Evaluation of Frequency Lowering Technique

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

Completed

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Key information

Conditions

Hearing Loss Ear Diseases Hearing Disorders Nervous System Diseases Neurologic Manifestations Otorhinolaryngologic Diseases Pathological Conditions, Signs and Symptoms Sensation Disorders Signs and Symptoms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Hoerzentrum Oldenburg

Oldenburg, Lower Saxony, 26129, Germany

About this study

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.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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

Treatment and study plan

hearing aid NaidaUP

Device

Standard Power Hearing instruments including different frequency lowering techniques

hearing aid NaidaSP

Device

Standard Power Hearing instruments including different frequency lowering techniques

Primary outcomes

Audibility improvement (Delta of dB SPL thresholds) of high frequency sounds measured with a Phoneme Perception Test.

Time frame: 6 months

Sponsors and collaborators

Lead sponsor

Phonak AG, Switzerland

Industry

Registry information

Important dates

Study start: 2014
Primary completion: 2015
Study completion: 2015
First posted: Nov 27, 2014
Registry last updated: Sep 25, 2017

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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Completed