Clinical trials: Roux-en-Y
Obesity, Morbid, Surgery
Indocyanine Green Test in Bariatric Surgery
Indocyanine green (ICG) can be injected into the human bloodstream and it allows us to show stomach vascularity in real time
- Conditions
- Obesity, Morbid, Surgery, Leak, Anastomotic
- Trial name
- NCT05476159
- Testing
- Indocyanine green solution, Gastric bypass
- Where
- Italy
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Foggia
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
Iron Absorption, Bariatric Surgery
Iron Absorption Trial
Introduction: There are indications that the absorption of oral iron supplementation is reduced after a Roux- en -Y gastric bypass.
- Conditions
- Iron Absorption, Bariatric Surgery, Roux- en -y Gastric Bypass
- Trial name
- NCT02228902
- Testing
- Ferrous fumarate, Ferrous gluconate
- Where
- Netherlands
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Rijnstate Hospital
Bariatric Surgery, Osteoporosis
Skeletal Health in Bariatric Surgery Patients
The investigators propose a prospective cohort trial that will help to understand the impact of Roux-en-Y gastric bypass (RYGB) and sleeve gastrectomy (SG) in pre- and post-menopausal female bariatric patients.
- Conditions
- Bariatric Surgery, Osteoporosis, Fractures, Bone, Roux En-Y Gastric Bypass
- Trial name
- NCT03331536
- Testing
- Roux en Y Gastric Bypass Pre-menopausal, Roux en Y Gastric Bypass Post-menopausal, Sleeve Gastrectomy Pre-menopausal
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Muscle Function, Handgrip Strength Test
Muscle Assessment in Women Who Have Undergone Roux-en-Y Gastric Bypass Surgery
The purpose of this study is to assess muscle function in women at least two years after being submitted to Roux-en-Y Gastric Bypass Surgery and compare with a control group
- Trial name
- FUBA (NCT02811393)
- Testing
- Assess muscle function
- Where
- Chile
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Chile
Obesity, Morbid Obesity
DIT After RYGB - A Prospective Study
Bariatric surgery is the only satisfactory treatment for loss and weight maintenance in obese patients. This loss is a result of several factors that go beyond the simple anatomical abnormality of the gastrointestinal tract and…
- Conditions
- Obesity, Morbid Obesity, Bariatric Surgery
- Trial name
- DIT RYGB (NCT01759667)
- Testing
- A standard mixed Meal
- Where
- Brazil
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Silvia Leite Faria
Morbid Obesity
The Influence of Aerobic Endurance Training After Roux-en-Y-Gastric Bypass
The aim of this study was to assess the efficiency of aerobic physical exercise (APE) on weight loss, body composition and co-morbidities in patients after laparoscopic Roux-en-Y Gastric bypass (RYGBP).
- Trial name
- AET (NCT00875186)
- Testing
- aerobic endurance training
- Where
- Germany
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universitätsmedizin Mannheim
Obesity
One-anastomosis Gastric Bypass/Mini-Gastric Bypass Versus Roux-en Y Gastric Bypass
The aim of this prospective randomized controlled trial is to compare the two procedures One-anastomosis gastric Bypass/Mini-gastric Bypass (OAGB/MGB) and Roux-en Y gastric bypass (RYGB) in relation to intraoperative and…
- Trial name
- MGBvsRYGB (NCT03045679)
- Testing
- RYGB, OAGB/MGB
- Where
- Germany
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sana Klinikum Offenbach
Small Intestine Length Measurement
Digital 3D Reconstruction Predicts Small Bowel Length
The prevalence of type 2 diabetes mellitus (T2DM) has been increasing annually worldwide, and the prevalence of diabetes has reached 11.6% in China.
- Trial name
- DTDRPSBL-BS (NCT05338567)
- Testing
- Small intestine length measurement method
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Daping Hospital and the Research Institute of Surgery of the Third Military Medical University
Obesity, Type 2 Diabetes
Gut Hormones and Roux en Y Gastric Bypass
The purpose of this study is to assess whether the changes in gut hormones seen following Roux en Y Gastric Bypass surgery are responsible for some of the beneficial effects seen post-operatively.
- Trial name
- NCT01945840
- Testing
- Roux en Y Gastric Bypass Surgery, Gut hormone infusion, Very low calorie diet
- Where
- United Kingdom
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Post Prandial Hypoglycemia
Validation of a Diagnostic Tool for Postprandial Hypoglycaemia in Patients After Roux en Y Gastric Bypass Surgery
Roux-en-Y gastric bypass (RYGB) leads to weight reduction but has also some unwanted side effects. A part of this population will develop postprandial reactive hypoglycemia (PPRH).
