Clinical trials: Roux en Y Gastric Bypass
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.
Liver Diseases
Hepatic Effects of Gastric Bypass Surgery
Liver disease in the morbidly obese is thought to occur due to the long-term presence of fat deposits in the liver, resulting in inflammation and scarring of the liver over time, which reduces liver function.
- Trial name
- NCT00701376
- Testing
- liver biopsy
- Where
- United States
- Volunteers
- 106 people
- Sponsor
- The Cleveland Clinic
Obesity, Morbid, Gastric Bypass
Effects of Gastric Bypass Surgery and Calcium Metabolism and the Skeleton
Obesity is a chronic illness of staggering proportions. Because weight loss through diet and exercise is difficult to attain and maintain, there has been escalating interest in bariatric surgery, including Roux-en-Y gastric…
- Trial name
- NCT01330914
- Where
- United States
- Volunteers
- 55 people
- Sponsor
- VA Office of Research and Development
Type 2 Diabetes Mellitus, Obesity
Surgery or Lifestyle With Intensive Medical Management in the Treatment of Type 2 Diabetes
There is substantial clinical evidence regarding the safety and efficacy of currently practiced bariatric surgical techniques to improve metabolic control and/or resolve type 2 diabetes (T2DM) in clinically severe obese patients…
- Trial name
- SLIMM-T2D (NCT01073020)
- Testing
- Allergan Adjustable Gastric Band Surgery, Intensive Medical Diabetes & Weight Management (Why WAIT) - Band Group, Roux-en-Y Gastric Bypass (RYGB) Surgery
- Where
- 2 sites in United States
- Volunteers
- 88 people
- Sponsor
- Joslin Diabetes Center
Hypoglycemia
The Effect of Glucomannan Soluble Fiber on Glucose Homeostasis in Patients With Roux En Y (RNY) Gastric Bypass Surgery
One of the emerging complications of RNY gastric bypass surgery is mild to severe refractory/ recurrent postprandial hypoglycemia. This complication can lead to a significant reduction in quality of life to severe disability.
- Trial name
- NCT02336438
- Testing
- glucomannan
- Volunteers
- 10 people
- Sponsor
- Bassett Healthcare
Iron Deficiency Anemia Secondary to IBD or Gastric Bypass
Treatment Response of Injectafer vs Oral Iron to Baseline Hepcidin Levels in Patients With Iron Deficiency Anemia (IDA) Secondary to Inflammatory Bowel Disease (IBD) or Gastric Bypass
The primary objective of this study is to evaluate the treatment response of Injectafer vs. oral iron to baseline hepcidin levels to determine if any of these select IBD or Gastric Bypass patients may demonstrate to be…
- Trial name
- NCT02086968
- Testing
- Injectafer, Ferrous Sulfate tablets
- Volunteers
- 198 people
- Sponsor
- American Regent, Inc.
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, Bariatrics
Ketamine and Propofol Combination Versus Propofol for Upper Gastrointestinal Endoscopy
Propofol is one of the most popular anesthetic drugs used for sedation during upper gastrointestinal endoscopies due to its quick onset and quick resolution of symptoms allowing patients to leave the hospital sooner.
- Conditions
- Obesity, Bariatrics, Sleep Apnea Syndromes, Gastric Bypass
- Trial name
- NCT02643979
- Testing
- Ketofol, Propofol, Saline
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Icahn School of Medicine at Mount Sinai
Morbid Obesity
Taste Perception Pre and Post Bariatric Surgery
The investigators wish to study the effects of three forms of bariatric surgery, gastric bypass lap banding, and sleeve gastrectomy. The surgery is not part of the clinical trial.
- Trial name
- RBtaste (NCT01536197)
- Testing
- Gastric bypass, Gastric banding, Sleeve gastrectomy
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Washington University School of Medicine
Obesity, Gliosis, Weight-Loss
A Cohort Study of Weight Loss and Gliosis
Patients and clinicians need better options to prevent the weight regain that almost universally follows a weight loss intervention. In lay terms, a new, higher "set point" seems to occur after people gain weight.
- Trial name
- NCT03578887
- Testing
- Behavioral Weight Loss Program, Roux-en-Y Gastric Bypass or Sleeve Gastrectomy
- Where
- United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- University of Washington
Marginal Ulcers
Ulcer Prevention Study in Post Gastric Bypass Patients
This research is to determine which medication, Zegerid (Omeprazole/Sodium Bicarbonate) or Pepcid AC (Famotidine), works best at reducing the chance that a patient will get an ulcer after gastric bypass surgery.
