Clinical trials: Intestine
Obesity / Overweight
Effects of Tirzepatide on Gut Microbiota and Gastrointestinal Function After Drug Withdrawal in Obese Patients
This is an observational cohort study. The primary objective is to analyze the dynamic changes in gut microbiota and metabolic profiles in obese patients treated with Tirzepatide.
- Trial name
- NCT07847515
- Testing
- Tirzepatide
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Nanjing First Hospital, Nanjing Medical University
Colon Polyps
A Prospective Trial of an Endoscopic Quality Improvement Project
Randomized prospective multi-site validation study.
- Trial name
- Equip 2 (NCT02325635)
- Testing
- Educational Training
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Ovarian Neoplasms, Breast Neoplasms
Establishment of a Tumor Bank for Blood Samples
Establishment of a tumor bank, consisting of blood samples of tumor patients and healthy people as controls. The blood samples will be collected systematically together with the corresponding clinical data.
- Conditions
- Ovarian Neoplasms, Breast Neoplasms, Colorectal Neoplasms, Neoplasms of the Female Genitalia
- Trial name
- NCT01763125
- Testing
- Blood collection
- Where
- 6 sites in Austria, Belgium and 2 more
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Celiac Disease, Ultrasound
Small Bowel Ultrasound and Antibody Levels in Celiac Disease Activity
This observational study aims to evaluate the relationship between small bowel ultrasound findings and tissue transglutaminase (tTG) antibody blood levels in assessing celiac disease activity.
- Conditions
- Celiac Disease, Ultrasound, Tissue Transglutaminase Antibody, Small Bowel Ultrasonography
- Trial name
- NCT07453589
- Testing
- Small bowel ultrasonography, Serological testing
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Assiut University
Cirrhosis, Periodontitis
Oral Gut Liver Axis in Cirrhosis
This will be a prospective study of cirrhotics and healthy controls comparing their oral microbiota, endotoxemia and systemic inflammation at baseline and at 30 days after clinically indicated systematic oral cleansing and…
- Conditions
- Cirrhosis, Periodontitis, Gingivitis
- Trial name
- NCT03030820
- Testing
- Dental Cleaning
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Obesity, Overweight
Promoting Gastrointestinal Health and Reducing Subclinical Inflammation in Obese Individuals
This study evaluates the impact of increased intake of fruits and vegetables and whole grains on markers of inflammation and gut microbial composition.
- Trial name
- NCT02602496
- Testing
- Fruits and Vegetables, Whole Grain, Control
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- University of Nebraska Lincoln
Neovascular Age-related Macular Degeneration
Associations Between the Oral and Intestinal Microbiome and Neovascular Age-related Macular Degeneration
A pilot study for Associations between the oral and intestinal microbiome and neovascular age-related macular degeneration and the investigation on the effect of oral probiotics as a treatment The investigators recruit the…
- Trial name
- NCT05604989
- Testing
- Probiotic Combination Cap/Tab, intravitreal Anti-VEGF injection
- Where
- South Korea
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Seoul National University Bundang Hospital
Crohn's Disease, Inflammatory Bowel Disease
A Comparison of Ultrasound Guided Transversus Abdominis Plane Nerve Block Techniques
Postoperative pain can pose significant challenges in the postoperative recovery of patients undergoing major colorectal surgery. Traditionally, opioids have played an important role in treating postoperative pain.
- Conditions
- Crohn's Disease, Inflammatory Bowel Disease, Postoperative Pain
- Trial name
- NCT02538679
- Testing
- US TAP Bupivacaine/Epinephrine, Lap TAP Bupivacaine/Epinephrine
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Digestive Health, Quality of Life
Effect of a Fermented Dairy Protein With Prebiotic Fiber on GI Complaints
A positive impact of a fermented dairy protein with prebiotic fiber supplement on self-reported GI complaints and wellbeing has been suggested (Wardenaar et al. 2024).
- Trial name
- NCT06946017
- Testing
- Fermented dairy protein with prebiotic fiber supplement
- Where
- United States
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- Arizona State University
Hemorrhoids
Ultrasound-guided Sacral Erector Spinae Plane Block as a Sole Anesthetic Technique Versus Saddle Block in Hemorrhoidectomy
Study interventions: The patients will be randomized into two equal groups, Group A and Group B. Group A: Patients will receive an Ultrasound guided sacral erector spinae plane block (SESPB) Group B: Patients will receive Saddle…
- Trial name
- NCT06969274
- Testing
- Ultrasound guided sacral erector spinae plane block (SESPB), Saddle block.
