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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06100393
Other study ID # AI5842
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date February 22, 2024
Est. completion date October 31, 2026

Study information

Verified date May 2024
Source Cochlear
Contact Amanda Fullerton
Phone +61 477958930
Email afullerton@cochlear.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this clinical investigation is to develop pre-processing strategies to enhance speech and reduce noise for CI listeners. The Master Umbrella Clinical Investigation will be comprised of several sub-investigations, which will aim to optimize speech enhancement algorithms, to improve real-world functionality, and to incorporate them efficiently into CI speech processors.


Description:

This is a feasibility, prospective, multi-center, single-subject, repeated-measures clinical investigation in experienced adult cochlear implant users. The Master Umbrella design will enable the execution of a series of sub-investigations in the same user population, with the goal to evaluate a range of speech enhancement pre-processing algorithms in separate sub-investigations. The primary objectives for each sub-investigation will be consistent with the master umbrella investigation, with secondary and exploratory objectives selected based on the algorithm to be investigated. Secondary and exploratory objectives will be described in the sub-investigation documentation.


Recruitment information / eligibility

Status Recruiting
Enrollment 150
Est. completion date October 31, 2026
Est. primary completion date October 31, 2026
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - User of an approved Nucleus cochlear implant. - User of the ACE (Advanced Combination Encoder) sound processing strategy. - Aged 18 years or older (no upper age limit). - Able to score 20% or more at +10 dB SNR or have an adaptive Speech Recognition Threshold (SRT) of 12 dB or less CI alone on a sentence in babble test.* - Fluent speaker in the language used to assess speech perception performance, as determined by the investigator. - Willing and able to provide written informed consent. - =3 months post cochlear implant activation Exclusion Criteria: - Unable or unwilling to comply with the requirements of the clinical investigation as determined by the Investigator. - Additional health factors, known to the investigator, that would prevent or restrict participation in the audiological evaluations. - Investigator site personnel directly affiliated with this study and/or the investigator's immediate families; immediate family is defined as a spouse, parent, child, or sibling. - Cochlear employees or employees of Contract Research Organizations or contractors engaged by Cochlear for the purposes of this investigation. - Current participation, or participation in another interventional clinical study/trial in the past 30 days, involving an investigational drug or device (unless the other investigation was/is a Cochlear sponsored investigation and determined by the investigator or Sponsor to not impact this investigation).

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Investigational Pre-Processing Algorithm (Sub A)
The algorithms act upon the digital audio signal received by the microphones and other sensors to enhance speech and attenuate noise prior to encoding the signal for delivery to a cochlear implant via the specified system.
Cochlear Limited standard-of-care pre-processing algorithms
Automatic Gain Control, SNR-NR, Forward Focus
Investigational Pre-Processing Algorithm (Sub B)
Spatial Automation profile

Locations

Country Name City State
Australia Cochlear Melbourne Melbourne Victoria
Australia HEARnet Clinical Studies Melbourne Victoria

Sponsors (1)

Lead Sponsor Collaborator
Cochlear

Country where clinical trial is conducted

Australia, 

Outcome

Type Measure Description Time frame Safety issue
Primary Australian Sentence Test in Noise (AuSTIN) To determine whether the research algorithm provides non-inferior performance to the standard-of-care algorithm for sentences in noise using an adaptive sentence test in noise scores.
Scoring: AuSTIN is scored as a Speech Reception Threshold (SRT), which reflects the volume of speech signal (in decibels, dB) relative to the background noise required for the subject to achieve 50% correct. For example, a score of 2dB SRT means the subject requires the speech to be 2dB louder than the background noise in order to correctly identify 50% of the target sentence.
Range: -30dB to +30dB. Lower scores reflect a better outcome.
1 day - Immediately post-screening
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