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Conductive Hearing Loss clinical trials

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NCT ID: NCT03541967 Withdrawn - Clinical trials for Conductive Hearing Loss

Comparison of a New Bone Conduction Hearing System to a Osteo-integrated Bone Conduction Hearing Aid on a Softband

Start date: July 15, 2018
Phase: N/A
Study type: Interventional

Main objectives - The first main objective is to evaluate the non-inferiority of the ADHEAR system compared to the PONTO 3 SUPERPOWER softband system in terms of average tonal gain. - The second main objective of the study is to evaluate the superiority of the ADHEAR system compared to the PONTO 3 SUPERPOWER softband system in terms of comfort. Secondary objectives - Evaluate skin reactions with ADHEAR and PONTO 3 SUPER POWER on softband. - Evaluate and compare perception in silence and noise with ADHEAR and PONTO 3 SUPER POWER on softband. - Evaluate and compare the subjective auditory perception with ADHEAR and PONTO 3 SUPER POWER on softband. - Evaluate the satisfaction and use of ADHEAR.

NCT ID: NCT03271970 Withdrawn - Clinical trials for Conductive Hearing Loss

The Anatomic Determinants of Perforation Induced Hearing Loss

Start date: April 2017
Phase: N/A
Study type: Observational

The purpose of this study is to identify factors that may contribute to conductive hearing loss. Conductive hearing loss is a type that is due to a problem with the outer or middle ear. Because of this, sound does not travel through the ear normally. Perforated tympanic membranes of study patients will be photographed during the patient's routine visit using a digital otoscope. These pictures will be used to analyze perforation size as an absolute value as well as a percentage of the tympanic membrane. Audiometric results and CT scans of temporal bone (reports and images) collected as standard of care will be evaluated. Images of CT scans will be imported into a medical imaging software for creation of anatomically realistic 3D models of the middle ear and mastoid air space. Structural analysis on each 3D model will be conducted and analyzed, the volume of middle ear and mastoid air spaces will be recorded, and data points will be correlated with perforation size and location to audiogram results.

NCT ID: NCT01264510 Withdrawn - Clinical trials for Conductive Hearing Loss

Evaluation of the Effectiveness of Bone-anchored Hearing Aids (Baha)

Baha
Start date: March 2010
Phase: Phase 4
Study type: Interventional

A bone-anchored hearing aid (Baha) consists of a titanium implant located at the mastoid, and a sound processor connected with the implant. The sound processor delivers bone conducted stimuli to the cochlea, bypassing the outer and middle ear. Some patients who are unable to wear or do not benefit from a conventional air-conduction hearing aid, are candidate for a Baha. Typically, these patients suffer from a conductive or a mixed hearing loss. Recently however, Baha's are also being recommended in patients with unilateral deafness. Sound coming from the deaf side is captured and transmitted through bone conduction to the normal inner ear. The overall benefit of a Baha is more difficult to assess in those patients. Therefore, the goal of the current study is to examine the benefit of a Baha in patients with different audiological profiles (unilateral or bilateral conductive or mixed hearing loss, and unilateral deafness). Special attention will be given to predictive determinants of the benefit with a Baha, and to the improvement of pre-operative criteria and counseling of patients.