Clinical trials: Gastric Bypass
Gastric-bypass Surgery, Opioid Consumption
Transversus Abdominis Plane (TAP) Block in Laparoscopic Gastric-bypass Surgery
Laparoscopic gastric-bypass surgery (LGBS) is one of the surgical treatments for morbid obesity, which is performed under general anesthesia.
- Conditions
- Gastric-bypass Surgery, Opioid Consumption, Obesity
- Trial name
- NCT01568437
- Testing
- TAP-Block, Conventional Managment
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- University Health Network, Toronto
Gastric Bypass Surgery, Gastric Banding
Mechanisms of Diabetes Control After Weight Loss Surgery, Sub-study #1
Gastric bypass (GBP) and laparoscopic adjustable banding (AGB) are common procedures that can result in significant weight loss and significantly improve type 2 diabetes in 40-80% of cases.
- Conditions
- Gastric Bypass Surgery, Gastric Banding, Type 2 Diabetes
- Trial name
- NCT01930448
- Where
- United States
- Sponsor
- St. Luke's-Roosevelt Hospital Center
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
Minimally Invasive Surgical Procedure, Laparoscopic Gastric Banding
Evaluation of Safety and Efficacy of the EndoLift Liver Retractor
The primary goal of the study is to evaluate the safety of the EndoLift Liver Retractor as an internal laparoscopic liver retraction device.
- Conditions
- Minimally Invasive Surgical Procedure, Laparoscopic Gastric Banding, Laparoscopic Roux-en-Y Gastric Bypass, Laparoscopic Sleeve Gastrectomy
- Trial name
- NCT02008409
- Testing
- EndoLift Liver Retractor
- Where
- United States
- Sponsor
- Duke University
Bariatric Surgery, Laparoscopic Bariatric Surgery
Laparoscopic Bariatric Surgery: Impact of Deep Neuromuscular Block on Surgical Conditions
The purpose of this study is to determine whether deep neuromuscular blockade compared to moderate neuromuscular blockade may improve the surgical conditions in patients undergoing laparoscopic bariatric surgery.
- Conditions
- Bariatric Surgery, Laparoscopic Bariatric Surgery, Robotic Bariatric Surgery, Gastric Bypass
- Trial name
- BaChiBloPro1 (NCT02118844)
- Testing
- rocuronium
- Where
- France
- Volunteers
- 92 people
- Sponsor
- Central Hospital, Nancy, France
Gastric Bypass Surgery
Energy Expenditure and Gastric Bypass Surgery
The aim of this study is to assess whether activity thermogenesis increases in patients undergoing bariatric surgery post-operatively compared to pre-operatively.
- Trial name
- NCT00863993
- Sponsor
- Mayo Clinic
Complications After Gastric Bypass Operation
Complications After Bariatric Surgery Based, a Questionnaire Survey
The number of obese is increasing rapidly. Bariatric surgery is used to a greater and greater extent as treatment of obesity to obtain a greater and more permanent weight loss.
- Trial name
- NCT01930851
- Testing
- Gastric bypass operation
- Where
- Denmark
- Volunteers
- 1,429 people
- Sponsor
- University of Aarhus
Roux En Y Gastric Bypass
Safety and Efficacy Study of Duet TRS
The objectives of this clinical trial are the overall performance and safety of the ENDO GIA Staplers with ENDO GIA SULUs with Duet TRS TM.
- Trial name
- NCT00950872
- Testing
- Duet TRS
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Medtronic - MITG
Obesity, Post-gastric Bypass
Nutritional Effect of an Amino Acid Mixture on Lean Body Mass (LBM) in Post-bariatric Surgery Patients
The Focus of this study is to look at the role of nutrition in maintaining lean body mass post-gastric bypass surgery. The purpose of this study is to test whether LBM is increased in those patients receiving a nutritional…
- Trial name
- NCT00473356
- Testing
- receive amino acid supplement
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Postoperative Complications, Gastric Bypass
Perioperative Nutrition in Gastric Bypass Surgery
The aim of this study is to demonstrate the influence of peri-operative nutrition on the preservation of lean body mass after gastric bypass, as well as it's influence on postoperative complications.
