Comparison Between Neuro 1 and Neuro 2 Cochlear Implant Speech Processors

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

98 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-10-02

Study Completion Date

2019-01-11

Brief Summary

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The present study aims to evaluate patient satisfaction and audiological performance with their current cochlear implant speech processor, the Neuro 1, and to compare it with the satisfaction and performance obtained with the new speech processor, the Neuro 2.

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Detailed Description

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Nowadays, cochlear implants (CI) are successfully used to rehabilitate severe to profound sensorineural hearing loss. Oticon Medical recently developed a new cochlear implant system, including a new implantable internal part (Neuro Zti) and a new speech processor (Neuro 1). This new speech processor automatically detects and adapts to the sound environment, increasing the ease of listening in all situations. A second version of this speech processor has very recently been developed, called the Neuro 2. The Neuro 1 and 2 share the same signal processing characteristics and the "sound" delivered to the patient is similar. However, the Neuro 2 offers better ergonomics (smaller size and weight, rechargeable batteries…). Some improvements available on the Neuro 2 may be particularly interesting for children.

The aim of the present study is twofold: 1. Compare the satisfaction of adult and pediatric users for the speech processor Neuro 1 with their satisfaction for the Neuro 2, and 2. Show that audiological outcomes are at least as good for the Neuro 2 than for the Neuro 1.

The participants come at the hospital for three visits. The Neuro 1 is evaluated during the first visit (V1). Evaluation of the Neuro 2 takes place during the second (V2, 15 days after V1) and the third (V3, 3 months after V2).

Conditions

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Sensorineural Hearing Loss Cochlear Hearing Loss

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Adults and children above 14 years old

Visit 1:

Satisfaction questionnaire on Neuro 1 Speech intelligibility in quiet on Neuro 1 Speech intelligibility in noise on Neuro 1 VRB (Vocale Rapide dans le Bruit) on Neuro 1

Visit 2 (15 days after V1):

Satisfaction questionnaire on Neuro 2 Speech audiometry in quiet on Neuro 2 Speech audiometry in noise on Neuro 2 VRB (Vocale Rapide dans le Bruit) on Neuro 2

Visit 3 (3 months after V2):

Satisfaction questionnaire on Neuro 2 Speech audiometry in quiet on Neuro 2 Speech audiometry in noise on Neuro 2 VRB (Vocale Rapide dans le Bruit) on Neuro 2

Group Type EXPERIMENTAL

Satisfaction questionnaire

Intervention Type OTHER

Participants have to complete a satisfaction questionnaire on the Neuro 1 or 2 processor.

Speech intelligibility in quiet

Intervention Type BEHAVIORAL

The speech material corresponds to the lists of Lafon designed for cochlear implant patients. Each lists contains 17 monosyllabic words. Speech comprehension is evaluated by the percentage of correct words and the percentage of correct phonemes. Speech signals are presented at 65 dB SPL. 2 lists of 17 words are presented. At visit 1, the participants wear the sound processor Neuro 1. At visits 2 and 3, the participants wear the Neuro 2.

Speech intelligibility in noise

Intervention Type BEHAVIORAL

The speech material corresponds to the lists of Lafon designed for cochlear implant patients. Each lists contains 17 monosyllabic words. Speech comprehension is evaluated by the percentage of correct words and the percentage of correct phonemes. Speech signals are presented at 65 dB SPL. 2 lists of 17 words are presented. The noise corresponds to a cocktail party presented at +10 dB SNR (Speech on Noise Ratio). At visit 1, the participants wear the sound processor Neuro 1. At visits 2 and 3, the participants wear the Neuro 2.

VRB (Vocale Rapide dans le Bruit)

Intervention Type BEHAVIORAL

Speech intelligibility in noise measured with the test VRB (Vocale Rapide dans le Bruit, French version of the Quick Sin). This test measures the SNR (Signal to Noise Ratio) at which the listeners understand half of the words of a sentence correctly. The outcome measure is in dB. 3 lists are presented. Speech signals are presented at 60 dB SPL.

children up to 14 years old

Visit 1 Satisfaction questionnaire on Neuro 1

Visit 2 (15 days after V1):

Satisfaction questionnaire on Neuro 2

Visit 3 (3 months after V2):

Satisfaction questionnaire on Neuro 2

The questionnaires have to be filled in by the parents. The child can participate in the completion of the questionnaire if he is willing and understands the questions.

Group Type EXPERIMENTAL

Satisfaction questionnaire

Intervention Type OTHER

Participants have to complete a satisfaction questionnaire on the Neuro 1 or 2 processor.

Interventions

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Satisfaction questionnaire

Participants have to complete a satisfaction questionnaire on the Neuro 1 or 2 processor.

Intervention Type OTHER

Speech intelligibility in quiet

The speech material corresponds to the lists of Lafon designed for cochlear implant patients. Each lists contains 17 monosyllabic words. Speech comprehension is evaluated by the percentage of correct words and the percentage of correct phonemes. Speech signals are presented at 65 dB SPL. 2 lists of 17 words are presented. At visit 1, the participants wear the sound processor Neuro 1. At visits 2 and 3, the participants wear the Neuro 2.

Intervention Type BEHAVIORAL

Speech intelligibility in noise

The speech material corresponds to the lists of Lafon designed for cochlear implant patients. Each lists contains 17 monosyllabic words. Speech comprehension is evaluated by the percentage of correct words and the percentage of correct phonemes. Speech signals are presented at 65 dB SPL. 2 lists of 17 words are presented. The noise corresponds to a cocktail party presented at +10 dB SNR (Speech on Noise Ratio). At visit 1, the participants wear the sound processor Neuro 1. At visits 2 and 3, the participants wear the Neuro 2.

Intervention Type BEHAVIORAL

VRB (Vocale Rapide dans le Bruit)

Speech intelligibility in noise measured with the test VRB (Vocale Rapide dans le Bruit, French version of the Quick Sin). This test measures the SNR (Signal to Noise Ratio) at which the listeners understand half of the words of a sentence correctly. The outcome measure is in dB. 3 lists are presented. Speech signals are presented at 60 dB SPL.

Intervention Type BEHAVIORAL

Other Intervention Names

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french Quick SIN

Eligibility Criteria

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Inclusion Criteria

* informed consent
* Native French speaker or fluent French speaker
* Patient already fitted with one or two speech processor Neuro 1 for at least 5 months

Exclusion Criteria

* vulnerable patients, at the exception of children (pregnant women, persons under guardianship)
* No Social security affiliation
* non-compliant patient

Eligible Sex

ALL

Accepts Healthy Volunteers

No