Polyethylene Glycol Versus Low Volume Solutions Prior to Colonoscopy

A Head-to-head Comparison of Efficiency and Tolerance of 4-L Polyethylene Glycol and Sodium Picosulphate/ Magnesium Citrate, Polyethylene Glycol/Ascorbate Before Colonoscopy

Study evaluates the efficacy and tolerability of low volume preparations compared with conventional 4L polyethylene glycol prior to colonoscopy

To compare the efficacy and tolerance of standard polyethylene glycol to low volume sodium picosulphate/magnesium citrate and polyethylene glycol/ascorbic acid in a single or split dose regimen for colonoscopy bowel preparation in a head-to-head design.

Inclusion Criteria:

• Subjects referred to diagnostic or therapeutic colonoscopy

Exclusion Criteria:

• ileus
• known or suspected bowel obstruction
• active bowel inflammation
• pregnancy
• any presence of serious medical conditions
• history of prior colonic or rectal surgery
• inability to obtain valid data from subject