Clinical trials: Microbiota
Microbial Substitution, Tryptophan Metabolism Alterations
Impact of Gut Microbiota and Tryptophan Metabolites on Acute Pain in Lumbar Disc Herniation Surgery Patients
It is well-established that the gut microbiota plays a crucial role in various pain mechanisms, including visceral pain, inflammatory pain, headache, neuropathic pain, and opioid tolerance.
- Conditions
- Microbial Substitution, Tryptophan Metabolism Alterations, Postoperative Pain, Acute
- Trial name
- NCT06502223
- Testing
- Pain Perception in Patients Undergoing Lumbar Disc Herniation Surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 37 people
- Sponsor
- Dokuz Eylul University
Excessive Intestinal Gas Production
Evaluation of a 28-day Fermented Milk Product Consumption Twice Daily as Compared to a Non-fermented Milk Product on Intestinal Gas Production in Healthy Subjects High Dihydrogen Producers
The purpose of this study is to assess the effect of a 28-day fermented milk product consumption twice daily on intestinal gas production of dihydrogen (H2) and methane (CH4) in healthy subjects high H2 producers.
- Trial name
- BREEZE (NCT03015441)
- Testing
- Milk product fermented by lactic bacteria or not fermented
- Where
- Germany
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Danone Global Research & Innovation Center
Clostridium Difficile Infection, Fecal Microbiota Transplantation
The Dynamic Fluctuation of Donor Microbiota Affects the Prognosis of Fecal Microbiota Transplantation for C. Difficile Infection
Fecal microbiota transplantation (FMT) achieves the purpose of treating intestinal and extra-intestinal diseases by transplanting the functional microbes in the feces of healthy people into the patient's intestine through the…
- Trial name
- NCT05703477
- Testing
- Fecal microbiota transplantation
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Shanghai 10th People's Hospital
Exercised Induced Asthma, Asthma
The Effects of Prebiotics on Gut Bacterial Parameters, Immune Function & Exercise-Induced Airway Inflammation.
The current study aims to explore the role of prebiotic supplementation in adults with and without Asthma/Exercise-Induced Bronchoconstriction (A/EIB).
- Trial name
- NCT02872675
- Testing
- HOST-DM059, Maltodextrin
- Where
- United Kingdom
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Nottingham Trent University
Helicobacter Pylori, Gut Microbiota
Helicobacter Pylori Eradication Therapy in Portugal
Helicobacter pylori (H. pylori) infection remains a major public health problem, with an estimated prevalence of over 50% worldwide and 60-86% for Portugal. H.
- Conditions
- Helicobacter Pylori, Gut Microbiota, Immunology
- Trial name
- NCT05449028
- Testing
- H. pylori eradication scheme A, H. pylori eradication scheme B, H. pylori eradication scheme C
- Where
- Portugal
- Volunteers
- 230 people
- Sponsor
- Unidade Local de Saúde de Coimbra, EPE
Healthy
The Relationship Between Diet, Cognition, Stress, and the Gut Microbiota
This study aims to investigate the relationship between diet and the microbiota-gut-brain axis.
- Trial name
- NMB (NCT05931536)
- Testing
- Dietary fibre
- Where
- Ireland
- Volunteers
- 350 people
- Sponsor
- University College Cork
Vagina Disease, Vaginal Community State Type
Baseline Study of Vaginal Microbiota in Healthy Chinses Female Population
The reproductive tract microecology is an important part of the human microbial system. Microorganisms and the host reproductive tract environment form a stable symbiotic relationship.
- Trial name
- BSOVM (NCT04887636)
- Where
- China
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Inflammatory Bowel Disease, Crohn's Disease (CD)
Standardized Fecal Microbiota Transplantation for Crohn&Apos;s Diseases
The gut microbiota is considered to constitute a "microbial organ" which has pivotal roles in the intestinal diseases and body's metabolism.
- Trial name
- NCT01793831
- Testing
- FMT
- Where
- 2 sites in China
- Volunteers
- 800 people
- Sponsor
- The Second Hospital of Nanjing Medical University
Healthy Subjects
Safety and Efficacy Study of Different DAV132 Dose Regimens in Healthy Volunteers
The purpose of this study is to evaluate whether different DAV132 dose regimens are safe and effective for capturing fecal residues of moxifloxacin in healthy volunteers.
- Trial name
- NCT02917200
- Testing
- Moxifloxacin, DAV132, Negative control
- Where
- France
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Da Volterra
Mild Cognitive Impairment
Efficacy of MEMORMAX in Subjects With MCI
This is a single-center, randomized, double-blinded placebo for the first 6 months of treatment in subjects with mild cognitive impairment.
