Clinical trials: Bypass Bariatric Surgery
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
Hypoglycemia Non-Diabetic, Gastric Bypass Status Complicating Pregnancy, Birth, or Puerperium
Bariatric Surgery and Consequences for Mother and Baby in Pregnancy
Background Roux-en-Y gastric bypass (RYGB) is a well-established treatment of obesity, most often performed in women during their reproductive years. Adverse events related to RYGB include hypoglycemia.
- Trial name
- BAMBI (NCT03713060)
- Testing
- Mixed meal test
- Where
- 2 sites in Denmark
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- University of Southern Denmark
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
Overweight
Carbohydrates and Gut Hormones After Gastric Bypass Surgery
To investigate the secretion of gut hormones, in particular glucagon-like peptide 1 (GLP-1), after ingestion of glucose and fructose as separate monosaccharides or combined in the disaccharides sucrose and isomaltulose and the…
- Trial name
- NCT02879955
- Testing
- Glucose + Fructose, Sucrose, Isomaltulose
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
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
Complications After Gastric Bypass Operation
Complications After Bariatric Surgery - a Clinical Trial
The number of obese is increasing rapidly. Bariatric surgery is used to a greater and greater extent as treatment of obesity to obtain a greater and more permanent weight loss.
- Trial name
- NCT01930838
- Testing
- Gastric bypass operation
- Where
- Denmark
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Aarhus
Obesity
How Does Bariatric Surgery Affect Social Experiences and Well-being - The BaSES-study
Nonrandomized controlled trial to assess whether or not sleeve gastrectomy (SG) or Roux-en-Y gastric bypass (RYGB) affect social experiences and biomarkers of well-being 6 weeks and 1 year after surgery.
- Trial name
- BaSES (NCT05207917)
- Testing
- Gastric bypass, Sleeve gastrectomy, Single anastomosis sleeve ileal (SASI) bypass
- Where
- Norway
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- The Hospital of Vestfold
Roux en Y Gastric Bypass, Sleeve Gastrectomy
Venlafaxine PK Following Bariatric Surgery
This study is being conducted to evaluate how the body absorbs and processes the immediate release (IR) and sustained release (XR) medication venlafaxine (Effexor®).
- Trial name
- VLX (NCT02005107)
- Testing
- Venlafaxine IR and Venlafaxine XR
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- North Dakota State University
Obesity, Bariatric Surgery
Effects of Bariatric Surgery on Insulin
This study, conducted at the NIH Clinical Research Unit (CRU) at the Phoenix Indian Medical Center, will compare the effects of two methods of bariatric surgery, the adjustable BAND and Roux-en-Y gastric bypass, on insulin.
- Conditions
- Obesity, Bariatric Surgery, Gastric Bypass, Weight Loss
- Trial name
- NCT00535600
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Obesity, Morbid Obesity
Obesity-related Inflammation in Patients Prior to and After Bariatric Surgery
This study investigates the chronic long-term health condition of obesity and its effect on neutrophil function and the inflammatory response
- Trial name
- NCT03283644
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- University of Birmingham
Morbid Obesity, Metabolic Syndrome
FMT in Obesity: RYGB vs. LEAN vs. Autologous FMT
This double-blinded proof-of-concept study is proposed to explore the effects of fecal microbiota transfer (FMT) in human subjects.
- Conditions
- Morbid Obesity, Metabolic Syndrome, Diabetes, PreDiabetes
- Trial name
- DACH (NCT06268990)
- Testing
- Fecal microbiota transplantation
- Where
- Austria
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Wiebke Kristin Fenske
Obesity
Effect of Acute Exercise on Food Intake and Energy Expenditure Following a Gastric Bypass
This pilot study will use a crossover design to explore the effects of acute exercise following bariatric surgery on food intake, energy expenditure, appetite, food reward, appetite hormones, and inflammatory response.
- Trial name
- ExoABari (NCT04348617)
- Testing
- Moderate exercise, Rest
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universite du Quebec en Outaouais
Obesity, Hypoglycemia
Etiology, Assessment and Treatment of Post-gastric Bypass Severe Hypoglycemia
With increasing rates of obesity the number of anti-obesity operations performed is increasing; one of the most common is gastric bypass.
- Conditions
- Obesity, Hypoglycemia, Surgery
- Trial name
- NCT01865760
- Testing
- Oral Glucose tolerance test (OGGT), Liquid mixed meal, Octreotide
- Where
- Denmark
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Glucose Metabolism Disorders, Obesity
Effect of Meal Texture on Glucose-metabolism and Gut Hormone Response After Bariatric Surgery
The investigators want to evaluate the difference in glucose metabolism and intestinal hormonal response after a liquid meal versus a solid meal in patients after bariatric surgery.
- Conditions
- Glucose Metabolism Disorders, Obesity, Sleeve Gastrectomy, Gastric Bypass
- Trial name
- Obesity (NCT04082923)
- Testing
- Liquid meal, Solid meal
- Where
- Denmark
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Hvidovre University Hospital
Morbid Obesity, Bariatric Surgery
Study to Determine Incidence of Hypoventilation in Patients Who Have Undergone Gastric Bypass
The purpose of this study is to determine if gastric bypass patients experience hypoventilation in the immediate postoperative period, and to what degree.
- Trial name
- NCT00316446
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Obesity
Strength Training Following Gastric Bypass for Obesity
We will assess whether undesirable loss of lean tissue following gastric bypass surgery for obesity can be minimized by protein supplementation and exercise training.
- Trial name
- NCT00065013
- Testing
- strength training
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)