Clinical trials: Roux-en-Y
Obesity
Effect of Gastric Bypass Surgery on Energy Metabolism
The purpose of this study is to investigate the short term and long term effects of Roux-en-Y gastric bypass (RYGB) surgery on energy expenditure, gastrointestinal and appetite regulating hormone levels, and appetite sensation.
- Trial name
- ERGEM (NCT00939679)
- Testing
- Roux-en-Y gastric bypass surgery, low calorie diet (1,000 kcal/day)
- Where
- 2 sites in Denmark
- Volunteers
- 32 people
- Sponsor
- University of Copenhagen
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
Gastro Esophageal Reflux, Severe Obesity
Comparison of Nissen-Sleeve and Gastric Bypass for GERD in Obese Patients
This randomized clinical trial aims to compare two surgical techniques for the treatment of obesity in patients who also have symptoms of gastroesophageal reflux disease (GERD).
- Conditions
- Gastro Esophageal Reflux, Severe Obesity, Bariatric Surgery
- Trial name
- SLEEVE-GERD (NCT07158008)
- Testing
- Nissen-Sleeve Gastrectomy (N-SG), Roux-en-Y Gastric Bypass (RYGB), Sleeve Gastrectomy (SG)
- Where
- Poland
- Volunteers
- 560 people
- Sponsor
- Jagiellonian University
Type 2 Diabetes
The Importance of GLP-1 in Post RYGB Improvement in Glycaemic Control Type 2 Diabetic Subjects
After Roux-en-Y gastric bypass (RYGB) meal induced GLP-1 secretion is dramatically increased, while beta-cell function is increased in type 2 diabetic (T2D) subjects.
- Trial name
- NCT01579981
- Testing
- Roux-en-Y Gastric Bypass
- Where
- Denmark
- Volunteers
- 9 people
- Sponsor
- Hvidovre University Hospital
Bariatric Surgery, Osteoporosis
Skeletal Health in Bariatric Surgery Patients
The investigators propose a prospective cohort trial that will help to understand the impact of Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) in pre- and post-menopausal female bariatric patients.
- Conditions
- Bariatric Surgery, Osteoporosis, Fractures, Bone, Roux En-Y Gastric Bypass
- Trial name
- NCT03331536
- Testing
- Roux en Y Gastric Bypass Pre-menopausal, Roux en Y Gastric Bypass Post-menopausal, Sleeve Gastrectomy Pre-menopausal
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Gastric Bypass Complication, Obesity
Single-Stage Stapled Conversion of Gastric Bypass to Sleeve Gastrectomy
Some patients who have had a gastric bypass (Roux-en-Y gastric bypass or one anastomosis gastric bypass) develop long-term problems such as nutritional deficiencies, intractable dumping syndrome, retrograde intussusception or…
- Conditions
- Gastric Bypass Complication, Obesity, Bariatric Surgery Candidate
- Trial name
- NCT07038148
- Testing
- Single-stage laparoscopic stapled conversion of gastric bypass to sleeve gastrectomy
- Where
- Egypt
- Volunteers
- 11 people
- Sponsor
- Kasr El Aini Hospital
Marginal Ulcers
Ulcer Prevention Study in Post Gastric Bypass Patients
This research is to determine which medication, Zegerid (Omeprazole/Sodium Bicarbonate) or Pepcid AC (Famotidine), works best at reducing the chance that a patient will get an ulcer after gastric bypass surgery.
- Trial name
- NCT00557349
- Testing
- Omeprazole, Famotidine
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Missouri-Columbia
Surgery
Effect of Bariatric Surgery on Gut Hormones Production and Cure of Type 2 Diabetes Mellitus
Type 2 diabetes mellitus (T2DM) is a relevant public health problem and obesity has been associated as the major risk factor. Roux-en-Y gastric bypass is an effective method to treat severe obesity, and its metabolic benefits can…
- Trial name
- NCT01251016
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- University of Sao Paulo
Obesity, Type 2 Diabetes
Longitudinal Cohort Study Comparing 2 Surgical Techniques in Patients With Class 3 Obesity and Type 2 Diabetes
Wight loss surgery provides good glycemic control in type 2 diabetes. The technique of "Roux-en-Y gastric bypass" is more effective than the "Adjustable Gastric Band" on weight loss.
- Trial name
- OBEDIAB (NCT00688974)
- Testing
- Roux-en-Y gastric bypass, Adjustable gastric band
- Where
- France
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- University Hospital, Lille
Obesity
Fructose-induced Intestinal de Novo Lipogenesis
8 healthy volunteers, 8 pre-bypass obese subjects, 8 subjects between 12-18 months post-bypass, and 8 subjects matched to the post-bypass patients will be studied in two sub-studies Sub-study 1) after ingestion of two or three…
- Trial name
- FIDNL (NCT01792089)
- Testing
- fat+protein meal, Fat + protein + 13C fructose meal, Fat+protein+13C fructose+glucose meal
- Where
- Switzerland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Lausanne
Obesity
Comparison of Two Surgical Techniques for Treatment of Type III Obesity (BMI 40-50 kg/m2): Single Anastomosis Duodenoileal Bypass With Sleeve Gastrectomy and Roux-en-Y Gastric Bypass.
