# Minimal Water Exchange Versus Left Water Exchange in Unsedated Colonoscopy

> **NCT04952142** · NA · COMPLETED · sponsor: **Ningbo No. 1 Hospital** · enrollment: 230 (actual)

## Conditions studied

- Water Exchange Colonoscopy

## Interventions

- **OTHER:** minimal water exchange

## Key facts

- **NCT ID:** NCT04952142
- **Lead sponsor:** Ningbo No. 1 Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-04-22
- **Primary completion:** 2021-09-10
- **Final completion:** 2021-09-30
- **Target enrollment:** 230 (ACTUAL)
- **Last updated:** 2021-11-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04952142

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04952142, "Minimal Water Exchange Versus Left Water Exchange in Unsedated Colonoscopy". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT04952142. Licensed CC0.

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