Gut Microbiota Clinical Trials

21 recruiting

Gut Microbiota Trials at a Glance

25 actively recruiting trials for gut microbiota are listed on ClinicalTrialsFinder across 6 cities in 12 countries. The largest study group is Not Applicable with 14 trials, with the heaviest enrollment activity in Shanghai, Glasgow, and Atlanta. Lead sponsors running gut microbiota studies include Georgia State University, University of Glasgow, and Fondazione Policlinico Universitario Agostino Gemelli IRCCS.

Browse gut microbiota trials by phase

Treatments under study

About Gut Microbiota Clinical Trials

Looking for clinical trials for Gut Microbiota? There are currently 21 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Gut Microbiota trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Gut Microbiota clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 25 trials

Recruiting
Not Applicable

Effects Of Dietary Fats on Gut Microbiota Composition and Metabolic Activity in Healthy Adults

Inflammation BiomarkersGut Microbiota Diversity and CompositionShort Chain Fatty Acids Concentration in Stools+1 more
University of Glasgow64 enrolled1 locationNCT07550023
Recruiting
Not Applicable

MiCrobiota-gut-brain Axis in Resistant Epilepsy

EpilepsyGut Microbiota
Niguarda Hospital120 enrolled1 locationNCT07010445
Recruiting
Not Applicable

Peanuts for Cardiometabolic, Brain, and Intestinal Health

AdultPrediabetesCognition+5 more
Georgia State University72 enrolled1 locationNCT06867198
Recruiting
Not Applicable

Wild Blueberries for Gut, Brain, and Cardiometabolic Health in Prediabetes

Arterial StiffnessBody CompositionAdult+9 more
Georgia State University30 enrolled1 locationNCT06735651
Recruiting
Not Applicable

Pesticides and Infertility: Oxidative Stress Via Circulating Cell-free DNA and Gut/Genital Microbiome Signatures in Women With Endometriosis

InfertilityEndometriosisEpigenetics+7 more
Centre Hospitalier Universitaire, Amiens160 enrolled1 locationNCT07471373
Recruiting
Not Applicable

Lifestyle Interventions to Prevent Cognitive Deficits in Subjects With Depressive Symptoms: From Mechanisms to Clinical Practice

Physical ActivityDepressive SymptomsInflammation+3 more
IRCCS Centro San Giovanni di Dio Fatebenefratelli120 enrolled1 locationNCT07009223
Recruiting

The Efficacy of PD-1 Monoclonal Antibody Combined With Chemotherapy in Metastatic Gastric Cancer Based on Gut Microbiota

Gastric CancerGut Microbiota
Fudan University300 enrolled1 locationNCT07400354
Recruiting
Not Applicable

The Effect of Vitamin C Supplementation on Gut Microbiota Composition and Function in Healthy Adults

Gut Microbiota Diversity and CompositionShort Chain Fatty Acids Concentration in Stools
University of Glasgow23 enrolled1 locationNCT07388121
Recruiting

Monitoring the Clinical and Immunological Effects of Microbiome Changes Following Severe Burn Injury

Severely Burned PatientsGut Microbiota Diversity and CompositionInflammatory Responses
Tamas Vegh, MD30 enrolled1 locationNCT07329595
Recruiting

SMASH: Study to Evaluate the Clinical Efficacy of an Extensively Hydrolysed Infant Formula With Synbiotics and a Human Milk Oligosaccharide (HMO) in Infants With Cow's Milk Protein Allergy (CMPA)

Gut MicrobiotaFood HypersensitivityCow's Milk Protein Allergy (CMPA)+1 more
Outcomes'1041 enrolled13 locationsNCT07342621
Recruiting
Not Applicable

A Study on the Modulation of Gut Microbiota by Oral Sialic Acid in Healthy Subjects

HealthyTaking Sialic Acid to Regulate the Gut Microbiota
Xiaolong Li42 enrolled1 locationNCT07162662
Recruiting
Not Applicable

Impact of Dairy Integration Into Canadian Food Guide on Gut Health

Gut Epithelial PermeabilityGut Microbiota Composition and DiversityGut and Circulating Inflammatory Markers+1 more
Laval University20 enrolled1 locationNCT07257913
Recruiting

Impact of Transcatheter Aortic Valve Implantation (TAVI) on the Gut Microbiota in Patients With Aortic Valve Stenosis

Gut MicrobiomeTAVIGut Microbiota+2 more
Hippocration General Hospital40 enrolled1 locationNCT07052071
Recruiting
Not Applicable

Gut Mini-Pill Study

Gut Microbiota
Tufts University30 enrolled1 locationNCT07220369
Recruiting
Not Applicable

Organoid Models of Hepatocellular Carcinoma

SurgeryHepatocellular CarcinomaOrganoids+3 more
Fondazione Policlinico Universitario Agostino Gemelli IRCCS150 enrolled1 locationNCT06929845
Recruiting
Not Applicable

How a Single Workout Affects Gut Bugs in Women With Different Fitness Levels and Body Types

ExerciseObesityWeight Management+5 more
George Washington University40 enrolled1 locationNCT06691100
Recruiting
Not Applicable

The Maternal EED Study

MalnutritionGut MicrobiotaEnvironmental Enteric Dysfunction (EED)+2 more
International Centre for Diarrhoeal Disease Research, Bangladesh180 enrolled1 locationNCT05862363
Recruiting

Characteristics of Intestinal Bacteria and Their Effects on Growth and Immune Function in Children at High Altitude

Gut MicrobiotaChildren, OnlyHealth
Ruijin Hospital300 enrolled1 locationNCT06157346
Recruiting

Gut Microbiota and Pulmonary Complications After Non Cardiac Elective Surgery in Elderly Patients

Gut Microbiota
Peking Union Medical College Hospital100 enrolled1 locationNCT06513416
Recruiting

A Longitudinal Study to Explore the Impact of Gut Microbiome on Brain Health in Alzheimer's Disease

Magnetic Resonance ImagingAlzheimer DiseaseMetabonomics+1 more
Jining Medical University285 enrolled1 locationNCT06837272