# Quality Control of CE-Certified Phonak Hearing Aids - 2019_34

> **NCT04187781** · NA · COMPLETED · sponsor: **Sonova AG** · enrollment: 13 (actual)

## Conditions studied

- Hearing Loss

## Interventions

- **DEVICE:** external microphone

## Key facts

- **NCT ID:** NCT04187781
- **Lead sponsor:** Sonova AG
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-11-11
- **Primary completion:** 2020-01-17
- **Final completion:** 2020-01-17
- **Target enrollment:** 13 (ACTUAL)
- **Last updated:** 2020-03-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04187781

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04187781, "Quality Control of CE-Certified Phonak Hearing Aids - 2019_34". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT04187781. Licensed CC0.

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