Pilot Study of Ondansetron in Improvement of Pediatric Colonoscopy Preparation Outcomes at an Urban Academic Center
Abstract
Objectives: To gather initial data on the effectiveness and tolerability of the addition of Ondansetron to bowel preparation regimens to justify a funded, larger, placebo-controlled study.
Methods: Design, Setting, and Participants:: A total of 41 pediatric and young adult (age 2-22) patients participated in a single center, open label, parallel randomized trial, with simple randomization. All patients were recruited as outpatients, and all procedures occurred as outpatient procedures, with both recruitment and procedures occurring at a low-resource urban academic medical center in Brooklyn.Interventions and Outcome Measures:: The intervention studied was a single dose of oral-dissolving tablet Ondansetron provided before initiation of bowel preparation using a standardized prep of Polyethylene Glycol 3350 and Bisacodyl. There were 2 arms, a study arm using typical preparation (Polyethylene Glycol 3350 and Bisacodyl) and Ondansetron, and a control arm (Polyethylene Glycol 3350 and Bisacodyl). Patients received standard weight-based dosing. The primary outcome measure assessed was the Boston Bowel Preparation Scale (BBPS) to assess efficacy of preparation. Secondary objectives included evaluation of patient satisfaction via a survey answered by each patient. The questionnaire assessed the presence of the following symptoms during bowel prep: abdominal pain, nausea, bloating, vomiting, scale of ease/difficulty, and if the entire bowel prep was completed.
Results: No benefit to…
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Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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