Clinical trials: Gastric Bypass
Obesity
Long-Term Follow-up of Ohio State University Medical Center (OSUMC) Bariatric Patients
Obtain long-term follow-up results for bariatric patients who underwent medical management or surgery for treatment of morbid obesity by Ohio State University Medical Center (OSUMC).
- Trial name
- NCT00700843
- Where
- United States
- Volunteers
- 23 people
- Sponsor
- Ohio State University
Obesity, Roux-en-Y Gastric Bypass
A Registry of Laparoscopic Bariatric Surgery Using Stapling Devices: Observation of Safety and Clinical Efficacy
The purpose of this observational registry is to evaluate the safety and the clinical efficacy of laparoscopic bariatric surgery using stapling devices (easyEndoTM Universal Linear Cutting Stapler and reloads from Ezisurg…
- Conditions
- Obesity, Roux-en-Y Gastric Bypass, Gastrostomy, Nissen Sleeve
- Trial name
- STAP-JOLI (NCT04808206)
- Testing
- easyEndoTM Universal Linear Cutting Stapler and reloads (Ezisurg Medical)
- Where
- 3 sites in Belgium
- Volunteers
- 150 people
- Sponsor
- Duomed
Morbid Obesity
Laparoscopic Roux-en-Y Gastric Bypass Versus Laparoscopic Sleeve Gastrectomy
The sleeve gastrectomy that has been utilized as a first-stage bariatric procedure to reduce surgical risk in high-risk patients by induction of weight loss is now gaining popularity as a standalone procedure for the treatment of…
- Trial name
- NCT00667706
- Testing
- laparoscopic operation Sleeve Gastrectomy, laparoscopic operation Roux-en-Y Gastric bypass
- Volunteers
- 200 people
- Sponsor
- Hadassah Medical Organization
Severe Obesity, Type 2 Diabetes Mellitus in Obese
L-Cell Activity in Small Intestine as Biliopancreatic Loop in Obese Patients With DM2 Submitted to RYGBP
Prevalence of Obesity and its association with Diabetes Mellitus 2 (DM2) affect a significant percentage of the world's population with great socioeconomic impact, especially for developing countries.
- Trial name
- NCT05446415
- Testing
- Analyze basal expression incretin for immunolabeling and mRNA expression glucagon-like secretion peptide-1 (GLP-1) and peptide YY (PYY 3-36) incretins by L cells.
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo General Hospital
Obesity (BMI>30), Obesity (BMI > 35)
FABP4 Response After Roux-en-Y Gastric Bypass
This retrospective observational cohort study examined serum fatty acid-binding protein 4 (FABP4) dynamics in 28 adults who underwent Roux-en-Y gastric bypass (RYGB), followed at baseline, 3 months, and 6 months.
- Conditions
- Obesity (BMI>30), Obesity (BMI > 35), Insulin Resistance, Bariatric Surgery
- Trial name
- FABP4-RYGB (NCT07774208)
- Volunteers
- 28 people
- Sponsor
- Istanbul University
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
Hypophosphatemia, Roux-en-Y Gastric Bypass
IV Iron-induced Hypophosphatemia After RYGB
The primary objective of the study is to compare the incidence of hypophosphatemia in RYGB patients treated with intravenous (IV) single dose of iron isomaltoside (Monofer®) or ferric carboxymaltose (Ferinject®).
- Trial name
- IVORY (NCT06350955)
- Testing
- Iron isomaltoside, Iron Carboxymaltose
- Where
- Switzerland
- Volunteers
- 94 people
- Sponsor
- Lucie Favre
Obesity
Clinical Efficacy and Safety of Using 3.0mg Liraglutide to Treat Weight Regain After Roux-en-Y Gastric Bypass Surgery
This is a randomized, double-blinded, placebo-controlled trial of liraglutide versus placebo over a follow-up period of 12 months in patients at least 18 months following Roux-en-Y gastric bypass (RYGB) who are experiencing…
- Trial name
- NCT03048578
- Testing
- Saxenda
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- NYU Langone Health
Morbid Obesity
Banded Versus Non-banded Roux-en-y Gastric Bypass
A Roux-en-Y Gastric Bypass (RYGB) is on the long term not always successful in every patient because weight regain can occur. An intervention to prevent weight regain in the future is to place a silicone band (non-adjustable)…
- Trial name
- Bandolera (NCT02545647)
- Testing
- BRYGB
- Where
- Netherlands
- Volunteers
- 130 people
- Sponsor
- Rijnstate Hospital
Gastric Bypass Surgery
Efficacy of Oversewing Versus Surgical Ligation Clips for Staple Line Reinforcement of the Gastric Pouch to Reduce Post Operative Bleeding in Laparoscopic One Anastomosis Gastric Bypass
1. To test if there is a significant differences between Oversewing versus surgical ligation clips for staple line reinforcement of the gastric pouch regarding the reduction of post operative bleeding and the need for blood…
- Trial name
- NCT07238309
- Testing
- Oversewing, Surgical Ligation Clips
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Morbid Obesity
Glucose Homeostasis Pre and Post Bariatric Surgery
The investigators wish to study the effects of three forms of bariatric surgery: Roux-en-Y gastric bypass, Sleeve Gastrectomy, and Gastric Banding. The surgery is not part of the clinical trial.
