Clinical trials: Bariatric Surgery (Gastric Bypass)
Obesity
Effects of Roux-en-Y Gastric Bypass on Gastro-intestinal Hormone Secretion and Brain Responses Food Pictures
This is a cross-sectional study enrolling 11 weight-stable, formerly obese female patients 1-5 years after Roux-en-Y gastric Bypass (RYGB) 11 age- and weight-matched female subjects 10 normal weight (Body Mass Index 19-25 kg/m2)…
- Trial name
- NCT02160379
- Testing
- standard test meal
- Where
- Switzerland
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Lausanne
Obesity, Bariatric Surgery Candidate
Preoperative Use of a Magnetically Controlled Capsule Endoscopy in Patients Undergoing Bariatric Surgery
The goal of this clinical trial is to test if a swallowable camera capsule can safely examine the upper digestive tract in people preparing for weight loss surgery.
- Conditions
- Obesity, Bariatric Surgery Candidate, Hypertension, Diabetes
- Trial name
- NAVICAM (NCT07587437)
- Testing
- Magnetically Controlled Capsule Endoscopy (MCCE)
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Jerry Dang
Post Bariatric Surgery, Gastric Bypass
The Effects of Bariatric Surgeries on Glucose Metabolism
The purpose of this study is learn the effect of gastric bypass surgery and sleeve gastrectomy on glucose metabolism mediated by neural and hormonal factors initiated after eating.
- Conditions
- Post Bariatric Surgery, Gastric Bypass, Sleeve Gastrectomy, Hypoglycemia After Gastric Bypass
- Trial name
- NCT02823665
- Testing
- Exendin-(9-39), Atropine
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Obesity, Bariatric Surgery
Evaluation of the Dietary Supplement Refill Bypass to Reduce Nutritional Deficiencies of Patients Who Underwent Bariatric Surgery
This is a cohort, observational, prospective, multicenter, longitudinal study. 100 patients will be followed postoperatively for a period of 12 months.
- Trial name
- Refill (NCT02440087)
- Testing
- Refill Bypass
- Where
- France
- Volunteers
- 35 people
- Sponsor
- Refill France
Obesity, Bariatric Surgery
Swap Anesthetic Versus Continuous Desflurane in Adults Undergoing Bariatric Surgery
This randomized, parallel-group, non-inferiority clinical trial aims to evaluate whether an anesthetic swap strategy consisting of sevoflurane followed by desflurane 30 minutes before the end of surgery is non-inferior to…
- Trial name
- SWAP (NCT07748247)
- Testing
- Desflurane, Sevoflurane-Desflurane
- Where
- Chile
- Volunteers
- 82 people
- Sponsor
- Clínica Dávila
GERD, Obesity
Long Term Outcomes of Bariatric Patients Treated With Surgery or Endoscopy
GERD is common in the obese population. Bariatric procedures are the mainstay of therapy for these patients. Bariatric procedures can be surgical (Roux-en-Y gastric bypass and Vertical sleeve gastrectomy) or endoscopic…
- Trial name
- ROSE (NCT03705416)
- Testing
- Endoscopy, Surgery
- Where
- 6 sites in United States
- Volunteers
- 250 people
- Sponsor
- Johns Hopkins University
Morbid Obesity
Taste Perception Pre and Post Bariatric Surgery
The investigators wish to study the effects of three forms of bariatric surgery, gastric bypass lap banding, and sleeve gastrectomy. The surgery is not part of the clinical trial.
- Trial name
- RBtaste (NCT01536197)
- Testing
- Gastric bypass, Gastric banding, Sleeve gastrectomy
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Washington University School of Medicine
Obesity
Study of the Life Expectancy of Patients With Metabolic Syndrome After Weight Loss:
Background and study aims: Surgical and non-surgical normalization of body weight with obesity leads to a significant improvement in health and regression of metabolic syndrome.
- Trial name
- LIFEXPE-RT (NCT03667469)
- Testing
- Laparoscopic one anastomosis gastric bypass, Hypocaloric diet therapy
- Where
- Kazakhstan
- Volunteers
- 60 people
- Sponsor
- University Medical Center, Kazakhstan
Hypothermia, Morbid Obesity
The Efficacy of External Warming During Laparoscopic Bariatric Surgery
External warming is routinely used in general surgery to offset the deleterious effects of hypothermia. It entails deployment of a disposable, external heating blanket attached to a regulated hot-air pump.
