Hearing Loss, Sensorineural
Conditions
Brief summary
Phonak Hearing Systems pass through different development and study stages. At an early stage, feasibility studies are conducted to investigate new algorithms, features and functions in an isolated manner. If the benefit is proven, their performance is then investigated regarding interdependency between all available algorithms, features and functions running in parallel in a hearing aid (pivotal/pre-validation studies) and, as a result, they get optimized. Afterwards, and prior to product launch, the Phonak Hearing Systems undergo a final quality control in terms of clinical trials. This is a pre-validation study, investigating optimized algorithms, features and functions. This will be a clinical evaluation which will be conducted mono centric at Sonova AG Headquarters based in Stäfa (Switzerland).
Interventions
DEVICESuccessor of Phonak Audéo B-Direct
The successor of Phonak Audéo B-Direct will be fitted to the participants indivudal hearing loss.
DEVICEPhonak Audéo B-Direct
The Phonak Audéo B-Direct will be fitted to the participants individual hearing loss.
Sponsors
Sonova AG
Study design
Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
SINGLE (Subject)
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* Adult hearing impaired persons (minimum age: 18 years) with at least 3 months experience with hearing aids * Good written and spoken (Swiss) German language skills * Healthy outer ear * Ability to fill in a questionnaire (p/eCRF) conscientiously * Informed Consent as documented by signature
Exclusion criteria
* 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 * Massively limited dexterity * Known psychological problems * Central hearing disorders
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Spontaneous acceptance of the initial pre-calculation (first fit) | One week | The data, serving as primary outcomes are collected in the first study appointment. The spontaneous acceptance of the initial pre-calculation (also called 'first fit') in regard to loudness and sound quality will be assessed with the aid of a systematic interview in lab. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Listening effort in noisy listening environment | One week | The data, serving as secondary outcomes are collected in the second study appointment. The listening effort in noisy listening environments will be assessed under controlled conditions in lab with the aid of the Adaptive Categorial Listening Effort Scaling Test (ACALES). The result shows the listening effort on a scale from 'no effort - extreme effort' at different signal to noise ratios. |
| Speech intelligibility in noisy listening environment | One week | The data, serving as secondary outcomes are collected in the third study appointment. The speech intelligibility in noise will be assessed with the aid of the german Oldenburg sentence test (OLSA) under controlled conditions in lab. The result is the signal to noise ratio in dB (dB SNR). |
Other
| Measure | Time frame | Description |
|---|---|---|
| TV streaming | Three weeks | The data, serving as other outcomes are collected within home trials with the test hearing aids, which take place between the weekly study appointments. The participants will be asked to assess the streamed signals in regard to any disturbing artefacts (e. g. fluctuation of volume or sound quality). In case that the participants experienced such artefacts, they will be asked to rate how bothersome these artefacts were (on a 10-point scale from 'not at all - extremely'). These ratings will be aggregated to arrive at one reported value. |
Countries
Switzerland
Outcome results
None listed