# Comparison of Methods to Distend the Colon During Insertion: CO2, Air Insufflation, Water-aided Colonoscopy

> **NCT01954862** · NA · COMPLETED · sponsor: **Presidio Ospedaliero Santa Barbara** · enrollment: 624 (actual)

## Conditions studied

- Pain
- Colorectal Adenomas
- Colorectal Cancer

## Interventions

- **OTHER:** Air Insufflation method.
- **OTHER:** CO2 insufflation
- **OTHER:** Water Immersion/CO2
- **OTHER:** Water Exchange/CO2
- **OTHER:** Water Immersion/AI
- **OTHER:** Water Exchange/AI

## Key facts

- **NCT ID:** NCT01954862
- **Lead sponsor:** Presidio Ospedaliero Santa Barbara
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2013-10
- **Primary completion:** 2014-06
- **Final completion:** 2014-07
- **Target enrollment:** 624 (ACTUAL)
- **Last updated:** 2014-07-31


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01954862

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01954862, "Comparison of Methods to Distend the Colon During Insertion: CO2, Air Insufflation, Water-aided Colonoscopy". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT01954862. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*