Clinical trials: Roux-en-Y
Obesity and Obesity-related Medical Conditions
Revision Surgery for Suboptimal Weight Loss or Recurrent Weight Gain After Roux-en-Y Gastric Bypass
The majority of those who undergo gastric bypass surgery have a good/sufficient weight loss, averaging 25-30% after 10-20 years (Adams TD NEJM -18).
- Trial name
- REDO (NCT06857578)
- Testing
- Total revision of Roux-en-Y gastric bypass
- Where
- Sweden
- Volunteers
- 12 people
- Sponsor
- Linkoeping University
Roux-en-Y Bariatric Surgery
Investigation of the Effects of Obesity Surgery on Appetitive Behaviour
Among all the existing ways to treat obesity (lifestyle, pharmacological), Roux-en-Y gastric bypass (RYGB) surgery is currently the most effective.
- Trial name
- NCT02010385
- Testing
- Octreotide, Saline
- Where
- Ireland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University College Dublin
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
Morbid Obesity
Single Anastomosis Duodeno-Ileal Bypass vs Standard Duodenal Switch as a Second Step After Sleeve Gastrectomy in the Super-Morbid Obese Patient
Single-Anastomosis Duodeno-Ileal bypass with a 250 cm common/alimentary loop is a modification of standard duodenal switch in which a Roux-en-Y duodeno-ileal anastomosis is performed at 250 cm from the cecum and a 60 cm to 100 cm…
- Trial name
- SADI vs CD (NCT01685177)
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- Hospital San Carlos, Madrid
Gastric Bypass, Parathyroid Hormone
Trial Of Paricalcitol and Cholecalciferol(Vitamin D3) in the Treatment Of Secondary Hyperparathyroidism in Patients After ROUX-EN-Y Gastric Bypass Surgery
Evaluate the efficacy of paricalcitol, cholecalciferol, and placebo in the reduction of parathyroid hormone in patients after Roux-en-Y gastric bypass surgery (RYGB).
- Trial name
- ExtenD (NCT01138475)
- Testing
- Paricalcitol, Cholecalciferol
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Kerstyn C. Zalesin, M.D.
Type 2 Diabetes Mellitus, Insulin Resistance
Bariatric Surgery And Adipose Inflammation Dysfunction and Type 2 Diabetes Mellitus
The focus of this proposal is to define the mechanism by which bariatric surgery acutely improves insulin sensitivity. Our central hypothesis is that drastically reduced caloric intake early after Bariatric surgery improves the…
- Trial name
- NCT01882036
- Testing
- Gastric Bypass w/ matched hypocaloric diet, Hypocaloric diet
- Where
- United States
- Volunteers
- 57 people
- Sponsor
- University of Minnesota
Obesity, Diabetes
Surgical Intervention for Morbidly Obese Adolescents
The purpose is to study whether the positive effects from obesity surgery in adults also can be achieved when adolescent subjects are operated.
- Conditions
- Obesity, Diabetes, Hypertension
- Trial name
- NCT00289705
- Testing
- Surgery
- Where
- 4 sites in Sweden
- Volunteers
- 80 people
- Sponsor
- Göteborg University
Malignant Neoplasm of Head of Pancreas
Billroth II or Roux-en-Y Reconstruction for GJ After PD: Randomized Controlled Trial (PAUDA TRIAL)
The aim of the study is to compare the effect of Roux-en Y reconstruction (study group, DPCDA) versus classical Child reconstruction (DPCUN) in the incidence of VGL in patients for DPC.
- Trial name
- PAUDA (NCT02246205)
- Testing
- Pancreaticoduodenectomy
- Where
- Spain
- Volunteers
- 80 people
- Sponsor
- Hospital Universitari de Bellvitge
Bariatric Surgery, Hormonal Response
Comparison of Hormonal Response to a Mixed-Meal Tolerance Test After Laparoscopic Roux-en-Y Gastric Bypass Versus Laparoscopic Sleeve Gastrectomy With Duodenojejunal Bypass in Patients With Super Morbid Obesity
Obesity is a major global health problem. Bariatric surgery is the most effective treatment, leading to substantial weight loss and improvement in obesity-related comorbidities.
