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XR2.3 Hearing Preservation In Implant Users


This Key Project is developing new ways to ensure that individuals who can benefit from hybrid cochlear implants have maximum residual hearing abilities by developing and trialling new designs of cochlear implant electrode arrays that:

  • (i) minimising insertion trauma;
  • (ii) providing real-time feedback on insertion to guide surgeons; and
  • (iii) eluting pharmacological agents to reduce the degree of inflammation associated with insertion.

This project is also examining delivery mechanisms for molecules that appear to prevent hair cell death as a means of reducing or preventing post-implantation loss of residual hearing. Underpinning this application is biomedical research that investigates the basic processes involved with loss of hair cells in age-related hearing loss. Recent findings have provided proof of principal that this hair cell death can be prevented by blocking programmed death pathways (apoptosis) in cells, using chemicals developed by the HEARing CRC.

XR2.3.1 Hearing Preservation Electrode Design

This project is developing new cochlear implant electrodes that can better preserve residual hearing by minimising insertion trauma and defuse anti-inflammatory drugs into surrounding tissue.

Project Leaders: A/Prof. Robert Briggs


XR2.3.2 Delivery Systems For Molecular Therapeutics

This project is examining the incorporation of a delivery system into a cochlear implant electrode to prevent hair cell-death in the cochleas of cochlear implantees.

Project Leader: Dr Rachel Burt


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