Clinical trials: RYGB
Type 2 Diabetes, Obesity
The Curative Effect of the Length of the Jejunum Exclusion in Grstric Bypass Surgery for Type 2 Diabetes
The purpose of this study is to investigate the curative effect of the length of the jejunum exclusion in gastric surgry for T2DM and metabolic syndrome,and to draft Scientific and reasonable operation parameters.
- Trial name
- NCT02667652
- Testing
- short biliarypancreatic limb, long biliarypancreatic limb
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Weidong Tong
Laparoscopic Sleeve Gastrectomy, Sleeve Gastrectomy
A Retrospective Multicenter Comparison of Laparoscopic and Robotic-Assisted Roux-en-Y Gastrectomy
The prevalence of obesity has tripled in the last 50 years with presently about 1.7 billion of the world population aged 18 years and over either overweight or obese.1 In the US alone, 35% of the population is obese.2 Although…
- Trial name
- NCT05224791
- Testing
- Roux-en-Y Gastric Bypass, Sleeve Gastrectomy
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Methodist Health System
Weight Loss, Obesity
Early Intervention for Morbidly Obese Patients After Roux-en-Y Gastric Bypass (RYGB) Surgery
Purpose and objective: To identify in the early post-operative period following laparoscopic Roux-en-Y gastric bypass patients likely to fail to progressively lose weight in expected fashion, and to institute intervention and…
- Trial name
- Back on Track (NCT01329692)
- Testing
- Lifestyle counseling
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Duke University
Bariatric Surgery Candidate
Retrospective Comparison of Lap and Robotic-Assisted RYGB and SG
A retrospective, multicenter, comparative chart review study comparing laparoscopic and robotic-assisted Roux-en-Y Gastric Bypass (RYGB) and Sleeve Gastrectomy (SG)
- Trial name
- NCT04329780
- Where
- United States
- Volunteers
- 1,872 people
- Sponsor
- Intuitive Surgical
Obesity, Bariatric Surgery
Impact of Bariatric Surgery on Pharmacokinetic Study of Simvastatin and Carvedilol
Obesity affects more than 1 in 3 adults in the U.S. It is commonly associated with reduced quality of life and complications such as metabolic syndrome, heart disease, high blood pressure and sleep disorders.
- Conditions
- Obesity, Bariatric Surgery, Roux-en Y Gastric Bypass
- Trial name
- NCT04049786
- Testing
- Digestive biopsy, Carvedilol 25mg, Serial blood sampling for PK analysis
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Natalia Valadares de Moraes
Obesity, Morbid
Glycemic Variability After SASI Versus Roux-en-Y Gastric Bypass
The GLUBARI trial is a prospective, randomized, single-center clinical study comparing two bariatric surgical procedures in adults with morbid obesity: Single Anastomosis Sleeve Ileal Bypass (SASI) and Roux-en-Y Gastric Bypass…
- Trial name
- GLUBARI (NCT07872397)
- Testing
- Single Anastomosis Sleeve Ileal Bypass, Roux-en-Y Gastric Bypass
- Where
- Spain
- Volunteers
- 68 people
- Sponsor
- Hospitales Universitarios Virgen del Rocío
Morbid Obesity, Metabolic Syndrome
FMT in Obesity: RYGB vs. LEAN vs. Autologous FMT
This double-blinded proof-of-concept study is proposed to explore the effects of fecal microbiota transfer (FMT) in human subjects.
- Conditions
- Morbid Obesity, Metabolic Syndrome, Diabetes, PreDiabetes
- Trial name
- DACH (NCT06268990)
- Testing
- Fecal microbiota transplantation
- Where
- Austria
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Wiebke Kristin Fenske
Obesity, Morbid, Metabolic Syndrome
Non-randomized Prospective Comparison Between SASI Bipartition and RYGB
The main aim of this project is to assess the safety and efficiency of the SASI Bipartition.
- Conditions
- Obesity, Morbid, Metabolic Syndrome, Bariatric Surgery Candidate, Postoperative Complications
- Trial name
- NCT04469712
- Testing
- SASI Bipartition, Gastric bypass
- Where
- Norway
- Volunteers
- 280 people
- Sponsor
- Aleris Hospital
Severe Obesity
Sleeve Gastrectomy With Transit Bipartition(SG+TB) Versus Roux-en-Y Gastric Bypass (RYGB) for Type 3 Obesity
Obesity is a major public health problem worldwide. Bariatric surgery has proved to be the most effective treatment of morbid obesity in terms of weight reduction and remission of co-morbid conditions during long-term follow-up.
