NCT04929470

Brief Summary

This is a prospective study designed to evaluate the safety and performance of the HiResTM Ultra Cl HiFocusTM SlimJ Electrode and HiResTM Ultra 3D Cl HiFocusTM SlimJ Electrode (Ultra X) under normal conditions of use as it is approved for this device. Participants receive interventions as part of routine medical care.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
37

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jul 2021

Longer than P75 for all trials

Geographic Reach
1 country

3 active sites

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

First Submitted

Initial submission to the registry

June 6, 2021

Completed
12 days until next milestone

First Posted

Study publicly available on registry

June 18, 2021

Completed
18 days until next milestone

Study Start

First participant enrolled

July 6, 2021

Completed
4.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 5, 2026

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 5, 2026

Completed
4 months until next milestone

Results Posted

Study results publicly available

June 12, 2026

Completed
Last Updated

June 12, 2026

Status Verified

September 1, 2025

Enrollment Period

4.6 years

First QC Date

June 6, 2021

Results QC Date

May 18, 2026

Last Update Submit

May 18, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Freiburger Monosyllables Score in Quiet

    score in % correct (scale from 0 to 100% of correct answers)

    6 months

Secondary Outcomes (1)

  • Speech Reception Theshold (SRT) in Noise

    6 months

Interventions

patients receive a cochlear implantation within clinical routine

Eligibility Criteria

Age18 Years+
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

30 adult subjects with valid and useable data

You may qualify if:

  • No previous experience with any auditory implant
  • years of age or older
  • Postlingual onset of severe hearing loss (≥ 4 years of age)
  • Limited benefit from appropriately fitted hearing aids, defined as scoring 60% or less in Freiburger Monosyllabic word test
  • German language proficiency
  • Willingness to participate in all scheduled procedures outlined in the protocol

You may not qualify if:

  • Cochlear malformation or obstruction that would preclude full insertion of electrode array.
  • Presence of additional disabilities that would prevent or interfere with participation in the required study procedures
  • Medical or psychological conditions that contraindicate surgery or impact the ability to manage an implanted device or the study related procedures
  • Evidence of central auditory lesion or compromised auditory nerve
  • Pregnancy at time of surgery.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

HNO-Klinik Düsseldorf

Düsseldorf, Düsseldorf, 40225, Germany

Location

Unfallkrankenhaus Berlin (UKB)

Berlin, State of Berlin, 12683, Germany

Location

Westfälische Wilhelms-Universität Münster

Münster, Germany

Location

MeSH Terms

Conditions

Hearing Loss, Sensorineural

Interventions

Cochlear Implantation

Condition Hierarchy (Ancestors)

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

Intervention Hierarchy (Ancestors)

Otologic Surgical ProceduresOtorhinolaryngologic Surgical ProceduresSurgical Procedures, OperativeProsthesis Implantation

Results Point of Contact

Title
Caroline-Marie DELATTRE
Organization
Advanced Bionics

Study Officials

  • Arneborg Ernst, Prof. Dr.

    Unfallkrankenhaus Berlin

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 6, 2021

First Posted

June 18, 2021

Study Start

July 6, 2021

Primary Completion

February 5, 2026

Study Completion

February 5, 2026

Last Updated

June 12, 2026

Results First Posted

June 12, 2026

Record last verified: 2025-09

Locations