Clinical trials: Bypass Surgery
Glucose Intolerance, Gastric Bypass Surgery
Examination of the Metabolic Effects of Direct Bile Salt Delivery to the Ileum in Humans
This project will evaluate distal intestinal bile salt administration in humans by deliving ursodeoxycholic acid (UDCA) into the terminal ileum of subjects with a pre-existing ileostomy and assessing several hormone levels…
- Trial name
- NCT03201952
- Testing
- Ursodeoxycholic Acid
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Hypoglycemia
GLP1R-imaging in Hypoglycemia
Hyperinsulinemic hypoglycemia (HH) is a rare complication that occurs 1 to 5 years after gastric bypass surgery. The underlying mechanism of this complication is not yet completely understood.
- Trial name
- NCT03182192
- Testing
- 68Ga-NODAGA-exendin-4 PET/CT
- Where
- 2 sites in Netherlands
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Coronary Artery Bypass Graft Surgery (CABG), Patient Education
Determining the Consistency Between Nurses and Artificial Intelligence (ChatGPT-5) in Delivering Scenario-Based Discharge Education to Coronary Artery Bypass Graft Patients: A Methodological Study
This methodological study aims to determine the level of agreement between nurses and an artificial intelligence system (ChatGPT-4.0) in providing scenario-based discharge education for patients who have undergone coronary artery…
- Trial name
- CABG-AI-EDU (NCT07263724)
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Hasan Kalyoncu University
Obesity
Endostapler Gastric Bypass Study
The goal of this prospective, post-market study is to evaluate safety and efficacy of the AEON™ Endostapler when used in laparoscopic Roux-en-Y gastric bypass surgery.
- Trial name
- NCT04712526
- Testing
- AEON Endostapler
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Lexington Medical Inc.
Gastric Bypass Surgery
Efficacy of Oversewing Versus Surgical Ligation Clips for Staple Line Reinforcement of the Gastric Pouch to Reduce Post Operative Bleeding in Laparoscopic One Anastomosis Gastric Bypass
1. To test if there is a significant differences between Oversewing versus surgical ligation clips for staple line reinforcement of the gastric pouch regarding the reduction of post operative bleeding and the need for blood…
- Trial name
- NCT07238309
- Testing
- Oversewing, Surgical Ligation Clips
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Lactic Acidosis
Remote Ischemic Preconditioning During Cardiopulmonary Bypass
The objective of study is to detect effect of remote ischemic preconditioning on serum lactate levels during and after cardiac surgery with cardiopulmonary bypass in addition to its effect on cardiac and renal clinical outcomes.
- Trial name
- RIPC (NCT03723993)
- Testing
- Inflated cuff, Non inflated cuff
- Where
- Egypt
- Volunteers
- healthy volunteers welcome
- Sponsor
- Fayoum University
Anesthesia, Regional, Pain, Postoperative
Pectoral-Intercostal Fascial Plane Block Study
Pain along the sternum following opening of the chest cavity, also known as post-sternotomy pain (PSP), is a common complication after heart surgery that is associated with several negative side effects.
- Trial name
- PIFB (NCT03729635)
- Testing
- Pectoral-intercostal fascial plane block (PIFB)
- Where
- Canada
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Bariatric Surgery (Gastric Bypass)
Can Postprandial Reactive Hypoglycaemia be Reduced in Patients After Roux-en-Y Gastric Bypass With a Low Carbohydrate Diet?
Roux-en-Y gastric bypass (RYGB) accelerates nutrient delivery to the small intestine causing higher peak blood glucose concentration early after meal intake.
- Trial name
- NCT02665715
- Testing
- Low carbohydrate meals, Standard carbohydrate meals
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Amirsalar Samkani
Overweight and Obesity, Type 2 Diabetes
Fat Metabolites and Gut Hormones
To investigate the effects of different fat metabolites on gut hormone secretion in gastric bypass operated subjects and BMI-matched controls.
- Conditions
- Overweight and Obesity, Type 2 Diabetes, Bariatric Surgery, Gut Hormones
- Trial name
- NCT03223389
- Testing
- C-8 dietary oil, Tricaprylin, Olive oil
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
Coronary Artery Disease, Sleep Disorder
The Effect of Eye Mask Applied on Patients Undergoing Coronary Artery Bypass Graft Surgery
Introduction: Coronary Artery Bypass Graft (CABG) performed with open heart surgery technique is a successful operation in the treatment of cardiovascular diseases.
