Clinical trials: Gut Bacteria
Ulcerative Colitis
The Role of Gut Bacteria in the Immune Response to Vaccination in Patients With Ulcerative Colitis
Patients with the inflammatory bowel disease ulcerative colitis (UC) are a high-risk group encouraged to get vaccinated against seasonal influenza. It is also known that UC patients may have an altered gut microbiota.
- Trial name
- NCT06504784
- Testing
- Dietary Fiber Mixture
- Where
- Sweden
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Sahlgrenska University Hospital
Prebiotics, Anxiety
Gut-brain Axis, Brain Function, and Behaviour.
The aim is to test if dietary supplementation with prebiotics reduces measures of anxiety in healthy human participants with high self-reported levels of anxiety.
- Conditions
- Prebiotics, Anxiety, Humans, Magnetic Resonance Imaging
- Trial name
- NCT03554694
- Testing
- Prebiotics
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Enterobacteriaceae Infections, Multi-antibiotic Resistance
FMT to Eradicate Intestinal Colonization by Carbapenem-resistant Enterobacteriaceae
Antibiotic resistance (AR) is a critical public health threat and one of the greatest challenges of the 21st century. In an estimate of 2019, nearly 700.000 infections and 33.000 attributable deaths from multi-drug-resistant…
- Trial name
- FMT_CRE (NCT05791396)
- Testing
- Donor - FMT
- Where
- Italy
- Volunteers
- 36 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Lactose Malabsorption
Acid Lactase in Combination With Yoghurt Bacteria for Improvement of Lactose Digestion in Lactose Malabsorbers
Fermented dairy products, especially real Yoghurt, are often tolerated better by lactose malabsorbers than unfermented dairy products.
- Trial name
- NCT01593631
- Testing
- Acid lactase, Lyoph. yoghurt bacteria, Acid lactase plus yoghurt bacteria
- Where
- Germany
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Vitacare Gmbh & Co. KG
Atopic Dermatitis
Probiotic Bacteria to Infants With Atopic Dermatitis
The objective of the study is to examine whether 8 weeks intervention with probiotics influence the eczema in infants suffering from Atopic Dermatitis.
- Trial name
- NCT01007331
- Testing
- Lactobacillus acidophilus NCFM and Bifidobacterium lactis Bi-07
- Where
- Denmark
- Volunteers
- 62 people
- Sponsor
- University of Copenhagen
Healthy
Impact of Soluble Arabinoxylan and Rice Bran Fiber on the Gut Microbiome in Healthy Adults
The importance of the gut microbiota for general health has been recently elucidated, but little is known about the impact of different types of nutrients on the gut microbiota.
- Trial name
- NCT06873204
- Testing
- Soluble Arabinoxylan, Rice Bran
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Purdue University
Gastrointestinal Function, Intestinal Bacteria Flora
Effects of Probiotics on Improving the Gastrointestinal Function and Intestinal Bacterial Flora
The purpose of this study is to evaluate the effect of "combined probiotics" to improve the gastrointestinal function and intestinal bacteria flora
- Trial name
- NCT01428999
- Testing
- probiotics
- Where
- Taiwan
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- National Cheng-Kung University Hospital
Rotavirus Infections, Reaction - Vaccine Nos
Does the Fecal Microbiome Influence Rotarix Immunogenicity
This is a proposal for a nested case-control study within an ongoing rotavirus vaccine immunogenicity clinical trial Karachi, Pakistan.
- Conditions
- Rotavirus Infections, Reaction - Vaccine Nos, Intestinal Bacteria Flora Disturbance
- Trial name
- NCT02220439
- Volunteers
- 76 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
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
Anemia
How Precision Diets, Through Gut Bacteria, Affect Anemia in Nepalese Adolescent
This study aims to evaluate whether a food-based nutrition intervention using goat liver can improve anemia among adolescent girls in Kathmandu, Nepal, and compare its effectiveness with the current standard iron and folic acid…
- Trial name
- NCT07661602
- Testing
- Iron folic acid supplement, Goat liver supplementation, Nutrition education on anemia prevention and control
- Where
- Nepal
- Volunteers
- 60 people
- Sponsor
- Southern Medical University, China
Acne Vulgaris
Comparing Sarecycline and Doxycycline Effects on the Skin and Gut Bacteria in Acne.
