Clinical trials: Gastric Bypass
Obesity
Laparoscopic Ileal Interposition and Weight Regain
The investigators will study the Ileal interposition to the treatment of weight regain after Roux-en-Y gastric bypass, assessing weight loss, body composition, quality of life, metabolic biomarkers, inflammatory biomarkers, and…
- Trial name
- NCT05931939
- Testing
- Ileal Interposition, Traditional surgical technique
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Rio de Janeiro State University
Bariatric Surgery, Metabolic Surgery
A Comparison Between Short vs. Long Biliopancreatic Limb Gastric Bypass
Prospective study including patients submitted to RYGB (n=94) and L-RYGB (n=94) at a single institution. The aim was to compare the effect on comorbidities and weight loss of a long biliopancreatic limb Roux-en-Y gastric bypass…
- Conditions
- Bariatric Surgery, Metabolic Surgery, Roux-en-Y Gastric Bypass
- Trial name
- NCT04609449
- Testing
- Long biliopancreatic limb Roux-en-Y gastric bypass., Standard Roux-en-Y gastric bypass
- Where
- Mexico
- Volunteers
- 192 people
- Sponsor
- CARLOS ZERRWECK LOPEZ
Obesity, Morbid, Gastroesophageal Reflux (GERD)
AJYR+GV vs RYGB for GERD
This study focuses on gastroesophageal reflux disease (GERD), a condition in which stomach acid flows back into the esophagus (the tube that carries food from the mouth to the stomach), causing heartburn and other symptoms.
- Trial name
- NCT07768202
- Testing
- sleeve gastrectomy with Roux-en-Y antrojejunal anastomosis, AJYR+SG, Roux-en-Y gastric bypass, RYGB
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- Victor Dib Institute
Morbid Obesity, Metabolic Disease
Study Evaluating Metabolic Syndrome in Subjects Undergoing Gastric Bypass Bariatric Syndrome
Metabolic syndrome is rapidly emerging as an epidemic of global proportions and its definition is still evolving. Patients with this syndrome are at increased risk for cardiovascular disease, and at increased risk of mortality…
- Trial name
- NCT00283374
- Testing
- Laparoscopic Roux-en-Y Gastric Bypass
- Where
- 17 sites in United States, Italy and 1 more
- Volunteers
- 120 people
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
GERD
A Prospective Blinded Randomized Study Comparing Laparoscopic Sleeve Gastrectomy and Laparoscopic Roux-en-y Gastric Bypass and Their Effect on Gastro-Esophageal Reflux Disease Using 24 Horus pH Monitoring
Obesity has become a significant health problem in Canada. It is known to be a risk factor for many diseases, including Gastro-Esophageal Reflux Disease (GERD).
- Trial name
- GERD (NCT02142998)
- Testing
- 24 pH monitoring, Esophageal Manometry:
- Where
- Canada
- Volunteers
- 100 people
- Sponsor
- McMaster University
Gastric Bypass, Depression
The Effect of Gastric Bypass on the Pharmacokinetics of Serotonin Reuptake Inhibitors
The morbidly obese frequently present with mood and anxiety disorders, which are often treated with serotonin reuptake inhibitors (SRI) antidepressant drugs.
- Conditions
- Gastric Bypass, Depression, Anxiety Disorder
- Trial name
- NCT01317147
- Testing
- Roux-en-Y gastric bypass (RYGBP)
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- University of Pittsburgh
Severe Obesity
Effects of Bile Acids and Bile Acid Sequestrants on GLP-1 Secretion After Roux-en-Y Gastric Bypass
The purpose of this study is to examine the effects of bile acid and bile acids sequestrants on GLP-1 Secretion, during a meal, in patients after Roux-en-Y gastric bypass.
- Trial name
- NCT02876484
- Testing
- Colesevelam, Chenodeoxycholic Acid, Water
- Where
- Denmark
- Volunteers
- 12 people
- Sponsor
- Hvidovre University Hospital
Pancreatic Cancer Resectable, Pancreas Neoplasms
Antecolic Versus Retrocolic Gastrojejunostomy During Whipple's Procedure
Aim: This randomized clinical study aims to compare occurrence of DGE in patients undergoing either antecolic or retrocolic gastrojejunostomy following pancreaticoduodenectomy.
- Trial name
- NCT06914349
- Testing
- Antecolic gastrojejunostomy, Retrocolic gastrojejunostomy
- Where
- Greece
- Volunteers
- 76 people
- Sponsor
- University of Thessaly
Obesity and Obesity-related Medical Conditions, Bariatric Surgery
Transition to Ambulatory Bariatric Surgery (TABS) Trial
This study will compare same day discharge and at least one night stay in the hospital after bariatric surgery. Patients undergoing bariatric surgery will be randomized (i.e. have an equal chance of either plan) to either group.
