Clinical trial · Interventional
Efficacy of Morning-only Bowel Preparation for Afternoon Colonoscopy.
A Randomized Endoscopist-blinded Clinical Trial Comparing the Bowel Cleansing Effect and Patient Tolerability of Same Day Polyethylene Glycol Bowel Preparation Regimen v Regimen Given on the Day Before Colonoscopy
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
The study aims to study the adequacy of bowel preparation (colon cleansing) for afternoon colonoscopies. The conventional regimen of giving bowel prep on the evening prior to the day of the colonoscopy will be compared with that given on the morning of an afternoon colonoscopy. Endoscopist scoring the bowel cleansing efficacy with an Ottawa Scale are blinded to the randomization process.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Colon Cancer | Malignant Colon Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Polyethylene Glycol afternoon | Drug | — | UNRESOLVED |
| Polyethylene Glycol morning | Drug | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- ACTIVE_COMPARATOR
- label
- Polythylene Glycol (PEG) in the evening
- description
- Bowel preparation with Polyethylene Glycol given in the evening prior to the day of the afternoon colonoscopy. 'Polyethylene Glycol afternoon'
- interventionNames
- Drug: Polyethylene Glycol afternoon
- type
- EXPERIMENTAL
- label
- Polythylene Glycol (PEG) in the Morning
- description
- Bowel preparation with Polyethylene Glycol given on the morning of the day of the afternoon colonoscopy. 'Polyethylene Glycol morning'
- interventionNames
- Drug: Polyethylene Glycol morning
Primary outcomes (1)
- measure
- Comparing All Morning Bowel Prep to Evening Bowel Prep for Patients Undergoing Afternoon Colonoscopies. (Using Ottawa Scale Scores, Range 0-14) Lower Score Indicates a Better Outcome.
Eligibility
Eligibility (as posted)
- Sex
- All
Show eligibility criteria text
Inclusion Criteria: * All patients attending the GI Clinic at CCF who are prescribed colonoscopy and are willing to get the procedure done in the afternoon. Exclusion Criteria: * Colonoscopy is contraindicated * Prior Colectomy or colon surgery.
References
Publications (1)
- RESULTVarughese S, Kumar AR, George A, Castro FJ. Morning-only one-gallon polyethylene glycol improves bowel cleansing for afternoon colonoscopies: a randomized endoscopist-blinded prospective study. Am J Gastroenterol. 2010 Nov;105(11):2368-74. doi: 10.1038/ajg.2010.271. Epub 2010 Jul 6. PMID 20606677