Clinical trial · Interventional
Water Method in Elder Patients With Unsedated Colonoscopy
Water Method With Water Exchange Versus Air Insufflation in Elder Patients Undergoing Unsedated Colonoscopy: a Prospective Randomized, Controlled Trial
- 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)
Water method with water exchange has been shown to reduce medication requirement and pain experienced during colonoscopy. It increases the success rate of cecal intubation in sedated and unsedated patients undergoing screening colonoscopy. Exchange of water during scope insertion minimizes distension of the colonic lumen and decreases loop formation. Exclusion of air from the colon during insertion by omission of air insufflations and suction removal of residual air prevent elongation of the colon. These maneuvers facilitate colonoscopy insertion in average patients and may enhance the success of difficult colonoscopy. Older age is independently associated with incomplete colonoscopy, the investigators postulate that these patients may benefit from using the water method for colonoscopy. In this proposal the investigators test the hypothesis that compared with conventional air insufflations the water method with water exchange significantly enhances the success rate of cecal intubation in elder patients. The aim of the study is to compare the outcome of colonoscopy using the water method versus the conventional air method in elder patients. The primary outcome is cecal intubation success rate. The secondary outcomes include cecal intubation time, maximum pain score during colonoscopy, overall pain score after colonoscopy and adenoma detection rate.
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 |
| Pain | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Water colonoscopy | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- NO_INTERVENTION
- label
- Air colonoscopy
- description
- Colonoscopy will be performed without medications and with judicious air insufflation during colonoscope insertion.
- type
- OTHER
- label
- Water colonoscopy
- description
- Colonoscopy will be performed without medications and aided by water infusion in-lieu of air insufflation during insertion of the colonoscope.
- interventionNames
- Other: Water colonoscopy
Primary outcomes (1)
- measure
- Cecal intubation success rate
- timeFrame
- up to two years
- description
- Insertion of a colonoscope to the cecum
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 70 Years
- Maximum age
- 80 Years
Show eligibility criteria text
Inclusion Criteria: * Patients over the age of 70 Exclusion Criteria: * History of colorectal surgery * Severe colonic stricture or obstructing tumor * Patients who cannot give informed consent and those who are hemodynamically unstable
References
Publications (0)
Data not yet available