Clinical trials: Bypass Bariatric Surgery
Obesity, Morbid, Homocystine; Metabolic Disorder
Homocysteine After Laparoscopic Roux-enY Gastric Bypass
Changes in homocysteine values after bariatric surgery remain controversially discussed. This is the first comprehensive summary to depict timeline changes in homocysteine levels following laparoscopic roux-en-Y gastric bypass.
- Conditions
- Obesity, Morbid, Homocystine; Metabolic Disorder, Bariatric Surgery Candidate, Folate Deficiency
- Trial name
- NCT03489538
- Testing
- laparoscopic long limb roux-en-Y gastric bypass
- Where
- Austria
- Volunteers
- 708 people
- Sponsor
- Medical University of Vienna
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
Obesity, Morbid
BASUN - Risks for Malnutrition, Metabolic Bone Disease and Impaired Oral Health After Obesity Treatment
Weight-reducing obesity surgery (OS) generally gives good results but complications are common; e.g. impaired weight loss, weight regain, bowel pain, diarrhea, vitamin/mineral deficiency, osteoporosis and impaired dental health.
- Trial name
- BASUN (NCT03152617)
- Where
- Sweden
- Volunteers
- 1,400 people
- Sponsor
- Göteborg University
Obesity & Overweight
Scannographic Predictive Factors of Change of Strategy During Metabolic Bariatric Surgery
Background: Laparoscopic Roux-en-Y Gastric By-pass (LRYGB) is not always feasible due to intraoperative difficulties, necessitating a change during surgical procedure.
- Trial name
- SCANOBE (NCT07296224)
- Where
- France
- Volunteers
- 288 people
- Sponsor
- Central Hospital, Nancy, France
Obesity, Bariatric Surgery
Impact of Weight Loss After a Bypass Surgery on Renal Hemodynamic Under Stress Conditions
The sympathetic nervous (SNS) and the renin angiotensin aldosterone system (RAS) have a direct impact on renal hemodynamic, hormonal secretion and vasoactive peptide.
- Conditions
- Obesity, Bariatric Surgery, Blood Pressure
- Trial name
- OBBYSS (NCT02218112)
- Testing
- bariatric surgery (gastric bypass)
- Where
- Switzerland
- Volunteers
- 36 people
- Sponsor
- Centre Hospitalier Universitaire Vaudois
Morbid Obesity, Obesity
TSBL-Based Versus BMI-Based Biliopancreatic Limb Length in One-Anastomosis Gastric Bypass
This study compares two surgical techniques used during one-anastomosis gastric bypass (OAGB) surgery for patients with severe obesity.
- Trial name
- TSBL-OAGB (NCT07796503)
- Testing
- TSBL-based biliopancreatic limb length determination, BMI-based biliopancreatic limb length determination
- Where
- Kazakhstan
- Volunteers
- 100 people
- Sponsor
- National Scientific Center of Surgery named after A.N.Syzganov
Bariatric Surgery
The Metabolic Effects of Prebiotic Supplementation After Roux-en-Y Gastric Bypass Surgery
In this study, it is aimed to evaluate whether the addition of prebiotics to patients' post-operative diets increases Roux-en-Y Gastric Bypass surgery effects.
- Trial name
- NCT03517345
- Testing
- Prebiotic, Control
- Volunteers
- 32 people
- Sponsor
- Istanbul University
Diabetes Mellitus, Type 2, Kidney Disease, Chronic
Randomized Study Comparing Metabolic Surgery With Intensive Medical Therapy to Treat Diabetic Kidney Disease
Proven therapy for DKD is primarily limited to RAAS blockers and SLGT2i. Weight reduction has the potential to become an additional and much needed treatment option.
- Conditions
- Diabetes Mellitus, Type 2, Kidney Disease, Chronic, Kidney Injury
- Trial name
- OBESE-DKD (NCT04626323)
- Testing
- Roux-en-Y gastric bypass, Best medical treatment
- Where
- Brazil
- Volunteers
- 60 people
- Sponsor
- Hospital Alemão Oswaldo Cruz
Obesity, Bariatric Surgery
Does Participation in a Pre-Operative Physical Activity Program Improve Patient Outcomes and Quality of Life?