- Trial name
- RB (NCT00981500)
- Testing
- gastric bypass, gastric banding, sleeve gastrectomy
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Washington University School of Medicine
Obesity, Gastric Bypass
Effect of Gastric Bypass-induced Weight Loss on Myocardial Structure, Function and Metabolism
Obesity affects more than 43 million Americans and is associated with an increased incidence of heart failure, sudden death, and cardiovascular death.
- Trial name
- NCT00841009
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- Washington University School of Medicine
Obesity
Short-term Investigation of Resveratrol on Fat Metabolism in Morbidly Obese Women Undergoing Gastric Bypass Surgery
The purpose of this study is to investigate potential metabolic effects of resveratrol in morbidly obese women undergoing gastric bypass surgery.
- Trial name
- NCT01826279
- Testing
- Resveratrol
- Where
- Denmark
- Volunteers
- 16 people
- Sponsor
- University of Aarhus
Hypoglycemia
An Open-Label Study of XOMA 358 in Patients With Hypoglycemia After Gastric Bypass Surgery
The purpose of this study is to evaluate the safety and clinical pharmacology of XOMA 358 in patients with hypoglycemia after gastric bypass surgery.
- Trial name
- XOMA 358 (NCT02772718)
- Testing
- XOMA 358 single dose level A, XOMA 358 single dose level B, XOMA 358 single dose level C
- Where
- 5 sites in United States
- Volunteers
- 20 people
- Sponsor
- XOMA (US) LLC
Obesity, Food Deprivation
Microstructure of Ingestive Behavior and Body Weight Loss After Roux-en-Y Gastric Bypass
Studies of appetitive behavior in humans after RYGB have produced ambiguous results. It therefore remains unclear whether there are fundamental shifts in the palatability of high-fat and sugary foods after RYGB or simply a…
- Conditions
- Obesity, Food Deprivation, Bariatric Surgery, Roux-en-y Gastric Bypass
- Trial name
- Drinkometer (NCT04933305)
- Testing
- Roux-en-Y Gastric Bypass
- Where
- Switzerland
- Volunteers
- 50 people
- Sponsor
- Marco Bueter
Obesity, Morbid
Comparing a Randomised Controlled Intervention With Observational Data.
Comparison of participants in a randomised controlled trial (RCT) with observational data from patients operated in Sweden during the same period of time.
- Trial name
- NCT02763501
- Testing
- closure of mesenteric defects, non-closure of mesenteric defects
- Volunteers
- 10,992 people, healthy volunteers welcome
- Sponsor
- Region Örebro County
Morbid Obesity
Gut Hormones After Roux-en-Y Gastric Bypass (RYGBP) Plus Gastric Fundus Resection
Laparoscopic Roux-en-Y gastric bypass (LRYGBP) is considered a combination of restriction-malabsorption procedure and one of the most common operative procedures implemented.
- Trial name
- NCT01341028
- Testing
- Roux-en-Y gastric bypass (LRYGBP), LRYGBP+gastric fundus resection
- Where
- Greece
- Volunteers
- 24 people
- Sponsor
- University of Patras
Obesity, Morbid, Diabetes Mellitus, Type 2
Endotoxin and Intestinal Flora Before and After Gastric Bypass or Banding in Diabetics
This research project is designed to investigate endotoxin (a toxin present in the wall of certain kinds of bacteria) levels and the type of bacteria present in the intestine before and after Roux-en-Y gastric bypass or gastric…
- Conditions
- Obesity, Morbid, Diabetes Mellitus, Type 2, Gastric Bypass
- Trial name
- NCT00960765
- Where
- 2 sites in United States
- Volunteers
- 15 people
- Sponsor
- CPL Associates
Obesity, Gallstones
Obeticholic Acid in Bariatric and Gallstone Disease
By binding to the nuclear receptor FXR, bile acids not only regulate their own turn-over but presumably also pivotal steps in cholesterol, triglyceride and glucose metabolism as shown in laboratory animals.
- Trial name
- OCABSGS (NCT01625026)
- Testing
- Obeticholic acid
- Where
- Sweden
- Volunteers
- 40 people
- Sponsor
- Sahlgrenska University Hospital
Type2 Diabetes, NAFLD
Effects of VLCD and Bariatric Surgery in Patients With Type 2 Diabetes
The investigators are therefore interested to explore the effects of VLCD and different bariatric surgery procedures to changes in the physical deposition of fat in organs which regulate glucose metabolism (i.e.
- Conditions
- Type2 Diabetes, NAFLD, Obesity
- Trial name
- BARIATRICMRI (NCT05092399)
- Testing
- Bariatric Surgery
- Where
- United Kingdom
- Volunteers
- 21 people
- Sponsor
- University of Nottingham