Comparison of Efficacy of Low-Volume Bowel Cleansers Prior to Colonoscopy: a Randomised, Prospective, Open-Label Trial.

INTRODUCTION:The aim of the study was to compare the efficacy and tolerability of polyethylene glycol/ascorbic acid (PEGA), sodium picosulfate/magnesium citrate (SPMC) and the oral sulfate formula (SIR) in a single- or split-dose regimen for bowel preparation prior to colonoscopy.METHODS:Randomised, multicentre, open-label study. The subjects received either PEGA, SPMC or SIR in the single- or split-dose regimen before the colonoscopy. Quality and tolerability of the preparation and complaints during preparation were recorded using a 5 point scale.RESULTS:558 subject were analysed. Preparation quality was comparable in the single-dose regimen. The rate of satisfactory bowel cleansing (Aronchick score 1+2) was higher for split-dose SIR and PEGA compared to SPMC (95.6%, 86.2% vs. 72.5%, p.