Clinical trials: RYGB
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
Bariatric Surgery Candidate
Change in Reward System Activation and Gut Microbiota Following RYGB and Sleeve Gastrectomy for Weight Loss vs. Control-Heads Up Ancillary
Bariatric surgery is considered an effective long-term intervention for the treatment of obesity and associated complications. While bariatric surgery has been shown to result in a large sustained weight loss, the degree of…
- Trial name
- NCT02735564
- Testing
- Bariatric Surgery
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Pennington Biomedical Research Center
Obesity
Postprandial Nutrient Homeostasis Before and After Weight Loss Induced by Low-calorie Diet or RYGB
The purpose of this study is to compare the metabolic responses to low-carbohydrate and standard-carbohydrate meals in African Americans and non-Hispanic White adults with obesity and the effect of weight loss induced by…
- Trial name
- FGB (NCT03091725)
- Testing
- Roux-en-Y gastric bypass surgery, Low-calorie diet
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
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, Morbid, Bariatric Surgery
Photographic Food Recognition and Meal Size Estimation Before and After Roux-en-Y Gastric Bypass
Direct measurements of changes in food selection in humans after RYGB have been limited by the unreliability of patients, which poses significant methodological and conceptual challenges to researchers and study design.
- Conditions
- Obesity, Morbid, Bariatric Surgery, Roux-en-Y Gastric Bypass, Food Preferences
- Trial name
- NCT04600596
- Testing
- Recording of food intake.
- Where
- Switzerland
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Marco Bueter
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
Weight Loss, Bariatric Surgery Candidate
Conversion to SADI-S, RYGB or OAGB After Failed Sleeve
Assess what revisional surgery is superior and provides the best weight loss after primary LSG. What is the occurrence of complications and the nutritional laboratory status? And if the resolution and /or improvement of…
- Conditions
- Weight Loss, Bariatric Surgery Candidate, Comorbidities and Coexisting Conditions, Nutrient Deficiency
- Trial name
- RCTresleeve (NCT05608772)
- Testing
- revision surgery
- Where
- Egypt
- Volunteers
- 234 people, healthy volunteers welcome
- Sponsor
- General Committee of Teaching Hospitals and Institutes, Egypt
Bariatric Surgery
Evaluate the Efficacy and Safety of SASI Compared with RYGB in the Treatment of Obesity and Related Metabolic Diseases
Single anastomosis sleeve ileal bypass (SASI) is an improved surgical technique for sleeve gastrectomy (SG), which combines the advantages of SG and Roux-en-Y gastric bypass (RYGB) while avoiding their disadvantages,in order to…
- Trial name
- NCT06598267
- Testing
- SASI, RYGB
- Where
- China
- Volunteers
- 304 people, healthy volunteers welcome
- Sponsor
- The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School
Obesity, Hypoglycemia Post Gastric Bypass Surgery
GLP1R-imaging in Post-RYGB Hypoglycemia
In order to evaluate the difference in beta cell mass in patients with and without hyperinsulinemic hypoglycemia after Roux en Y gastric bypass (RYGB) investigators aim to compare quantitative PET imaging of the pancreas between…
- Conditions
- Obesity, Hypoglycemia Post Gastric Bypass Surgery, Hyperinsulinemic Hypoglycemia
- Trial name
- NCT05597475
- Testing
- GLP-1R PET
- Where
- Netherlands
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Rijnstate Hospital
Roux-en-Y Bariatric Surgery
Investigation of the Effects of Obesity Surgery on Appetitive Behaviour
Among all the existing ways to treat obesity (lifestyle, pharmacological), Roux-en-Y gastric bypass (RYGB) surgery is currently the most effective.
- Trial name
- NCT02010385
- Testing
- Octreotide, Saline
- Where
- Ireland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University College Dublin
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
Calcium Citrate Absorption, Calcium Carbonate Absorption
Comparison of the Absorption of Calcium Citrate and Calcium Carbonate in Patients With an RYGB, LSG, and OAGB
The precise impact of calcium absorption in relation to RYGB, SG, and OAGB remains under-researched in terms of statistical power and the diversity of BMS procedures considered.
- Trial name
- CALCOR-RSO (NCT06042985)
- Testing
- The absorption effect between calcium citrate and calcium carbonate
- Where
- Egypt
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- General Committee of Teaching Hospitals and Institutes, Egypt
Postprandial Hypoglycemia
Canagliflozin in Postprandial Hyperinsulinemic Hypoglycemia (CANA-PHH-RYGB)
Roux-en-Y gastric bypass (RYGB) is the most common surgical procedure for morbid obesity. However, it can present serious late complications, like postprandial hyperinsulinemic hypoglycemia (PHH).
- Trial name
- CANA-PHH-RYGB (NCT04720859)
- Testing
- Canagliflozin 300 MG Oral Tablet
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute