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  • Title: Polyethylene glycol plus ascorbic acid is as effective as sodium picosulfate with magnesium citrate for bowel preparation: A randomized trial.
    Author: Choi HS, Chung JW, Lee JW, Lim MY, Park DK, Kim YJ, Kwon KA, Kim JH.
    Journal: J Dig Dis; 2016 Apr; 17(4):268-73. PubMed ID: 26945825.
    Abstract:
    OBJECTIVE: This study was aimed to evaluate the efficacy and safety of two low-volume agents, polyethylene glycol (PEG)-3350 plus ascorbic acid (PEG + Asc) and sodium picosulfate with magnesium citrate (SPMC), for bowel preparation. METHODS: We performed a prospective, endoscopist-blinded, single-center, randomized controlled trial comparing PEG + Asc with SPMC to evaluate the bowel cleansing efficacy of the two regimens using the modified Ottawa bowel preparation scale (OBPS) and the Aronchick scale. Patients' taste and overall tolerance were assessed with a questionnaire. RESULTS: In total, 200 patients were randomized to receive either PEG + Asc (n = 98) or SPMC (n = 102). Both treatments were similarly efficacious in bowel cleansing, based on the modified OBSP (PEG + Asc 4.01 ± 2.29 vs SPMC 3.86 ± 2.47, P = 0.62) and Aronchick scale (PEG + Asc 1.96 ± 0.70 vs SPMC 1.89 ± 0.70, P = 0.42). Patient-reported taste and tolerance of each regimen, as reported by the questionnaire, were significantly greater in the PEG + Asc group than in the SPMC group (P = 0.01). In terms of adverse events, dizziness was more frequently observed in the PEG + Asc group (P = 0.03), whereas nausea was more common in the SPMC group (P = 0.02). CONCLUSIONS: PEG + Asc and SPMC show similar efficacy for bowel preparation. However, patient's overall tolerance is higher in the PEG + Asc group.
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