Status:
COMPLETED
Real-World Benefit From Directional Hearing Aids
Lead Sponsor:
Vanderbilt University
Collaborating Sponsors:
VA Office of Research and Development
Conditions:
Hearing Loss
Eligibility:
All Genders
Phase:
NA
Brief Summary
Directional microphone hearing aids have been shown to provide benefit for individuals with hearing loss in a number of laboratory experiments. However, few studies have investigated the real-world, s...
Detailed Description
Subjects- 105 subjects were recruited for participation in this study, thirty-five in each of three hearing loss groups. Subjects were assigned to the three groups according to the severity of their h...
Eligibility Criteria
Inclusion
- Inclusion Criteria:
- 105 subjects were recruited for participation in this study, thirty-five in each of three hearing loss groups.
- Subjects were assigned to the three groups according to the severity of their hearing losses.
- Group 1 (mild) subjects exhibited normal sloping to moderately severe SNHL, with Pure Tone Averages (PTAs) at 500, 1000, and 2000 Hz of less than 35 dB HL.
- Group 2 (moderate) consisted of subjects with mild sloping to moderately severe SNHL with PTAs of 35 to 50 dB HL.
- Group 3 (severe) subjects exhibited moderately-severe, sloping to severe-profound SNHL, with PTAs of greater than 50.
Exclusion
Key Trial Info
Start Date :
April 1 2001
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
March 1 2004
Estimated Enrollment :
105 Patients enrolled
Trial Details
Trial ID
NCT00438334
Start Date
April 1 2001
End Date
March 1 2004
Last Update
November 22 2016
Active Locations (1)
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1
Department of Veterans Affairs Medical Center
Nashville, Tennessee, United States, 37232