Cochlear implant Users' speech skills tracked over time
NCT ID NCT06301568
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked back at medical records of 55 people who received a specific type of cochlear implant and also use an acoustic earhook. Researchers measured how well they understood words and sentences in quiet settings over the long term. The goal was to confirm how well the sound processor and earhook perform in everyday clinical use.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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55 people
The number who actually took part.
- Started
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Jan 2024
- Finished
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Dec 2024
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
The studied population consists of all CI users implanted with a HiRes Ultra or HiRes Ultra 3D SlimJ between January 2017 and August 2022 and using an acoustic earhook at the Medical University of Hannover in Germany (MHH)
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Being implanted with HiRes Ultra or HiRes Ultra 3D SlimJ * Being a user of the "acoustic earhook" system * Having provided informed consent regarding use of his/her data for research. Exclusion Criteria: * no exclusion criteria
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Medizinische Hochschule Hannover
Hanover, D-30625, Germany
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- New brain wave test could revolutionize hearing loss diagnosis