- Conditions
- Hypothermia, Morbid Obesity, Bariatric Surgery Candidate
- Trial name
- NCT03429205
- Testing
- No external heating used during surgery, External heating blanket used during surgery
- Where
- Israel
- Volunteers
- 20 people
- Sponsor
- Sheba Medical Center
Complications After Bariatric Surgery
Prevalence of Complications After Bariatric Surgery - an Epidemiologic 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
- NCT01930929
- Testing
- Bariatric surgery
- Where
- Denmark
- Volunteers
- 9,000 people
- Sponsor
- University of Aarhus
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
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
Obesity, Morbid
The FundoRingOAGB Versus Non-wrapping (Non-banded) Standard Method of Laparoscopic One Anastomosis Gastric Bypass
Currently, one anastomosis gastric bypass (OAGB) or mini-gastric bypass (MGB) is a common bariatric procedure for treating obesity. Weight gain after surgery is a big problem in bariatric practice.
- Trial name
- FundoRingMGB (NCT04834635)
- Testing
- FundoRingOAGB, OAGB
- Where
- Kazakhstan
- Volunteers
- 1,000 people
- Sponsor
- The Society of Bariatric and Metabolic Surgeons of Kazakhstan
Overweight and Obesity, Type 2 Diabetes
Fat Metabolites and Gut Hormones
To investigate the effects of different fat metabolites on gut hormone secretion in gastric bypass operated subjects and BMI-matched controls.
- Conditions
- Overweight and Obesity, Type 2 Diabetes, Bariatric Surgery, Gut Hormones
- Trial name
- NCT03223389
- Testing
- C-8 dietary oil, Tricaprylin, Olive oil
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
Protein Malnutrition, Vitamin Deficiency
Evaluation of Protein Intake and Micronutrient Supplementation After Bariatric Surgery
Obesity is a chronic disease in which accumulation of excess body fat can result in impaired health. In cases of severe obesity, weight loss surgery can be necessary as a treatment.
- Conditions
- Protein Malnutrition, Vitamin Deficiency, Mineral Deficiency, Trace Element Deficiency
- Trial name
- BOP (NCT04587076)
- Where
- Germany
- Volunteers
- 38 people
- Sponsor
- University Medicine Greifswald
Diabetes Mellitus, Metabolic Surgery
Metabolic Surgery; Gastric Bypass vs Sleeve Gastrectomy; Efects Over Type 2 DM With Bad Metabolic Control (MSO1CT)
The aim of the study is to compare the efficacy of laparoscopic gastric bypass versus vertical gastrectomy for the resolution of DM in patients with BMI 30-35.
- Conditions
- Diabetes Mellitus, Metabolic Surgery, Sleeve Gastrectomy, BPGY
- Trial name
- MSO1CT (NCT03891056)
- Testing
- metabolic surgery
- Where
- Spain
- Volunteers
- 40 people
- Sponsor
- Hospital Universitario Doctor Peset
Obesity
Effect of Gastric Bypass Surgery on Energy Metabolism
The purpose of this study is to investigate the short term and long term effects of Roux-en-Y gastric bypass (RYGB) surgery on energy expenditure, gastrointestinal and appetite regulating hormone levels, and appetite sensation.
- Trial name
- ERGEM (NCT00939679)
- Testing
- Roux-en-Y gastric bypass surgery, low calorie diet (1,000 kcal/day)
- Where
- 2 sites in Denmark
- Volunteers
- 32 people
- Sponsor
- University of Copenhagen
Type 2 Diabetes
Surgery Or Lifestyle Intervention for Type 2 Diabetes (SOLID)
This research study will investigate the safety and effectiveness of weight loss surgery for overweight persons with type 2 diabetes.
- Trial name
- SOLID (NCT01040468)
- Testing
- Roux-en-Y Gastric Bypass surgery, Laparoscopic Adjustable Gastric Banding surgery, Intensive Lifestyle Modification
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- University of Pennsylvania
Metabolic Dysfunction-Associated Steatotic Liver Disease, Metabolic Dysfunction-Associated Steatohepatitis
Metabolic Flux Analysis in Metabolic Dysfunction-Associated Steatotic Liver Disease
This prospective, single-center pilot study will evaluate metabolic flux dysregulation in adults with obesity and suspected or confirmed metabolic dysfunction-associated steatotic liver disease (MASLD) who are scheduled for…
- Conditions
- Metabolic Dysfunction-Associated Steatotic Liver Disease, Metabolic Dysfunction-Associated Steatohepatitis, Obesity, Bariatric Surgery
- Trial name
- MASLD (NCT07760909)
- Testing
- Bariatric surgery, Stable isotope tracer infusion, MRI/MRE
- Volunteers
- 20 people
- Sponsor
- Vanderbilt University Medical Center
Bariatric Surgery
Fat Absorption and Metabolism After Roux-en-Y Gastric Bypass
Using intravenous and oral administration of stable isotope tracers, we will investigate the importance of altered fat absorption and altered whole body fat metabolism for the reduced postprandial systemic TAG concentrations in…
- Trial name
- FAT-BAR (NCT04859816)
- Testing
- Metabolic test, DXA-scan, MRS
- Where
- Denmark
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital