Clinical trials: Gastrointestinal Microbiome, open to volunteers
Kidney Calculi, Ureteral Calculi
Impact of Humid-Heat on Gut-Tryptophan-Stone Pathway
Investigating the differences in gut microbiota composition and tryptophan metabolite levels between kidney stone patients and healthy individuals, with special focus on: 1.
- Trial name
- NCT07043374
- Volunteers
- 270 people, healthy volunteers welcome
- Sponsor
- Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
PDAC - Pancreatic Ductal Adenocarcinoma, Pancreatic Cancer
Volatile Organic Compound Assessment in Pancreatic Ductal Adenocarcinoma
Patients with early pancreatic cancer often have symptoms that could also be caused by many common benign conditions, or no symptoms at all.
- Trial name
- VAPOR (NCT05727020)
- Testing
- Breath test, Collection of matched samples of breath, biofluids and pancreatic tissue
- Where
- United Kingdom
- Volunteers
- 1,005 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Depression - Major Depressive Disorder, Generalized Anxiety Disorder (GAD)
Microbiota Modulation for Psychiatry Patients
The investigators aim to confirm pilot study findings (REB 119638) on the effects of delayed release apple cider vinegar (drACV).
- Conditions
- Depression - Major Depressive Disorder, Generalized Anxiety Disorder (GAD), Anxiety
- Trial name
- ACV-MTPIES-002 (NCT07899424)
- Testing
- Dietary Supplement: Acetate (Apple Cider Vinegar)
- Volunteers
- 62 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Recurrent C. Difficile (rCDI), Ulcerative Colitis (UC)
Multi-omics Dissection of Gut Microbiome Engraftment During FMT
The gut microbiota plays a key role in immunity and metabolism and contributes to diseases such as recurrent C. difficile infection (rCDI), ulcerative colitis (UC), and metabolic syndrome (MetS).
- Conditions
- Recurrent C. Difficile (rCDI), Ulcerative Colitis (UC), Metabolic Syndrome (MetS)
- Trial name
- DissEcT (NCT06992453)
- Testing
- Fecal microbiota transplantation (FMT)
- Where
- Italy
- Volunteers
- 90 people
- Sponsor
- Catholic University of the Sacred Heart
Endometriosis, Infertility
Pesticides and Infertility: Oxidative Stress Via Circulating Cell-free DNA and Gut/Genital Microbiome Signatures in Women With Endometriosis
This project PestiEndoMicro aims to provide an innovative approach, studying endometriosis under the genital and gut microbiota scope.
- Conditions
- Endometriosis, Infertility, Female Fertility, Cell Free DNA
- Trial name
- PestiEndoMicro (NCT07471373)
- Testing
- Circulating DNA analysis, Vaginal microbiota analysis, Endometrial microbiota analysis
- Where
- France
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire, Amiens
Fibromyalgia, Fibromyalgia (FM)
The Effect of Fermented Grape Juice Consumption on Fibromyalgia Patients
The goal of this clinical trial is to learn if a traditional grape-based fermented drink called hardaliye helps treat fibromyalgia in adult women.
- Conditions
- Fibromyalgia, Fibromyalgia (FM), Fibromyalgia Syndrome, Primary
- Trial name
- NCT07403929
- Testing
- Medical Nutrition Therapy (MNT), Hardaliye (200 mL/day)
- Where
- Turkey (Türkiye)
- Volunteers
- 45 people
- Sponsor
- Hacettepe University
Ulcerative Colitis
Multi-Strain Probiotics Supplementation With Standard Care in Mild to Moderate Ulcerative Colitis
Probiotics are one of the adjunctive treatments that have been extensively explored for Ulcerative colitis (UC) disease management.
- Trial name
- NCT06595719
- Testing
- Multi-Strain Probiotics
- Where
- Malaysia
- Volunteers
- 124 people
- Sponsor
- National University of Malaysia
Colorectal Cancer, Colon Cancer
MIMICC Study in Patients With Colorectal Cancer
This multicenter prospective interventional study will evaluate stool and saliva microRNA expression and microbiome composition in patients with histologically confirmed colon or rectal cancer during key phases of the diagnostic…
- Conditions
- Colorectal Cancer, Colon Cancer, Rectal Cancers
- Trial name
- MIMICC (NCT07494201)
- Testing
- Prospective Biological Sample Collection and Longitudinal Molecular Profiling, Diet and Lifestyle Assessment
- Where
- Italy
- Volunteers
- 2,500 people
- Sponsor
- Fondazione del Piemonte per l'Oncologia
Prediabetes or Overweight
Whole Food Fibers for Support of Key Gut Bacteria for Human Health
The purpose of this supplementation study is to understand how whole food fibers may affect gut microbiota composition and overall health. The investigators will enroll up to 24 people in this study.
- Trial name
- NCT07840170
- Testing
- Whole food fiber mixture, inulin
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Purdue University
Gut Microbiota
Gut Mini-Pill Study
The purpose of this proof-of-concept study in humans is to determine if a noninvasive, ingestible device, called a "mini-pill", can collect gastrointestinal (GI) luminal content samples from 2 different locations along the GI…
- Trial name
- NCT07220369
- Testing
- plant-based meat alternative entrees, mini-pill, meat based entree
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tufts University
Stress, Sleep
Evaluating the Effects of Nutritional Interventions on Sleep, the Gut Microbiome, Cognition, and Stress.
