Retrospective Analysis of Long-term Speech Performance in Cochlear Implant Recipients Using Electro-acoustic Stimulation

This is a retrospective study designed to collect long-term speech perception results for cochlear implants recipients using electro-acoustic-stimulation as measured in the clinical routine and to confirm the performance of sound processors associated with acoustic earhooks.

Completed

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Key information

Conditions

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

Sex eligibility

All sexes

Study type

Observational

Primary location

Medizinische Hochschule Hannover

Hanover, D-30625, Germany

Who can participate

Healthy volunteers accepted: No

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

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

Treatment and study plan

Primary outcomes

Freiburger Monosyllabic Word Recognition Score in Quiet

Time frame: The Freiburger monosyllabic word test is performed 12 months after device activation

Percent correct in the Freiburger Monosyllabic Word test

Secondary outcomes

Hochmair-Desoyer Schultz and Moser (HSM) Sentence Score or Oldenburger Sentence Test (OlSa) Recognition Score in Quiet

Time frame: The test (HSM or OlSa) is performed 12 months after device activation

Percent correct in either the HSM sentence test or the Oldenburger sentence test (score from 0 to 100%)

Sponsors and collaborators

Lead sponsor

Advanced Bionics AG

Industry

Registry information

Important dates

Study start: 2024
Primary completion: 2024
Study completion: 2024
First posted: Mar 8, 2024
Registry last updated: Apr 14, 2026

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.

Published trials that share one or more normalized conditions with this study.

Completed