Clinical trials: Roux en Y Gastric Bypass
Osteopenia
BP Limb Length of 60cm vs 100cm in Roux-en-Y Gastric Bypass
Patients will be randomized into 2 groups: Group 60: Patients will undergo a Roux-en-Y gastric bypass with a Biliopancreatic limb length of 60cm Group 100: Patients will undergo a Roux-en-Y gastric bypass with a Biliopancreatic…
- Trial name
- NCT04377230
- Testing
- biliopancreatic limb length of 60cm., biliopancreatic limb length of 100cm.
- Volunteers
- 200 people
- Sponsor
- Hospital General Universitario Elche
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
Effect of Limb Length Ratio on Roux-en-Y Gastric Bypass Outcomes (CLIMB II Study)
The investigators propose a randomized controlled trial comparing BP and roux limb lengths measuring 30 and 15% respectively of patient's total small bowel length versus current standard practice using fixed lengths.
- Trial name
- CLIMBII (NCT06293703)
- Testing
- Surgery
- Where
- United States
- Volunteers
- 262 people
- Sponsor
- Salvador Navarrete
Morbid Obesity, Postoperative Pain
Patients-Controlled Epidural Analgesia After Gastric Bypass for Morbid Obesity Using Morphine-Levobupivacaine Regimens
Adequate postoperative analgesia can facilitate recovery following gastric bypass surgery for morbid obesity. The efficacy and safety of intravenous patient - controlled analgesia has been studied, but up to date no data are…
- Conditions
- Morbid Obesity, Postoperative Pain, Postoperative Bowel Function, Postoperative Ambulation
- Trial name
- NCT01249872
- Testing
- GROUP A : 0 mg MORPHINE-0.1% LEVOBUPIVACAINE, GROUP B : 1 mg MORPHINE- 0.1% LEVOBUPIVACAINE, GROUP C : 2 mg MORPHINE-0.1% LEVOBUPIVACAINE
- Where
- Greece
- Volunteers
- 96 people
- Sponsor
- University of Patras
Obesity, Morbid, Type2 Diabetes
The Endocrine Secretome After Gastric Bypass Surgery
Examination of the molecular phenotype and composition of endocrine cells in the gastrointestinal tract correlated to analyses of blood for hormones/analytes before and after Roux-en-Y gastric bypass surgery in morbidly obese…
- Trial name
- NCT03093298
- Testing
- Enteroscopy with biopsy sampling and mixed meal test
- Volunteers
- 28 people
- Sponsor
- Filip Krag Knop
Obesity, Morbid
Effect of Milk-free Diet on Weight and Irritable Bowel Syndrome in Morbid Obesity
Innlandet Hospital in Gjøvik is a center for patients suffering from morbid obesity in Hedmark og Oppland, Norway. Patients with either BMI > 40 kg/m2 or with BMI > 35 kg/m2 and complications who opt for "gastric bypass" surgery…
- Trial name
- NCT01686919
- Testing
- milk-free
- Sponsor
- Norwegian University of Science and Technology
Obesity
RCT Comparing OAGB and Long Limb Roux Gastric Bypass
A prospective multicenter randomized controlled trial to compare the outcomes of one-anastomosis gastric bypass to long biliary limb Roux gastric bypass.
- Trial name
- OAGBvsLLbypass (NCT04812132)
- Testing
- One-anastomosis gastric bypass, Long biliary limb Roux gastric bypass
- Where
- Estonia
- Volunteers
- 500 people
- Sponsor
- Tartu University Hospital
Postoperative Complications, Gastric Bypass
Perioperative Nutrition in Gastric Bypass Surgery
The aim of this study is to demonstrate the influence of peri-operative nutrition on the preservation of lean body mass after gastric bypass, as well as it's influence on postoperative complications.
- Trial name
- NCT00549237
- Testing
- Glucose load (Nutricia), Post operative early enteral feeding
- Where
- Switzerland
- Volunteers
- 200 people
- Sponsor
- University Hospital, Geneva
Obesity, Weight Loss
Use of MCT Oil for Enhancement of Weight Loss in Obese Patients
Twelve obese patients approved for gastric bypass surgery will be randomized to either receive an MCT-based or LCT-based liquid diet for a 4 week period. These diets will be identical except for the quality of the fat.