This will be a double-blind, placebo-controlled, parallel-group trial. Participants who are poor sleepers will be randomised to receive one of two investigational supplements, or a placebo control supplement, over a 28-day…
- Conditions
- Stress, Sleep, Cognition, Nutrition
- Trial name
- NCT07369869
- Testing
- Proprietary 'active' composition 1, Proprietary 'active' composition 2, Inactive control supplement
- Where
- United Kingdom
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Type 2 Diabetes Mellitus in Obese, Type 2 Diabetes
LCMD for Type 2 Diabetes Remission: Evaluation of Effectiveness and Exploration of Individual Differences
Type 2 diabetes (T2DM) has become a major public health problem. Achieving remission (HbA1c<6.5% without glucose-lowering medications) has recently become a new treatment goal.
- Trial name
- LCMD (NCT06442150)
- Testing
- Low-Calorie Medicine Diet, Low-Calorie Diet
- Where
- China
- Volunteers
- 170 people
- Sponsor
- Shanghai Municipal Hospital of Traditional Chinese Medicine
Autoimmune Hepatitis, Primary Sclerosing Cholangitis
Liver-gut Axis Study Through Identification of Liver Disease-specific Microbiome
In this study, we aim to identify gut microbiomes specific to patients with chronic refractory liver disease and to conduct a gut-liver axis study on the pathogenesis and disease progression.
- Conditions
- Autoimmune Hepatitis, Primary Sclerosing Cholangitis, Non-Alcoholic Fatty Liver Disease, Liver Abscess
- Trial name
- LGAS (NCT06519162)
- Where
- South Korea
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Chungnam National University Hospital
Allergic Rhinitis, Allergic Rhinitis (AR)
Effect of Combined Probiotics and Vitamin D on Symptoms of Allergic Rhinitis
The goal of this clinical trial is to learn if taking probiotics, vitamin D, or both together can help lower symptoms of allergic rhinitis (AR) and improve quality of life in adults.
- Trial name
- NCT07115342
- Testing
- Standard Allergic Rhinitis Treatment, Combined Vitamin D and Probiotics Supplementation
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Tanta University
Clostridium Difficile, Inflammatory Bowel Disease
Fecal Microbiome Transplant
Fecal Microbiota Transplant (FMT) in pediatric patients with recurrent C. Difficile with or without Inflammatory Bowel Disease (IBD) The aims of this study are to determine the safety and efficacy of FMT treatment in pediatric…
- Conditions
- Clostridium Difficile, Inflammatory Bowel Disease, Crohn's Disease, Ulcerative Colitis
- Trial name
- NCT02636517
- Testing
- Fecal Microbiota Transplant
- Where
- United States
- Volunteers
- 250 people
- Sponsor
- Judith Kelsen
Escherichia Coli; Infection, Intestinal
Study of the Ecological and Evolutionary Dynamics of Escherichia Coli in the Digestive Commensal Flora
Escherichia coli (E. coli) poses a major public health problem. E. coli is not only a commensal of the digestive tract but also a major opportunistic pathogen, first cause of urinary tract infections, first cause of bacteremia.
- Trial name
- EVE (NCT05153824)
- Where
- 2 sites in France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Irritable Bowel Syndrome (IBS), Small Intestinal Bacterial Overgrowth Syndrome (SIBO)
Herbal Supplement (Biocidin REMOVE) for Bacterial Overgrowth in Irritable Bowel Syndrome
The goal of this clinical trial is to learn if an herbal supplement called Biocidin REMOVE can clear small intestinal bacterial overgrowth (SIBO) in adults with irritable bowel syndrome (IBS).
- Trial name
- NCT07768267
- Testing
- Biocidin REMOVE
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Johns Hopkins University
Hematologic Neoplasms, Gastrointestinal Symptoms
Effects of Synbiotic Supplementation on Gastrointestinal Symptoms, Appetite, and Nutritional Recovery in Patients After Autologous Bone Marrow Transplant
Patients undergoing autologous bone marrow transplantation (ABMT) receive high-dose chemotherapy and routine prophylactic antibiotics, which often disrupt the gut microbiome (dysbiosis).
- Conditions
- Hematologic Neoplasms, Gastrointestinal Symptoms, Malnutrition, Loss of Appetite
- Trial name
- NCT07845669
- Testing
- Tri-component Synbiotic Supplement
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Alexandria University
Type 1 Diabetes Mellitus
Effect of Inulin Supplementation on Glycaemic Control and Immunological Parameters in Type 1 Diabetes (2024)
The goal is to establish the effect of oral inulin supplementation on continuous glucose monitoring (CGM) metrics and immunological parameters in adults with type 1 diabetes.
- Trial name
- INCREASE (NCT07050888)
- Testing
- Inulin (prebiotic, fermentable fiber)
- Where
- 2 sites in Netherlands
- Volunteers
- 76 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Iron Deficiency
Improving Iron Levels in Female Endurance, Intermittent, and Power/Strength Athletes Aged 16-35
The goal of this clinical trial is to learn if different types and doses of oral iron supplements can improve iron levels, athletic performance, and gut health in young female athletes with low iron stores.
- Trial name
- FeSc2 (NCT06942208)
- Testing
- Low-dose iron (ferrous sulfate), Yeast-bound iron (ferrous sulfate), High-dose iron (ferrous sulfate)
- Where
- Canada
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Calgary