Clinical trials: Roux-En-Y Gastric Bypass
Type 2 Diabetes
Diet and Medical Therapy Versus Bariatric Surgery in Type 2 Diabetes
It is generally held that ß-cell function is irreversibly lost already at the time the disease manifests itself and thereafter continues to decline linearly with time.
- Trial name
- DIBASY (NCT00888836)
- Testing
- Bariatric surgery: Gastric bypass, Bariatric surgery: Bilio-pancreatic diversion, anti-diabetic drugs and behavioral suggestions
- Where
- Italy
- Volunteers
- 60 people
- Sponsor
- Catholic University of the Sacred Heart
Obesity
Roux-en-Y Gastric Bypass: Clinical Trial
The present study aims to describe the results of a modified gastric bypass surgery to ensure endoscopic access to the excluded remaining stomach, as well as to monitor the clinical conditions of comorbidities and the patient's…
- Trial name
- ERAPT (NCT04649619)
- Testing
- GASTRIC BYPASS MODIFIED IN ROUX-EN-Y AS A THERAPEUTIC OPTION IN PATIENTS WITH INDICATION OF BARIATRIC AND / OR METABOLIC SURGERY
- Where
- Brazil
- Volunteers
- 33 people
- Sponsor
- Paulo Reis Esselin de Melo
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
Obesity
Effect of Caloric Restriction and Gastric Bypass on Resting Metabolic Rate
Studies in overweight and obese subjects show a decline in resting metabolic rate (RMR) even after moderate caloric restriction. Yet the onset and course of such a metabolic adaption is still unclear.
- Trial name
- NCT01595945
- Testing
- Gastric bypass, Caloric restriction
- Where
- 2 sites in Austria
- Volunteers
- 75 people
- Sponsor
- KiloCoach e.U.
Obesity, Insulin Resistance
Ghrelin and Insulin Resistance
Ghrelin, a hormone produced in the stomach that stimulates hunger and food intake, declines immediately after weight loss surgery. Some studies suggest that ghrelin may worsen an individual's ability to respond to insulin.
- Conditions
- Obesity, Insulin Resistance, Normal Weight,Healthy Controls
- Trial name
- NCT00884494
- Testing
- Ghrelin infusion to assess effects on insulin sensitivity
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Gastric Bypass, Body Weight
Pharmacokinetic Evaluation of Moxifloxacin Administered Intravenously and Orally in Healthy Volunteers Who Have Had a Gastric Bypass
Roux-and-Y gastric bypass is one of the most common forms of bariatric surgery; due to a reduction in size of the stomach and intestine, the available surface area for the absorption of oral drugs is strongly decreased.
- Trial name
- DRUG10_MOXI (NCT01130922)
- Testing
- moxifloxacin per IV, moxifloxacin per os
- Where
- Belgium
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Ghent
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.
Bariatric Surgery, Gastric Bypass
Study to Examine the Effect of Gastric Bypass Surgery on Venlafaxine ER Blood Levels
The purpose of the study is to determine whether a significant and predictable change in bioavailability of extended-release venlafaxine occurs following Roux-en-Y gastric bypass.
- Conditions
- Bariatric Surgery, Gastric Bypass, Roux-en-Y Gastric Bypass
- Trial name
- NCT01867255
- Testing
- venlafaxine ER (extended-release) 75 mg
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Mayo Clinic
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
Glucose Intolerance, Gastric Bypass Surgery
Examination of the Metabolic Effects of Direct Bile Salt Delivery to the Ileum in Humans
This project will evaluate distal intestinal bile salt administration in humans by deliving ursodeoxycholic acid (UDCA) into the terminal ileum of subjects with a pre-existing ileostomy and assessing several hormone levels…
- Trial name
- NCT03201952
- Testing
- Ursodeoxycholic Acid
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Morbid Obesity
Banded Versus Non-banded Roux-en-Y Gastric Bypass
This is a prospective randomized Study comparing Weight loss, Esophageal Motility and Reflux in lap. Gastric Bypass vs. lap. Banded-Gastric Bypass using the A.M.I. Soft Gastric Bypass Band (B-Band.
