Clinical trials: Gastric Bypass
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
Pain, Postoperative, Postoperative Pain
Intraperitoneal Aerosolized Delivery of a Local Anesthetic for Post Operative Pain Management. A Double Blind, Randomised Controlled Clinical Trial.
The purpose of this study is to determine the effectiveness of aerosolized pain medication (.5% bupivicaine) delivered into the peritoneal cavity after laparoscopic gastric bypass surgery.
- Conditions
- Pain, Postoperative, Postoperative Pain, Abdominal Pain, Obesity
- Trial name
- NCT00286286
- Testing
- Intraperitoneal Aerosolization System, IntraMyst
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- Northgate Technologies
Obesity
Incisionless Treatment for Patients With Inadequate Weight Loss Following Roux-en-Y Gastric Bypass
It is estimated that up to 20% of patients who have Roux-en-Y Gastric Bypass (RYGB) surgery will not meet their weight loss goal, or may even regain some of the weight they initially lost.
- Trial name
- NCT00394212
- Testing
- Transoral Suturing
- Where
- 10 sites in United States
- Volunteers
- 77 people
- Sponsor
- C. R. Bard
Obesity
RCT Comparing OAGB and Long Limb Roux Gastric Bypass
A prospective multicenter randomized controlled trial to compare the outcomes of one-anastomosis gastric bypass to long biliary limb Roux gastric bypass.
- Trial name
- OAGBvsLLbypass (NCT04812132)
- Testing
- One-anastomosis gastric bypass, Long biliary limb Roux gastric bypass
- Where
- Estonia
- Volunteers
- 500 people
- Sponsor
- Tartu University Hospital
Morbid Obesity
Bariatric Surgery and HDL-cholesterol
Objective: to assess the effect of gastric bypass on HDL-cholesterol concentration and its Apolipoprotein A4 content at 1 year following bariatric surgery in comparison with a hypocaloric diet.
- Trial name
- NCT01707771
- Testing
- Roux-en-Y gastric bypass, diet and lifestyle modifications
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- Catholic University of the Sacred Heart
Gastroesophageal Reflux, Obesity
Laparoscopic Roux-en-Y Gastric Bypass and Gastro-esophageal Reflux
Laparoscopic Roux-en-Y Gastric Bypass (LRYGB) is considered the weight loss procedure of choice for patients suffering of gastro-esophageal reflux (GER).
- Trial name
- NCT02618044
- Volunteers
- 86 people
- Sponsor
- University of Turin, Italy
Morbid Obesity
Comparison of the Absorption of Hydrolyzed or Intact Proteins in Morbid Obese Patients After the Roux Y Gastric Bypass
The gastric bypass can reduce the bioavailability of food proteins. The bioavailability of hydrolyzed proteins may be higher than intact proteins.
- Trial name
- RyDIGEST (NCT04934826)
- Testing
- Hydrolyzed Proteins, Intact proteins
- Where
- France
- Volunteers
- 40 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Obesity, Roux-en-Y Gastric Bypass
A Post-market, Observational Registry With the easyEndoTM Universal Linear Cutting Stapler in Laparoscopic Bariatric Surgery
The purpose of this observational registry is to evaluate the safety and performance of the easyEndoTM Universal Linear Cutting Stapler and reloads from Ezisurg Medical when used to create anastomoses during laparoscopic…
- Conditions
- Obesity, Roux-en-Y Gastric Bypass, Gastrectomy, Mini Gastric Bypass
- Trial name
- STAP-Delta (NCT04422236)
- Testing
- easyEndoTM Universal Linear Cutting Stapler and reloads (Ezisurg Medical)
- Where
- Belgium
- Volunteers
- 200 people
- Sponsor
- Duomed
Bariatric Surgery Candidate
Pharmacokinetics and Pharmacodynamics of Edoxaban Before and After Bariatric Surgery
The study will be conducted at a single site in the Canada, Quebec. Participants will be recruited from the bariatric surgery clinic and will be required to be either, waiting for sleeve gastrectomy surgery (n=12, restrictive…
- Trial name
- EXPOSE (NCT06326138)
- Testing
- Edoxaban Pharmacokinetics and Pharmacodynamics
- Sponsor
- Institut universitaire de cardiologie et de pneumologie de Québec, University Laval
Obesity, Type 2 Diabetes Mellitus
Use of MCT Oil for Enhancement of Weight Loss and Glycemic Control in Obese Diabetic Patients
Phase I, 6 weeks: Intensive weight loss 42 obese subjects with type 2 diabetes mellitus or impaired fasting glucose (FBS greater than 100 mg/dl) and a patient at the Nutrition and Weight Management Center at Boston Medical Center…
- Trial name
- NCT00207233
- Testing
- MCT oil hypocaloric liquid diet, LCT hypocaloric liquid diet, Subcutaneous abdominal adipose tissue biopsy
- Where
- United States
- Volunteers
- 42 people
- Sponsor
- Boston Medical Center
Obesity
Oral Glucosestimulation After Gastric Bypass Surgery
The objective of this study is to examine gastric emptying and satiety hormones after oral glucose stimulation in 2 different concentrations in morbidly obese patients after Roux-en-Y-gastric-Bypass.