- Trial name
- NCT00557349
- Testing
- Omeprazole, Famotidine
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Missouri-Columbia
Obesity
Incisionless Treatment for Patients With Inadequate Weight Loss Following Roux-en-Y Gastric Bypass
It is estimated that up to 20% of patients who have Roux-en-Y Gastric Bypass (RYGB) surgery will not meet their weight loss goal, or may even regain some of the weight they initially lost.
- Trial name
- NCT00394212
- Testing
- Transoral Suturing
- Where
- 10 sites in United States
- Volunteers
- 77 people
- Sponsor
- C. R. Bard
Morbid Obesity
Clinical and Economic Outcomes in Laparoscopic Sleeve Gastrectomy Versus Roux-en-Y Gastric Bypass Surgery
Study objectives: 1. generate local clinical, health-related quality-of-life and health economic data to evaluate the benefits of two types of minimally invasive weight-loss surgery 2.
- Trial name
- OPTIMIZE (NCT01754194)
- Testing
- Gastric Sleeve Resection, Roux-en-Y Gastric Bypass
- Where
- 18 sites in Germany
- Volunteers
- 293 people
- Sponsor
- Medtronic - MITG
Morbid Obesity
Sonographic Evaluation of Visceral Fat After Bariatric Surgery
Excess visceral fat is a key factor in the development of metabolic syndrome associated with obesity. After bariatric surgery, patients experience weight loss accompanied by a decrease in the amount of total body fat.
- Trial name
- NCT01285791
- Where
- Israel
- Volunteers
- 39 people
- Sponsor
- Hadassah Medical Organization
Post-operative Pain Management
Efficacy of Exparel (TM) on Post-operative Pain After Laparoscopic Gastric Bypass Using Circular EEA Stapler
This will be a comparative study between two cohorts of patients undergoing Roux-en-Y Gastric bypass. One cohort (75 patients) will receive FDA approved Exparel® (liposome bupivacaine injection solution) injections…
- Trial name
- NCT03187379
- Testing
- Exparel, Bupivacaine
- Where
- United States
- Volunteers
- 102 people
- Sponsor
- Matthew Kroh
Pain, Obesity
The Effect of Pre-Operative Transversus Abdominis Plane (TAP) Block in the Post Operative Opioid Consumption in Morbid Obese Patients Undergoing Laparoscopic Gastric Bypass Surgery: A Prospective,Randomized, Blinded Study
The use of preoperative TAP block in laparoscopic bariatric surgery can improve the postoperative pain and quality of recovery in patients undergoing these procedures.
- Conditions
- Pain, Obesity, Surgery
- Trial name
- NCT01075087
- Testing
- (study group) will receive a bilateral TAP block using 20 cc of 0.5% ropivacaine on each side.
- Where
- United States
- Volunteers
- 19 people
- Sponsor
- Northwestern University
Impaired Renal Function
Effects of Obesity Surgery on Renal Function
Increasing risk of impaired renal function as a result of obesity is well known. Early data has postulated that weight loss might improve kidney function, but the evidence is rather limited due to the difficulties in measuring…
- Trial name
- NCT01507350
- Where
- United Kingdom
- Volunteers
- 9 people
- Sponsor
- Imperial College London
Morbid Obesity
Evaluation of Endostapled Anastomoses for Laparoscopic Gastric Bypass (EEA-LGB)
Laparoscopic gastric bypass surgery is a common procedure being performed for the treatment of morbid obesity. The procedure consists of a creation of a small gastric pouch and rerouting the small bowel to bypass the stomach and…
- Trial name
- EEA-LGB (NCT00254072)
- Testing
- 3.5 mm vs 4.8 mm Stapler During Laparoscopic Gastric Bypass
- Where
- 6 sites in United States
- Volunteers
- 355 people
- Sponsor
- University of California, Irvine
Type 2 Diabetes
The Effects of Glycemic Optimization Before Gastric Bypass Surgery
Metabolic surgery such as gastric bypass, gastric banding or sleeve gastrectomy operations can cause rapid and uncontrolled reductions in blood glucose.
- Trial name
- GLUCOSURG2 (NCT01353118)
- Testing
- gastric bypass
- Where
- 2 sites in United Kingdom
- Volunteers
- 41 people
- Sponsor
- Imperial College London
Obesity
Pancreatic Enzymes to Restore Digestive Function in Malnourished Gastric Bypass Patients
Hypothesis: Bypass of the upper GI tract with bariatric surgery results in suppression of pancreatic function resulting in maldigestion and further malabsorption.
- Trial name
- NCT00510744
- Testing
- pancreatic enzyme supplement
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of Pittsburgh