Effectiveness of Bisacodyl Suppository Agent for Dose Reduction of Low Dose PEG

Simultaneous Combination of Bisacodyl Suppository Agent and 1L Polyethylene Glycol Plus Ascorbic Acid is Not Inferior and Comfortable Regimen Compared With 2L Polyethylene Glycol Plus Ascorbic Acid: A Randomized Controlled Study

Proper bowel cleansing before colonoscopy is an important factor to increase the detection rate of lesions. Low volume polyethylene glycol (PEG) plus ascorbic (PEG-Asc) has reduced the dosage of previous bowel preparation agent, but it still presents discomfort to patients. The aim of this study was to confirm the efficacy and convenience of volume reduction of PEG-Asc by adding bisacodyl suppository at the same day by compared with conventional 2L PEG-Asc.

Eligibility criteria: outpatients between the ages of 20 and 70 years, who were scheduled for colonoscopy between August 2017 and January 2018

Exclusion criteria: patients with a history of gastrointestinal tract surgery, inflammatory bowel disease, severe active colitis, underlying chronic kidney disease, or pregnancy.

Outcome measures: the Boston Bowel Preparation Scale (BBPS)

Inclusion Criteria:

• outpatients who were scheduled for colonoscopy between August 2017 and January 2018

Exclusion Criteria:

• History of gastrointestinal tract surgery
• History of inflammatory bowel disease
• History of severe active colitis
• History of chronic kidney disease
• pregnant woman.