Clinical trials: GI Tract Disorders
Microbiome, Vaccine
Gut Microbiota, the Potential Key to Modulating Humoral Immunogenicity of New Platform COVID-19 Vaccines
Vaccination is the best way to mitigate the coronavirus disease 2019 (COVID-19) pandemic, but the vaccine immunogenicity may be quite variable from person to person.
- Conditions
- Microbiome, Vaccine, Covid-19, SARS-CoV-2
- Trial name
- NCT05150834
- Testing
- This is observational study
- Where
- South Korea
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Korea University Guro Hospital
Acquired Immunodeficiency Syndrome, Healthy Volunteers
Effects of Crofelemer on the Gut Microbiome in Healthy Volunteers and in HIV+ Patients With Non-Infectious Diarrhea
This study is intended to evaluate: 1. Any changes in the gut microbiome from baseline compared to end of study in both healthy (HIV-negative) subjects and HIV+ patients with or without chronic diarrhea, following one month of…
- Conditions
- Acquired Immunodeficiency Syndrome, Healthy Volunteers, HIV/AIDS, HIV Diarrhea
- Trial name
- NCT04192487
- Testing
- Crofelemer delayed-release tablets 125mg
- Where
- 3 sites in United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Napo Pharmaceuticals, Inc.
Overweight, Insulin Resistance
Effects of Cranberry Powder Supplements on Gut Microbiota Diversity and Metabolic Syndrome
It is of major importance to refine prevention strategies in order to alleviate inflammation, insulin resistance and metabolic syndrome and it appear that improving gut health and microbiota represent a promising strategy.
- Conditions
- Overweight, Insulin Resistance, Microbiota, Endotoxemia
- Trial name
- MICA (NCT03754504)
- Testing
- Cranberry powder
- Where
- Canada
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Laval University
Infertility, Male, Azoospermia
The Association of Gut Microbiota and Spermatogenic Dysfunction
This is a multicenter, case-control study that aims to investigate the relationship between microbiota and sperm quality via stool, blood, and urine microbiome, metabolomics, and collected clinical metadata.
- Conditions
- Infertility, Male, Azoospermia, Oligozoospermia, Asthenozoospermia
- Trial name
- NCT05628987
- Testing
- no intervention
- Where
- 3 sites in China
- Volunteers
- 306 people, healthy volunteers welcome
- Sponsor
- Zhujiang Hospital
REM Sleep Behavior Disorder
Gut Microbiota Across Early Stages of Synucleinopathy: From High-risk Relatives, REM Sleep Behavior Disorder to Early Parkinson's Disease
With the global ageing population, neurodegenerative disorders including synucleinopathy are major burdens to patients, carers and society.
- Trial name
- NCT03645226
- Testing
- Colonoscopy
- Where
- 2 sites in Hong Kong
- Volunteers
- 441 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Obesity, Dietary Intervention
Effects of Boron and Mediterranean Diets on Gut Microbiota and Metabolic Health
This study investigated the effects of a boron-rich diet compared with a Mediterranean-style diet (Smart Alternative Food Formulation; SAFF) on obesity-related outcomes in adults.
- Conditions
- Obesity, Dietary Intervention, Gut Microbiota, Cardiometabolic Risk Factors
- Trial name
- BOR-SAFF (NCT07156097)
- Testing
- Mediterranean-style Diet (SAFF), Boron-rich Diet
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Dicle University
Obesity, Bariatric Surgery
Effects of Bariatric Surgery on Insulin
This study, conducted at the NIH Clinical Research Unit (CRU) at the Phoenix Indian Medical Center, will compare the effects of two methods of bariatric surgery, the adjustable BAND and Roux-en-Y gastric bypass, on insulin.
- Conditions
- Obesity, Bariatric Surgery, Gastric Bypass, Weight Loss
- Trial name
- NCT00535600
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Obesity, Diabetes
The Effects of Carbohydrate Source on Food Intake, Blood Glucose and Gut Hormone Response in Healthy Children
This study will compare the effects of commonly consumed carbohydrate sources such as potatoes, pasta and rice along with a fixed portion of meat on blood glucose, satiety and insulin levels among healthy body weight children.
- Trial name
- NCT02499107
- Testing
- Rice treatment, Pasta treatment, Boiled and mashed potato treatment
- Where
- Canada
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Weight Management, Obesity
How a Single Workout Affects Gut Bugs in Women With Different Fitness Levels and Body Types
This study aims to elucidate the differences in the gut microbiome functional activity and metabolome in adult premenopausal women with distinctive fitness levels and BMIs (with obesity, w/o obesity).
- Conditions
- Weight Management, Obesity, Exercise, Women
- Trial name
- FITGut-W (NCT06691100)
- Testing
- Aerobic Exercise
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- George Washington University
Cirrhosis
Observational Clinical Study on the Association Between Lactate-mediated Gut Microbiota Alterations and Disease Progression in Liver Cirrhosis.
