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Withdrawn Not applicable Interventional Accepts healthy volunteers

Subjective and Objective Performance With the SONNET2EAS

ClinicalTrials.gov ID: NCT04721990

Public ClinicalTrials.gov record NCT04721990. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 5, 2026, 7:20 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Purpose: The purpose of this study is to demonstrate the non-inferiority and new features of an external speech processor for cochlear implant recipients. Participants: This study seeks to enroll 15 cochlear implant recipients listening to previous technology. Procedures (methods): Subjects will be programmed and tested with old and new technology.

Study identification

NCT ID
NCT04721990
Recruitment status
Withdrawn
Study type
Interventional
Phase
Not applicable
Enrollment
Not listed

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 99 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 31, 2021
Primary completion
Mar 31, 2023
Completion
Mar 31, 2023
Last update posted
Aug 17, 2021

2021 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04721990, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 17, 2021 · Synced Sep 5, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04721990 live on ClinicalTrials.gov.

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