Clinical trials: Intestinal Microbiota
Obesity
Metabolic Flexibility to Predict Lifestyle Interventions Outcomes
Weight loss is a cornerstone of diabetes (T2D) management, yet in clinical practice, its delivery is limited by its perceived burdensome nature and variability in response.
- Trial name
- MEPHISTO (NCT06329349)
- Testing
- Exercise, Combined Exercise + Diet
- Where
- 3 sites in Czechia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Charles University, Czech Republic
Colorectal Cancer, Surgery
Microbiota Implementation to Reduce Anastomotic Colorectal Leaks (MIRACLe)
Aim of this study is to implement the intestinal microbiota by perioperative administration of probiotics, oral antibiotics and low volume mechanical preparation in order to reduce the incidence of colorectal anastomotic leaks…
- Conditions
- Colorectal Cancer, Surgery, LAP, Anastomotic Leak
- Trial name
- MIRACLe (NCT05164887)
- Testing
- Laparoscopic colorectal resection
- Where
- Italy
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- S.Eugenio Hospital
Central Serous Chorioretinopathy
the Study of the Association Between the Gut Microbiota and Central Serous Chorioretinopathy
To investigate the potential association between gut microbiota and central serous chorioretinopathy (CSC), clinical observations have indicated that patients with CSC frequently present with chronic gastrointestinal symptoms.
- Trial name
- NCT06527326
- Testing
- Live Combined Bifidobacterium
- Where
- China
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
ADHD, ADHD - Attention Deficit Disorder With Hyperactivity
A Clinical Trial Evaluating Fecal Microbiota Transplantation (FMT) in Adolescents With ADHD
The primary goals of this phase 2 clinical trial are to determine the feasibility, safety, and tolerability of oral Fecal Microbiota Transplantation (FMT) in adolescents (aged 13-17) with Attention-Deficit/Hyperactivity Disorder…
- Conditions
- ADHD, ADHD - Attention Deficit Disorder With Hyperactivity, ADHD - Combined Type
- Trial name
- FMT-ADHD-2026 (NCT07756255)
- Testing
- Fecal Microbiota Transplant (FMT), Nitazoxanide 500mg BID, Vancomycin 250mg BID
- Where
- Canada
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Metabolic Syndrome, Impaired Glucose Tolerance
The Health Effect of Diet Rich in Nordic Berries
Dietary polyphenols might have beneficial effects on glucose and lipid metabolism based on the studies made in animals or cell cultures.
- Conditions
- Metabolic Syndrome, Impaired Glucose Tolerance, Low-grade Inflammation, Dyslipidemia
- Trial name
- Berry (NCT01414647)
- Testing
- 300 g of strawberry, raspberry and cloudberry, 400 g of bilberry, Control diet
- Where
- Finland
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Marjukka Kolehmainen
Obsessive-Compulsive Disorder
The Gut Microbiota in Obsessive-Compulsive Disorder
This study will examine the gut microbiota and serum inflammatory markers in patients with Obsessive-Compulsive Disorder vs. healthy controls.
- Trial name
- NCT02285699
- Testing
- SSRIs
- Where
- Canada
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- McMaster University
Pancreatic Cancer, Microbiota
Characteristics of Intestinal Microbiome Following Pancreatic Surgery
The goal of this observational study is to learn about intestinal microbiome structure and function in individuals who have undergone a pancreatoduodenectomy and compare to healthy matched controls.
- Conditions
- Pancreatic Cancer, Microbiota, Pancreatoduodenectomy
- Trial name
- NCT06319755
- Where
- Australia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Royal Prince Alfred Hospital, Sydney, Australia
Elderly, Probiotics
Effect of Multi-species Probiotic HOWARU® Restore, on Gut Microbiota of Elderly
The study is randomized, double-blinded and placebo-controlled with a duration of 24 weeks. Following randomization, healthy elderly are randomized into two groups receiving probiotics or placebo.
- Conditions
- Elderly, Probiotics, Clostridium Difficile, Gut Microbiota
- Trial name
- NCT02207140
- Testing
- HOWARU Restore
- Where
- Denmark
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Gabriella C. van Zanten
Diet Prevention of Metabolic Diseases
Prebiotic Effects on Glucose Tolerance
The primary purpose of this project is to evaluate effects in healthy humans on glucose tolerance of cereal products with high amounts of fermentable dietary fibre.
