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Table 1 Exclusion criteria

From: Design of the Weight-loss Endoscopy Trial (WET): a multi-center, randomized, controlled trial comparing weight loss in endoscopically implanted duodenal-jejunal bypass liners vs. intragastric balloons vs. a sham procedure

Exclusion criteria

Malignant disease

Peptic ulcer

Type 1 diabetes

Large hiatus hernia

Gastrointestinal diseases

Previous gastric or bariatric surgery or endoscopic procedures (e.g. gastric balloon)

High risk of gastrointestinal bleeding

Symptomatic gallstones

Contraindication for general anaesthesia

Contraindication for devices according to the manufacturer

Contraindication for proton pump inhibitors

Non controlled gastrointestinal reflux disease

Suspected lack of compliance

Drug or alcohol abuse

Pregnant or nursing women

Fertile women without appropriate contraceptive measures while participating in the trial

Participation in other interventional trials

Psychological / mental or other inabilities to

supply required information