Skip to content

Factors Affecting Early Progress of Cochlear Implant Outcomes in Adults

Barriers to Early Progress in Cochlear Implant Outcomes: a Non-interventional Feasibility Study

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05265260
Acronym
PROGRESS
Enrollment
32
Registered
2022-03-03
Start date
2022-04-21
Completion date
2022-09-20
Last updated
2024-04-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Sensorineural Hearing Loss, Bilateral

Keywords

Cochlear implant, Sentence recognition, Cognitive processing, Electrophysiology

Brief summary

The aim of this study is to understand how audiometric, cognitive and electrophysiological results relate to sentence recognition score in adults using currently a Nucleus cochlear implant.

Interventions

None listed

Sponsors

EVAMED
CollaboratorOTHER
Cochlear
Lead SponsorINDUSTRY

Study design

Observational model
COHORT
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Adult subjects, 18 years or older * Subjects unilaterally implanted or bilaterally implanted with at least 6 months separating the two cochlear implantations. * Subjects who have been implanted between January 2016 and December 2021. * Subjects have received a Nucleus CI: CI512, CI522 or CI532 cochlear implants with non-rotating magnet, or CI600 series equivalent CI612, CI622 and CI632 with rotating magnet and external sound processors CP900 or CP1000 behind-the-ear, or Kanso or Kanso 2 off-the-ear types. * Subjects who are fluent in French (language used in the questionnaire and speech tests) * Subjects who are not opposed to participating in the study * Subjects for who the medical record data is available throughout the defined data search period.

Exclusion criteria

* Subjects with single-sided deafness (SSD). * Subjects who are not affiliated to the French Social Security. * Subjects who are under legal protection.

Design outcomes

Primary

MeasureTime frameDescription
Score of the French MBAA2 Sentence Recognition Test in Quiet1 month post activationParticipants are classified in good or poor performer based on the score of the French MBAA2 sentence recognition test. A good performer has a score of ≥90/100 correct sentence. A bad performer has a score of \<90/100 correct sentence.

Countries

France

Participant flow

Recruitment details

32 participants were recruited between 21 April 2022 and 24 August 2022. The aim was to recruit 30 participants with data for the primary endpoint. As it was noted during the data collection period that data was missing, the number was increased to 32.

Participants by arm

ArmCount
Adults Using Currently a Nucleus Cochlear Implant
Adults (\>18 years) unilaterally implanted or bilaterally implanted with at least 6 months separating the two cochlear implantations.
32
Total32

Baseline characteristics

CharacteristicAdults Using Currently a Nucleus Cochlear Implant
Age, Continuous70.0 years
STANDARD_DEVIATION 13.5
Region of Enrollment
France
32 participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 0
other
Total, other adverse events
0 / 0
serious
Total, serious adverse events
0 / 0

Outcome results

Primary

Score of the French MBAA2 Sentence Recognition Test in Quiet

Participants are classified in good or poor performer based on the score of the French MBAA2 sentence recognition test. A good performer has a score of ≥90/100 correct sentence. A bad performer has a score of \<90/100 correct sentence.

Time frame: 1 month post activation

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Adults Using Currently a Nucleus Cochlear ImplantScore of the French MBAA2 Sentence Recognition Test in QuietGood performer13 Participants
Adults Using Currently a Nucleus Cochlear ImplantScore of the French MBAA2 Sentence Recognition Test in QuietBad performer19 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026