References Study design Ethanol % Outcome Adverse events Gan et al. 2005 [55 ] Prospective single-center 25 5 to 80 23 patients with complete 6 month follow-up: complete resolution ( ), partial resolution ( ), persistent cyst ( ), surgical resection ( ). Died of myocardial infarction 6 months after procedure ( ). DeWitt et al. 2009 [56 ] Prospective multicenter RCT 58 80 Single session ethanol lavage ( ) resulted in greater size pancreas cyst reduction (24%) compared to saline lavage (15%) ( ). 6/18 (33%) complete cyst resolution with ethanol lavage on follow-up CT imaging. Abdominal pain ( ), acute pancreatitis ( ), major complications ( ). Dimaio et al. 2011 [57 ] Retrospective single-center 13 80 Mean max cyst diameter at baseline (20.1 ± 7.1 mm) decreased to 17.0 ± 9.8 mm ( ) after single ethanol lavage and to 12.8 ± 9.6 mm after two ethanol lavage sessions ( ) Complete cyst resolution: after single session (0/13), after two sessions (5/13; 38%). Minor abdominal pain after ethanol lavage ( ). Oh et al. 2008 [59 ] Prospective single-center 14 99% ethanol and 3 mg/mL paclitaxel (EUS-EPI) Median original volume 3.81 (range 1.2–68 mL) decreased to 0.11 (range 0–35 mL) Complete cyst resolution ( ), partial resolution ( ), persistent ( ) at median 9 month follow-up. Elevated serum amylase ( ) Mild pancreatitis ( ) Mild abdominal pain ( ). Oh et al. 2011 [60 ] Prospective single-center 52 EUS-EPI 85.8% reduction in cyst volume after EUS-EPI at 12 month follow-up. Complete resolution ( ), partial resolution ( ), persistent cyst ( ).