Clinical trials: Bypass Bariatric Surgery
Obesity, Pregnancy in Diabetic
Effect of Obesity, Diabetes and Bariatric Surgery on Pregnancy Outcomes
The obesity epidemic is growing worldwide and in the UK this is perpetuated with a third of women classified as overweight/obese in 2020.
- Conditions
- Obesity, Pregnancy in Diabetic, Pregnancy Complications, Pregnancy Related
- Trial name
- NCT05753124
- Testing
- Observational
- Where
- United Kingdom
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- Chelsea and Westminster NHS Foundation Trust
Morbid Obesity
Effect of Bariatric Surgery on Bile Acid Homeostasis
The purpose of this study is to evaluate the effect of bariatric surgery in bile acid homeostasis and its interrelationship with the metabolic changes induced by the surgery.
- Trial name
- NCT02366624
- Where
- Chile
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Pontificia Universidad Catolica de Chile
Bariatric Surgery Candidate
Video-Assisted Presentation Before Bariatric Surgery Enhanced Understanding of Informed Consent Content
This study evaluates the addition of video presentation on conventional informed consent. Participants divided two randomly, one group read only conventional informed consent, the other video presentation was watched after…
- Trial name
- NCT03653962
- Testing
- video assisted group, non-video group
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- Inonu University
Hypoglycemia
Mechanisms of Post-Bariatric Hypoglycemia
Post-bariatric hypoglycemia (PBH) is an increasingly recognized syndrome that is incompletely understood. The purpose of this study is to increase our level of understanding by investigating mechanisms contributing to this…
- Trial name
- NCT04428866
- Testing
- Continuous Glucose Monitoring, activity monitor, Mixed meal tolerance test
- Where
- United States
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Joslin Diabetes Center
Meal, Obesity, Morbid
Microstructural Analysis of Ingestive Behavior After Roux-en-Y Gastric Bypass - Pilot
The ability to assess ingestion in fine detail over the time course of a liquid meal allows for comparison of early and late meal features of drinking and may help dissociate manipulations (surgical, neural, pharmacological…
- Conditions
- Meal, Obesity, Morbid, Food Deprivation, Bariatric Surgery
- Trial name
- NCT03747445
- Testing
- Roux-en-Y gastric bypass
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Marco Bueter
Obesity
Exendin-9,39 and Satiety After Bariatric Surgery
The overall aim of the application is to determine the contribution of the elevated incretin hormone concentrations seen after certain types of bariatric surgery to the regulation of food intake and satiety.
- Trial name
- NCT02779075
- Testing
- Saline, Exendin-9,39
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Anastomotic Stricture, Morbid Obesity
Study of Proton Pump Inhibitors (PPI) to Prevent Strictures After Gastric Bypass Surgery
The purpose of this study is to determine whether suppressing acid production by administration of daily proton pump inhibitors in the early post-operative period will reduce the gastrojejunal anastomosis stricture rate in…
- Trial name
- NCT00361985
- Testing
- Esomeprazole
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
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
Insulin Resistance, Obesity
Metabolism and Bariatric Surgery Study
The purpose of this study is to determine if diet-induced weight loss causes different changes in hormones that control appetite and glucose control than surgery-induced weight loss.
- Trial name
- NCT03371368
- Testing
- Roux-en-Y Gastric Bypass (RYGBP), Sleeve Gastrectomy (SG), Very Low Calorie Diet (VLCD)
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Columbia University
Bariatric Surgery (Gastric Bypass)
Can Postprandial Reactive Hypoglycaemia be Reduced in Patients After Roux-en-Y Gastric Bypass With a Low Carbohydrate Diet?
Roux-en-Y gastric bypass (RYGB) accelerates nutrient delivery to the small intestine causing higher peak blood glucose concentration early after meal intake.
- Trial name
- NCT02665715
- Testing
- Low carbohydrate meals, Standard carbohydrate meals
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Amirsalar Samkani
Obesity, Morbid
Effect of Biliopancreatic Diversion on Glucose Homeostasis
Biliopancreatic diversion (BPD) surgery results in greater resolution of type 2 diabetes than all other bariatric surgical procedures, and it is hypothesized that this procedure has specific beneficial effects on glucose…
- Trial name
- BPD-Mingrone (NCT03111953)
- Testing
- Roux-en-Y Gastric Bypass Surgery, Biliopancreatic Diversion Surgery
- Where
- Italy
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Obesity
Cerebrospinal Fluid Biomarkers in Bariatric Surgery
The goal of this project is to understand why bariatric surgery is such an effective treatment for obesity with a focus on brain mechanisms.
- Trial name
- NCT04350892
- Testing
- Roux-en-Y Gastric Bypass (RYGB), Sleeve Gastrectomy (SG), Very Low Calorie Diet (VLCD)
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Columbia University
Obesity, Hypoglycemia Post Gastric Bypass Surgery
GLP1R-imaging in Post-RYGB Hypoglycemia
In order to evaluate the difference in beta cell mass in patients with and without hyperinsulinemic hypoglycemia after Roux en Y gastric bypass (RYGB) investigators aim to compare quantitative PET imaging of the pancreas between…
- Conditions
- Obesity, Hypoglycemia Post Gastric Bypass Surgery, Hyperinsulinemic Hypoglycemia
- Trial name
- NCT05597475
- Testing
- GLP-1R PET
- Where
- Netherlands
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Rijnstate Hospital
Bariatric Surgery Candidate, Pain, Postoperative
The Effect of Liposomal Bupivacaine on Post Operative Pain and Narcotic Use After Bariatric Surgery
This study is prospective, randomized trial in which the efficacy of liposomal bupivacaine (Exparel®) is compared to standard bupivacaine local surgical site injection in reducing total IV and oral morphine equivalents required…
- Trial name
- Exparel (NCT03196505)
- Testing
- Exparel 266 MG Per 20 ML Injection, Bupivacaine
- Where
- United States
- Volunteers
- 231 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Obesity, Fatty Liver
Impact of Bariatric Surgery on the Evolution of Nonalcoholic Fatty Liver Disease: a Comparative Clinical Trial Between Sleeve Gastrectomy and Gastric Bypass
Aim: To compare prospectively two bariatric surgery techniques: sleeve gastrectomy (SG) vs gastric bypass (GB) in the evolution of nonalcoholic fatty liver disease (NAFLD) measured by the transient elastography in the first year.
- Trial name
- NCT02394353
- Testing
- Transient hepatic elastography
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ministry of Health, Brazil
Obesity
Effect of Gastric Bypass Surgery on Pancreatic Islet and Incretin Function - Follow-up Study
To examine pancreatic islet function and incretin function during intravenous and oral stimulation >2 years after gastric bypass surgery in patients with normal glucose tolerance.
- Trial name
- NCT02161666
- Where
- Denmark
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital