Functional Changes in the Stomach and Esophagus After One Anastomosis Gastric Bypass- OAGB

Recruiting now · Not applicable

Conditions studied: Obesity, Morbid, GERD, Ulcer, Gastric

In brief

Evaluation of the functional changes in the stomach and esophagus of patients undergoing One Anastomosis Gastric Bypass (OAGB)

Key facts

Study ID

NCT04422405

Run by

Spital Limmattal Schlieren

People needed

300

Starts

2020-06-01

Expected to finish

2035-05-28

Last updated by the study team

2025-06-06

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• BMI> 35 kg/m2
• 2 years of controlled conservative obesity treatment without weight reduction
• patients should give their consent to participate in the study

You may not qualify if…

• Less than 2 years of conservative obesity treatment
• cancer
• cirrhosis Child-Pough score A
• Crohn's disease
• serious psychiatric disorder, which led to in-hospital treatment in psychiatric clinic in the past two years
• drug consumption
• non-compliance
• hiatal hernia > 4cm
• gastric pouch < 10cm
• Barett esophagus
• erosive esophagitis Grade C or D according to the Los Angeles Classification
• endoscopically proven gastric stricture
• acid exposition time > 6% (Lyon criteria)
• reflux episodes> 80 /24 hours (Lyon criteria)
• insufficient low esophageal sphincter according to manometry findings
• pathological findings in the impedance pH-metry (acid and non-acid reflux)

Where it is running

• Limmattal Hospital — Schlieren, Canton of Zurich, Switzerland (enrolling)

Full record on ClinicalTrials.gov

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