- Trial name
- NCT01851616
- Testing
- 25g of glucose in 200ml tap water, given orally (plus 50 mg 13C-sodium acetate), 10g Glucose in 200ml tap water given orally (plus 50 mg 13C-sodium acetate)
- Where
- Switzerland
- Volunteers
- 8 people
- Sponsor
- University Hospital, Basel, Switzerland
Hemorrhage, Bleeding
Peroperative Administration of Tranexamic Acid in Roux-en-Y Gastric Bypass and One-anastomosis Gastric Bypass
The incidence of bleeding after metabolic surgery seems to increase. The administration of a drug (tranexamic acid) that can reduce bleeding could possibly also reduce bleeding after metabolic surgery.
- Trial name
- PATRY (NCT05464394)
- Testing
- Tranexamic Acid Injection [Cyklokapron], Sodium chloride 0.9%
- Volunteers
- 1,524 people
- Sponsor
- Franciscus Gasthuis
Obesity, Diabetes Mellitus, Type 2
Intestinal Metabolic Reprogramming as a Key Mechanism of Gastric Bypass in Humans
The purpose of this research study is to determine how gastric bypass surgery effects metabolism in obesity and Type 2 Diabetes.
- Conditions
- Obesity, Diabetes Mellitus, Type 2, Endocrine System Diseases, Glucose Metabolism Disorders
- Trial name
- NCT02710370
- Where
- United States
- Volunteers
- 46 people
- Sponsor
- University of Pittsburgh
Morbid Obesity
Bioavailability of Paracetamol, Amoxicillin and Talinolol Before, Immediately and One Year After Gastric Bypass Operation
The purpose of this study is to evaluate pharmacokinetics of paracetamol, amoxicillin and talinolol in morbid adipose subjects before as well as shortly after and about one year after proximal Roux-en-Y Gastric Bypass (RYGB) and…
- Trial name
- NCT02514941
- Testing
- paracetamol, amoxicillin, talinolol
- Where
- 2 sites in Germany
- Volunteers
- 12 people
- Sponsor
- University Medicine Greifswald
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
One Anastomosis Gastric Bypass for Severe Obesity in 6,722 Patients: Early Outcomes From the Assuta Surgery Registry
Background: One-anastomosis gastric bypass (OAGB) is an emerging type of bariatric metabolic surgery (BMS). Our study aimed to evaluate the short-term (≤30-day) postoperative safety of OAGB.
- Trial name
- NCT05481853
- Testing
- One Anastomosis Gastric Bypass
- Where
- Israel
- Volunteers
- 6,722 people
- Sponsor
- Holy Family Hospital, Nazareth, Israel
Iron Deficiency Anemia Secondary to IBD or Gastric Bypass
Treatment Response of Injectafer vs Oral Iron to Baseline Hepcidin Levels in Patients With Iron Deficiency Anemia (IDA) Secondary to Inflammatory Bowel Disease (IBD) or Gastric Bypass
The primary objective of this study is to evaluate the treatment response of Injectafer vs. oral iron to baseline hepcidin levels to determine if any of these select IBD or Gastric Bypass patients may demonstrate to be…
- Trial name
- NCT02086968
- Testing
- Injectafer, Ferrous Sulfate tablets
- Volunteers
- 198 people
- Sponsor
- American Regent, Inc.
Anastomosis, Roux-en-Y, Surgical Operation With Anastomosis, Bypass or Graft
Comparison of Laparoscopic Traditional and Knotless Sutures
Background Excess weight and obesity is the fifth leading risk factor for global death. Bariatric surgery is considered as the only effective long-term treatment for morbid obesity.
- Trial name
- NCT02720718
- Testing
- Stratafix, Vicryl
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- AZ St.-Dimpna Geel
Obesity, Morbid, NASH
The Impact of Different Carbohydrate Restriction After a Gastric Bypass on the Ketosis and Ketoacidosis
Background: Ketosis after bariatric surgery is a metabolic process that occurs when the body breaks down fat for energy because of not getting enough carbohydrates.
- Conditions
- Obesity, Morbid, NASH, Ketosis, Keto Acidosis
- Trial name
- NCT06338969
- Testing
- Carbohydrate Restriction after a Gastric Bypass
- Where
- Kazakhstan
- Volunteers
- 150 people
- Sponsor
- The Society of Bariatric and Metabolic Surgeons of Kazakhstan
Nonalcoholic Fatty Liver Disease
Gastric Bypass Stent Small-Sample-Size Study For Nonalcoholic Fatty Liver Disease
Evaluate the preliminary effectiveness and safety of the Gastric Bypass Stent System in treating nonalcoholic fatty liver disease.
- Trial name
- NCT05495139
- Testing
- Gastric Bypass Stent System in Treatment of Patients with Nonalcoholic Fatty Liver Disease
- Where
- China
- Volunteers
- 10 people
- Sponsor
- Hangzhou Tangji Medical Technology Co., Ltd.