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Rectal Cancer
ArtiSential® for Rectal Cancer Surgery
This study aimed to assess efficacy of ArtiSential® in reducing laparoscopic rectal cancer surgery duration. We retrospectively reviewed the data of patients who underwent laparoscopic low or ultralow anterior resection for…
- Trial name
- NCT06236282
- Testing
- ArtiSential®
- Where
- South Korea
- Volunteers
- 93 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Impaired Glucose Tolerance
Effects of Artificial Sweeteners on Gut Microbiota and Glucose Metabolism
The Objectives of this study is to determine the effect(s) of daily non-caloric artificial sweetener (NAS) consumption (sucralose or aspartame) on the composition of the bacteria and also to determine the changes in glucose…
- Trial name
- NCT02569762
- Testing
- Sucralose-Aspartame, Aspartame-Sucralose
- Where
- Canada
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Colon Polyp
The Colon Endoscopic Bubble Scale (CEBuS); Validation Study
Colonoscopy is currently accepted as the gold standard in screening, surveillance and prevention for colorectal cancer (CRC), and therefore, its quality is a major priority.
- Trial name
- CEBuS (NCT04378088)
- Testing
- Validation of CEBuS
- Where
- Portugal
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Portuguese Oncology Institute, Coimbra
Intraabdominal Abscess After Procedure, Leakage
Outcome After Laparoscopic Surgery for Peptic Ulcer Perforation
Despite advances in laparoscopic surgery for perforated peptic ulcer (PPU), intra-abdominal abscess (IAA) is recognized as one of the commonly reported complications with relation to the extent of infectious abdominal…
- Conditions
- Intraabdominal Abscess After Procedure, Leakage, Pneumonia, Operation Wound; Infection
- Trial name
- NCT05147870
- Testing
- Peritoneal irrigation, Suction only
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Chang Wei-Jung
Diet Modification
Mushroom Effects on Satiety and Gut Health Markers
The Investigator will compare the effect of mushrooms to ground beef in an intervention study and measure satiety markers and gut health markers
- Trial name
- NCT03352050
- Testing
- mushroom, ground beef
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Major Depressive Disorder, Bipolar Disorder, Mixed
Chinese Longitudinal and Systematic Study of Bioplar Disorder
Affective disorders (mainly including major depressive disorder and bipolar disorder) are common, chronic and highly disabling mental disorders, which lack of objective biological markers.
- Conditions
- Major Depressive Disorder, Bipolar Disorder, Mixed, Affective; Disorder, Organic
- Trial name
- CLASS-BD (NCT05480150)
- Testing
- Escitalopram Oxalate Tablets, Quetiapine Fumarate Tablets, Lurasidone
- Where
- China
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Zhejiang University
Healthy Volunteers
Effect of Calcium 500 mg and Vitamin D3 1000 IU Chewable Tablet on Intestinal Calcium Absorption
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a novel calcium carbonate-vitamin D3 chewable tablet formulation (calcium 500 milligrams (mg) and vitamin D3 1000 International Units…
- Trial name
- NCT02338713
- Testing
- Calcichew D3, Noncarbonated Water
- Where
- France
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Takeda
Reflux Oesophagitis
Effect of 5, 10 or 25 mg of YF476 Daily for 14 Days on Stomach Acidity in Healthy Volunteers
The objective of the study was to assess whether the tolerance to the effect of YF476 on gastric pH observed with repeated doses in a previous study in healthy volunteers can be avoided by using smaller doses of YF476.
- Trial name
- NCT01597674
- Testing
- YF476
- Where
- United Kingdom
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Trio Medicines Ltd.
Healthy Volunteer
Calorie Restriction Intervention Induces Enterotype-associated BMI Loss in Nonobese Individuals
Calorie restriction (CR), which has the potential effect on weight loss and blood amino acids, has been demonstrated to associate with gut microbiota in humans, especially in obese individuals.
- Trial name
- CRDI (NCT04044118)
- Testing
- Low Calorie Diet
- Where
- China
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- BGI-Shenzhen
Infant Growth and Development, Gut Microbiota
The Impact of Early-life Organic Feeding on Infants' Health: A Cluster Randomized Controlled Trial
This completed study compared early-life feeding with organic infant formula and organic complementary foods, conventional infant formula and conventional complementary foods, and breastfeeding with family-selected complementary…
- Trial name
- NCT07886424
- Testing
- Organic infant formula and organic complementary foods, Conventional infant formula and conventional complementary foods
- Where
- 3 sites in China
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Tsinghua University
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