# Combined Access Closed Tympanomastoidectomy: Microsurgery Allied to Endoscopy

> **NCT03294421** · NA · UNKNOWN · sponsor: **Hospital de Clinicas de Porto Alegre** · enrollment: 64 (actual)

## Conditions studied

- Cholesteatoma
- Chronic Otitis Media

## Interventions

- **PROCEDURE:** combined access tympanomastoidectomy
- **PROCEDURE:** standard closed tympanomastoidectomy

## Key facts

- **NCT ID:** NCT03294421
- **Lead sponsor:** Hospital de Clinicas de Porto Alegre
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-09-22
- **Primary completion:** 2020-05-07
- **Final completion:** 2020-08-31
- **Target enrollment:** 64 (ACTUAL)
- **Last updated:** 2020-09-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03294421

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03294421, "Combined Access Closed Tympanomastoidectomy: Microsurgery Allied to Endoscopy". Retrieved via AI Analytics 2026-09-08 from https://api.ai-analytics.org/clinical/NCT03294421. Licensed CC0.

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