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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03766152
Other study ID # 1757/2018
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date November 1, 2018
Est. completion date December 13, 2019

Study information

Verified date December 2019
Source Medical University of Vienna
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Patients implanted with a Bonebridge will be asked to be part of the study. The study subjects are enrolled into the study according to inclusion criteria.

Patients will be asked to wear an adhesive bone conduction device an adapt to it for 30-60 min. After this time period patients will be asked to use the adhesive device instead of the Bonebridge for 3 weeks. Audiologic Tests and quality of life questionnaires will be assessed at the beginning of the study and at the end of three weeks.


Description:

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Study Design


Intervention

Device:
Adhesive bone conduction hearing aid (ADHEAR - Med El)
Patients are asked to wear an adhesive bone conduction hearing device which is attached to the mastoid with an adhesive adapter

Locations

Country Name City State
Austria MUW, AKH Vienna

Sponsors (1)

Lead Sponsor Collaborator
Dominik Riss

Country where clinical trial is conducted

Austria, 

Outcome

Type Measure Description Time frame Safety issue
Primary Average functional hearing gain The primary endpoint of the study is the average functional hearing gain evaluated by the free field audiometry (at 4 different frequencies) using the bone conduction device compared to the unaided situation. To compare the two hearing devices the following primary endpoint measure will be calculated: ?mean= {(Average functional hearing gain with Bonebridge - Average functional hearing gain with ADHEAR at timepoint T1 (=?1)) + (Average functional hearing gain with Bonebridge - Average functional hearing gain with ADHEAR at timepoint T2 (=?2))} divided by two. Measuring both hearing devices at both timepoints and using the mean difference (?mean) enables adjustment for a possible underlying customization effect. 3 weeks
Secondary AQoL-8D (quality of life) Will be measured by comparing Quality of Life as assessed with AQoL - 8D at the beginning of the study and the end of the study (The result of the AQoL-8D is a number) 3 weeks
Secondary Quality of hearing Quality of hearing as assessed with the SSQ 12 questionnaire will be compared at the beginning of the study to the results after the three weeks with the adhesive device.
The results of the SSQ-12 is a number
3 weeks
Secondary Word recognition score Further secondary outcomes will be assessed by comparing the results of the word recognition test in the aided condition once with the implanted device (Bonebridge) in comparison to the adhesive device (ADHEAR). Word recognition is measured in percent at two different noise levels 3 weeks
Secondary Sentence test Further secondary outcomes will be assessed by comparing the results of the sentence test in the aided condition once with the implanted device (Bonebridge) in comparison to the adhesive device (ADHEAR). Sentence test results are measured as percent at a certain volume level (dB). 3 weeks
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