Clinical trials: Gastric Bypass Surgery
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
Type II Diabetes in Subjects BMI 27 to 32
Roux-en-Y Gastric Bypass for BMI 27-32 Type 2 Diabetes Versus Best Medical Treatment
Investigators aim to show that Roux-en-Y Gastric Bypass (RYGB) is superior to best medical treatment in reaching well-defined treatment end points in Asian subjects of BMI 27-32 with type 2 Diabetes (DM2).
- Trial name
- NCT02041234
- Testing
- Roux-en-Y Gastric Bypass (RYGB), Incretin analogues, Xenical
- Where
- Singapore
- Volunteers
- 40 people
- Sponsor
- Khoo Teck Puat Hospital
Morbid Obesity, Postoperative Pain
Patients-Controlled Epidural Analgesia After Gastric Bypass for Morbid Obesity Using Morphine-Levobupivacaine Regimens
Adequate postoperative analgesia can facilitate recovery following gastric bypass surgery for morbid obesity. The efficacy and safety of intravenous patient - controlled analgesia has been studied, but up to date no data are…
- Conditions
- Morbid Obesity, Postoperative Pain, Postoperative Bowel Function, Postoperative Ambulation
- Trial name
- NCT01249872
- Testing
- GROUP A : 0 mg MORPHINE-0.1% LEVOBUPIVACAINE, GROUP B : 1 mg MORPHINE- 0.1% LEVOBUPIVACAINE, GROUP C : 2 mg MORPHINE-0.1% LEVOBUPIVACAINE
- Where
- Greece
- Volunteers
- 96 people
- Sponsor
- University of Patras
Bariatric Surgery, Morbid Obesity
Pharmacokinetics of Rivaroxaban After Bariatric Surgery
Data on pharmacokinetics of rivaroxaban after bariatric surgery and in morbid obesity are sparse. The aim of this study is to assess the pharmacokinetic and pharmacodynamic parameters of rivaroxaban, used at a therapeutic…
- Trial name
- ABSORB (NCT04180436)
- Testing
- rivaroxaban 20 mg once daily 8 days
- Where
- France
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- University Hospital, Brest
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
Morbid Obesity, Insulin Resistance
Assessment of Insulin Resistance, NAFLD, Predictors of CV Morbidity, and Subcutaneous Adipose and Visceral Adipose Gene Expression in Patients Undergoing Gastric Bypass Surgery
The purpose of this research is to further study the effect weight loss after gastric bypass surgery has on the heart and blood pressure and on how the body uses or metabolizes the sugars, fats and proteins we eat.
- Conditions
- Morbid Obesity, Insulin Resistance, Non-Alcoholic Fatty Liver Disease
- Trial name
- NCT01007955
- Where
- United States
- Volunteers
- 61 people
- Sponsor
- University of Massachusetts, Worcester
Complications After Gastric Bypass Operation
Complications After Bariatric Surgery - a Clinical Trial
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
- NCT01930838
- Testing
- Gastric bypass operation
- Where
- Denmark
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Aarhus
Ulcer, Gastric, Obesity, Morbid
The Use of Indocyanine Green to Visualize Blood Flow to the Gastrojejunostomy During Bariatric Surgery.
This is an interventional pilot study aimed to evaluate the use of NIF imaging as an intraoperative aid to assess the anastomotic blood flow to the gastric pouch and gastrojejunostomy during Roux-en-Y gastric bypass surgery and…
- Trial name
- NCT06002906
- Testing
- Indocyanine green, Stryker 1688 AIM system
- Where
- Canada
- Volunteers
- 300 people
- Sponsor
- University Health Network, Toronto
Obesity, Obesity, Morbid
Biological Sample Repository for Gastrointestinal Disorders
The goal of this observational study has the purpose of collecting biological samples from obese patients undergoing evaluation for weight loss by means of medical or endoscopic therapies; and of post bariatric surgery patients…
- Conditions
- Obesity, Obesity, Morbid, Obesity, Primary, Gastro-Intestinal Disorder
- Trial name
- NCT05874726
- Testing
- Blood Collection, Urine Collection, Tissue Sample Collection
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- Pichamol Jirapinyo, MD, MPH
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
Severe Obesity, Renal Failure
Obesity Surgery and Kidney Transplant for Patients With Obesity and Renal Failure
Gastric Bypass followed by renal transplantation is superior to medical management followed by renal transplant for patients with severe obesity and renal failure.
