Is there a difference in speech recognition in noise and localization outcome using different electrode array designs in single-sided deaf patients?

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00020795

Enrollment

300

Registered

2020-02-13

Start date

2020-02-16

Completion date

Unknown

Last updated

2025-04-07

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

Conditions

H90.4

Interventions

Group 1: Single-sided deaf patients: retrospective data required - cochlear size, insertion depth and insertion angle (measured via clinically performed rotational tomography) as well as speech recogn

Eligibility

Sex/Gender

All

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: - post-lingually deafened - adults (>18 years) - at least one year of CI experience - implanted with following electrodes: Cochlear® (Contour Advanced® electrode CI24RE or CI512), Cochlear® Slim Straight electrode (CI422 and CI522; Cochlear Ltd., Lane Cove, Australia) or MedEl Flex 28® electrode (MedEL, Innsbruck, Austria)

Exclusion criteria

Exclusion criteria: < 18 years, no single-sided deafness, pre- or perilingual deafness, implanted with a different electrode design

Design outcomes

Primary

Measure	Time frame
Investigation of the effects of electrode array design on outcome in speech perception in noise and localization abilities of adult cochlear implant (CI) recipients with single-sided deafness (SSD).	—

Secondary

Measure	Time frame
Investigation of the effects of electrode array design on insertion depths of adult cochlear implant (CI) recipients with single-sided deafness (SSD).	—

Countries

Germany

Contacts

Public ContactIva Speck

HNO-Uniklinik Freiburg

iva.speck@uniklinik-freiburg.de0761/270-42010

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026