- Trial name
- NCT00549237
- Testing
- Glucose load (Nutricia), Post operative early enteral feeding
- Where
- Switzerland
- Volunteers
- 200 people
- Sponsor
- University Hospital, Geneva
Morbid Obesity, Bariatric Surgery
Randomized Trial of Preoperative Diets Before Bariatric Surgery
Randomized clinical trial of two preoperative diets before bariatric surgery (gastric bypass)comparing standard diet and Prodimed (VLCD) in 100 morbidly obese patients selected for a gastric bypass procedure
- Conditions
- Morbid Obesity, Bariatric Surgery, Gastric Bypass
- Trial name
- NCT01652105
- Testing
- Standard diet versus standard VLCD (Prodimed)
- Where
- Netherlands
- Volunteers
- 100 people
- Sponsor
- Lievensberg Ziekenhuis
Cholelithiasis, Ultrasonography
Laparoscopic Versus Transabdominal Ultrasound in Morbidly Obese Patients
The objective of this study is to prospectively compare laparoscopic ultrasound to transabdominal ultrasound for the detection of gallbladder pathology in obese patients presenting for laparoscopic gastric bypass.
- Conditions
- Cholelithiasis, Ultrasonography, Laparoscopic Gastric Bypass
- Trial name
- NCT00971750
- Where
- United States
- Volunteers
- 253 people
- Sponsor
- Gundersen Lutheran Medical Foundation
Obesity, Gastric Bypass
Study to Evaluate the Pharmacokinetics of Vitamin D (Cholecalciferol) in Patients Undergoing Obesity Surgery in a Deficit Situation and After Standardization
Set the pattern of vitamin D supplementation in obese patients undergoing bariatric surgery in deficit of vitamin D. Patients receive a single oral dose of vitamin D, during the 28 days will be done a kinetic curve.
- Conditions
- Obesity, Gastric Bypass, Gastrectomy
- Trial name
- PK-VIT-D (NCT01637155)
- Testing
- Cholecalciferol
- Where
- Spain
- Volunteers
- 44 people
- Sponsor
- Hospital Clinic of Barcelona
Gastric Bypass, Gastric Banding
Band to Bypass - Metabolism Kinetics in Gastric Bypass and Banding
The investigators want to study the changes in secretion of gastrointestinal hormones, absorption and metabolism of food and liquids before and after gastric bypass and in patients who are gastric banded but are getting…
- Trial name
- NCT01559792
- Where
- 2 sites in Denmark
- Volunteers
- 18 people
- Sponsor
- Hvidovre University Hospital
Gastric Bypass, Obesity
Meal Stimulating After Roux-en Y Gastric Bypass
In many studies, gastric bypass surgery led to total remission of type 2 diabetes (T2DM) as early as 1 - 2 days after surgery before any real weight loss has occurred.
- Trial name
- NCT00915980
- Testing
- gastric bypass surgery and testing
- Where
- Denmark
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
Diabetes, Gastric Bypass
Glucose Metabolism in the Immediate and Short Term Follow up After Bariatric Surgery
MIDAS involves an assessment of glucose levels obtained before and after bariatric surgery. There are two different procedural tests involved; an oral glucose tolerance test (mixed meal) and a hyperglycemic clamp test.
- Trial name
- MIDAS (NCT00488423)
- Testing
- Mixed Meal Tolerance test, Hyperglycemic clamp
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- The Cleveland Clinic
Gastric Bypass, Body Weight
Pharmacokinetic Evaluation of Moxifloxacin Administered Intravenously and Orally in Healthy Volunteers Who Have Had a Gastric Bypass
Roux-and-Y gastric bypass is one of the most common forms of bariatric surgery; due to a reduction in size of the stomach and intestine, the available surface area for the absorption of oral drugs is strongly decreased.
- Trial name
- DRUG10_MOXI (NCT01130922)
- Testing
- moxifloxacin per IV, moxifloxacin per os
- Where
- Belgium
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Ghent
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
Obesity, Gastric Bypass
Effect of Gastric Bypass on the Absorption of Metformin
Background: Gastric bypass is the most commonly performed type of bariatric (obesity) surgery, has dramatically increased in popularity and is now considered to be preferred treatments in severely obese patients that fail…
- Trial name
- ABSORB-Met (NCT01013051)
- Where
- Canada
- Volunteers
- 34 people
- Sponsor
- University of Alberta
Given Indication for Gastric Bypass Procedure
Is Routine Cholecystectomy Reasonable in All Patients Receiving a Bypass Procedure: a Comparative Cohort Study
Gallbladder management in bariatric surgery is controversially discussed. While some surgeons advocate routine prophylactic cholecystectomy (CCE) during Roux-en-Y gastric bypass (RYGB) others advocate CCE only in patients with…
- Trial name
- NCT01219166
- Testing
- Laparoscopic Cholecystectomy
- Where
- Switzerland
- Volunteers
- 437 people
- Sponsor
- Cantonal Hospital of St. Gallen