Clinical trials: Roux-en-Y Gastric Bypass
Anastomosis, Roux-en-Y, Surgical Operation With Anastomosis, Bypass or Graft
Comparison of Laparoscopic Traditional and Knotless Sutures
Background Excess weight and obesity is the fifth leading risk factor for global death. Bariatric surgery is considered as the only effective long-term treatment for morbid obesity.
- Trial name
- NCT02720718
- Testing
- Stratafix, Vicryl
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- AZ St.-Dimpna Geel
Acid Reflux Esophagitis, Non-acid Reflux Esophagitis
Resolving Bile Reflux by Lanreotide in Patients With Roux-en-Y Gastrojejunostomy
Somatostatine induces a dose-dependent reduction of postprandial plasma cholecystokinin (CCK) secretion with a concomitant inhibition of postprandial gallbladder contraction, abolishing almost completely bile salts output from…
- Trial name
- NCT02054637
- Testing
- Lanreotide
- Where
- Belgium
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Roux-en-y Gastric Bypass, Post Prandial Hypoglycemia
Evaluation of the Neuro-endocrine Response to Post-prandial Hyperinsulinaemic Hypoglycaemia.
The primary objective of this study is to assess the neuro-endocrine response to hypoglycaemia in PHH vs. non-PHH post-gastric bypass individuals.
- Trial name
- DEEP1B (NCT04334161)
- Testing
- Administration of glucose and controlled induction of hypoglycaemia.
- Where
- Switzerland
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Lia Bally
Gastric Bypass, Parathyroid Hormone
Trial Of Paricalcitol and Cholecalciferol(Vitamin D3) in the Treatment Of Secondary Hyperparathyroidism in Patients After ROUX-EN-Y Gastric Bypass Surgery
Evaluate the efficacy of paricalcitol, cholecalciferol, and placebo in the reduction of parathyroid hormone in patients after Roux-en-Y gastric bypass surgery (RYGB).
- Trial name
- ExtenD (NCT01138475)
- Testing
- Paricalcitol, Cholecalciferol
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Kerstyn C. Zalesin, M.D.
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
Post Bariatricsurgery, Hypoglycemia
Role of Neural and Hormonal Regulation Factors on Insulin Secretion After Gastric Bypass Surgery
RYGB (roux-en-y gastric bypass) has been reported to reverse type 2 diabetes (T2DM) immediately after surgery before any significant weight loss.
- Trial name
- NCT00992901
- Testing
- Exendin-(9-39), Atropine, GLP-1 and GIP
- Where
- 2 sites in United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Obesity, Morbid
Suboptimal Weight Loss After Gastric Bypass Surgery
Bariatric surgery is the only long-term established treatment for morbid obesity. However, some patients experience suboptimal weight loss after surgery and/or experience a significant weight regain.
- Trial name
- NCT01829906
- Testing
- Multidisciplinary outpatient programme, Inpatient lifestyle programme
- Where
- Norway
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Diabetes Mellitus, Type 2, Obesity
Effect of Roux-en-Y Gastric Bypass or Gastric Sleeve Surgery on Type 2 Diabetes
Roux-en-Y Gastric Bypass surgery (RYGB) ameliorates type 2 diabetes within days after surgery. Studies indicate that the gastric sleeve procedure has comparable effect on type 2 diabetes, but to what extent and how is not fully…
- Trial name
- NCT02713555
- Testing
- Roux-en-Y Gastric Bypass, Gastric Sleeve
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Laparoscopic Sleeve Gastrectomy, Sleeve Gastrectomy
A Retrospective Multicenter Comparison of Laparoscopic and Robotic-Assisted Roux-en-Y Gastrectomy
The prevalence of obesity has tripled in the last 50 years with presently about 1.7 billion of the world population aged 18 years and over either overweight or obese.1 In the US alone, 35% of the population is obese.2 Although…
- Trial name
- NCT05224791
- Testing
- Roux-en-Y Gastric Bypass, Sleeve Gastrectomy
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Methodist Health System
Obesity
Gut Microbiota Post Roux-en-Y Gastric Bypass Surgery
The purpose of this study is to investigate mechanisms responsible for weight change in patients who have undergone weight loss surgery.
- Trial name
- NCT02654496
- Testing
- Meal challenge
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- North Dakota State University
Obesity, Morbid
Different Limb Lengths in Gastric Bypass Surgery (SLIM) - Part 3: Metabolism and Inflammation
Investigation of underlying metabolic mechanisms and impact on the two surgical procedures on inflammatory factors.
- Trial name
- SLIM - Part 3 (NCT05471037)
- Testing
- Long Biliopancreatic Limb LRYGB, Short Biliopancreatic Limb LRYGB
- Where
- Switzerland
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Hyperinsulinemic Hypoglycemia, Postprandial Hypoglycemia
Treatment of Post-bariatric Hypoglycaemia
This is an investigator-initiated, proof-of-concept, randomised, double-blind, placebo-controlled, single-centre phase II study aiming to evaluate the efficacy, safety and tolerability of self-administered subcutaneous 120 µg…
- Trial name
- SHERRY (NCT04836273)
- Testing
- Dasiglucagon, HyoPen
- Where
- Denmark
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Filip Krag Knop
Obesity
Determinants of Oral Morphine Answer Among Obese Patients Before and After Gastric Bypass
The bariatric surgery is widely used to treat obesity. Roux-en-Y gastric bypass is one of the most frequently surgical methods performed and combines restrictive and malabsorptive procedures.
- Trial name
- OBEMO (NCT00943969)
- Testing
- gastric bypass
- Where
- France
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Hopital Lariboisière
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
Reflux Disease, Gastro-Esophageal, Vomiting, Postoperative
Antireflux Suture In One Anastomsis Gastric Bypass
To prevent refulx symptoms in a type of bariatric surgery, a suture is taken.there is no enough evidence in support of or against the suture.
- Trial name
- NCT07148492
- Testing
- Antireflux suture, No Antireflux suture
- Where
- Pakistan
- Volunteers
- 316 people, healthy volunteers welcome
- Sponsor
- Khyber Teaching Hospital
Obesity, Morbid, Metabolic Syndrome
Biometabolic Outcomes After Weight Loss Surgery: An Individualized Approach
Variable outcomes after weight loss surgery are likely attributable to complex, poorly understood mechanisms. Due to the significant impact that morbid obesity has on a patient's health, successful management of obesity and its…
- Conditions
- Obesity, Morbid, Metabolic Syndrome, NASH - Nonalcoholic Steatohepatitis
- Trial name
- NCT04841057
- Testing
- 50 cm BP limb length, 100 cm BP limb length, 150 cm BP limb length
- Where
- United States
- Volunteers
- 750 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Steatohepatitis, Morbid Obesity
Transoral Endoscopic Liver Biopsy During Laparoscopic Gastric Bypass
This research is being done to evaluate the ability to obtain a liver sample using upper endoscopy rather than through a laparoscopic procedure.
- Trial name
- NCT00512512
- Testing
- Transoral Endoscopic Liver Biopsy
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Bariatric Surgery
Effects of Gastric Bypass on Blood Levels of Duloxetine
This study aims to determine the difference, if any, in the pharmacokinetics of duloxetine between patients who are nine to fifteen months post Roux-en-Y Bariatric Surgery and control subjects matched for body mass index (BMI)…
- Trial name
- NCT00989157
- Testing
- Duloxetine
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Neuropsychiatric Research Institute, Fargo, North Dakota
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
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