- Trial name
- NCT03944343
- Testing
- Cereal based products
- Where
- Sweden
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Lund University
Healthy Volunteers
Effects of S. Boulardii and Amoxicillin/Clavulanate on Gut Microbiota
The purpose of this study is to compare and contrast the effects of the probiotic Saccharomyces boulardii, the antibiotic amoxicillin/clavulanate and the combination on the gut microbiota of healthy volunteers.
- Trial name
- NCT01473368
- Testing
- Saccharomyces boulardii, Amoxicillin Clavulanate
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Beth Israel Deaconess Medical Center
Muscle Weakness
The Effect of GI Biome #7 on Gut Microbiome and Health of the Elderly
This study aims to investigate the effects of probiotics named GI Biome #7 on the gut microbiome and muscle strength in older adults aged 60 years or older.
- Trial name
- NCT05735418
- Testing
- GI Biome #7
- Where
- South Korea
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Healthy, Overweight (BMI > 25)
Effect of Probiotics on Appetite Regulation in Adults With Overweight/Obesity
The goal of this 16-week randomised, placebo-controlled parallel study is to investigate the effect of a newly formed probiotic supplement on satiety and gut microbiota composition in healthy men and women with overweight or…
- Conditions
- Healthy, Overweight (BMI > 25), Overweight , Obesity, Male
- Trial name
- ProBiSat (NCT07715955)
- Testing
- Probiotic supplementation
- Where
- Netherlands
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Intestinal Microbiota, Complication of Transplanted Liver
Human Microbiota and Liver Transplant
The microbiota represents the collections of microbial communities that colonize a host. In health, the microbiota protects against pathogens and maturation of the immune system.
- Conditions
- Intestinal Microbiota, Complication of Transplanted Liver, Acute Rejection of Liver Transplant, Infection
- Trial name
- NCT02223468
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Hospital Vall d'Hebron
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
Periodontitis, Chronic Kidney Diseases
Association Between Periodontitis and Chronic Kidney Disease
The goal of this observational study is to explore the comorbid association between periodontitis and chronic kidney disease (CKD) based on the oral-renal axis in adults aged 18 to 75 years.
- Trial name
- NCT07506590
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Yu Tang
Human Microbiome
A Clinical Trial for Analysis of Intestinal Microbiome Affecting PK, PD, and Safety of Metformin
This clinical trial is intended to evaluate the effects of the changes in intestinal microbiome by antibiotics (PO vancomycin) on the pharmacokinetic /pharmacodynamic and safety profiles of metformin in healthy male volunteers.
- Trial name
- NCT03809260
- Testing
- Metformin (part 1), Vancomycin, Metformin (part 2)
- Where
- South Korea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Nutrition, Ketogenic Diet
Dietary Macronutrients and Gut Microbiota, Inflammation, and Metabolic Markers
This 12-week randomized controlled trial will investigate the effects of dietary patterns with different macronutrient compositions on gut microbiota, intestinal inflammation, gene expression, and metabolic health in healthy…
- Conditions
- Nutrition, Ketogenic Diet, Gene Expression, Diet
- Trial name
- DIETMICRO (NCT07672691)
- Testing
- Ketogenic Diet (KD), Vegetarian Diet (VD), Control Diet (CD)
- Where
- 2 sites in Poland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The Jerzy Kukuczka Academy of Physical Education in Katowice
Asphyxia Neonatorum, Morbidity;Newborn
Effects of Probiotic Mixture Supplementation and Evaluation of Intestinal Mucosal Tolerance and Gut Microbiome in Newborns With Perinatal Asphyxia Receiving Hypothermic Treatment
The VISNAT trial is a PILOT STUDY due to absence of previous evidences in literature on using probiotic in newborns with perinatal asphyxia.
- Trial name
- VISNAT (NCT04145713)
- Testing
- Probiotic mixture
- Where
- Italy
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Policlinico Hospital
Type 2 Diabetes
Effect of Bile Acid Sequestration on Postprandial GLP-1 Secretion, Glucose Homeostasis and Gut Microbiota
Accumulating evidence suggests that bile acids and bacteria in our intestines may constitute essential components in the complex mechanisms regulating gut hormone secretion and glucose homeostasis.
- Trial name
- NCT02061124
- Testing
- Sevelamer 1600 mg TID for 7 days
- Where
- Denmark
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University Hospital, Gentofte, Copenhagen
Microbiota
Stability of the Microbiome in IBD and IBS
In this study the investigators aim to investigate the changes of the intestinal microbiome in three different cohorts (IBD, IBS, healthy) after applying the uniform disruptive factor of osmotic diarrhea induced by macrogol.
- Trial name
- NCT03395548
- Testing
- Macrogol
- Where
- Austria
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
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