Completed

Quality Control of CE-Certified Phonak Hearing Aids - 2020_43

0 criteria met from your profileSee at a glance how your profile meets each eligibility criteria.
What is being tested

Feature for noise reduction (on)

+ Feature for noise reduction (off)

Device
Who is being recruted

Ear Diseases+6

+ Hearing Disorders

+ Nervous System Diseases

From 18 to 99 Years
+11 Eligibility Criteria
See all eligibility criteria
How is the trial designed

Other Study

Interventional
Study Start: December 2020
See protocol details

Summary

Principal SponsorSonova AG
Last updated: January 28, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: December 7, 2020

Actual date on which the first participant was enrolled.

The study will compare different features of the Phonak behind the ear device activated and deactivated, for example the noise reduction feature. There shall be differences in listening effort, awareness and sound quality shown. The study shall show the advantages especially for people with severe to profound hearing losses. This will be a clinical investigation which will be conducted mono centric at Sonova AG Headquarters based in Stäfa (Switzerland).

Official TitleQuality Control of CE-Certified Phonak Hearing Aids - 2020_43
NCT04723173
Principal SponsorSonova AG
Last updated: January 28, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

10 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Other Study

Some studies explore topics that don't fall into a specific category. These might include innovative research, new technologies, or emerging healthcare areas.

Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

From 18 to 99 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Ear DiseasesHearing DisordersNervous System DiseasesNeurologic ManifestationsOtorhinolaryngologic DiseasesSensation DisordersSigns and SymptomsPathological Conditions, Signs and SymptomsHearing Loss

Criteria

6 inclusion criteria required to participate
Adult hearing impaired persons (minimum age: 18 years, severe to profound Hearing loss)
Good written and spoken (Swiss) German language skills
Healthy outer ear
Ability to fill in a questionnaire (p/eCRF) conscientiously
Show More Criteria
5 exclusion criteria prevent from participating
Contraindications to the MD in this study, e.g. known hypersensitivity or allergy to the investigational product
Limited mobility and not in the position to attend weekly appointments in Stäfa (Switzerland)
Limited ability to describe listening impressions/experiences and the use of the hearing aid
Inability to produce a reliable hearing test result
Show More Criteria

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

2 intervention groups are designated in this study

This study does not include a placebo group 

Treatment Groups

Group I

Experimental
The noise reduction is activated. The feature shall support the hearing aid user in noisy situation and shall reduce the listening effort in these special situations.

Group II

Active Comparator
To compare the advantage of the special noise reduction feature the tests will be done additionally with the deactivated feature.

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Suspended

Sonova AG

Stäfa, SwitzerlandOpen Sonova AG in Google Maps
CompletedOne Study Center