Roux-en-Y gastric bypass (RY-GBP) is one of the surgical techniques most widely used for the treatment of obesity. Long series of operated patients published in the literature have demonstrated its safety and efficacy.
- Trial name
- BYPSADIS (NCT06789965)
- Testing
- SADI-S, RY-GBP
- Where
- Spain
- Volunteers
- 450 people
- Sponsor
- Hospital Clinic of Barcelona
Obesity, Roux-en-Y Gastric Bypass
A Post-market, Observational Registry With the easyEndoTM Universal Linear Cutting Stapler in Laparoscopic Bariatric Surgery
The purpose of this observational registry is to evaluate the safety and performance of the easyEndoTM Universal Linear Cutting Stapler and reloads from Ezisurg Medical when used to create anastomoses during laparoscopic…
- Conditions
- Obesity, Roux-en-Y Gastric Bypass, Gastrectomy, Mini Gastric Bypass
- Trial name
- STAP-Delta (NCT04422236)
- Testing
- easyEndoTM Universal Linear Cutting Stapler and reloads (Ezisurg Medical)
- Where
- Belgium
- Volunteers
- 200 people
- Sponsor
- Duomed
Obesity
Clinical Efficacy and Safety of Using 3.0mg Liraglutide to Treat Weight Regain After Roux-en-Y Gastric Bypass Surgery
This is a randomized, double-blinded, placebo-controlled trial of liraglutide versus placebo over a follow-up period of 12 months in patients at least 18 months following Roux-en-Y gastric bypass (RYGB) who are experiencing…
- Trial name
- NCT03048578
- Testing
- Saxenda
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- NYU Langone Health
Nutritional Deficiency in Pregnancy (Disorder), Bariatric Surgery
Nutritional Status During Pregnancy After Bariatric Surgery
Background: There is a lack of evidence on whether maternal nutritional deficiencies after Roux-en-Y gastric bypass (RYGB) or sleeve gastrectomy (SG) affect fetal development.
- Trial name
- PREGNUTRIBAR (NCT03469635)
- Testing
- Nutritional deficiencies in pregnant women after bariatric surgery
- Volunteers
- 111 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Gastric Cancer
Uncut Roux-en-Y Gastrojejunostomy for Early Gastric Cancer Patients
The current commonly used for distal gastri cancer in gastrointestinal anastomosis is Roux-en-Y. However, the complications after Roux-en-Y reach an incidence of over 30% which involve nausea, vomiting, and abdominal distension.
- Trial name
- NCT02644148
- Testing
- Conventional Roux-en-Y Gastrojejunostomy, Uncut Roux-en-Y Gastrojejunostomy
- Where
- China
- Volunteers
- 150 people
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
Internal Hernia
CTA for Internal Herniation After RYGB Surgery
Introduction: Morbid obesity, defined as a body mass index (BMI) of over 40 kg/m2, is globally an imminent health threat. Conservative therapies do often not yield the desired result.
- Trial name
- CTA-IH (NCT03114761)
- Testing
- CT angiography
- Where
- Netherlands
- Volunteers
- 12 people
- Sponsor
- Rijnstate Hospital
Gastric Cancer
Evaluation of Double Tract Reconstruction After Total Gastrectomy in Patients With Gastric Cancer
The purpose of this study is to evaluate the double tract reconstruction after total gastrectomy in patients with gastric cancer.
- Trial name
- NCT00746161
- Testing
- Reconstruction after total gastrectomy
- Where
- Japan
- Volunteers
- 44 people
- Sponsor
- Wakayama Medical University
Obesity, Morbid, Surgery
Indocyanine Green Test in Bariatric Surgery
Indocyanine green (ICG) can be injected into the human bloodstream and it allows us to show stomach vascularity in real time
- Conditions
- Obesity, Morbid, Surgery, Leak, Anastomotic
- Trial name
- NCT05476159
- Testing
- Indocyanine green solution, Gastric bypass
- Where
- Italy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Foggia
Roux-en-Y Gastric Bypass, Postprandial Hypoglycemia
Effect of Postprandial Hyperinsulinaemic Hypoglycaemia on Driving Performance.
The primary objective of this study is to assess the effect of the natural course of postprandial hypoglycemia vs. a postprandial euglycaemic condition on driving performance in individuals with confirmed postprandial…
- Conditions
- Roux-en-Y Gastric Bypass, Postprandial Hypoglycemia, Driving Impaired
- Trial name
- DEEP1C (NCT04330196)
- Testing
- Oral glucose tolerance test
- Where
- Switzerland
- Volunteers
- 12 people
- Sponsor
- Lia Bally
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