NCT06301568

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
55

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jan 2024

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 22, 2024

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

March 4, 2024

Completed
4 days until next milestone

First Posted

Study publicly available on registry

March 8, 2024

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2024

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 2, 2024

Completed
1.4 years until next milestone

Results Posted

Study results publicly available

April 14, 2026

Completed
Last Updated

April 14, 2026

Status Verified

February 1, 2026

Enrollment Period

7 months

First QC Date

March 4, 2024

Results QC Date

August 29, 2025

Last Update Submit

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

Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

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

Location

MeSH Terms

Conditions

Hearing Loss, Sensorineural

Condition Hierarchy (Ancestors)

Hearing LossHearing DisordersEar DiseasesOtorhinolaryngologic DiseasesSensation DisordersNeurologic ManifestationsNervous System DiseasesSigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Caroline-Marie Delattre
Organization
Advanced Bionics

Study Officials

  • Andreas Büchner

    Hannover Medical School

    PRINCIPAL INVESTIGATOR

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

Locations