- Trial name
- EDS (NCT03406312)
- Testing
- Post Prandial Hypoglycemia test
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Ghent
Gastric Bypass, Obesity
Meal Stimulating After Roux-en Y Gastric Bypass
In many studies, gastric bypass surgery led to total remission of type 2 diabetes (T2DM) as early as 1 - 2 days after surgery before any real weight loss has occurred.
- Trial name
- NCT00915980
- Testing
- gastric bypass surgery and testing
- Where
- Denmark
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
Bypass Complications
Sustained-release Morphine Pharmacokinetics in Roux-en-Y Gastric Bypass Subjects
The purpose of this study is to determine whether sustained release morphine pharmacokinetics parameters in patients undergone roux-en-y gastric bypass (RYGB) differ from subjects who did not.
- Trial name
- OBEMO2 (NCT02641301)
- Testing
- Sustained release morphine sulfate, 30 mg
- Where
- 2 sites in France
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Hopital Lariboisière
Gastric Bypass
Mechanistic Investigation Of Intestinal Cytochrome p450 3A4 Following Roux-en-Y Surgery And Its Effect on Plasma Concentrations of Buspirone
This study is to compare intestinal Cytochrome P450 3A4 (CYP3A4) activity in 9-18 month post weight loss surgery Roux-en-Y Gastric Bypass (RYGB) versus control subjects who have not had a weight loss surgery and are of similar…
- Trial name
- NCT02483598
- Testing
- Buspirone, Buspirone and Grapefruit Juice
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- North Dakota State University
Roux-en-Y Gastric Bypass, Obesity
Meal Glycaemic Index and Exercise After Gastric Bypass
The study will evaluate postprandial glucose excursions and gut hormone secretion after ingestion of meals with different glycaemic index (GI) values (high vs low) followed by an acute bout of exercise or rest in gastric bypass…
- Trial name
- NCT03478098
- Testing
- Low GI mealtest, Low GI mealtest and subsequent exercise, High GI mealtest
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Kirstine Nyvold Bojsen-Moeller
Morbid Obesity
Cost-Effectiveness and Outcome of Robot-assisted Vs Laparoscopic Roux-en-Y Gastric Bypass
The objective of this randomized controlled trial is to compare perioperative outcomes between laparoscopic and robotic approaches in patients with severe obesity who are candidates for RYGB.
- Trial name
- LvRRYGB (NCT07153419)
- Testing
- Laparoscopic and robotic (DaVinci) RYGB
- Where
- Italy
- Volunteers
- 512 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Type 2 Diabetes Mellitus
The Contribution of Incretin Hormones to Post-prandial Glucose Metabolism After Roux-en-Y Gastric Bypass
The study is being undertaken to understand how the Roux-en-Y Gastric Bypass procedure can affect insulin secretion after meals.
- Trial name
- NCT01843881
- Testing
- Exendin 9, 39
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Adrian Vella
Obesity, Bariatric Surgery Candidate
Evaluation of Hormonal Contraceptive Treatments in Obese Women
The aim of our study is to assess the concentrations of different oral contraceptive agents in morbid obese women before and after two types of bariatric surgeries (RYGB and sleeve gastrectomy) in order to study the role of the…
- Conditions
- Obesity, Bariatric Surgery Candidate, Oral Contraceptive
- Trial name
- OBECO (NCT02398903)
- Testing
- Blood samples for measurement of drug Css, DXA and impedancemetry
- Where
- 2 sites in France
- Volunteers
- 174 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Obesity (Disorder)
Three M Study (Malabsorption, Microbiota, Mini-Gastric Bypass)
Bariatric surgery represents the best therapeutic option to induce sustainable weight loss and to solve serious comorbidities improving the life-expectancy and the quality of life.
- Trial name
- NCT03412149
- Testing
- Mini Gastric Bypass, Roux en Y Gastric Bypass
- Where
- Italy
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Roma La Sapienza
Obesity
Brain Activation in Response to Appetitive Cues Pre- and Post- Bariatric Surgery
Utilizing fMRI, this study will examine changes in BOLD signal as a proxy measure of brain activation in response to highly palatable (high energy density [kcal/g]), less palatable and non-food stimuli in severely obese women…
- Trial name
- NCT01590914
- Testing
- Fed Condition, Fasted Condition
- Where
- 2 sites in United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- New York Obesity and Nutrition Research Center