Trial Outcomes & Findings for Acceptance and Performance of CP1110 Sound Processor With Experienced Adult Cochlear Implant Recipients. (NCT NCT05080283)

NCT ID: NCT05080283

Last Updated: 2025-03-25

Results Overview

Paired difference in dB SRT (AuSTIN) between the CP1110 Sound Processor with automated ForwardFocus ON (SCAN 2 FF) and ForwardFocus OFF (SCAN 2) in 65 dB SPL S0Nrearhalf 4TB.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

20 participants

Primary outcome timeframe

6 months

Results posted on

2025-03-25

Participant Flow

Participant milestones

Participant milestones
Measure
All Participants
All participants were assigned to CP1110 Sound Processor System with automated ForwardFocus On (SCAN 2 FF), CP1110 Sound Processor System with ForwardFocus Off (SCAN 2) compared to the previously marketed Nucleus 7 Sound Processor (Model: CP1000).
CP1110 With ForwardFocus On (SCAN 2 FF)
STARTED
20
CP1110 With ForwardFocus On (SCAN 2 FF)
COMPLETED
20
CP1110 With ForwardFocus On (SCAN 2 FF)
NOT COMPLETED
0
CP1110 With ForwardFocus Off (SCAN 2)
STARTED
20
CP1110 With ForwardFocus Off (SCAN 2)
COMPLETED
20
CP1110 With ForwardFocus Off (SCAN 2)
NOT COMPLETED
0
CP1000
STARTED
20
CP1000
COMPLETED
20
CP1000
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Participants
n=20 Participants
All participants were assigned to CP1110 Sound Processor System with ForwardFocus On (SCAN), CP1110 Sound Processor System with ForwardFocus Off (SCAN) compared to the previously marketed Nucleus 7 Sound Processor (Model: CP1000) in a random order.
Age, Continuous
61 years
n=20 Participants
Sex: Female, Male
Female
11 Participants
n=20 Participants
Sex: Female, Male
Male
9 Participants
n=20 Participants
Region of Enrollment
Australia
20 participants
n=20 Participants
Age of onset of hearing loss
21.4 years
STANDARD_DEVIATION 19.84 • n=20 Participants

PRIMARY outcome

Timeframe: 6 months

Paired difference in dB SRT (AuSTIN) between the CP1110 Sound Processor with automated ForwardFocus ON (SCAN 2 FF) and ForwardFocus OFF (SCAN 2) in 65 dB SPL S0Nrearhalf 4TB.

Outcome measures

Outcome measures
Measure
Within-subject Comparison of CP1110 ForwardFocus On Versus ForwardFocus Off in S0Nrearhalf
n=20 Participants
All participants were assigned to CP1110 Sound Processor System with automated ForwardFocus On (SCAN 2 FF), CP1110 Sound Processor System with ForwardFocus Off (SCAN 2) compared to the previously marketed Nucleus 7 Sound Processor (Model: CP1000). Participants' speech performance (sentences in noise score) in 65 dB SPL S0Nrearhalf 4 Talker Babble was assessed between two programs in CP1110 Sound Processor: automated ForwardFocus On (SCAN 2 FF) versus ForwardFocus Off (SCAN 2).
Speech Reception Thresholds (SRT) Assessed in Spatially Separated Speech and Noise (S0Nrearhalf)
CP1110 ForwardFocus On
-10.34 dB SRT
Interval -11.1 to -9.57
Speech Reception Thresholds (SRT) Assessed in Spatially Separated Speech and Noise (S0Nrearhalf)
CP1110 ForwardFocus Off
-6.04 dB SRT
Interval -7.32 to -4.76
Speech Reception Thresholds (SRT) Assessed in Spatially Separated Speech and Noise (S0Nrearhalf)
Difference between CP1110 ForwardFocus On and ForwardFocus off
-4.30 dB SRT
Interval -5.19 to -3.41

SECONDARY outcome

Timeframe: 6 months

Paired difference in dB SRT (AuSTIN) between the CP1110 Sound Processor with automated ForwardFocus On (SCAN 2 FF) and ForwardFocus OFF (SCAN 2) in 65 dB SPL S0N3 Babble.

Outcome measures

Outcome measures
Measure
Within-subject Comparison of CP1110 ForwardFocus On Versus ForwardFocus Off in S0Nrearhalf
n=20 Participants
All participants were assigned to CP1110 Sound Processor System with automated ForwardFocus On (SCAN 2 FF), CP1110 Sound Processor System with ForwardFocus Off (SCAN 2) compared to the previously marketed Nucleus 7 Sound Processor (Model: CP1000). Participants' speech performance (sentences in noise score) in 65 dB SPL S0Nrearhalf 4 Talker Babble was assessed between two programs in CP1110 Sound Processor: automated ForwardFocus On (SCAN 2 FF) versus ForwardFocus Off (SCAN 2).
Speech Reception Thresholds (SRT) Assessed in Spatially Separated Speech and Noise (S0N3)
CP1110 ForwardFocus On
-8.35 dB SRT
Interval -9.68 to -7.01
Speech Reception Thresholds (SRT) Assessed in Spatially Separated Speech and Noise (S0N3)
CP1110 ForwardFocus Off
-4.16 dB SRT
Interval -5.49 to -2.83
Speech Reception Thresholds (SRT) Assessed in Spatially Separated Speech and Noise (S0N3)
Difference between CP1110 ForwardFocus On and ForwardFocus Off
-4.18 dB SRT
Interval -4.9 to -3.47

SECONDARY outcome

Timeframe: 6 months

Paired difference in percentage CNC Words correct in quiet (50 dB) with the CP1110 Sound Processor and Nucleus 7 Sound Processor.

