# The Factors Affecting ADR of Screening Colonoscopy

> **NCT04397120** · — · COMPLETED · sponsor: **The First Affiliated Hospital of Zhejiang Chinese Medical University** · enrollment: 13495 (actual)

## Conditions studied

- Adenoma Detection Rate
- Colonoscopy

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04397120
- **Lead sponsor:** The First Affiliated Hospital of Zhejiang Chinese Medical University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2019-01-01
- **Primary completion:** 2019-12-31
- **Final completion:** 2020-04-30
- **Target enrollment:** 13495 (ACTUAL)
- **Last updated:** 2020-05-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04397120

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04397120, "The Factors Affecting ADR of Screening Colonoscopy". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04397120. Licensed CC0.

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