Clinical trials: Microbiome, Human
Diet, Food and Nutrition
Impacts of Durian Consumption on Human Microbiome and Metabolome in Healthy Staff Volunteers
This clinical study investigates the impacts of daily durian consumption on gut microbiota, gut microbial metabolites, and host metabolome in healthy individuals.
- Trial name
- DURIOME (NCT06194084)
- Testing
- Two-sequence of durian pulp doses (100 g and 200 g)
- Where
- Singapore
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- National Cancer Centre, Singapore
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
Insulin Sensitivity
Mechanism of Microbiome-induced Insulin Resistance in Humans (Aim2)
The purpose of this study is to determine whether microbiome modulation and an experimental reduction in plasma LPS concentration improve inflammation and insulin action in insulin resistant (obese and T2DM) subjects.
- Trial name
- MicroB2 (NCT02127125)
- Testing
- Maltodextrin, Synbiotic, Sevelamer
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Nature, Human, Microbial Colonization
Biodiversity Interventions for Assisted Living Centers
Biodiversity is essential for nature and human well-being. Land use has reduced biodiversity in cities, which weakens the functionality of the urban ecosystems and the well-being of citizens.
- Conditions
- Nature, Human, Microbial Colonization, Well-Being, Psychological, Immune System and Related Disorders
- Trial name
- BIWE (NCT06390683)
- Testing
- Rewilding
- Where
- Finland
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Natural Resources Institute Finland
Influenza
Association Between Gut Microbiome and Dietary Determinants and Vaccine Response
This study evaluates the association between gut microbiome and dietary determinants and vaccine response. This study aims to learn if diet and the microbes (such as bacteria and viruses) found in your gut affect the body's…
- Trial name
- NCT05239403
- Testing
- Biospecimen Collection, Questionnaire Administration
- Where
- United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
Hormonal Contraception
Contraceptive Hormones, Immunity, and Microbiome Evaluation
The study is a prospective cohort study to explore the mechanisms underlying the HIV risk associated with pharmacologic doses of exogenous sex hormones via hormonal contraceptives specially progestin-containing hormonal…
- Trial name
- CHIME (NCT03660046)
- Testing
- Depot medroxyprogesterone acetate (DMPA), Etonogestrel implant (Eng-Implant), Levonorgestrel IUD (Lng-IUD)
- Where
- 3 sites in United States
- Volunteers
- 155 people, healthy volunteers welcome
- Sponsor
- Emory University
Human Microbiome
Oral Probiotics on the Shift in Gut Microbiome and Skin Carotenoid Levels
The purpose of this study is to determine how probiotics affects circulating carotenoid levels.
- Trial name
- NCT04841694
- Testing
- Probiotic
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Integrative Skin Science and Research
Hepatitis C Viral
Oral Microbiome of Patients With Hepatitis C Virus Infection
Hepatitis C virus (HCV) infection is very common in Egypt and the middle east. The disease affects multiple body organs and may proceed to hepatocellular carcinoma.
- Trial name
- NCT03682549
- Testing
- Oral microbiome analysis
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Human Microbiome
Detection of Luminal and Mucosa-associated Microbiome in Healthy Controls vs. Local and Systemic Inflammation
This study should reveal differences in composition of luminal and mucosa-associated microbiome of the human gastrointestinal tract.Therefore bacterial species of different intestinal location sites (small intestine and colon)…
- Trial name
- NCT03157687
- Where
- Germany
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Hemorrhagic Stroke, Acute
Predictive Value of Human Microbiome and Serological Markers for Clinical Outcome of Cerebral Hemorrhage
Objective: To explore the predictive value of characteristic disorder of intestinal flora for clinical prognosis in patients with intracerebral hemorrhage.
- Conditions
- Hemorrhagic Stroke, Acute, Outcomes, Metabolites
- Trial name
- NCT05551923
- Testing
- intestinal flora disturbance
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Nanfang Hospital, Southern Medical University
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
Intestinal Bacteria Flora Disturbance
The Effect of Fruit/Vegetable Drinks on the Human Intestine
This is a 4 ½ week study with 20 healthy subjects (including a 2 week run-in ) . Subjects will be taking vegetable/fruit juice supplementation for 3 days.
- Trial name
- NCT02377063
- Testing
- Pressed Juice
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Stress Response, Mental Stress
Cranberry Polyphenols and Stress Resilience During Multitasking in Healthy Adults
This randomized, double-blind, placebo-controlled clinical trial evaluates whether 70 days of daily cranberry juice consumption improves cognitive performance and motor accuracy and reduces psychological and physiological stress…
- Conditions
- Stress Response, Mental Stress, Multitasking Behavior and Multitasking Ability, Physiological Stress
- Trial name
- CRAN-MULTI (NCT07453537)
- Testing
- Cranberry juice
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of Florida
Dietary Fiber, Gastrointestinal Microbiome
Luxembourgish Fiber Cohort
Many human populations across the world are deficient in the intake of dietary fiber. This decline in fiber consumption parallels an increase in prevalence of a multitude of diseases (e.g. colorectal cancer, multiple sclerosis).
- Conditions
- Dietary Fiber, Gastrointestinal Microbiome, Healthy Volunteers
- Trial name
- Lux-FiCo (NCT04352231)
- Testing
- High Fiber Diet Intervention, Low Fiber Diet Intervention
- Where
- 2 sites in Luxembourg
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Luxembourg Institute of Health
Study Focus: Weaning Gut Microbiota
Human Milk Oligosaccharides' Impact on Maturation of the Gut Microbiota
Human milk oligosaccharides (HMOs) are the third largest component of human milk after fat and milk sugar (lactose). HMOs play an important role in selecting the gut microbiota (GM) in newborn breastfed infants.
- Trial name
- Milkome (NCT07026526)
- Where
- Denmark
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Technical University of Denmark
Postoperative Wound Infection Deep Incisional Surgical Site, Prosthesis and Implants
Effect of Photodynamic Therapy on Skin Microbiome. Single Center Study (PHOMIC-II)
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
- Postoperative Wound Infection Deep Incisional Surgical Site, Prosthesis and Implants, Surgical Site Infection, Prosthetic Joint Infection
- Trial name
- NCT04618276
- Testing
- Photodynamic Therapy
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Healthy
Effect of 12-week Probiotic Consumption Immobilized on Oat Flakes on Blood and Urine Biomarkers and Human Microbiome
The purpose of this clinical trial was to evaluate the effects Lactococcus cremoris spp. im-mobilized on oat flakes on human microbiome and blood and urine biomarkers of associated with human health.
- Trial name
- FOODBIOMES CT2 (NCT06293859)
- Testing
- Probiotic oat flakes, Conventional oat flakes
- Where
- Greece
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- University of the Aegean
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
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
Mucosal Microbiome, Gastric Intestinal Metaplasia
Mucosal Microbiome in Human Gastric Intestinal Metaplasia and Duodenal Tissue.
To investigate the mucosal microbiome in human gastric intestinal etaplasia and duodenal tissue.
- Conditions
- Mucosal Microbiome, Gastric Intestinal Metaplasia, Duodenum
- Trial name
- NCT02428426
- Testing
- endomicroscopy, targeted biopsy and 16s rRNA gene sequencing
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shandong University