- Trial name
- TABS (NCT07011628)
- Testing
- Same Day Discharge
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Vanderbilt University Medical Center
Obesity
Endomina Post RYGB
Surgery is the only effective treatment for morbid obesity and can be divided into restrictive surgeries (Lap Band and Sleeve gastrectomy), malabsorptive surgeries (Biliary pancreatic deviation and duodenal switch) or a…
- Trial name
- NCT03675035
- Testing
- Endomina
- Where
- Belgium
- Volunteers
- 16 people
- Sponsor
- Erasme University Hospital
Obesity, Type 2 Diabetes
Gut Hormones and Roux en Y Gastric Bypass
The purpose of this study is to assess whether the changes in gut hormones seen following Roux en Y Gastric Bypass surgery are responsible for some of the beneficial effects seen post-operatively.
- Trial name
- NCT01945840
- Testing
- Roux en Y Gastric Bypass Surgery, Gut hormone infusion, Very low calorie diet
- Where
- United Kingdom
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Hypoglycemia
CREON for the Treatment of Post-RYGB Hypoglycemia
Hypoglycemia is an increasingly recognized complication of Roux-en-Y gastric bypass (RYGB) that is poorly understood and difficult to treat.
- Trial name
- NCT02733848
- Testing
- Creon, Diet
- Volunteers
- 5 people
- Sponsor
- East Carolina University
Diabetes Mellitus, Type 2, Bariatric Surgery Candidate
Restoration of Beta Cell Function and Cardiovascular Parameters in Relation to Adipoinsular and Enteroinsular Axes After Gastric Bypass Surgery
Bariatric operations such as the gastric bypass procedure provide a unique in vivo model of improvement of pathological beta cell function.
- Trial name
- NCT01271062
- Testing
- gastric bypass surgery, abdominal surgery, very low caloric diet
- Where
- 2 sites in Austria, Switzerland
- Volunteers
- 55 people
- Sponsor
- Cantonal Hospital of St. Gallen
Obesity
Effect of Gastric Bypass Surgery on Pancreatic Islets and Incretin Function
The study aims at describing the acute and subacute changes after Roux-en-Y (RYGB) gastric bypass in insulin secretion from the beta cell and glucagon secretion from the alpha cell as well as the stimulatory effect of the…
- Trial name
- AB-CD-10 (NCT01559779)
- Where
- Denmark
- Volunteers
- 11 people
- Sponsor
- Hvidovre University Hospital
Obesity, Morbid
BASUN - Risks for Malnutrition, Metabolic Bone Disease and Impaired Oral Health After Obesity Treatment
Weight-reducing obesity surgery (OS) generally gives good results but complications are common; e.g. impaired weight loss, weight regain, bowel pain, diarrhea, vitamin/mineral deficiency, osteoporosis and impaired dental health.
- Trial name
- BASUN (NCT03152617)
- Where
- Sweden
- Volunteers
- 1,400 people
- Sponsor
- Göteborg University
Morbid Obesity
A Longitudinal Study on Short-term Effects of Gastric Bypass on Glucose Homeostasis in Obesity
The purpose of this study is to quantify the relative contribution of improved insulin sensitivity and improved insulin secretion to the glycaemic effect of bariatric surgery.
- Trial name
- NCT01063127
- Testing
- Study on insulin sensitivity after diet or bariatric surgery, gastric bypass
- Where
- Italy
- Volunteers
- 23 people
- Sponsor
- Catholic University of the Sacred Heart
Hemorrhage, Bleeding
Peroperative Administration of Tranexamic Acid in Roux-en-Y Gastric Bypass and One-anastomosis Gastric Bypass
The incidence of bleeding after metabolic surgery seems to increase. The administration of a drug (tranexamic acid) that can reduce bleeding could possibly also reduce bleeding after metabolic surgery.
- Trial name
- PATRY (NCT05464394)
- Testing
- Tranexamic Acid Injection [Cyklokapron], Sodium chloride 0.9%
- Volunteers
- 1,524 people
- Sponsor
- Franciscus Gasthuis
Bariatric Surgery Candidate
One Anastomosis Gastric Bypass After Sleeve Gastrectomy Failure
This study is a retrospective analysis of prospectively collected data on 582 obese patients. The primary aim of the study was to evaluate %Excess Weight Loss, Body Mass Index (BMI) and remission of comorbidity at mid- and…
- Trial name
- NCT04450082
- Testing
- One anastomosis gastric bypass
- Volunteers
- 59 people
- Sponsor
- Azienda Sanitaria Locale Napoli 2 Nord
Bone Loss, Bone Density
Bone Loss After Laparoscopic Roux-en-Y Gastric Bypass
The objective of this study is to assess changes bone mineral density and bone metabolism after laparoscopic Roux-en-Y gastric bypass surgery.
- Conditions
- Bone Loss, Bone Density, Gastric Bypass, Bariatric Surgery
- Trial name
- NCT00975013
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Gundersen Lutheran Medical Foundation
Morbid Obesity, Liver Fat
Low-calorie Diet and Body Composition Prior to Roux-en-Y Gastric Bypass
Losing weight before undergoing Roux-en-Y gastric bypass (RYGB) surgery may reduce liver fat content and size thereby improving surgical outcomes.
- Trial name
- LCD (NCT02144597)
- Testing
- Liquid formula low-calorie diet (LCD), Roux-en-Y gastric bypass (RYGB), Control diet
- Where
- United Kingdom
- Volunteers
- 30 people
- Sponsor
- Imperial College London