This study is being done to help better understand how the gut and skin bacteria of the body change when people with acne are treated with Sarecycline or Doxycycline.
- Trial name
- NCT07544251
- Testing
- Sarecycline, Doxycycline
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Integrative Skin Science and Research
Bacteria Infection Mechanism
Study of Factors Influencing the Dynamics of Colonisation and Decolonisation of the Digestive Tract by Clostridioides Difficile in Infants
Clostridioides difficile (formerly C. difficile) is a bacterium found in the form of spores (a resistant form) to which patients may be exposed in a hospital environment.
- Trial name
- BBDIFF (NCT07512908)
- Testing
- cohort follow up
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Fondation Hôpital Saint-Joseph
Right-sided Colon Cancer, Right-sided Colon Adenoma
Preoperative Endoscopic Treatment With Fosfomycin and Metronidazole in Patients With Right-sided Colon Cancer and Colon Adenoma (MEFO-trial)
Clinical studies have shown that patients with right-sided colon cancer have reduced progression-free and overall survival compared to patients with left-sided colon cancer.
- Trial name
- MEFO (NCT04312360)
- Testing
- therapeutic endoscopy with metronidazole and fosfomycin disodium
- Where
- 2 sites in Denmark
- Volunteers
- 28 people
- Sponsor
- Zealand University Hospital
Healthy
The Effect of Metformin on Composition of Human Gut Bacteria
OBJECTIVE: Investigate structural changes in the human gut microbiota and associated changes in metabolic markers in urine, saliva, blood and fecal samples following metformin treatment.
- Trial name
- NCT02546050
- Testing
- Metformin
- Where
- Denmark
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Oluf Borbye Pedersen
Healthy
Mapping the Impact of Gut Microbiota on Brain and Behavior Through the Lens of GABA
Gut microbiota produce different metabolites within the human body, which include neurotransmitters. Animal studies have demonstrated a critical role for the gut microbiota in various aspects of brain and behavioural function…
- Trial name
- GutBrainGABA (NCT05698862)
- Testing
- Probiotic
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Reading
Irritable Bowel Syndrome, IBS
Study of Bacteria on Mood and Bowel Symptoms in Patients With Irritable Bowel Syndrome
The purpose of this study is to determine whether probiotic bacterium Bifidobacterium longum (B. longum) can improve mood and bowel symptoms in patients with Irritable bowel syndrome (IBS).
- Trial name
- NCT01276626
- Testing
- Bifidobacterium longum, Maltodextrin
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- Société des Produits Nestlé (SPN)
End Stage Renal Disease (ESRD)
Food Preparation Effects on Gut Bacteria in Patients on Peritoneal Dialysis
This is an intervention study of the effects of food preparation on the gut bacteria in patients with end stage renal disease on peritoneal dialysis.
- Trial name
- NCT02467530
- Testing
- AGE
- Where
- United States
- Volunteers
- 103 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Beneficial Bacteria in Gut
Color Synbiotics Study
This study is initiated to investigate the effect of infant formula with added specific synbiotics mixture on proportion of beneficial bacteria.
- Trial name
- NCT01813175
- Testing
- Regular non-hydrolysed cow's milk I, Regular non-hydrolysed cow's milk II, Regular non-hydrolysed cow's milk - control
- Where
- 3 sites in Thailand
- Volunteers
- 290 people, healthy volunteers welcome
- Sponsor
- Danone Asia Pacific Holdings Pte, Ltd.
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
Clostridium Difficile Infection
Harnessing the Healthy Gut Microbiota to Cure Patients With Recurrent C. Difficile Infection
CDI (Clostridium difficile infection) causes diarrheal illness and can cause colitis which may be fatal. A patient being treated for CDI has a 10-25% chance of developing relapse. Recurrent CDI is on the rise.
- Trial name
- NCT01372943
- Testing
- "synthetic stool" or pure cultures of probiotic intestinal bacteria
- Where
- Canada
- Volunteers
- 4 people
- Sponsor
- Queen's University