- Trial name
- NCT02128802
- Testing
- Gastric Bypass, Weight Loss Program
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Vanderbilt University Medical Center
The Prevalence of Surgery for Small Bowel Obstruction After LGBP Procedure.
Internal Hernia After Laparoscopic Gastric Bypass
To see if closing the mesenteric defects created at a Laparoscopic Gastric Bypass is better than leaving them open.
- Trial name
- NCT01137201
- Testing
- Suturing of mesenteric defects
- Where
- Sweden
- Volunteers
- 2,507 people
- Sponsor
- Region Örebro County
Bariatric Surgery Candidate, Obesity
Comparing 150cm OAGB With 150cm Biliopancreatic Limb RYGB. A Non-inferiority Trial
The purpose of this study is to assess the safety and efficiency of OAGB compared to RYGB
- Conditions
- Bariatric Surgery Candidate, Obesity, Obesity, Morbid
- Trial name
- Roux-en-WHY? (NCT04852198)
- Testing
- OAGB, RYGB
- Where
- 2 sites in Netherlands
- Volunteers
- 298 people
- Sponsor
- Flevoziekenhuis
Pain, Obesity
The Effect of Pre-Operative Transversus Abdominis Plane (TAP) Block in the Post Operative Opioid Consumption in Morbid Obese Patients Undergoing Laparoscopic Gastric Bypass Surgery: A Prospective,Randomized, Blinded Study
The use of preoperative TAP block in laparoscopic bariatric surgery can improve the postoperative pain and quality of recovery in patients undergoing these procedures.
- Conditions
- Pain, Obesity, Surgery
- Trial name
- NCT01075087
- Testing
- (study group) will receive a bilateral TAP block using 20 cc of 0.5% ropivacaine on each side.
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Northwestern University
Bariatric Surgery
30-Days Post-Operative Complications in Bariatric Surgery
comparison of 30-days post-operative outcomes of laparoscopic sleeve gastrectomy (LSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB)
- Trial name
- Bariatric (NCT04779723)
- Testing
- Comparison of two Techniques of bariatric surgery
- Where
- Pakistan
- Volunteers
- 116 people
- Sponsor
- Multan Medical And Dental College
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
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
Clinically Severe Obesity, Inadequate Weight Loss
Laparoscopic Revision of Vertical Banded Gastroplasty to Gastric Bypass
The main aim of this study is to analyze and report the intermediate term outcomes after laparoscopic revision Roux-en-Y gastric bypass (RYGB) surgery for failed and/or complicated Vertical Banded Gastroplasty (VBG).
- Conditions
- Clinically Severe Obesity, Inadequate Weight Loss, Obesity Recidivism
- Trial name
- VBG (NCT01041131)
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- University of California, San Francisco
Diabetes Mellitus Type 2 in Obese
DMBSS-A Randomized Trial of Different Laparoscopic Gastric Bypass Surgery in Patients With Obesity-related T2DM
The investigators would like to conduct a randomized clinical trial to compare the efficacy of diabetes treatment between different gastric bypass procedures involving type 2 diabetics patients with BMI from 27.5 to 35 kg/m2
- Trial name
- DMBSS (NCT01989988)
- Testing
- LMGB, LRYGB, SADJB
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Min-Sheng General Hospital
Diabetes Mellitus, Type 2, Insulin Resistance
New Frontiers on Bariatric Surgical Procedures: Classical Bypass for Type-2 Diabetic Patients With Obesity Grade I
Bariatric surgery leads to remission of type 2 diabetes in morbid obese patients in 80% (Roux-en-Y gastric bypass)to 90% (biliopancreatic diversion and duodenal switch) of cases.
- Conditions
- Diabetes Mellitus, Type 2, Insulin Resistance, Obesity
- Trial name
- NCT00566189
- Testing
- Roux-en-Y Bypass Gastroplasty
- Where
- Brazil
- Volunteers
- 36 people
- Sponsor
- University of Campinas, Brazil