Clinical trial · Interventional
A Repeated Instruction by Telephone on the Day Before Colonoscopy to Patients Undergoing Colonoscopy
A Repeated Instruction by Telephone on the Day Before Colonoscopy Improves the Quality of Bowel Preparation and Colonoscopy Procedure : a Prospective Randomized, Controlled Trial
NCT01584817CI-TRIAL-00012801completedN/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)
Cell phone retell the instruction of bowel preparation on the day before colonoscopy would help patient to prepare for colonoscopy and improve the quality of the bowel preparation.
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 |
|---|---|---|---|
| Adenoma | Adenoma | ONTOLOGY_EXACT | 0.98 |
| Ottawa Score | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| telephone education | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- NO_INTERVENTION
- label
- normal education
- description
- patients in this arm was educated about bowel preparation on the day of reservation by nurse for 15 minutes and meanwhile a booklet was also sent to them.
- type
- OTHER
- label
- telephone education
- description
- A repeated instruction by telephone on the day before colonoscopy was conducted
- interventionNames
- Other: telephone education
Primary outcomes (1)
- measure
- Adequate bowel preparation quality at the time of colonoscopy defined by Ottawa score<6
- timeFrame
- up to 3 months
- description
- Ottawa score：A)cleanliness of each part of the colon: 0=excellent 1=good 2=fair 3=poor 4=inadequate B)fluid in whole colon: small=0 moderate=1 large=2 The bowel preparation was considered inadequate if (1) inadequate visualization on colonoscopy defined by Ottawa score≥6; (2) the colonoscopy was cancelled because of poor bowel preparation or personal reasons; (3) incomplete colonoscopy.
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 75 Years
Show eligibility criteria text
Inclusion Criteria: * patients undergoing colonoscopy Exclusion Criteria: * disturbance of water and electrolyte * history of colorectal surgery * severe colonic stricture or obstructing tumor * known or suspected bowel obstruction or perforation * toxic colitis or megacolon * dysphagia * compromised swallowing reflex or mental status * significant gastroparesis or gastric outlet obstruction or ileus * severe chronic renal failure (creatinine clearance \<30 mL/minute) * severe congestive heart failure (New York Heart Association class III or IV) * uncontrolled hypertension (average systolic blood pressure \>170 mm Hg, average diastolic blood pressure \>100 mm Hg) * pregnant or lactating women * patients who cannot give informed consent
References
Publications (1)
- DERIVEDLiu 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. PMID 23503044