Clinical trial · Interventional
Colonoscope Passive Bending Function
Evaluation of a Novel Colonoscope Designed for Easier Passage Through Flexures: A Randomised Study
NCT00518349CI-TRIAL-00033109completedN/AResults postedClinicalTrials.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)
A prototype colonoscope with an extra passively bending distal section has been developed by Olympus Japan (ref. publications). The present study (2006-2007) is testing refinements of this function.
Conditions
Conditions (4)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
Interventions
Interventions (2)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| No passive bending function | Device | — | UNRESOLVED |
| Passive bending function | Device | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- ACTIVE_COMPARATOR
- label
- Prototype colonoscope
- description
- Colonoscopy using prototype colonoscope with passive bending function
- interventionNames
- Device: Passive bending function
- type
- PLACEBO_COMPARATOR
- label
- Standard colonoscope
- description
- Colonoscopy using standard colonoscope with no passive bending function
- interventionNames
- Device: No passive bending function
Primary outcomes (1)
- measure
- Patient Assessment of Pain Experienced During Colonoscopy
- timeFrame
- Pain experienced during colonoscopy
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Patients referred for routine outpatients colonoscopy Exclusion Criteria: * Pregnant women * Age below 18 years
References
Publications (2)
- BACKGROUNDHoff G, Moritz V, Bretthauer M, Ludolph T, Huppertz-Hauss G, Paulsen J, Seip B, Sauar J, Kjellevold O, Chengarov L. Colonoscope with a sub-distal hyper-flaccid segment for improved insertion at colonoscopy: a randomized study. Scand J Gastroenterol. 2011 Jan;46(1):104-8. doi: 10.3109/00365521.2010.521891. Epub 2010 Oct 6. PMID 20923378
- RESULTHoff G, Bretthauer M, Huppertz-Hauss G, Sauar J, Paulsen J, Dahler S, Kjellevold O. Evaluation of a novel colonoscope designed for easier passage through flexures: a randomized study. Endoscopy. 2005 Nov;37(11):1123-6. doi: 10.1055/s-2005-870444. PMID 16281143