Outcome measures

Outcome measures
Measure
Within-subject Comparison of CP1110 ForwardFocus On Versus ForwardFocus Off in S0Nrearhalf
n=20 Participants
All participants were assigned to CP1110 Sound Processor System with automated ForwardFocus On (SCAN 2 FF), CP1110 Sound Processor System with ForwardFocus Off (SCAN 2) compared to the previously marketed Nucleus 7 Sound Processor (Model: CP1000). Participants' speech performance (sentences in noise score) in 65 dB SPL S0Nrearhalf 4 Talker Babble was assessed between two programs in CP1110 Sound Processor: automated ForwardFocus On (SCAN 2 FF) versus ForwardFocus Off (SCAN 2).
Adult Cochlear Implant Recipient Speech Perception in Quiet With the CP1110 Sound Processor and the Nucleus 7 Sound Processor
CP1110 Sound Processor
60.40 percentage of correct words
Interval 54.81 to 65.99
Adult Cochlear Implant Recipient Speech Perception in Quiet With the CP1110 Sound Processor and the Nucleus 7 Sound Processor
Nucleus 7 Sound Processor
56.80 percentage of correct words
Interval 50.37 to 63.23
Adult Cochlear Implant Recipient Speech Perception in Quiet With the CP1110 Sound Processor and the Nucleus 7 Sound Processor
Difference between CP1110 and Nucleus 7 Sound Processor
3.60 percentage of correct words
Interval 0.77 to 6.43

SECONDARY outcome

Timeframe: Baseline (Nucleus 7) and Visit 2 (6 months, CP1110)

Paired difference in Global Speech, Spatial and Qualities of Hearing Scale (SSQ12) scores after experience with the CP1110 Sound Processor and Nucleus 7 Sound Responses. SSQ12 have a minimum value of 0 and a maximum of 10, wherein a higher score means a better outcome.

Outcome measures

Outcome measures
Measure
Within-subject Comparison of CP1110 ForwardFocus On Versus ForwardFocus Off in S0Nrearhalf
n=20 Participants
All participants were assigned to CP1110 Sound Processor System with automated ForwardFocus On (SCAN 2 FF), CP1110 Sound Processor System with ForwardFocus Off (SCAN 2) compared to the previously marketed Nucleus 7 Sound Processor (Model: CP1000). Participants' speech performance (sentences in noise score) in 65 dB SPL S0Nrearhalf 4 Talker Babble was assessed between two programs in CP1110 Sound Processor: automated ForwardFocus On (SCAN 2 FF) versus ForwardFocus Off (SCAN 2).
Adult Cochlear Implant Subjective Hearing Performance and Sound Quality With the CP1110 Sound Processor and Nucleus 7 Sound Processor
CP1110 Sound Processor
5.96 units on a scale
Interval 5.27 to 6.65
Adult Cochlear Implant Subjective Hearing Performance and Sound Quality With the CP1110 Sound Processor and Nucleus 7 Sound Processor
Nucleus 7 Sound Processor
5.95 units on a scale
Interval 5.19 to 6.71
Adult Cochlear Implant Subjective Hearing Performance and Sound Quality With the CP1110 Sound Processor and Nucleus 7 Sound Processor
Difference between CP1100 and Nucleus 7 Sound Processor
0.01 units on a scale
Interval -0.58 to 0.61

Adverse Events

All Participants

Serious events: 0 serious events
Other events: 13 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
All Participants
n=20 participants at risk
All 20 participants were assigned to investigate the acceptance and performance of a new behind-the-ear sound processor (Model: CP1110) with the ForwardFocus feature turned on and off, as compared to the previously marketed Nucleus 7 Sound Processor (Model: CP1000).
Investigations
Headache
10.0%
2/20 • Number of events 2 • 6 months
General disorders
Bodyache
5.0%
1/20 • Number of events 1 • 6 months
General disorders
Common cold
5.0%
1/20 • Number of events 1 • 6 months
General disorders
Cough
10.0%
2/20 • Number of events 2 • 6 months
General disorders
High fever
5.0%
1/20 • Number of events 1 • 6 months
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Melanoma
5.0%
1/20 • Number of events 1 • 6 months
General disorders
One sided headache and neck pain
5.0%
1/20 • Number of events 1 • 6 months
Respiratory, thoracic and mediastinal disorders
Sinusitis
10.0%
2/20 • Number of events 2 • 6 months
Skin and subcutaneous tissue disorders
Skin lump
5.0%
1/20 • Number of events 1 • 6 months
Musculoskeletal and connective tissue disorders
Trigger finger
5.0%
1/20 • Number of events 1 • 6 months
Renal and urinary disorders
Urine retention
5.0%
1/20 • Number of events 1 • 6 months
Infections and infestations
Viral infection
15.0%
3/20 • Number of events 3 • 6 months

Additional Information

PRS Specialist, Clinical Affairs

Cochlear Ltd.

Phone: +61 2 9428 6555

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place