Clinical trial · Interventional
Effect of Enhanced Interactive Text Messages and Phone Instruction on the Quality of Bowel Preparation for Colonoscopy.
Effect of Enhanced Interactive Text Messages and Phone Instruction on the Quality of Bowel Preparation for Colonoscopy: a Randomised Controlled Trial.
NCT04898426CI-TRIAL-00053295unknownN/AClinicalTrials.gov clinicaltrialsProvenance
- 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)
Efficacy Evaluation of Enhanced Bowel Preparation Instructions in Elective Colonoscopy.
Conditions
Conditions (2)
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 Neoplasm | Colon Neoplasm | ONTOLOGY_EXACT | 0.98 |
| Colon Polyp | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Enhanced bowel preparation instruction | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- NO_INTERVENTION
- label
- Standard Bowel Preparation Instruction
- description
- Patients receive the standard-of-care bowel preparation instruction.
- type
- EXPERIMENTAL
- label
- Enhanced Bowel Preparation Instruction
- description
- Patients receive enhanced instructions (SMS, phone call, info website) in addition to the standard-of-care bowel preparation instruction.
- interventionNames
- Other: Enhanced bowel preparation instruction
Primary outcomes (1)
- measure
- Bowel preparation quality
- timeFrame
- Bowel preparation quality is scored once for each patient at the time of colonoscopy completion. We expect to conduct this score in 500 patients over the study period of approximately 12 months.
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Elective colonoscopy booking at Griffith Base Hospital. Exclusion Criteria: * Emergency colonoscopy * Patients who are unable to understand bowel preparation instructions in the following languages: English, Italian, Punjabi, Gujarati, Samoan, Mandarin.
References
Publications (12)
- BACKGROUNDRex DK, Imperiale TF, Latinovich DR, Bratcher LL. Impact of bowel preparation on efficiency and cost of colonoscopy. Am J Gastroenterol. 2002 Jul;97(7):1696-700. doi: 10.1111/j.1572-0241.2002.05827.x. PMID 12135020
- BACKGROUNDChokshi RV, Hovis CE, Hollander T, Early DS, Wang JS. Prevalence of missed adenomas in patients with inadequate bowel preparation on screening colonoscopy. Gastrointest Endosc. 2012 Jun;75(6):1197-203. doi: 10.1016/j.gie.2012.01.005. Epub 2012 Feb 28. PMID 22381531
- BACKGROUNDFroehlich F, Wietlisbach V, Gonvers JJ, Burnand B, Vader JP. Impact of colonic cleansing on quality and diagnostic yield of colonoscopy: the European Panel of Appropriateness of Gastrointestinal Endoscopy European multicenter study. Gastrointest Endosc. 2005 Mar;61(3):378-84. doi: 10.1016/s0016-5107(04)02776-2. PMID 15758907
- BACKGROUNDHarewood GC, Sharma VK, de Garmo P. Impact of colonoscopy preparation quality on detection of suspected colonic neoplasia. Gastrointest Endosc. 2003 Jul;58(1):76-9. doi: 10.1067/mge.2003.294. PMID 12838225
- BACKGROUNDGuo X, Yang Z, Zhao L, Leung F, Luo H, Kang X, Li X, Jia H, Yang S, Tao Q, Pan Y, Guo X. Enhanced instructions improve the quality of bowel preparation for colonoscopy: a meta-analysis of randomized controlled trials. Gastrointest Endosc. 2017 Jan;85(1):90-97.e6. doi: 10.1016/j.gie.2016.05.012. Epub 2016 May 14. PMID 27189659
- BACKGROUNDKang X, Zhao L, Leung F, Luo H, Wang L, Wu J, Guo X, Wang X, Zhang L, Hui N, Tao Q, Jia H, Liu Z, Chen Z, Liu J, Wu K, Fan D, Pan Y, Guo X. Delivery of Instructions via Mobile Social Media App Increases Quality of Bowel Preparation. Clin Gastroenterol Hepatol. 2016 Mar;14(3):429-435.e3. doi: 10.1016/j.cgh.2015.09.038. Epub 2015 Oct 20. PMID 26492848
- BACKGROUNDLiu X, Luo H, Zhang L, Leung FW, Liu Z, Wang X, Huang R, Hui N, Wu K, Fan D, Pan Y, Guo X. Telephone-based re-education on the day before colonoscopy improves the quality of bowel preparation and the polyp detection rate: a prospective, colonoscopist-blinded, randomised, controlled study. Gut. 2014 Jan;63(1):125-30. doi: 10.1136/gutjnl-2012-304292. Epub 2013 Mar 16.