Status:
ACTIVE_NOT_RECRUITING
Safety and Efficacy of a Drug Eluting Slim Modiolar Electrode Array
Lead Sponsor:
Cochlear
Collaborating Sponsors:
University of Iowa
LWB Consulting
Conditions:
Hearing Loss
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
This clinical study will test a new type of cochlear implant known as CI632D. This experimental cochlear implant has been designed to slowly release a drug called dexamethasone. Dexamethasone works to...
Eligibility Criteria
Inclusion
- 18 years or older, at time of consent.
- Postlinguistic moderately severe to profound sensorineural hearing loss, defined by a four frequency (500, 1000, 2000, 4000 Hz) pure-tone average unaided threshold (PTA4) ≥ 60 decibels hearing level (dB HL), in the ear to be implanted (For this study, moderately severe is defined by a four-frequency, pure-tone average threshold (PTA4) over the range 500 through 4000 Hz of more than 55 dB HL through 70 dB HL, inclusive. Profound is defined by a PTA4 of more than 90 dB HL).
- Pure-tone average unaided threshold (500 through 4000 Hz) ≥ 30 dB HL, in the contralateral ear.
- Preoperative aided word score ≤ 40% correct in the ear to be implanted.
- Evidence of pneumococcal vaccination (e.g., Pneumovax) according to local guidelines.
- Candidate is proficient in the language used to assess speech perception performance.
- Willing and able to provide written informed consent.
Exclusion
- Intra-axial (within the brain) lesions or deafness due to lesions of the acoustic nerve affecting the ear to be implanted.
- Middle ear infection (including acute otitis media, chronic otitis media, suppurative otitis media, or serous drainage) in the ear to be implanted either at the time of surgery or within 3 months prior to enrolment.
- Active autoimmune disease or active immunosuppressive therapy.
- Presence of a tympanic membrane perforation or a history of otologic surgery within 3 months prior to enrolment, in the ear to be implanted.
- Previously reported diagnosis of auditory neuropathy, in the ear to be implanted.
- Previously reported diagnosis, in the ear to be implanted, of Large Vestibular Aqueduct Syndrome (LVAS), Meniere's disease, or cochlear hydrops.
- Ossification, otosclerosis, malformation or any other cochlear anomaly, such as common cavity, that might prevent complete insertion of the electrode array, in the ear to be implanted.
- Current cerebrospinal fluid (CSF) shunts or drains, existing perilymph fistula, skull fracture or CSF leaks.
- Previously reported diagnosis of bacterial meningitis.
- Known allergic reaction or contraindication to dexamethasone or corticosteroids.
- Severe, or poorer, bilateral sensorineural hearing loss prior to 5 years of age, as reported by the subject. (For this study, severe is defined by a PTA4 of more than 70 dB HL through 90 dB HL, inclusive).
- Severe, or poorer, sensorineural hearing loss for more than 20 years, as reported by the subject, in the ear to be implanted.
- Prior cochlear implantation in either ear.
- Medical plan for cochlear implantation during the clinical investigation, contralateral to the ear to be implanted.
- Medical or psychological conditions that contraindicate general anaesthesia, surgery, or participation in the clinical investigation as determined by the Investigator.
- Unrealistic expectations on the part of the subject regarding the possible benefits, risks, and limitations inherent to the surgical procedure(s) and prosthetic devices, as determined by the Investigator.
- Women who are pregnant.
- Additional disabilities that may affect the subject's participation or safety during the clinical investigation.
- Unable or unwilling to comply with all 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 spouse, parent, child, or sibling.
- Cochlear employees or employees of Contract Research Organisations or contractors engaged by Cochlear for the purposes of this investigation.
- Current participation, or participation in another interventional clinical study/trial in the past 30 days, involving an investigational drug or device unless Cochlear sponsored and determined by Investigator or Sponsor to not impact this investigation.
Key Trial Info
Start Date :
January 3 2025
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
September 1 2026
Estimated Enrollment :
56 Patients enrolled
Trial Details
Trial ID
NCT06598059
Start Date
January 3 2025
End Date
September 1 2026
Last Update
September 12 2025
Active Locations (11)
Enter a location and click search to find clinical trials sorted by distance.
1
UCLA Medical Center
Los Angeles, California, United States, 90095
2
Rocky Mountain Ear Center
Englewood, Colorado, United States, 80113
3
University of Iowa
Iowa City, Iowa, United States, 52242
4
Henry Ford Health
Detroit, Michigan, United States, 48202