- Trial name
- BIPASS (NCT04915014)
- Testing
- sleeve gastrectomy with transit bipartition (SG +TB), Roux-en-Y gastric bypass (RYGB)
- Where
- 8 sites in France
- Volunteers
- 320 people
- Sponsor
- University Hospital, Lille
Obesity
Postprandial Nutrient Homeostasis Before and After Weight Loss Induced by Low-calorie Diet or RYGB
The purpose of this study is to compare the metabolic responses to low-carbohydrate and standard-carbohydrate meals in African Americans and non-Hispanic White adults with obesity and the effect of weight loss induced by…
- Trial name
- FGB (NCT03091725)
- Testing
- Roux-en-Y gastric bypass surgery, Low-calorie diet
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Obesity
RYGB and the Gastric Adipose Axis
The purpose of this study is to determine if interruption in gastric-adipose tissue axis signaling contributes to early improvements in oxidative stress, insulin sensitivity, and inflammation, and to determine if interruption of…
- Trial name
- NCT01474785
- Testing
- human ghrelin, very low calorie diet, Hyperinsulinemic/Euglycemic Clamp
- Where
- United States
- Volunteers
- 49 people
- Sponsor
- Vanderbilt University
Bypass, Gastric, Roux-en-Y Gastric Bypass
To Define the Role of GLP-1 for Improving Glucose Homeostasis in Humans Following Gastric Bypass Surgery
There is a marked and long-lasting improvement in glucose homeostasis that follows Roux-en-y gastric bypass surgery (RYGB) in humans.
- Conditions
- Bypass, Gastric, Roux-en-Y Gastric Bypass, Vertical Sleeve Gastrectomy, Gastric Banding
- Trial name
- NCT02204813
- Testing
- Lo-Xenin, Hi-Xenin, Extra Hi-Xenin
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- Washington University School of Medicine
Severe Obesity
Determinants of Fat Malabsorption After Roux-en-Y Gastric Bypass
The purpose of this study is to determine whether or not the length of the biliopancreatic limb of the Roux-en-Y anastamosis plays a critical role in the development of malabsorption after gastric bypass for treatment of severe…
- Trial name
- NCT01252511
- Testing
- RYGB for surgical treatment of severe obesity
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Baylor Research Institute
Obesity, Morbid Obesity
DIT After RYGB - A Prospective Study
Bariatric surgery is the only satisfactory treatment for loss and weight maintenance in obese patients. This loss is a result of several factors that go beyond the simple anatomical abnormality of the gastrointestinal tract and…
- Conditions
- Obesity, Morbid Obesity, Bariatric Surgery
- Trial name
- DIT RYGB (NCT01759667)
- Testing
- A standard mixed Meal
- Where
- Brazil
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Silvia Leite Faria
Obesity, Morbid
Single-anastomosis Duodeno Ileal Bypass (SADI) Versus Roux-en-Y Gastric Bypass
Obesity is a major public health problem worldwide. Bariatric surgery has proved to be the most effective treatment of morbid obesity in terms of weight reduction and remission of co-morbid conditions during long-term follow-up.
- Trial name
- SADISLEEVE (NCT03610256)
- Testing
- SADI-S, RYGB
- Where
- 22 sites in France
- Volunteers
- 382 people
- Sponsor
- Hospices Civils de Lyon
Obesity
Central Nervous Processing of Visual Food Stimuli in Severely Obese Subjects
Recent evidence has pointed to distinct alterations of brain functions in obese subjects some of which may even be causative for their obesity.
- Trial name
- NCT01493583
- Where
- Switzerland
- Volunteers
- 38 people
- Sponsor
- Cantonal Hospital of St. Gallen
Type 2 Diabetes
Roux-en-Y-Gastric Bypass vs. Lifestyle Modification and Medical Therapy in the Treatment of Type 2 Diabetes
The study is aimed to compare: Laparoscopic Roux-en-Y-Gastric Bypass (RYGB) + optimal medical therapy versus Intensive lifestyle modification and optimal medical therapy in the treatment of type 2 diabetes in…
- Trial name
- NCT01231308
- Testing
- Roux-en-Y-Gastric Bypass, Intensive lifestyle modification and Optimal medical Therapy
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Weill Medical College of Cornell University
Bariatric Surgery
Understanding Hypoglycaemia After Bariatric Surgery
Postprandial hyperinsulinaemic hypoglycaemia is an increasingly recognized adverse side effect of bariatric surgery. Affected individuals experience low glucose levels 1-3 hours after intake of meals, accompanied by symptoms such…
- Trial name
- HYPOBAR1 (NCT03609632)
- Testing
- Dietary Supplement: Glucose
- Where
- Switzerland
- Volunteers
- 16 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Obesity, Morbid, Weight Gain
DIStal gastriC Bypass OUtcome in Revision SurgEry After Roux-en-y Gastric Bypass
This study is designed as a prospective multicenter randomized controlled clinical trial comparing two surgical techniques of distal gastric bypass (DGB) in revisional surgery following failed Roux-en-Y gastric bypass.
- Trial name
- DISCOURSE (NCT04894838)
- Testing
- Distal gastric bypass
- Where
- 8 sites in Netherlands
- Volunteers
- 150 people
- Sponsor
- St. Antonius Hospital
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