Fig. 1. Illustration of endoscopic bariatric therapies. (A) Intragastric balloon. (B) Endoscopic sleeve gastroplasty. (C) Aspiration therapy. (D) Duodenal-jejunal bypass liner. (E) Duodenal mucosal resurfacing. (F) Incisionless magnetic anastomosis system. (D–F) Adapted from Gong and Kim. Clin Endosc 2018;51:425–429, according to the Creative Commons license.6

Fig. 2. Main mechanism of action of endoscopy sleeve gastrectomy and intragastric balloons. CCK, cholecystokinin; GLP-1, glucagon-like-peptide-1; PYY, peptide YY.

Fig. 3. A working hypothesis of endoscopic bariatric therapy selection based on the mechanism of action and pathophysiology.