial name
- NEWDRINK (NCT03046667)
- Testing
- Barley β-glucan, Control
- Where
- Denmark
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Transgender Persons
Effect of Testosterone Treatment on Drug Metabolism and Transport
This project will evaluate the effect of gender-affirming testosterone treatment on how other medications are processed by the body.
- Trial name
- NCT05116293
- Testing
- Midazolam oral solution, Digoxin Oral Tablet, Acetaminophen Oral Tablet
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Washington
Functional Abdominal Pain Syndrome
The Effects of Probiotics, Lactobacillus GG, in the Treatment of Abdominal Pain in Children With Functional Abdominal Pain Disorders
Recurrent or chronic abdominal pain is one of the common gastrointestinal problems in children. While most children do not have organic origins (so called functional abdominal pain disorders; FAPDs), the symptoms can nevertheless…
- Trial name
- NCT06310733
- Testing
- LGG
- Where
- Thailand
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Prince of Songkla University
Healthy Subjects
Spatial Analysis of the Intestinal Microbiota in Healthy Subjects
Research on the human intestinal microbiota is common as there is rising evidence of its influence on host physiology and several diseases.
- Trial name
- NCT03918330
- Where
- Sweden
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Örebro University, Sweden
Irritable Bowel Syndrome
Efficacy and Safety Evaluation of Fecal Microbiota Transplantation in Irritable Bowel Syndrome
Participants will be given FMT through oral capsules or nasojejunal tube once a month. After three-time treatment, participants were followed up for three months.
- Trial name
- NCT05740319
- Testing
- FMT
- Where
- China
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Inflammatory Response
The Effects of Agro-ecological Farming Systems on Human Health
As concerns regarding the effects of agriculture on human and environmental health mount, a growing number of farmers are seeking ways to improve health from the ground up.
- Trial name
- AGROHEALTH (NCT05575258)
- Testing
- 44-Day Diet Conventionally Sourced - YELLOW Diet, 44-Day Diet Agro-Ecologically Sourced - GREEN Diet
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Utah State University
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