# 9 Minutes for Colonoscopy Withdrawal

> **NCT03399045** · NA · COMPLETED · sponsor: **Changhai Hospital** · enrollment: 1027 (actual)

## Conditions studied

- Colon Polyps
- Colorectal Adenomas

## Interventions

- **PROCEDURE:** 9-minute withdrawal
- **PROCEDURE:** 6-minute withdrawal

## Key facts

- **NCT ID:** NCT03399045
- **Lead sponsor:** Changhai Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-01-20
- **Primary completion:** 2019-07-01
- **Final completion:** 2019-07-06
- **Target enrollment:** 1027 (ACTUAL)
- **Last updated:** 2020-01-02

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03399045

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03399045, "9 Minutes for Colonoscopy Withdrawal". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT03399045. Licensed CC0.

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