Clinical trials: Roux en Y Gastric Bypass
Obesity
Effect of Diet Versus Sleeve Gastrectomy and Gastric Bypass on Appetite
The biggest challenge in obesity management is maintaining weight loss in the long-term. Currently, bariatric surgery is the most effective treatment, leading to sustained weight loss that is not yet achievable with lifestyle…
- Trial name
- DISGAP (NCT04051190)
- Testing
- VLED group, Sleeve Gastrectomy group, Gastric Bypass group
- Where
- 2 sites in Norway
- Volunteers
- 54 people
- Sponsor
- Norwegian University of Science and Technology
Clinically Severe Obesity, Metabolic Complications After Jejunoileal Bypass
Laparoscopic Revision of Jejunoileal Bypass to Gastric Bypass
This study objectives are the following. To describe the updated clinical presentation, indications, and multidisciplinary medical management of patients with a failed and/or complicated jejunoileal bypass (JIB).
- Conditions
- Clinically Severe Obesity, Metabolic Complications After Jejunoileal Bypass, Nutritional Complications After Jejunoileal Bypass, Obesity Recidivism
- Trial name
- JIB-to-RYGB (NCT01040533)
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- University of California, San Francisco
Diabetes Mellitus, Type 2, Obesity
Effect of Roux-en-Y Gastric Bypass or Gastric Sleeve Surgery on Type 2 Diabetes
Roux-en-Y Gastric Bypass surgery (RYGB) ameliorates type 2 diabetes within days after surgery. Studies indicate that the gastric sleeve procedure has comparable effect on type 2 diabetes, but to what extent and how is not fully…
- Trial name
- NCT02713555
- Testing
- Roux-en-Y Gastric Bypass, Gastric Sleeve
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
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
Postoperative Complications, Operative Time
Eliminating Learning Curve Related Morbidity in Fast Track Laparoscopic Roux-en-Y Gastric Bypass
Background: Laparoscopic Roux en Y gastric bypass (LRYGB) is associated with a significant learning curve. We report the results of a systematic training programme from a high volume bariatric center measuring the outcome by…
- Conditions
- Postoperative Complications, Operative Time, Surgical Volume
- Trial name
- NCT01257789
- Testing
- laparoscopic gastric bypass
- Where
- Denmark
- Volunteers
- 300 people
- Sponsor
- Private Hospital Moelholm
Diabetes Mellitus
Multicentric Prospective Randomized Trial on Surgery Versus Standard Medical Care in Type 2 Diabetic Patients BMI 30-35
200 type 2 diabetic patients -BMI between 30-35- will be submitted to bariatric surgery (biliopancreatic diversion BPD or gastric bypass GBP ) and 100 will receive standard medical treatment.
- Trial name
- DIA-CHIR-MULT (NCT01041768)
- Testing
- Bariatric surgery
- Where
- Italy
- Volunteers
- 300 people
- Sponsor
- IRCCS Azienda Ospedaliera Universitaria San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
Type 2 Diabetes Mellitus, Obesity
Surgery or Lifestyle With Intensive Medical Management in the Treatment of Type 2 Diabetes
There is substantial clinical evidence regarding the safety and efficacy of currently practiced bariatric surgical techniques to improve metabolic control and/or resolve type 2 diabetes (T2DM) in clinically severe obese patients…
- Trial name
- SLIMM-T2D (NCT01073020)
- Testing
- Allergan Adjustable Gastric Band Surgery, Intensive Medical Diabetes & Weight Management (Why WAIT) - Band Group, Roux-en-Y Gastric Bypass (RYGB) Surgery
- Where
- 2 sites in United States
- Volunteers
- 88 people
- Sponsor
- Joslin Diabetes Center
Hypoglycemia, Roux-en-Y Gastric Bypass
The Effect of Physical Activity in Individuals With Post-bariatric Hypoglycemia
The goal of this pilot study is to evaluate the magnitude of changes in glucose and hormone levels in response to structured exercise in the fasting state in individuals with post-bariatric hypoglycemia (PBH).
