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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT02671032
Registration number
NCT02671032
Ethics application status
Date submitted
27/01/2016
Date registered
2/02/2016
Titles & IDs
Public title
CHANGE Feasibility Study
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Scientific title
Characterisation of Audiological Outcomes With the Nucleus CI532 Cochlear Implant in Adult Subjects.
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Secondary ID [1]
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CLTD5626
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Universal Trial Number (UTN)
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Trial acronym
CLTD5626
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Hearing Loss
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Condition category
Condition code
Ear
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Deafness
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Experimental: Implantation with Nucleus CI532 cochlear implant - All participants will receive the same treatment - Implantation with Nucleus CI532 cochlear implant.
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Report on Degree of Hearing as Measured by Pure Tone Audiogram
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Assessment method [1]
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unaided audiogram at time intervals indicated above in ear to be implanted and implanted ear.
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Timepoint [1]
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6 months and 12 months post activation
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Primary outcome [2]
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Report on Clinical Performance in Quiet and Noise
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Assessment method [2]
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Speech perception assessment with monosyllabic words and sentences percentage correct in competing noise at a fixed signal-to-noise ratio (+5dB).
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Timepoint [2]
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3 months, 6 months and 12 months post activation
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Primary outcome [3]
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Report of Medical/Surgical and Device Related Adverse Events.
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Assessment method [3]
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Report of medical/surgical and device related adverse events compared to current approved labeling with regard to type, frequency and seriousness.
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Timepoint [3]
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12 months post activation.
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Secondary outcome [1]
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Report on Patient Reported Outcome Measures for Speech, Spatial and Qualities of Hearing Scale (SSQ)
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Assessment method [1]
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Effect of intervention (implantation with CI532 cochlear implant) will be assessed by the change in SSQ scores from preoperative to 6 months post activation, where scores follow a system of 0 = not at all and 10 = perfectly in response to questions.
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Timepoint [1]
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Preoperative and 6 months post activation
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Secondary outcome [2]
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Glasgow Benefit Inventory (GBI).
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Assessment method [2]
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Effect of intervention (implantation with CI532 cochlear implant) will be assessed at 6 months post activation with the Glasgow Benefit Inventory (GBI). Glasgow Benefit Inventory (GBI) is a measure of patient reported benefit developed especially for otorhinolaryngological interventions where scores range from -100 to 100, where a higher score corresponds to a better benefit outcome and a negative score value corresponds to a worse outcome.
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Timepoint [2]
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6 months post activation
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Eligibility
Key inclusion criteria
1. Meet current cochlear implant indications at the implanting centre
2. In addition to meeting current cochlear implant indications, subjects must also possess preoperative unaided hearing thresholds between 40 to 65 dB HL at 250 & 500Hz in the ear to be implanted.
3. Fluent speaker in the local language used to assess clinical performance
4. Eighteen years of age or older at the time of implantation with no upper age limit
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Evidence of hearing loss prior to 5 years of age.
2. Sensorineural severe-to-profound hearing loss greater than 20 years at 2 kHz and above.
3. Simultaneous bilateral cochlear implantation or prior cochlear implantation in the ear to be implanted.
4. Additional disabilities that may affect the subject's participation or safety during the clinical investigation.
5. Medical or psychological conditions that contraindicate undergoing general anaesthesia or surgery.
6. Ossification, malformation or any other cochlear anomaly, such as common cavity, that might prevent complete insertion of the electrode array, as confirmed by medical examination.
7. Hearing impairment due to lesion or neuropathy of the acoustic nerve, VIII nerve or central auditory pathway.
8. Active middle-ear infection,
9. Tympanic membrane perforation
10. Unrealistic expectations on the part of the subject, regarding the possible benefits, risks, and limitations that are inherent to the surgical procedure(s) and prosthetic devices
11. Unwillingness or inability of the candidate to comply with all investigational requirements.
12. Patients with existing CSF shunts or drains, existing perilymph fistula, skull fracture or CSF leak.
13. Patients with recurrent episodes of bacterial meningitis.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
NA
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
5/01/2016
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
15/07/2019
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Sample size
Target
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Accrual to date
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Final
12
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Recruitment in Australia
Recruitment state(s)
VIC
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Recruitment hospital [1]
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The Hearing Cooperative Research Centre - Carlton
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Recruitment hospital [2]
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Royal Victorian Eye and Ear Hospital - East Melbourne
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Recruitment postcode(s) [1]
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3053 - Carlton
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Recruitment postcode(s) [2]
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30002 - East Melbourne
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Cochlear
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Address
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Country
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Other collaborator category [1]
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Other
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Name [1]
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The Hearing Cooperative Research Centre
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Address [1]
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Country [1]
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Other collaborator category [2]
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Government body
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Name [2]
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Royal Victoria Eye and Ear Hospital
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Address [2]
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Country [2]
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of the feasibility study is to examine audiological outcomes (audiometry and speech perception) and safety (adverse events and adverse device effects) with the Nucleus CI532 cochlear implant in group of adult subjects (n=12) who meet current criteria for cochlear implantation.
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Trial website
https://clinicaltrials.gov/study/NCT02671032
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Robert Cowan, DipAud PhD
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Address
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HEARing CRC
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
Cochlear do not have an approved platform for sharing IPD. Data may be provided to individual researchers on request.
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What supporting documents are/will be available?
No Supporting Document Provided
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Other Details
Attachment
Study protocol
Study Protocol and Statistical Analysis Plan
https://cdn.clinicaltrials.gov/large-docs/32/NCT02671032/Prot_SAP_000.pdf
Statistical analysis plan
Study Protocol and Statistical Analysis Plan
https://cdn.clinicaltrials.gov/large-docs/32/NCT02671032/Prot_SAP_000.pdf
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results are available at
https://clinicaltrials.gov/study/NCT02671032