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Analysis of electrocochleographic signals during speed-controlled cochle-ar implant electrode array insertion in a non-randomized controlled trial

Analysis of electrocochleographic signals during speed-controlled cochle-ar implant electrode array insertion in a non-randomized controlled trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00036156
Enrollment
30
Registered
2025-02-18
Start date
2025-05-05
Completion date
Unknown
Last updated
2026-06-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

H90

Interventions

Group 1: Patients with indication for cochlear implantation after the standardized assessment and planned surgery. Study Procedures: Before CI surgery: - Inclusion of patient in CI therapy program (St
During CI electrode array insertion: - The iotaSOFT ™ Insertion System will be used to insert the CI electrode array into the cochlea. During insertion, ECochG recordings will be conducted multiple ti

Sponsors

Universititätsspital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 84 Years

Inclusion criteria

Inclusion criteria: - signed written informed consent - Indication for cochlear implantation is given after the standardized assessment of the CI center at the University Hospital of Zurich - Surgery with a standard clinical CI system such as Advanced Bionics HiFocus SlimJ, Cochlear Slim Straight or MED-EL Flex 24 & 28

Exclusion criteria

Exclusion criteria: - Vulnerable subjects - Inability to follow the procedures of the investigation, e.g. due to language problems, psychological disorders or dementia of the subject - Craniofacial abnormalities, temporal squamosal skull thickness less than 3mm, major cochlear lesions (e.g. fibrosis, fracture, or ossification), or cochlear malformations - Known or suspected non-compliance, drug or alcohol abuse - Participation in another investigation with an investigational drug or another MD within the 30 days preceding and during the present investigation - Previous enrolment into the current investigation on the same ear side (re-implantation) - Enrolment of the PI, his/her family members, employees and other dependent persons

Design outcomes

Primary

MeasureTime frame
1) Correlation of changes in intra- and extracochlear ECochG signals during insertion of the CI electrode array into the cochlea, and 2) their correlation with acoustic hearing thresholds.

Secondary

MeasureTime frame
1) Correlation between ECochG patterns during robotic and manual CI electrode insertion, 2) correlation between clinical routine data recordings and ECochG patterns.

Countries

Switzerland

Contacts

Public ContactAlexander Huber

Universitätsspital Zürich

orl.research@usz.ch+41 44 255 59 00

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 11, 2026