- Conditions
- Hypoglycemia, Roux-en-Y Gastric Bypass, Post-bariatric Hypoglycemia, Physical Activity
- Trial name
- NCT05560789
- Testing
- Physical activity (cycling on a stationary bicycle ergometer or walking on a treadmill)
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Joslin Diabetes Center
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
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
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
Type II Diabetes Mellitus
Prospective Randomized Trials of Gastric Bypass Surgery in Patients With Type II Diabetes Mellitus
Although intensive medical treatment of diabetes has clearly been demonstrated to be worthwhile, it has not been a total success in diabetes treatment for a variety of reasons including lack of response to medication.
- Trial name
- T2DM (NCT00540462)
- Testing
- gastric bypass, sleeve gastrectomy
- Where
- Taiwan
- Volunteers
- 120 people
- Sponsor
- Min-Sheng General Hospital
Morbid Obesity, Gastroesophageal Reflux
MGB/OAGB and LSG Effects on Lower Esophageal Sphincter (LES) Function
Background While several articles have reported about the effects of laparoscopic sleeve gastrectomy (LSG) on the lower esophageal sphincter (LES), to date, just one paper has discussed this issue with regard the Mini/One…
- Conditions
- Morbid Obesity, Gastroesophageal Reflux, Bariatric Surgery Candidate
- Trial name
- NCT02987673
- Testing
- MGB/OAGB, LSG
- Where
- Italy
- Volunteers
- 80 people
- Sponsor
- Mario Musella MD
Obesity
Gut Microbiota Post Roux-en-Y Gastric Bypass Surgery
The purpose of this study is to investigate mechanisms responsible for weight change in patients who have undergone weight loss surgery.
- Trial name
- NCT02654496
- Testing
- Meal challenge
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- North Dakota State University
Hypoglycemia
The Effect of Glucomannan Soluble Fiber on Glucose Homeostasis in Patients With Roux En Y (RNY) Gastric Bypass Surgery
One of the emerging complications of RNY gastric bypass surgery is mild to severe refractory/ recurrent postprandial hypoglycemia. This complication can lead to a significant reduction in quality of life to severe disability.
- Trial name
- NCT02336438
- Testing
- glucomannan
- Volunteers
- 10 people
- Sponsor
- Bassett Healthcare
Benchmark, Bariatric Surgery
Defining Benchmarks in Bariatric Surgery
Aim: To define benchmark outcomes in minimally-invasive primary bariatric surgery. Design: Multicenter retrospective cohort study.
- Conditions
- Benchmark, Bariatric Surgery, Roux-en-y Gastric Bypass, Sleeve Gastrectomy
- Trial name
- BBenchmarks (NCT03440138)
- Testing
- bariatric surgery (RYGB or SG)
- Where
- Switzerland
- Volunteers
- 5,741 people
- Sponsor
- Marco Bueter
Ulcer, Gastric, Bile Reflux
Evaluation of Biliary Reflux After Mini-gastric Bypass With Using the Biliary Reflux Index
MGB is considered to be the best alternative to Roux-en-Y gastric bypass (RYGB) due to the shorter operation time and fewer possible complications.
- Trial name
- NCT04845438
- Testing
- fibrogastroscopy, biopsy of the gastric mucosa, microscopy biopsy materials, using Bile Reflux Index
- Where
- Russia
- Volunteers
- 122 people
- Sponsor
- Private Healthcare Institution Clinical Hospital RGD-Medicine
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
Bariatric Surgery Candidate, Gastric Bypass
Assessment of Pouch Emptying With MRI After Roux-en-Y Gastric Bypass
A cross-sectional observational study in which pouch emptying rate is measured with MRI in good (TWL>35%) and bad responders (TWL<25%) two years after Laparoscopic Roux-en-Y Gastric Bypass (LRYGB).
- Conditions
- Bariatric Surgery Candidate, Gastric Bypass, Obesity, Morbid, Pouch Emptying
- Trial name
- MRI pouch (NCT06298162)
- Testing
- 2 years after RYGB, no intervention. MRI measurement. Observational.
- Where
- Netherlands
- Volunteers
- 10 people
- Sponsor
- Rijnstate Hospital
Bariatric Surgery Candidate
Rates and Severity of PONV for Neuromuscular Block Reversal in Patients Receiving Gastric Bypass Bariatric Surgery
Patients who require bariatric surgery frequently bring a panoply of pre-existing comorbidities to the operating theatre. With body mass indices routinely in the 50s and 60s, patients who have bariatric surgery frequently have…
- Trial name
- NCT03432845
- Testing
- compare reversal agents
- Sponsor
- WellSpan Health