Clinical trials: Gastrointestinal Function
Colon, Irritable
Effect of Methylcellulose or Psyllium on Fermentation of inUlin Assessed USing MRI
The challenge is to understand how fibre interacts with whole-gut function to alter colonic fermentation of fermentable oligo-di- and mono-saccharides and polyhydric alcohols (FODMAPs).
- Trial name
- RUFUS (NCT06291272)
- Testing
- Psyllium, Methylcellulose, Inulin
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Functional Gastrointestinal Disorders (FGIDs), Cyclic Vomiting Syndrome
Autonomic Reactivity and Personalized Neurostimulation
Disorders of gut-brain interaction (DGBI) affect up to 25% of U.S. children. Patients often suffer from disabling, multisystem comorbidities that suggest a common root (sleep disturbances, fatigue, anxiety, etc).
- Conditions
- Functional Gastrointestinal Disorders (FGIDs), Cyclic Vomiting Syndrome, Functional Dyspepsia, Dysautonomia
- Trial name
- NCT06863207
- Testing
- Percutaneous electrical nerve field stimulation, Hypnotherapy
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical College of Wisconsin
Constipation, Gastrointestinal Dysfunction
Effect of Polydextrose on Fecal Bulk and Bowel Function in Mildly Constipated Subjects
Polydextrose (PDX) (8-30g/day) has been reported to increase faecal bulk and consistency, leading to easier stool passage in healthy subjects.
- Trial name
- NCT05309837
- Testing
- Polydextrose
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Tate & Lyle
Enteral Nutrition, Gastrointestinal System--Abnormalities
Heat Application on Gastrointestinal System Functions
Complications related to the gastrointestinal system can occur in patients receiving enteral nutrition. These complications may include nausea, vomiting, diarrhea, constipation, decreased bowel sounds, abdominal distension…
- Trial name
- NCT06225687
- Testing
- Heat Application
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Irritable Bowel Syndrome
Pilot Study of the Physiological Effects of an Integrative Medicine Approach in Irritable Bowel Syndrome
Although underutilized, what is emerging as one of the best ways of evaluating inflammation in the body, particularly in difficult to observe regions, is through the use of Fluorodeoxyglucose (FDG) positron emission tomography…
- Trial name
- IBS (NCT03370614)
- Testing
- IBS Group, Healthy Control Group
- Where
- 2 sites in United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Thomas Jefferson University
Irritable Bowel Syndrome (IBS), Anxiety
Anxiety and Depression in IBS: A Brain-Gut Axis Study
This study aims to understand how the gut and the brain communicate in people with Irritable Bowel Syndrome (IBS) who also experience anxiety and depression.
- Conditions
- Irritable Bowel Syndrome (IBS), Anxiety, Depression
- Trial name
- NCT07646834
- Testing
- Observational Study (No Intervention)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Tang-Du Hospital
Chronic Respiratory Diseases, Cystic Fibrosis
Breath Analysis and Arterial Stiffness in Patients With Respiratory Diseases
Assessment of cardiovascular disorders using echocardiography and arterial stiffness; comparative noninvasive assessment of volatile organic compound (eVOC) exhale breath patterns in patients with different chronic respiratory…
- Conditions
- Chronic Respiratory Diseases, Cystic Fibrosis, Lymphangioleiomyomatosis, Hypersensitivity Pneumonitis
- Trial name
- NCT05727852
- Testing
- Breath test using the Compact PTR-TOF-MS, Portable cardiac monitor "CardioQvark", Assessment of arterial stiffness using the VaSera VS-1500N
- Where
- Russia
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Irritable Bowel Syndrome
Is Microbiota Community Associated With Clinical Response to a Low FODMAP Diet in Patients With Irritable Bowel Syndrome
To determine the efficacy of a low FODMAP diet in IBS patients and whether gut microbiota community is associated with its efficacy.
- Trial name
- NCT02565550
- Testing
- low FODMAPs
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Shandong University
Inflammatory Bowel Diseases, Irritable Bowel Syndrome
Application of Chemical Sensors for Diagnosis of Inflammatory Bowel Diseases and Irritable Bowel Syndrome by Respiratory Samples
Discriminating irritable bowel syndrome (IBS) from inflammatory bowel disease (IBD), especially with mild disease activity, is common clinical challenge.
