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Gastric Bypass clinical trials

View clinical trials related to Gastric Bypass.

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NCT ID: NCT05640947 Recruiting - Hypoglycemia Clinical Trials

Endoscopic Ultrasound-guided Large Diameter Lumen-apposing Metal Stent Gastro-gastrostomy for Bypass Reversal in Patients With Roux-en-y Gastric Bypass

LABOR
Start date: January 30, 2023
Phase: N/A
Study type: Interventional

The primary objective of this open-label pilot study is to investigate whether an endoscopically placed lumen apposing metal stent is an effective alternative to surgery in patients that have a clear indication for reversal of their gastric bypass.

NCT ID: NCT04832282 Recruiting - Gastric Bypass Clinical Trials

Napoleon Measurement of Gastrojejunal Anastomosis

Start date: June 14, 2021
Phase: Early Phase 1
Study type: Interventional

This is a clinical trial assessing the feasibility of the Napoleon device for measuring the gastrojejunal anastomosis (GJA). The study population is Roux-en-Y gastric bypass (RYGB) patients with weight regain undergoing an endoscopy at Bellevue Hospital Center or Brigham and Women's Hospital. investigators aim for a sample size of up to 100 cases. For each case, endoscopists will first visually estimate the diameter of the GJA by comparing its size to the upper endoscope. Then, they will measure the GJA with Napoleon. Investigators will compare the GJA measurements performed using visual estimation and Napoleon. A survey will be given to all endoscopists to assess the level of ease using Napoleon.

NCT ID: NCT02823665 Recruiting - Gastric Bypass Clinical Trials

The Effects of Bariatric Surgeries on Glucose Metabolism

Start date: July 2015
Phase: Early Phase 1
Study type: Interventional

The purpose of this study is learn the effect of gastric bypass surgery and sleeve gastrectomy on glucose metabolism mediated by neural and hormonal factors initiated after eating.

NCT ID: NCT02118844 Recruiting - Morbid Obesity Clinical Trials

Laparoscopic Bariatric Surgery: Impact of Deep Neuromuscular Block on Surgical Conditions

BaChiBloPro1
Start date: July 2014
Phase: Phase 4
Study type: Interventional

The purpose of this study is to determine whether deep neuromuscular blockade compared to moderate neuromuscular blockade may improve the surgical conditions in patients undergoing laparoscopic bariatric surgery.

NCT ID: NCT01559792 Recruiting - Gastric Bypass Clinical Trials

Band to Bypass - Metabolism Kinetics in Gastric Bypass and Banding

Start date: December 2011
Phase: N/A
Study type: Observational

The investigators want to study the changes in secretion of gastrointestinal hormones, absorption and metabolism of food and liquids before and after gastric bypass and in patients who are gastric banded but are getting conversion to a gastric bypass. All patients are with normal glucose tolerance. The investigators hypothesis that food uptake/absorption of food is faster after gastric bypass and the secretion of gastrointestinal hormones change.