Central Auditory Processing and the Use of Hearing Aids

NCT ID: NCT01897181

Last Updated: 2016-02-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

27 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-07-31

Study Completion Date

2015-12-31

Brief Summary

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The purpose of this study is to evaluate the central auditory processing in patients with bilateral sensorineural hearing loss and to observe the change of the central auditory processing ability after using hearing aids.

Detailed Description

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Screening for recruiting

* Among patients who are visiting for hearing disturbance, patients with bilateral sensorineural hearing loss will be included after audiologic tests, history taking and physical examination.
* audiologic tests: pure tone audiometry, speech audiometry, impedence audiometry, distortion product otoacoustic emission, auditory brainstem response.

Dividing into "Hearing aids" group and "No hearing aids" group

* The use of hearing aids will be recommended to all included patients.
* Hearing aids group: patients who want to be prescribed hearing aids (28 subjects)
* No hearing aids group: patients who do not want to be prescribed hearing aids (28 subjects)

Audiologic test

* Hearing in noise test (HINT), central auditory processing disorder test
* at screening, 1, 3, 6, 9 and 12 months after starting hearing aids use

Conditions

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Auditory Processing Disorder, Central

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Hearing aids

Patients who agree to use hearing aids

Group Type ACTIVE_COMPARATOR

Hearing aids

Intervention Type DEVICE

Using hearing aids for 12 months

No hearing aids

Patients who did not agree to use hearing aids

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Hearing aids

Using hearing aids for 12 months

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Adults of age 45 years of older
* Bilateral sensorineural hearing loss
* Average pure tone audiometry threshold \>= 40dB
* Speech discrimination \>= 60% in both ears

Exclusion Criteria

* Refusing the study
* Medical history of any brain damage or intracranial surgery
* Showing signs of central lesion in MRI or neurologic exams
* Speech discrimination \< 60% in any ear
Minimum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Jong Woo Chung

OTHER

Sponsor Role lead

Responsible Party

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Jong Woo Chung

MD

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Jong Woo Chung, MD

Role: STUDY_CHAIR

Asan Medical Center

Locations

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Asan Medical Center

Seoul, , South Korea

Site Status

Countries

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South Korea

Other Identifiers

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AMC-2013-0455

Identifier Type: -

Identifier Source: org_study_id

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