- Conditions
- Coronary Artery Disease, Sleep Disorder, Pain, Postoperative
- Trial name
- NCT06010498
- Testing
- eye mask, standart care
- Where
- Turkey (Türkiye)
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Kutahya Health Sciences University
Anastomotic Stricture, Morbid Obesity
Study of Proton Pump Inhibitors (PPI) to Prevent Strictures After Gastric Bypass Surgery
The purpose of this study is to determine whether suppressing acid production by administration of daily proton pump inhibitors in the early post-operative period will reduce the gastrojejunal anastomosis stricture rate in…
- Trial name
- NCT00361985
- Testing
- Esomeprazole
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Muscle Function, Handgrip Strength Test
Muscle Assessment in Women Who Have Undergone Roux-en-Y Gastric Bypass Surgery
The purpose of this study is to assess muscle function in women at least two years after being submitted to Roux-en-Y Gastric Bypass Surgery and compare with a control group
- Trial name
- FUBA (NCT02811393)
- Testing
- Assess muscle function
- Where
- Chile
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Chile
Effect of Sedation on Heart Rate Variability
EFFECT OF DEXMEDETOMİDİNE AND MİDAZOLAM SEDATİON ON HEART RATE VARİABİLİTY AFTER CORONARY ARTERY BYPASS GRAFT SURGERY
The parasympathetic tone reduction and sympathetic tone enhancement, which are components of the autonomic nervous system (ANS) activity, increase the likelihood of malignant arrhythmias leading to ventricular fibrillation.
- Trial name
- NCT03601091
- Testing
- Precedex 200 MCG in 2 ML Injection, DORMICUM 5MG/5 ML
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Kartal Kosuyolu Yuksek Ihtisas Education and Research Hospital
Bariatric Surgery Candidate
Extended Pouch Gastric Bypass vs One-anastomosis Gastric Bypass in Patients With BMI≥45
The classic RYGB is in most patients with a BMI ≥45 technically not feasible. Two alternatives are the Extended Pouch Gastric Bypass and the One Anastomosis gastric bypass.
- Trial name
- EXPANT (NCT06204939)
- Testing
- Randomizing for EPGB procedure, Randomizing for OAGB procedure
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- L. van Hogezand
Obesity, Post-gastric Bypass
Nutritional Effect of an Amino Acid Mixture on Lean Body Mass (LBM) in Post-bariatric Surgery Patients
The Focus of this study is to look at the role of nutrition in maintaining lean body mass post-gastric bypass surgery. The purpose of this study is to test whether LBM is increased in those patients receiving a nutritional…
- Trial name
- NCT00473356
- Testing
- receive amino acid supplement
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Obesity, Morbid
Different Limb Lengths in Gastric Bypass Surgery (SLIM) - Part 3: Metabolism and Inflammation
Investigation of underlying metabolic mechanisms and impact on the two surgical procedures on inflammatory factors.
- Trial name
- SLIM - Part 3 (NCT05471037)
- Testing
- Long Biliopancreatic Limb LRYGB, Short Biliopancreatic Limb LRYGB
- Where
- Switzerland
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Postoperative Cognitive Dysfunction
Comparison of Postoperative Outcome After Sevoflurane and Propofol Anaesthesia
As the investigators know, postoperative cognitive dysfunction (POCD) is a fairly well-documented clinical phenomenon, which affect patients' short-term and long-term outcome.
- Trial name
- NCT02931877
- Testing
- sevoflurane, propofol
- Where
- 3 sites in China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Xinqiao Hospital of Chongqing
Frail Elderly, Coronary Artery Disease
Off-pump Versus On-pump Coronary Artery Bypass Grafting in Frail Patients
Frailty is defined as a geriatric syndrome of impaired resiliency to stressors (such as cardiac surgery) that has been delineated recently in the cardiovascular literature.
- Trial name
- FRAGILE (NCT02338947)
- Testing
- Off-pump coronary-artery bypass grafting, On-pump coronary-artery bypass grafting
- Where
- 7 sites in United States, Brazil
- Volunteers
- 440 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
CABG Surgery, Cold Blood Cardioplegia, Coagulation Profile and Platelet Function
Hypothermic Versus Normothermic Cardiac Bypass in Patients Undergoing CABG Surgery, Effect on Coagulation; Randomized Controlled Trial
On-pump CABG surgery deleteriously affects hematological and coagulation profiles of patients and this effect was accentuated by the use of cold bypass.
- Trial name
- NCT04148404
- Testing
- Normothermic group
- Where
- Egypt
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Cairo University
Surgery
Effectiveness of Animation-Based Education Given to Elderly Patients Undergoing Coronary Artery Bypass Graft Surgery
It was conducted to measure the effectiveness of animation-based training given to elderly patients who will undergo coronary artery bypass graft surgery on the patients' pain, fear, anxiety and self-care management.
- Trial name
- NCT06928025
- Testing
- Preoperative Education
- Where
- Turkey (Türkiye)
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Ayşegül Sena Pirgaip Yavuz