Clinical trials: Microbiota
Mechanisms, Defense
The Effect of Concord Grape Polyphenol-soy Protein Isolate Complex (GP-SPI) on Gut Microbiota
The overall purpose of this study is to evaluate the effect of nutritional supplementation with a well-characterized preparation of Concord grape polyphenol-soy protein isolate (GP-SPI) on the composition of the gut microbiota.
- Trial name
- NCT04018066
- Testing
- GP-SPI
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Clostridium Difficile Infection Recurrence
A Multi-center, Single-arm Trial Exploring the Safety and Clinical Effectiveness of RBX2660 Administered by Colonoscopy to Adults With Recurrent Clostridioides Difficile Infection
This trial will be initiated to explore whether RBX2660 (REBYOTA®) could be suitable for administration by the practice of colonoscopy.
- Trial name
- CDI-SCOPE (NCT05831189)
- Testing
- RBX2660
- Where
- 12 sites in United States
- Volunteers
- 41 people
- Sponsor
- Ferring Pharmaceuticals
Recurrent C. Difficile Associated Diarrhea
Fresh, Frozen or Lyophilized Fecal Microbiota Transplantation for Multiple Recurrent C. Difficile Associated Diarrhea
The objective of the study is to investigate the efficacy of fresh, frozen or lyophilized fecal microbiota transplantation (FMT) via colonoscopy in patients with recurrent C. difficile associated diarrhea (RCDAD).
- Trial name
- NCT02318992
- Testing
- Fecal Microbiota
- Where
- United States
- Volunteers
- 79 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Ulcerative Colitis Associated Pouchitis
FMT in Ulcerative Colitis-Associated Pouchitis
The purpose of this study is to test whether Fecal Microbiota Transplant (FMT) is a safe and effective treatment for people who have Ulcerative Colitis and have had an ileal pouch anastomosis.
- Trial name
- NCT02049502
- Testing
- biologically active human fecal microbiota, sigmoidoscopy
- Where
- 2 sites in United States
- Volunteers
- 8 people
- Sponsor
- Virginia O. Shaffer
Healthy
Healthy Volunteer Short Chain Fatty Acid Study
The purpose of this study is to evaluate the production of short chain fatty acids (fatty acids are part of your diet) in stool through the measurement of fecal inulin after a one-time ingestion of 10-gram dose of inulin among…
- Trial name
- NCT05254340
- Testing
- Inulin
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Indiana University
Bacterial Vaginosis
Effects of a Vaginal Contraceptive Ring on Vaginal Microbiota and Local Immunity
To assess potential benefits associated with both intermittent (use for 3 weeks, remove for 1 week, as defined in the package insert) and continuous (use for 4 weeks, then replace) CVR use among women either with BV or at high…
- Trial name
- NCT02432404
- Testing
- NuvaRing
- Where
- United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- University of Washington
Gut Health
Investigation of the Effects of Dietary Fibres on the Gut Microbiome in a Transgenerational Cohort
Dietary fibres are complex carbohydrates present in fruit, vegetables, grains, and beans which are broken down into smaller molecules (short-chain fatty acids) in the colon by the gut microbiota.
- Trial name
- NCT05364437
- Testing
- Dietary Fibres Supplement, Cellulose Control
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Obesity
Fecal Microbiota Transplant for Improvement of Metabolism
The purpose of this study is to study the impact of gut bacteria on weight. Fecal microbiota transplantation (FMT) transfers intestinal bacteria by a "stool transplant" from a healthy, lean person to a person with obesity.
- Trial name
- FMT-TRIM (NCT02530385)
- Testing
- FMT Capsules
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Massachusetts General Hospital
Obesity, Morbid, Insulin Resistance
Stool Transplantation for Treatment of Insulin Resistance in Morbidly Obese Patients
More and more people in Canada and around the world are severely (morbidly) obese, and this is associated with a high risk for poor blood sugar control (insulin resistance, IR) and diabetes.
- Trial name
- NCT02970877
- Testing
- Fecal filtrate from 150 g stool from healthy lean donors, Fecal filtrate from 150 g of the recipient's own stool
- Where
- Canada
- Volunteers
- 29 people
- Sponsor
- Johane Allard
Healthy
Almonds: Digestive Health and Immune Function of Adults and Children
The purpose of this study is to determine whether incorporating almonds into the diets of families with young children will induce beneficial changes in gastrointestinal function, the fecal microbiota profile, and immune and…
- Trial name
- NCT01973595
- Testing
- Almonds, Then no almonds, No Almonds, Then almonds
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- University of Florida
Healthy Adults
Effect of Bismuth Subsalicylate on the Gut Microbiome and Host Response in Healthy Adults
Background: Many kinds of good or normal bacteria live on your skin and inside your stomach and intestines (gut). These bacteria are important to your health.
- Trial name
- NCT05930197
- Testing
- Bismuth subsalicylate
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Microbiota
Effect of Spice Consumption on the Microbiome
Several human intervention studies have also been performed that demonstrated beneficial effects of high polyphenol fruits and vegetable on the intestinal microbiome.
- Trial name
- NCT03676803
- Testing
- mixed spices
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Clostridium Difficile Infection, C.Difficile Diarrhea
The GRAFT Study: Gut RecolonizAtion by Fecal Transplantation
The primary objective of this study is to compare the gut microbiota and clinical outcomes of oral FMT during antibiotic treatment, immediately following antibiotic treatment, and placebo.
- Conditions
- Clostridium Difficile Infection, C.Difficile Diarrhea, CDI
- Trial name
- GRAFT (NCT03621657)
- Testing
- Low Dose FMT Capsule DE, Single Dose FMT Capsule DE
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- University of Wisconsin, Madison
Irritable Bowel Syndrome, Colitis, Ulcerative
Advanced Metagenomic Analysis of Human Colonic Microbiota in Patients With Chronic GI Disorders
This clinical trial hypothesize that Gut Microbiota (bacteria, viruses, fungi)play a major role in the occurrence and progression of many chronic gastrointestinal diseases like Irritable Bowel Syndrome, Inflammatory Bowel…
- Conditions
- Irritable Bowel Syndrome, Colitis, Ulcerative, Crohn Disease, Colonic Neoplasms
- Trial name
- NCT01099111
- Where
- Saudi Arabia
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- King Fahad Medical City
IBS - Irritable Bowel Syndrome
Irritable Bowel Syndrome and Control Volunteers: Diet Challenge
The purpose of this study is to study the relationship between the bile acids, short chain fatty acids and bacteria within the intestines.
- Trial name
- NCT03983434
- Testing
- Inulin
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Indiana University
Recurrent C. Difficile Infection
Dose Ranging Study of the Safety and Efficacy of Orally Administered Lyophilized Fecal Microbiota Product (PRIM-DJ2727) for the Treatment of Recurrent Clostridium Difficile Infection (CDI)
To establish optimal dosing of lyophilized Fecal microbiota transplantation (FMT) product in the treatment of recurrent C. difficile infection
- Trial name
- NCT03298048
- Testing
- Low fecal microbiota dose, Mid fecal microbiota dose, High fecal microbiota dose
- Where
- United States
- Volunteers
- 17 people
- Sponsor
- The University of Texas Health Science Center, Houston
Human Immunodeficiency Virus
Improving Prognosis in HIV Infection
The primary objective of this study is to assess the safety of probiotics in cART-treated immunologic non-responder (INR) patients with chronic HIV infection.
- Trial name
- NCT02640625
- Testing
- Probiotic compound
- Where
- Norway
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Helicobacter Pylori Infection
Comparing the Efficacy of Reverse Hybrid Therapy and Concomitant Therapy
Reverse hybrid therapy achieves a higher eradication rate than concomitant therapy remains unanswered.
- Trial name
- NCT02646332
- Testing
- (dexlan+amox+clar+metr)+(dexlan+amox), dexlan+clarith+amox+metro
- Where
- Taiwan
- Volunteers
- 248 people
- Sponsor
- Kaohsiung Veterans General Hospital.
Atopic Dermatitis (AD)
Effect of Dupilumab (Anti-IL4Rα) on the Host-Microbe Interface in Atopic Dermatitis
The purpose of this study is to understand the effect that T helper 2 (Th2) blockade has on well-described pathophysiological features of Atopic Dermatitis (AD), for example: barrier, epidermal activation, dysbiosis and epidermal…
- Trial name
- NCT03389893
- Testing
- Dupilumab
- Where
- 9 sites in United States
- Volunteers
- 72 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Psoriasis
Psoriasis Microbiome and Phototherapy
The ASPIRE study is a clinical trial designed to examine the microbes (e.g., bacteria) within psoriasis skin lesions compared with normal skin.
- Trial name
- NCT02552316
- Testing
- NB-UVB Phototherapy
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- University of Pennsylvania