CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 39 enrolled
Drug / intervention
place-based mapping +1 moreother
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04722042
NCT04722042N/ACompleted
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Place-based Mapping in Electric-acoustic Stimulation Listeners

University of North Carolina, Chapel Hill·interventional·Posted Jan 25, 2021·Updated May 18, 2025

In Brief

A clinical study evaluating place-based mapping and default mapping for Cochlear Implant. Completed, enrolled 39 participants across 1 site.

Detailed Summary

Purpose: Investigate monaural and binaural hearing in electric-acoustic stimulation (EAS) users with place-based versus default maps. Participants: Cochlear implant recipients and normal-hearing listeners Procedures (methods): This is a prospective, longitudinal investigation of the monaural and binaural outcomes (such as speech perception, spatial hearing, and/or subjective benefit) of cochlear implant recipients listening with different programs. The programs will incorporate different patient and device variables to determine the effect on cochlear implant recipient outcomes.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsCochlear Implant
CountriesUnited States
CollaboratorsNational Institute on Deafness and Other Communication Disorders (NIDCD)

Timeline

N/ACompletedFinished
202120222023202420252026
First PostedJan 25, 2021
Enrollment StartFeb 23, 2021
Primary CompletionJul 7, 2024
TodayJul 2, 2026
Enrollment to primary: 3.4 yearsPosted 5.4 years ago

Interventions

place-based mappingother

Adjusting the electric frequency filters to align with the cochlear place frequency

default mappingother

Default frequency filter assignments