- Trial name
- NCT00207272
- Testing
- 1170-1870 kcal/day liquid diet, Gastric bypass surgery, Biopsy.visceral adipose tissue
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Boston Medical Center
Obesity, Osteoarthritis
Symptomatic, Biomechanical and Radiographic Outcomes in Knee Osteoarthritis Following Gastric Bypass Surgery
Weight is a risk factor for knee osteoarthritis Knee osteoarthritis is associated with abnormal gait biomechanics Gait biomechanics are evaluated in gastric bypass patients before and after losing 100 pounds.
- Trial name
- NCT00194051
- Testing
- gastric bypass surgery
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- University Hospitals Cleveland Medical Center
Gastric Bypass, Blind Loop Syndrome
Small Intestinal Bacterial Overgrowth Obese
The objective of this research is to determine the incidence of microbial overgrowth of the small intestine before and after a gastric bypass.
- Conditions
- Gastric Bypass, Blind Loop Syndrome, Bacterial Overgrowth Syndrome, Chromatography, Gas
- Trial name
- SIBOB (NCT02819037)
- Testing
- gas chromatography, Stool analysis for detection of malabsorption
- Where
- 2 sites in France
- Volunteers
- 51 people
- Sponsor
- Lille Catholic University
Obesity (BMI>30), Obesity (BMI > 35)
FABP4 Response After Roux-en-Y Gastric Bypass
This retrospective observational cohort study examined serum fatty acid-binding protein 4 (FABP4) dynamics in 28 adults who underwent Roux-en-Y gastric bypass (RYGB), followed at baseline, 3 months, and 6 months.
- Conditions
- Obesity (BMI>30), Obesity (BMI > 35), Insulin Resistance, Bariatric Surgery
- Trial name
- FABP4-RYGB (NCT07774208)
- Volunteers
- 28 people
- Sponsor
- Istanbul University
Morbid Obesity
Stool Analysis After Sleeve Gastrectomy vs Gastric Bypass
The goal of this observational study is to learn whether routine stool tests can detect changes in gut function 6 months after two common types of weight loss surgery: sleeve gastrectomy and gastric bypass (including mini gastric…
- Trial name
- NCT07461610
- Testing
- Laparoscopic Sleeve Gastrectomy, Mini Gastric Bypass, Roux-en-Y Gastric Bypass
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Cairo University
Obesity
Bariatric Surgery: Microbiome & Diabetes
This study is a prospective cohort study, following 80 morbidly obese patients undergoing bariatric surgery, specifically Roux-en-Y gastric bypass (RYGB).
- Trial name
- NCT03723486
- Where
- Canada
- Volunteers
- 120 people
- Sponsor
- University Health Network, Toronto
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, Outpatient Surgery
The Same-Day and One Day Gastric Bypass by Use the "FundoRing" Method (Same-Day_FundoRing Trial)
Outpatient surgery means that patient have surgery and often go home the same day. Safety and utilization outcomes were similar between outpatient and inpatient bariatric surgery, and outpatient was associated with shorter…
- Conditions
- Obesity, Outpatient Surgery, Same-Day Surgery
- Trial name
- NCT07189416
- Testing
- Laparoscopic One Anastomosis Gastric Bypass by Use the "FundoRing" method with Enhanced Recovery Protocol and Remote Monitoring in Ambulatory Surgery Center with Integrated Apartments
- Where
- Kazakhstan
- Volunteers
- 200 people
- Sponsor
- The Society of Bariatric and Metabolic Surgeons of Kazakhstan
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
Type 2 Diabetes Mellitus, Obesity
Silastic Ring Gastric Bypass Versus Sleeve Gastrectomy for Type 2 Diabetes Mellitus in Obese Patients
Type 2 diabetes (T2DM) and obesity are becoming increasingly common in New Zealand (NZ) and worldwide. Both are associated with a risk of early mortality (death).
- Trial name
- NCT01486680
- Testing
- Laparoscopic Silastic Ring Roux-en-Y Gastric Bypass, Laparoscopic Sleeve gastrectomy
- Where
- 2 sites in New Zealand
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- North Shore Hospital, New Zealand
Morbid Obesity
Gut Hormones After Roux-en-Y Gastric Bypass (RYGBP) Plus Gastric Fundus Resection
Laparoscopic Roux-en-Y gastric bypass (LRYGBP) is considered a combination of restriction-malabsorption procedure and one of the most common operative procedures implemented.
- Trial name
- NCT01341028
- Testing
- Roux-en-Y gastric bypass (LRYGBP), LRYGBP+gastric fundus resection
- Where
- Greece
- Volunteers
- 24 people
- Sponsor
- University of Patras
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