To investigate the association between lactate-mediated alterations in the gut microbiota and disease progression in patients with liver cirrhosis; and to examine the correlations of lactate levels among serum, fecal, and tissue…
- Trial name
- NCT07455175
- Testing
- observational study, no intervention
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhujiang Hospital
Type 2 Diabetes, Metabolic Health
Effect of Prebiotics in Saudi Adults With Type 2 Diabetes
This study will explore how a natural food ingredient called oligofructose affects blood glucose levels, lipid profiles, inflammation biomarkers, and gut bacteria in Saudi adults with type 2 diabetes.
- Conditions
- Type 2 Diabetes, Metabolic Health, Inflammation, Gut Microbiome
- Trial name
- NCT07464691
- Testing
- oligofructose
- Where
- Saudi Arabia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Princess Nourah Bint Abdulrahman University
Stunting
Gut Microbiota Stunted Children NTT
NTT Province is on the list of priority areas of high prevalence of stunting, Southwest Sumba, South Middle East, and Kupang district have a stunting prevalence of 36.2%, 34.5% and 48.1% respectively in 2020.
- Trial name
- NCT05119218
- Testing
- No Intervention
- Where
- Indonesia
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Bina Nusantara University
Healthy
Physical Training and the Incretin Effect
It is well known that continuous physical exercise leads to a number of changes in the body. Maximal oxygen uptake; the heart's pumping ability and muscle mass and strength increases.
- Trial name
- EXINT2 (NCT01698502)
- Where
- Denmark
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Preterm Birth, Neurodevelopmental Disorders
Guangzhou Preterm and Term Birth Cohort Study
The Guangzhou Preterm-Term Birth Cohort (GPTBC) is a prospective observational study of how early-life nutrition, environmental exposures, and family factors relate to the health and development of preterm and term infants and…
- Conditions
- Preterm Birth, Neurodevelopmental Disorders, Overweight, Obesity
- Trial name
- GPTBC (NCT07756177)
- Testing
- No Intervention: Observational Cohort
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Digestive Health, Quality of Life
Protein-Prebiotic Wellbeing Study
Healthy participants with self-reported GI complaints will consume the protein supplement that they normally use for recovery purposes after exercise during a 3-week baseline period, followed by a 3-week intervention period in…
- Trial name
- NCT05303753
- Testing
- fermented dairy protein with prebiotic fiber
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Arizona State University
Metabolic Syndrome X
Effect of Meat and Egg on TMAO in Plasma and Urine in Subjects with and Metabolic Subjects
The purpose of this clinical trial is to investigate in subjects with and without metabolic syndrome how meals of choline- and carnitine-rich foods (eggs and meat) affect the trimethylamine-N-oxide (TMAO) concentration in blood…
- Trial name
- NCT06660251
- Testing
- Egg intervention, Meatball intervention
- Where
- Sweden
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Linnaeus University
Irritable Bowel Syndrome
Frequency of Sleep Abnormalities in Patients With Irritable Bowel Syndrome and Effect of Pharmacological Intervention
Irritable bowel syndrome (IBS), a common gastrointestinal (GI) disorder in India and in the rest of the World, is enigmatic in its pathogenesis.
- Trial name
- NCT04193501
- Testing
- Melatonin 3 mg
- Where
- 2 sites in India
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- Sanjay Gandhi Postgraduate Institute of Medical Sciences
Healthy
Study of Acute Effects of Sn-1 and Sn-3 Palmitic Acid-rich or Stearic Acid-rich Fats on Metabolic Markers
To determine the effect of degree of fat saturation on postprandial lipemia, haemostatic and inflammatory markers, gut hormone concentrations, satiety perceptions, and insulinemic responses in healthy adult subjects.
- Trial name
- NCT01428960
- Testing
- Palm Mid Fraction, Shea Butter, High Oleic Sunflower Oil
- Where
- Malaysia
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Malaysia Palm Oil Board
Diabetes Mellitus, Type 2
The Role of Gut Hormones and Hepcidin in Type 2 Diabetes Mellitus
This study aims to investigate the potential of the gut hormones GLP-1, PP, PYY and the iron regulatory hormone hepcidin as biomarkers for progression to complications in diabetes mellitus.
- Trial name
- NCT02413762
- Testing
- No intervention
- Where
- United Arab Emirates
- Volunteers
- 1,512 people, healthy volunteers welcome
- Sponsor
- Imperial College London Diabetes Centre
Mild Cognitive Impairment, Subjective Memory Impairment
The Cognitive Ageing Nutrition and Neurogenesis (CANN) Trial
There is a dearth of research which takes a multi-compound approach to dietary interventions, in humans, aimed at improving outcome measures of cognition.
- Trial name
- CANN (NCT02525198)
- Testing
- fatty acid/flavonoid blend
- Where
- 3 sites in United States, Australia and 1 more
- Volunteers
- 259 people, healthy volunteers welcome
- Sponsor
- University of East Anglia
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