# Comparison of Clinical Effect Between Endoscopic and Microscopic Ear Surgery of Cholesteatoma: A Multicenter Retrospective Observational Study

> **NCT05182268** · — · COMPLETED · sponsor: **Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University** · enrollment: 186 (actual)

## Conditions studied

- Endoscopy; Microscopy; Ear Surgery; Cholesteatoma; Clinical Effect

## Interventions

- **PROCEDURE:** endoscopic ear surgery
- **PROCEDURE:** microscopic ear surgery

## Key facts

- **NCT ID:** NCT05182268
- **Lead sponsor:** Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-11-01
- **Primary completion:** 2021-03-30
- **Final completion:** 2021-03-30
- **Target enrollment:** 186 (ACTUAL)
- **Last updated:** 2022-01-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05182268

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05182268, "Comparison of Clinical Effect Between Endoscopic and Microscopic Ear Surgery of Cholesteatoma: A Multicenter Retrospective Observational Study". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05182268. Licensed CC0.

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