Clinical trials: Microbiome, Human
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
Colorectal Neoplasms, Gastrointestinal Microbiome
Predicting Adenomatous Polyps in the Colon Using Images of a Human Tongue
This is a prospective, multicenter, single-arm clinical investigation designed to evaluate the accuracy of the Gixam™ System in identifying subjects with colorectal adenomas compared to optical colonoscopy.
- Trial name
- NCT06305364
- Testing
- Gixam
- Where
- 3 sites in United States
- Volunteers
- 426 people, healthy volunteers welcome
- Sponsor
- Jubaan Ltd.
Pregnancy
The Effect of Under-nutrition on the Human Microbiota
The purpose of this study is to determine whether a difference exists in the gut, oral, vaginal and human milk microbiome of under-nourished pregnant women as compared to healthy and obese pregnant women.
- Trial name
- NCT02021799
- Testing
- Moringa and Lactobacillus rhamnosus GR-1
- Where
- Tanzania
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- Western University, Canada
Prosthesis and Implants, Surgical Site Infection
Effect of Photodynamic Therapy on Skin Microbiome. Single Center Study (PHOMIC-III)
The overarching aim of this research project is to prevent orthopedic implant-associated infections. This study aims to investigate if PDT has an effect on bacterial skin colonization in order to improve skin antisepsis…
- Conditions
- Prosthesis and Implants, Surgical Site Infection, Prosthetic Joint Infection, Postoperative Wound Infection Deep Incisional Surgical Site
- Trial name
- NCT05676801
- Testing
- Photodynamic Therapy
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Gut Microbiota
Westlake Gut Microbiome Study
The Westlake Gut Microbiome study is a prospective cohort study. This project aims to characterize the gut microbiome among Chinese populations from different regions of China, and explore the relationships between gut microbiota…
- Trial name
- NCT04435548
- Where
- China
- Volunteers
- healthy volunteers welcome
- Sponsor
- Westlake University
Gastroesophageal Reflux Disease
Factors Influencing the Human Gut Microbiome Profile in Multi-ethnic Groups of the Singapore Community (FAMES)
The objectives of this study are to examine the effects of ethnicity, gender, and proton pump inhibitor (PPI, omeprazole), on the human gut microbiome.
- Trial name
- FAMES (NCT02893709)
- Testing
- Omeprazole
- Where
- Singapore
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Changi General Hospital
Obesity, Unspecified
Elderberry Consumption and Human Health
The objective of this human study is to determine if the metabolic benefits observed with other anthocyanin-rich berries extend to elderberries.
- Trial name
- NCT06626373
- Testing
- Elderberry Juice
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Washington State University
IBS (Irritable Bowel Syndrome)
High-Resolution Measurements of Diet-Microbiome Interactions
The goal of this clinical trial is to characterize regional intestinal fermentation physiology and determine how the response to fermentable dietary fiber differs between healthy individuals and individuals with irritable bowel…
- Trial name
- NCT07856823
- Testing
- Inulin, Low-fiber control breakfast shake, Atmo Gas-Sensing Capsule
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Stanford University
Urticaria
The Association Between Human Microbiome and Vitamin D in Chronic Urticaria
A double-blind study to evaluate the role of human microbiome and vitamin D in the development of urticaria.
- Trial name
- NCT05497596
- Testing
- Vitamin D
- Where
- Taiwan
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Metabolism, Gut Microbiota
The Impact of Plant-Based Protein-rich Food Products With Varying Degree of Processing on the Human Gut Microbiome Composition and Human Metabolome
It is observed that replacing meat with protein-rich plant-based food products are associated with lower mortality and obesity prevention.
- Conditions
- Metabolism, Gut Microbiota, Inflammation
- Trial name
- NCT05885750
- Testing
- Unprocessed, Mildly processed, Heavily refined
- Where
- Finland
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- University of Turku
Colorectal Adenoma and Carcinoma
Investigation of the Role of the Microbiome in the Pathogenesis of Colorectal Adenoma and Carcinoma
The purpose of this study is the investigation of new host-microbiome interactions promoting adenoma formation and adenocarcinoma progression.
- Trial name
- NCT02947607
- Testing
- Colon biopsies
- Where
- 2 sites in Belgium, Netherlands
- Volunteers
- 799 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Digestion Rate
Food DNA Digestion
This pilot study investigates the digestion rate of naturally occurring food DNA through the human digestive tract by detecting residual food DNA in stool samples.
- Trial name
- Anna Bauer (NCT06687226)
- Testing
- Reconstitutable food powder
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Duke University
Anxiety, Microbiome
Microbiome, Anxiety and Cognitive Orientation Study
Mounting evidence shows that the gut microbiome plays an important role in communication within the gut-brain axis. However, the relationship between gut microbiota and their influence on anxiety is still not fully understood.
- Conditions
- Anxiety, Microbiome, Mood Disorders, Neurodegeneration
- Trial name
- MACO (NCT05388630)
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Endominance
Taurine, Aging, Biological
Effects Of Daily Taurine Intake For 6 Months On Biological Age and Body Metabolism Indicators As Well As Physical Fitness In 55-75-year-old Women And Men
The goal of this clinical trial is to investigate the effect of taking 4 grams of taurine by older adults on aging processes over a period of 6 months.
- Conditions
- Taurine, Aging, Biological, Physical Activity, Metabolic Health
- Trial name
- TauAge (NCT06613542)
- Testing
- 4g of taurine daily
- Where
- Germany
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Fasting
Effects of Prolonged Fasting on Microbiome and HDL
Participants will undergo one day of habitual eating followed by 36 hours of water only fasting and final day of habitual eating of the exact same diet consumed on the first eating day.
- Trial name
- NCT03487679
- Testing
- Fasting
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Axial Spondyloarthritis, Ankylosing Spondylitis
Is the Human Microbiome Altered in Patients With Axial Spondyloarthritis?
This study aims to compare biological communities in stool samples obtained from age, diet and BMI-matched subjects in five study groups: subjects with ankylosing spondylitis (AS) never treated with tumor necrosing factor (TNF)…
- Trial name
- NCT02962479
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Eyal Kedar
Amyotrophic Lateral Sclerosis (ALS), Angina, Stable
Quest to Analyze One Thousand Humans Meditating
This study will be focused on assessing the molecular, physiological, and emotional correlates of an intensive meditation experience in the context of a retreat setting in a large 2000 plus-person cohort comprised of healthy and…
- Conditions
- Amyotrophic Lateral Sclerosis (ALS), Angina, Stable, Anxiety, Asthma
- Trial name
- QUANTUM (NCT06583395)
- Testing
- Advanced multi-component meditation practice
- Where
- United States
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Tobias Moeller-Bertram
Human Gut Microbiome Development
Phages Dynamics and Influences During Human Gut Microbiome Establishment
Microbial communities are key components of human environment. Consequently, human gut microbiome have been extensively studied providing a better understanding of the relations between bacterial populations and host physiology.
- Trial name
- METAKIDS (NCT03296631)
- Testing
- collection of diapers with fresh stools
- Where
- 2 sites in France
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
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
Healthy
Trimethylamine-N-oxide Production and Metabolism
The purpose of this study was to understand the production of trimethylamine-N-oxide (TMAO) and its metabolites from dietary precursors found in fish, eggs and beef.
- Trial name
- NCT02558673
- Testing
- TMAO dietary precursors, Control (or active comparator)
- Where
- 2 sites in United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cornell University