The primary objective of the study is to determine whether participation in a pre-bariatric surgery physical activity and behavior modification/education program (ENCOURAGEING START) that is tailored to the unique needs of obese…
- Conditions
- Obesity, Bariatric Surgery, Roux-En-Y Gastric Bypass, Exercise
- Trial name
- NCT03049696
- Testing
- ENCOURAGEING START
- Where
- Canada
- Volunteers
- 48 people
- Sponsor
- University of Manitoba
Morbid Obesity, Type2diabetes
Comorbidities Resolution After MGB Surgery and Change in Body Composition
This observational study aims to learn about the correlation between the improving comorbidities associated with obesity after MGB (Mini-Gastric Bypass) surgery and changes in body composition in morbidly obese patients.
- Conditions
- Morbid Obesity, Type2diabetes, Sleep Apnea, Hypothyroidism
- Trial name
- MOGAMBO (NCT06015620)
- Testing
- Mini gastric bypass surgery
- Where
- India
- Volunteers
- 35 people
- Sponsor
- All India Institute of Medical Sciences, Bhubaneswar
Roux en Y Gastric Bypass
A Comparison of Sustained and Extended Release Bupropion Following Bariatric Surgery
This study is being conducted to evaluate how the body absorbs and processes the sustained release (SR) and extended release (XL) medication bupropion (Wellbutrin®).
- Trial name
- NCT02173886
- Testing
- Bupropion SR and XL
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- North Dakota State University
Obesity
Bariatric Surgery Versus Diet Alone in the Bile Acid Pathway and Weight Loss
It is unknown whether the bile acid pathway reacts differently to weight loss resulting from Roux-En-Y Gastric Bypass (RYGB) surgery than weight loss resulting from caloric restriction alone.
- Trial name
- NCT03238794
- Testing
- Roux-En-Y Gastric Bypass, Low-calorie Diet
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Mayo Clinic
Gastric Bypass
Mini Gastric Bypass vs Roux enY Gastric Bypass
The primary aim of this research project is to assess the safety and efficacy of the MGB operation in the UK
- Trial name
- MGB vs RYGB (NCT03673969)
- Testing
- Gastric bypass
- Where
- United Kingdom
- Sponsor
- Doncaster And Bassetlaw Hospitals NHS Foundation Trust
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
Morbid Obesity, Metabolic Disease
Study Evaluating Metabolic Syndrome in Subjects Undergoing Gastric Bypass Bariatric Syndrome
Metabolic syndrome is rapidly emerging as an epidemic of global proportions and its definition is still evolving. Patients with this syndrome are at increased risk for cardiovascular disease, and at increased risk of mortality…
- Trial name
- NCT00283374
- Testing
- Laparoscopic Roux-en-Y Gastric Bypass
- Where
- 17 sites in United States, Italy and 1 more
- Volunteers
- 120 people
- Sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
Intestinal Perforation
Evaluation of the Ability to Detect Bowel Gas During Laparoscopic Surgery
This study will determine the ability of the device to draw a small amount of gas from an insufflated abdomen during laparoscopic surgery and accurately detect if gaseous content from the bowel is present.
- Trial name
- NCT02679118
- Testing
- Sentire
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Dan E. Azagury
Morbid Obesity
Changes in Incretines, Gut Hormones and Bile Acids After Roux-en-Y Gastric Bypass
Obesity is an increasing world wide problem. Moreover, the increase in patients who are considered morbidly obese is even higher (Sturm et al, Healt Aff 2004).
- Trial name
- NCT03384303
- Testing
- Standardized meal test
- Volunteers
- 10 people
- Sponsor
- Rijnstate Hospital
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
Bariatric Surgery, Roux-en Y Gastric Bypass
Gastro-Intestinal Digestion and Physiology After Bariatric Surgery
The goal of this clinical trial is to characterize gastrointestinal digestion and physiology in patients after bariatric surgery, or people living with obesity.
- Conditions
- Bariatric Surgery, Roux-en Y Gastric Bypass, Sleeve Gastrectomy, Obesity & Overweight
- Trial name
- GIBa (NCT07286968)
- Testing
- Gastro-intestinal aspiration, Telemetric
- Where
- Netherlands
- Volunteers
- 51 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Obesity
Does Weight Loss Surgery and Probiotic Supplementation Lead to a "Lean" Gut Microbiota?
The purpose of the weight-loss study is to characterize the effect of LGG supplementation on the relative abundance of phyla in the gut microbiota of patients undergoing gastric bypass and sleeve gastrectomy surgery, and to…
- Trial name
- NCT01870544
- Testing
- Lactobacillus Rhamnosus GG
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Tufts Medical Center