NCT04898673

Brief Summary

The clinical study aims to investigate the speech performance with the CP1110 Sound Processor, compared with the CP1000 Sound Processor, and inclusion of a noise reduction feature in the Automatic Scene Classifier..

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
21

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Oct 2021

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 17, 2021

Completed
7 days until next milestone

First Posted

Study publicly available on registry

May 24, 2021

Completed
5 months until next milestone

Study Start

First participant enrolled

October 25, 2021

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 16, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 16, 2021

Completed
2.7 years until next milestone

Results Posted

Study results publicly available

August 12, 2024

Completed
Last Updated

February 11, 2025

Status Verified

February 1, 2024

Enrollment Period

2 months

First QC Date

May 17, 2021

Results QC Date

June 21, 2022

Last Update Submit

January 28, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Speech Reception Thresholds (SRT) Assessed Via Sentence Scores in Spatially Separated Adaptive Noise

    Paired difference in dB SRT between treatment and control, with their applicable noise reduction feature enabled. The speech recognition threshold (SRT) examines at which level the participant can repeat 50% of the speech material correctly. These scores may be negative or positive numeric values. Lower dB SRT scores indicate a better outcome.

    One day

Secondary Outcomes (3)

  • Percentage of Correct Words Assessed by CNC (Consonant Nucleus Consonant) Monosyllabic Word Scores in Quiet

    One day

  • Percentage of Correct Assessed by CNC (Consonant Nucleus Consonant) Monosyllabic Word Scores in Quiet

    One day

  • Percentage of Correct Words Assessed by CNC (Consonant Nucleus Consonant) Monosyllabic Word Scores in Quiet

    One Day

Study Arms (2)

CP1000 Sound Processor followed by the CP1110 Sound Processor

EXPERIMENTAL

All study subjects were provided with a unique identifier. The ones that ended in an odd number were administered the CP1000 Sound Processor followed by the CP1110 Sound Processor.

Device: CP1110Device: CP1000

CP1110 Sound Processor followed by the CP1000 Sound Processor

EXPERIMENTAL

All study subjects were provided with a unique identifier. The ones that ended in an even number were administered the CP1110 Sound Processor followed by the CP1000 Sound Processor.

Device: CP1110Device: CP1000

Interventions

CP1110DEVICE

Sound Processor

CP1000 Sound Processor followed by the CP1110 Sound ProcessorCP1110 Sound Processor followed by the CP1000 Sound Processor
CP1000DEVICE

Sound Processor

CP1000 Sound Processor followed by the CP1110 Sound ProcessorCP1110 Sound Processor followed by the CP1000 Sound Processor

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Aged 18 years or older
  • Post lingually deafened
  • Implanted with the CI600 Series (CI612, CI632, CI622, CI624), CI500 Series (CI512, CI532, CI522) or Freedom Series (CI24RE(CA), CI24RE(ST), CI422)
  • At least 6 months experience with a cochlear implant.
  • At least 3 months experience with a Nucleus 6 (CP910/920), Kanso (CP950), Kanso 2 (CP1150) or Nucleus 7 (CP1000) Sound Processor
  • Able to score 30% or more at +15 SNR with CI alone on a sentence in babble test
  • Willingness to participate in and to comply with all requirements of the protocol.
  • Fluent speaker in English as determined by the investigator
  • Willing and able to provide written informed consent

You may not qualify if:

  • Additional disabilities that would prevent participation in evaluations.
  • Unrealistic expectations on the part of the subject, regarding the possible benefits, risks and limitations that are inherent to the procedures.
  • Unable or unwilling to comply with the requirements of the clinical investigation as determined by the Investigator.
  • Investigator site personnel directly affiliated with this study and/or their immediate families; immediate family is defined as a spouse, parent, child, or sibling.
  • Cochlear employees or employees of Contract Research Organisations or contractors engaged by Cochlear for the purposes of this investigation.
  • Currently participating, or participated in another interventional clinical study/trial in the past 30 days, or (if less than 30 days) the prior investigation was Cochlear sponsored and determined by the investigator to not impact clinical findings of this investigation.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Cochlear Sydney

Sydney, New South Wales, 2109, Australia

Location

Results Point of Contact

Title
PRS Specialist, Clinical Affairs
Organization
Cochlear Limited

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
CROSSOVER
Model Details: prospective, pre-market, Multi-site, non-randomized.
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 17, 2021

First Posted

May 24, 2021

Study Start

October 25, 2021

Primary Completion

December 16, 2021

Study Completion

December 16, 2021

Last Updated

February 11, 2025

Results First Posted

August 12, 2024

Record last verified: 2024-02

Data Sharing

IPD Sharing
Will not share

Locations