- Conditions
- Bariatric Surgery, Hormonal Response, Post Bariatric Hypoglycemia
- Trial name
- CU BYPASS-DJB (NCT07747779)
- Testing
- Sleeve gastrectomy with duodenojejunal bypass, Roux-en-Y gastric bypass
- Where
- Thailand
- Volunteers
- 32 people
- Sponsor
- Chulalongkorn University
Type2 Diabetes, Complication of Bariatric Procedure
Efficacy and Safety of One-anastomosis Versus Roux-en-Y Gastric Bypass for Type 2 Diabetes Remission
Diabetes mellitus (T2DM) is the most common complication of obesity patients. According to previous literature reports, weight loss and metabolic surgery are powerful means to treat obesity complicated with T2DM.
- Trial name
- ORDER (NCT05015283)
- Testing
- The laparoscopic One-anastomosis gastric bypass will consist of:, The laparoscopic Roux-en-Y gastric bypass will consist of:
- Where
- China
- Volunteers
- 248 people
- Sponsor
- Beijing Friendship Hospital
Gastric Cancer
A Trial of Reconstruction After Distal Gastrectomy for Gastric Cancer
The purpose of this study is to evaluate the quality of life (QOL) after Billroth-I reconstruction (B-I) following distal gastrectomy, compared with Roux-en Y reconstruction (R-Y) in patients with gastric cancer.
- Trial name
- NCT01065688
- Testing
- Roux-en Y reconstruction, Billroth-I reconstruction
- Where
- Japan
- Volunteers
- 120 people
- Sponsor
- Wakayama Medical University
Obesity & Overweight, Bariatric Surgery
Rosuvastatin and Losartan Pharmacokinetics After Bariatric Surgery
This prospective, open-label, non-randomized pharmacokinetic study will evaluate how Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy affect systemic exposure to single oral test doses of rosuvastatin and losartan.
- Conditions
- Obesity & Overweight, Bariatric Surgery, Pharmacokinetics After Oral Intake, Drug Absorption
- Trial name
- BARI-PK (NCT07748273)
- Testing
- Rosuvastatin, Losartan (Control)
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- Hospital das Clínicas de Ribeirão Preto
Effect of Revisional Surgery for Failed Gastric Banding
Revisional Versus Primary Roux-en-Y Gastric Bypass: a Case Matched Analysis
This study compared revisional malabsorptive laparoscopic very very long limb gastric bypass (VVLL RYGB) with primary VVLL RYGB and tested the hypothesis that one staged revisional laparoscopic VVLL RYGB is a safe and effective…
- Trial name
- NCT01771744
- Volunteers
- 96 people
- Sponsor
- University Hospital, Basel, Switzerland
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
Vitamin Deficiencies
Trial Comparing Elan Specialized Bariatric Supplements With Standard Multivitamins in Patients Undergoing Bariatric Procedures
Obesity has escalated to pandemic levels, impacting over 650 million adults globally and significantly contributing to the burden of non-communicable diseases such as type 2 diabetes, cardiovascular disease, obstructive sleep…
- Trial name
- NCT07021170
- Testing
- Elan Believe, Elan Compass, Elan Supreme
- Where
- Egypt
- Volunteers
- 624 people, healthy volunteers welcome
- Sponsor
- General Committee of Teaching Hospitals and Institutes, Egypt
Morbid Obesity
Probiotics Improve Gastrointestinal Symptoms After Roux-en-Y Gastric Bypass: A Prospective Randomized Trial
Obesity has been a global epidemic. Currently, bariatric surgery has been recognized as the only successful treatment for morbid obesity.
- Trial name
- NCT01431651
- Testing
- probiotics,digestive enzyme
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Min-Sheng General Hospital
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
Choledochal Cyst Resection
Factors Affecting Postoperative Recovery From Common Bile Duct Cysts in Children: A Multicenter Retrospective Analysis Based on Perioperative Clinical Characteristics
This retrospective study aims to systematically analyze the factors influencing short-term rehabilitation and liver function recovery after radical surgery for pediatric common bile duct cysts, identify independent risk factors…
- Trial name
- NCT07800169
- Where
- China
- Volunteers
- 550 people
- Sponsor
- Wuhan Children's Hospital
Obesity, Morbid, Hypertension
Antibiotics, Gastric Bypass, and the Microbiome
This study randomizes patients to two commonly used peri-procedural antibiotics after gastric bypass with the pre and post-operative collection of stool samples, to identify significant differences in relative abundances of gut…
- Conditions
- Obesity, Morbid, Hypertension, Bariatric Surgery Candidate
- Trial name
- NCT05367479
- Testing
- Antibiotic
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Medical College of Wisconsin
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