- Trial name
- NCT01242163
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Rambam Health Care Campus
Rectal Neoplasms
Study of Brain-Gut Function Reconstruction After Intersphincteric Resection for Ultra-Low Rectal Tumors
To investigate the effects of intersphincteric resection (ISR) of ultra-low rectal tumor on the brain-rectoanal function of patients, and to precisely localize the cerebral functional regulatory regions for intervention targets…
- Trial name
- NCT06082648
- Testing
- Transcranial magnetic stimulation
- Where
- China
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Huashan Hospital
Human Gastrointestinal Physiology Data
Modernization of in vivo-in Vitro Oral Bioperformance Prediction and Assessment
In vivo drug dissolution in the gastrointestinal (GI) tract is largely unmeasured. The purpose of this clinical study was to evaluate the in vivo drug dissolution and systemic absorption of the BCS Class IIa drug ibuprofen under…
- Trial name
- NCT02806869
- Testing
- Single dose of ibuprofen (800 mg tablet), Pulmocare, two 8.0 oz (236.6 mL) cans
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Inflammatory Bowel Disease, Irritable Bowel Syndrome
BÜHLMANN fCAL™ ELISA - Aid in Differentiation of IBD From IBS
The purpose of this study is to confirm the sensitivity and specificity of the BÜHLMANN fCAL™ ELISA as an aid in diagnosis to differentiate between Inflammatory Bowel Disease (IBD; Crohn's Disease (CD), Ulcerative Colitis (UC)…
- Trial name
- NCT02351635
- Testing
- fecal calprotectin level
- Where
- 7 sites in United States
- Volunteers
- 478 people, healthy volunteers welcome
- Sponsor
- Bühlmann Laboratories AG
Impaired Liver Function
Evaluate the Safety and PK of Proellex® in Female Patients With Impaired Hepatic Function and Healthy Adults
This study will evaluate the safety and pharmacokinetics of two doses of orally administered Proellex® in female patients with impaired hepatic function and healthy volunteers with normal hepatic function.
- Trial name
- NCT00741273
- Testing
- Proellex
- Where
- 2 sites in United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Repros Therapeutics Inc.
Irritable Bowel Syndrome (IBS), Sucrase Isomaltase Deficiency
Genetic Carbohydrate Maldigestion as a Model to Study Food Hypersensitivity
Irritable bowel syndrome (IBS) affects one in seven people with gastrointestinal (GI) symptoms. IBS strongly impacts quality of life, is a leading cause of work absenteeism, and consumes 0.5% of the healthcare annual budget.
- Trial name
- GenMalCarb (NCT05795049)
- Testing
- Stool and saliva sample collection, Questionnaire completion
- Where
- United Kingdom
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Nottingham University Hospitals NHS Trust
Cystic Fibrosis, Healthy
Real-Time Assessment of Lung Structure and Function in Children and Young Adults With CF Using Electrical Impedance Tomography
The purpose of this study is to determine the ability of electrical impedance tomography (EIT) to identify structural and functional physiological changes that occur with disease progression in cystic fibrosis patients.
- Trial name
- NCT05455671
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Cystic Fibrosis
Sweat Evaporimeter Measurement
The investigators hypothesize that measurement of beta adrenergic induced sweat rate using an evaporimeter can accurately and reliably determine different levels of CFTR dysfunction within a spectrum of patients expressing…
- Trial name
- NCT01708655
- Testing
- Sweat Evaporimeter measurement
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Abdominal Pain, Irritable Bowel Syndrome
Pain Processing and Pain Neuroscience Education in Children With Chronic Abdominal Pain
The primary scientific objective of the study entails examining whether altered endogenous pain inhibition is present in children with functional abdominal pain (FAP) and irritable bowel syndrome (IBS) compared with healthy…
- Trial name
- NCT02880332
- Testing
- Usual care, Pain Neuroscience education, Extra care
- Where
- Belgium
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Vrije Universiteit Brussel
Drug Induced Liver Injury
Acetaminophen Adduct Formation in Non-Drinkers Taking Therapeutic Doses of Acetaminophen for Ten Consecutive Days
Acetaminophen is commonly used to treat fever or pain. Your body clears acetaminophen by processing it in the liver. During the processing, some of the acetaminophen may bind to proteins in the liver.
- Trial name
- Non-Drinker (NCT00616018)
- Testing
- acetaminophen
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Kennon Heard
Chronic Pancreatitis Pancreatic Exocrine Insufficiency Blood Glucose
A Study on the Changes of Glucose Metabolism and Exocrine Function in Patients With Chronic Pancreatitis
This study aims to investigate the impact of pancreatic exocrine insufficiency on the glucose profile and pancreatic and gastrointestinal endocrine hormones in patients with chronic pancreatitis through pancreatic enzyme…
- Trial name
- NCT07314489
- Testing
- Creon（Pancreatin Enteric-coated Capsules）
- Where
- 2 sites in China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Shanghai Changzheng Hospital
Campylobacter Infections, Irritable Bowel Syndrome
Epidemiology and Pathophysiology of Post-Infectious Functional GI Disorders
Some people develop chronic abdominal pain with diarrhea or constipation after an episode of acute bacterial gastroenteritis. These symptoms can be consistent with post-infectious irritable bowel syndrome (IBS) and can last long…
- Trial name
- NCT03266068
- Testing
- DNA Analysis of Blood Sample, Flexible sigmoidoscopy with colonic biopsies, Small bowel and colonic gastrointestinal permeability
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic