Retrospective Analysis of Long-term Speech Performance in Cochlear Implant Recipients Using Electro-acoustic Stimulation
1 other identifier
observational
55
1 country
1
Brief Summary
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Jan 2024
Shorter than P25 for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 22, 2024
CompletedFirst Submitted
Initial submission to the registry
March 4, 2024
CompletedFirst Posted
Study publicly available on registry
March 8, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
December 2, 2024
CompletedResults Posted
Study results publicly available
April 14, 2026
CompletedApril 14, 2026
February 1, 2026
7 months
March 4, 2024
August 29, 2025
April 2, 2026
Conditions
Outcome Measures
Primary Outcomes (1)
Freiburger Monosyllabic Word Recognition Score in Quiet
Percent correct in the Freiburger Monosyllabic Word test
The Freiburger monosyllabic word test is performed 12 months after device activation
Secondary Outcomes (1)
Hochmair-Desoyer Schultz and Moser (HSM) Sentence Score or Oldenburger Sentence Test (OlSa) Recognition Score in Quiet
The test (HSM or OlSa) is performed 12 months after device activation
Eligibility Criteria
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)
You may qualify if:
- 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.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Medizinische Hochschule Hannover
Hanover, D-30625, Germany
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Caroline-Marie Delattre
- Organization
- Advanced Bionics
Study Officials
- PRINCIPAL INVESTIGATOR
Andreas Büchner
Hannover Medical School
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- LTE60
- Restrictive Agreement
- Yes
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 4, 2024
First Posted
March 8, 2024
Study Start
January 22, 2024
Primary Completion
September 1, 2024
Study Completion
December 2, 2024
Last Updated
April 14, 2026
Results First Posted
April 14, 2026
Record last verified: 2026-02