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Study of Proton Pump Inhibitors (PPI) to Prevent Strictures After Gastric Bypass Surgery - NCT00361985-10021(Clinical Trial 147511)



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City:  New York
State:  
NY
Zip Code: 10021
Conditions: Anastomotic Stricture - Morbid Obesity
Purpose: The purpose of this study is to determine whether suppressing acid production by administration of daily proton pump inhibitors in the early post-operative period will reduce the gastrojejunal anastomosis stricture rate in patients undergoing laparoscopic gastric bypass surgery for morbid obesity.
Study summary: Laparoscopic Roux-en-Y gastric bypass (LYRGB) has been shown to be a safe and effective procedure for the treatment of morbid obesity. However, a common early complication of LYRGB is stricture at the gastrojejunal (GJ) anastomosis, occurring in 4% - 27% of patients, usually within the third post-operative month. This complication usually presents with progressive dysphagia leading to daily vomiting. Endoscopic balloon dilation is the treatment of choice for this complication, and multiple dilations are often required to provide complete resolution. The etiology of GJ anastomotic strictures is unknown and is probably multi-factorial. Some investigators hypothesize that ischemia or non-ischemia-related excessive scar formation is the cause of stricture. The method of construction of the anastomosis as well seems to have an impact, as circular stapled anastomoses may have higher rates of stricture than linear staplers or completely hand-sewn anastomoses. The route of the Roux limb (antecolic vs retrocolic) does not appear to affect this complication. Several investigators have demonstrated little acid production in the gastric bypass pouch. Despite this data, acid secretion has been hypothesized as a predominant factor in the development of GJ stricture. This hypothesis is supported in part by the frequent finding of ulcers at the site of stricture in up to 55% of patients. The purpose of this study is to determine whether suppressing acid production by administration of daily proton pump inhibitors in the early post-operative period will reduce GJ anastomosis stricture rate. PLEASE NOTE: THIS STUDY DOES NOT PROVIDE SURGERY (APPROPRIATE INSURANCE COVERAGE IS REQUIRED).
Criteria: Inclusion Criteria: - Any patient who satisfies the requirements of the Weill-Cornell Weight Loss Surgery program to undergo laparoscopic Roux-en-Y gastric bypass surgery as treatment for morbid obesity. Exclusion Criteria: - Patients with a history of ulcer disease, patients taking chronic acid suppression medicine, and patients taking NSAIDS.
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Data Source: ClinicalTrials.gov
Date Processed: May 10, 2010
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