- Trial name
- NCT01078181
- Testing
- gastric bypass
- Where
- Austria
- Volunteers
- 100 people
- Sponsor
- Medical University of Vienna
Obesity, Obesity, Morbid
Endoscopic Metabolic and Bariatric Therapies
This is a prospective collection of data from adult patients who have had an endoscopic metabolic and bariatric endoscopy procedure (EMBT) for primary or revision surgical procedures for obesity.
- Conditions
- Obesity, Obesity, Morbid, Obesity Associated Disorder, Bariatric Surgery Candidate
- Trial name
- EMBTs (NCT05725967)
- Testing
- Primary Obesity Endoscopic Procedures, Endoscopic Revision of Bariatric Surgical Procedures, Bariatric Surgery Procedures
- Where
- United States
- Volunteers
- 5,000 people
- Sponsor
- Christopher C. Thompson, MD, MSc
Type 2 Diabetes, Obesity
Changes in Glucose Metabolism After Roux-en-Y Gastric Bypass
Besides causing weight loss Roux-en-Y gastric bypass (RYGB) has profound effect on glucose metabolism leading to remission of type 2 diabetes early after surgery. However the mechanisms for this improvement remain uncertain.
- Trial name
- NCT01993511
- Where
- Denmark
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
MASLD
Hepatic Gene Response to Intravenous Glucose in Obese Patients With and Without MASLD Undergoing Bariatric Surgery
The goal of this clinical trial is to learn how the liver responds to sugar in people with obesity who are having bariatric surgery.
- Trial name
- GHAST (NCT07326865)
- Testing
- [6,6-D2]-labeled glucose (intravenous), Saline (0.9% sodium chloride infusion)
- Where
- Netherlands
- Volunteers
- 40 people
- Sponsor
- Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
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
Obesity, Morbid, GERD
Functional Changes in the Stomach and Esophagus After One Anastomosis Gastric Bypass- OAGB
Evaluation of the functional changes in the stomach and esophagus of patients undergoing One Anastomosis Gastric Bypass (OAGB)
- Conditions
- Obesity, Morbid, GERD, Ulcer, Gastric
- Trial name
- BiFLux (NCT04422405)
- Testing
- One Anastomosis Gastric Bypass (OAGB)
- Where
- Switzerland
- Volunteers
- 300 people
- Sponsor
- Spital Limmattal Schlieren
Obesity, Type 2 Diabetes Mellitus
Metabolic Surgery Versus Medical Management for Resolution of Type II Diabetes
Best medical management and gastric bypass surgery is a way to treat diabetes as part of regular medical care (standard of care).
- Trial name
- NCT01044602
- Testing
- Laboratory evaluations, sleep study, Best Medical Management, Roux-en-Y gastric bypass surgery
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- David Bradley MD
Inadequate Initial Weight Loss, Persistent Clinically Severe Obesity
Laparoscopic Revision Gastric Bypass for Inadequate Initial Weight Loss
The main aim of this study is to analyze and report traditional, patient-centered, and composite intermediate-term outcomes after laparoscopic revision Roux-en-Y gastric bypass surgery for inadequate initial weight loss.
- Trial name
- IIWL (NCT01040377)
- Where
- United States
- Volunteers
- 42 people
- Sponsor
- University of California, San Francisco
Diabetes, Gestational, Gastric Bypass Status for Obesity Complicating Pregnancy, Childbirth, or the Puerperium
Gestational Diabetes After Gastric Bypass Surgery
The goal of this trial is to compare different means of glucose monitoring in women with gestational diabetes and a history of gastric bypass surgery.
- Conditions
- Diabetes, Gestational, Gastric Bypass Status for Obesity Complicating Pregnancy, Childbirth, or the Puerperium, Pregnancy in Diabetic, Blood Glucose Self Monitoring
- Trial name
- NCT06291766
- Testing
- FreeStyle Libre 2, continous glucose monitoring
- Where
- Sweden
- Volunteers
- 120 people
- Sponsor
- Region Skane
Obesity
Enhanced Recovery After Surgery in Laparoscopic Sleeve Gastrectomy
While laparoscopic sleeve gastrectomy (LSG) has become the most commonly performed bariatric surgery procedure in the US and worldwide, it is associated with significant postoperative nausea and vomiting (PONV), which can lead to…
- Trial name
- NCT03520803
- Testing
- Enhanced recovery after surgery protocol
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Hartford Hospital