Evaluation of Frequency Lowering Technique

Phonak

Status: Completed

Conditions: Hearing Loss

Treatments: Device: hearing aid NaidaUP; Device: hearing aid NaidaSP

Study type: Interventional

Funder types: Industry

Identifiers

NCT02303210

012FrL2612901

Details and patient eligibility

About

The purpose of this study is to examine two frequency lowering techniques in case of audibility, recognition, distinction, discriminability and sound quality.

Full description

This is a controlled, single blinded and randomised comparative study which is conducted monocentric at Hoerzentrum Oldenburg, Germany. The focus is to test two frequency lowering techniques with an amount of 30 moderate to severe, symmetrically sensorineural hearing impaired adult subjects. The subjects, all of them native German speakers, individually conduct a number of laboratory standard tests and home trials (questionnaires) during 6 months including seven appointments of 2 hours.

Enrollment: 30 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• female and male adults (>18 years old)
• mild to severe Hearing Loss
• symmetric Hearing Loss
• german native speakers

Exclusion criteria

• persons who are not able to attend multiple appointments
• persons who are not able to handle a hearing aid
• persons with a mental handicap
• persons with limited access to multiple hearing situations
• persons with psychological disease
• no acclimatization to hearing aids

Trial design

Primary purpose: Other

Allocation: Non-Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

---

30 participants in 2 patient groups

hearing aid NaidaUP

Other group

Description:

Within subject design: compare frequency lowering one with frequency lowering two.

Treatment:

Device: hearing aid NaidaUP

hearing aid NaidaSP

Other group

Description:

Within subject design: compare frequency lowering one with frequency lowering two.

Treatment:

Device: hearing aid NaidaSP