Study of Auditory Function through Intra- and Post-operative Measurements


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Rochester, Minnesota: 18-008396
    Sponsor Protocol Number: 18-008396

About this study

The purpose of this study is to determine if electrocochleography (ECochG) measurements performed during cochlear implant surgery can be used to monitor cochlear structures and minimize electrode insertion trauma.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

  • Age 18 or older.
  • Meets centers’ normal candidacy requirements for cochlear implantation.
  • Must be able to provide consent to participate.

Exclusion Criteria: 

  • Cochlear abnormality that might prevent insertion of the electrode array.
  • Additional handicap that would limit the patient from being able to follow study instructions.

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Aniket Saoji, Ph.D.

Open for enrollment

Contact information:

Paula Orr CCRP



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