- Trial name
- ABO-MEMO (NCT03581929)
- Testing
- Memormax
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- Aboca Spa Societa' Agricola
Influenza
The Interaction Between Mucosal Microbiota Colonization and the Immune Response to an Intranasal Influenza Live Attenuated Vaccine
This is a single-center, randomized, open-label trial designed to explore the interaction between mucosal microbiota colonization in the nasal cavity and gut and the immune response to an intranasal live attenuated influenza…
- Trial name
- NCT06609811
- Testing
- Intranasal Influenza Live Attenuated Vaccine
- Where
- China
- Volunteers
- 201 people, healthy volunteers welcome
- Sponsor
- Jiangsu Province Centers for Disease Control and Prevention
Colorectal Cancer Metastatic, Fecal Microbiota Transplantation
Using Healthy Gut Bacteria to Boost Immune Treatment for Advanced Bowel Cancer
This research protocol outlines an exploratory study on the combination of early-life fecal microbiota transplantation (yFMT) with immunotherapy and chemotherapy in patients with microsatellite stable metastatic colorectal cancer…
- Trial name
- NCT07486492
- Testing
- yFMT
- Volunteers
- 10 people
- Sponsor
- The First Affiliated Hospital of Xiamen University
Poor Sleep Quality, Gut Microbiome
The Impact of Overnight Active Temperature Regulation on the Gut Microbiome, Inflammation, and Circadian Rhythm.
This study examines whether two continuous weeks of overnight active temperature regulation (via the Eight Sleep Pod) use affects gut microbiome composition, inflammation, and the body's daily temperature and blood pressure…
- Conditions
- Poor Sleep Quality, Gut Microbiome, Gut Health, Inflammation
- Trial name
- NCT07848594
- Testing
- Overnight Active Temperature Regulation: Eight Sleep Pod System
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Eight Sleep Inc.
Host and Microbiome, Pregnancy Outcomes
Human Genes and Microbiota in Early Life
The long-term goal of the Human Genes and Microbiota in Early Life (HuGME) is to explore the short- and long-term effects of maternal microbiota during pregnancy and the microbiota colonization of their offspring early in life…
- Conditions
- Host and Microbiome, Pregnancy Outcomes, Pregnancy Complications, Neurodevelopmental Disorders
- Trial name
- HuGME (NCT06926166)
- Testing
- No intervention
- Where
- China
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- Guangzhou Women and Children's Medical Center
Heart Valve Surgery
Characterizations of Gut Microbiota and Postoperative Sleep in Patients Undergoing Heart Valve Surgery With Cardiopulmonary Bypass
The investigators designed a study to assess whether there is any change in gut microbiota and postoperative sleep before and after heart valve surgery with cardiopulmonary bypass.
- Trial name
- NCT05136001
- Testing
- polysomnography
- Where
- China
- Volunteers
- 36 people
- Sponsor
- China Medical University, China
Hypertension
The Role of Gut Microbiota in Hypertension
Hypertension is the single most prevalent risk factor for heart diseases, heart failure, kidney failure and stroke. About 1 in 3 adults in the United States have hypertension.
- Trial name
- NCT02188381
- Testing
- Stool Sample and Blood Sample
- Where
- United States
- Volunteers
- 292 people, healthy volunteers welcome
- Sponsor
- University of Florida
Rectal Cancer
The Impact of Probiotic Intervention on the Gut Microbiota and Bowel Function
This study aims to propose a novel, easy-to-operate intervention strategy that effectively improves defecation function after stoma reversal and to assess its impact on the gut microbiota.The efficacy and safety of antegrade…
- Trial name
- NCT07369830
- Testing
- Clostridium butyricum (live) Tablets(Meiya)
- Where
- China
- Volunteers
- 156 people
- Sponsor
- Huashan Hospital
Ulcerative Colitis
Fecal Microbiota Transplantation in Ulcerative Colitis
Fecal Microbiota Transplantation(FMT) - reconstitution of normal flora by a stool transplant from a healthy individual, is increasingly being recognized as a therapeutic modality for diseases that are associated with gut…
- Trial name
- NCT03273465
- Testing
- Fecal transplantation
- Where
- Israel
- Volunteers
- 100 people
- Sponsor
- Assaf-Harofeh Medical Center
Urinary Tract Infection, Pyelonephritis
Cranberry-lingonberry Juice Started During Acute Infection in Prevention of Urinary Tract Infections in Children
Cranberry and cranberry-lingonberry juice prevented urinary tract infections in children and in adults in our earlier clinical trials.
- Conditions
- Urinary Tract Infection, Pyelonephritis, Cystitis
- Trial name
- NCT01861353
- Testing
- Cranberry-lingonberry juice
- Where
- Finland
- Volunteers
- 113 people
- Sponsor
- University of Oulu
Intestinal Colonization With Multidrug-resistant Bacteria
Eradication of Antibiotic-resistant Bacteria Through Antibiotics and Fecal Bacteriotherapy
This investigator initiated,international, multicenter open-label, randomized controlled trial aims to assess whether a 5 day course of oral nonabsorbable antibiotics (colistin sulfate 2 million IU per os 4x/day and neomycin…
- Trial name
- R-GNOSIS WP3 (NCT02472600)
- Testing
- Colistin, Neomycin, Fecal microbiota transplantation (FMT)
- Where
- 4 sites in France, Israel and 2 more
- Volunteers
- 39 people
- Sponsor
- Stephen Harbarth