Esteem New Subject Enrollment Post Approval Study

Envoy Medical

Status

Completed

Conditions

Sensorineural Hearing Loss

Treatments

Device: Implantation of Esteem

Study type

Interventional

Funder types

Industry

Identifiers

NCT02689349

0205

Details and patient eligibility

About

The New Enrollment Post-Approval Study is designed to evaluate the safety and efficacy of the Esteem Totally Implantable Hearing System in subjects suffering from moderate to severe hearing loss.

Full description

Purpose:

To evaluate the long-term safety and efficacy of the Esteem Totally Implantable Hearing System (hereafter called Esteem) in subjects suffering from moderate to severe hearing loss.

Questions:

The following questions are to be answered:

Is Esteem effective through 1 year follow-up?
Is Esteem safe through 1 year follow-up?
Is the incidence of facial paresis/paralysis at 1 month follow-up no greater than 7%?

Enrollment

117 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

Subject is ≥ 18 years old
Subject understands the nature of the procedure and has signed the Subject Informed Consent Form prior to the procedure
Subject is willing and able to comply with specified follow-up evaluations and understands the audiological test procedures and use of the Esteem® System.
Subject has moderate to severe sensorineural hearing loss in the ear to be implanted defined by pure tone average air-conduction threshold level.
Subject has an unaided maximum word recognition score of greater than or equal to 40% with recorded delivery using a phonetically balanced word list at SRT + 40 decibels (dB) or at maximum tolerable presentation level.
Subject is a current user of a properly functioning and appropriately fit hearing aid for at least one (1) month in the ear to be implanted.
Subject has normally functioning eustachian tube
Subject has normal tympanic membrane
Subject has a normal middle ear anatomy
Subject has adequate space for Esteem® System implant determined via fine cut temporal bone CT scan
Subject is a native speaker of the English language.

Exclusion criteria

Subject has a history of post-adolescent chronic middle ear infections, inner ear disorders or recurring vertigo requiring treatment, disorders such as mastoiditis, Hydrops or Meniere's syndrome or disease
Subject has a history of otitis externa or eczema for the outer ear canal and the investigator believes this will affect the Esteem® System implantation
Subject has cholesteatoma or destructive middle ear disease
Subject has life expectancy of < two (2) years due to other medical conditions
Subject has retrocochlear or central auditory disorders
Subject is known to be suffering from any psychological, developmental, physical, or emotional disorder that the investigator feels would interfere with the surgery or follow-up testing
Subject has a known history of fluctuating air conduction and/or bone conduction hearing loss over a one-year period of 15 dB in either direction at 2 or more frequencies (from 500 - 4000 Hz)
Subject has sudden hearing loss due to unknown cause
Subject has a history of disabling tinnitus, defined as tinnitus which required treatment.
Subject is unable to adequately perform audiological testing
Subject has a medical condition or undergoing a treatment that may affect healing and the investigator does not believe the subject is a good candidate for the trial.
Subject has diabetes that is not well controlled with medication or diet and the investigator does not believe in his best medical judgment that the subject would be a good candidate for the trial
Subject is pregnant at the time of device implant
Subject has a history of keloid formation
Subject has known hypersensitivity to silicone rubber, polyurethane, stainless steel, titanium and/or gold