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Clinical Trials/NCT02438618
NCT02438618
Completed
Not Applicable

Minimally Invasive Surgery for Ponto Bone Anchored Hearing Implants

Oticon Medical1 site in 1 country64 target enrollmentDecember 2, 2014

Overview

Phase
Not Applicable
Intervention
Not specified
Conditions
Conductive Hearing Loss
Sponsor
Oticon Medical
Enrollment
64
Locations
1
Primary Endpoint
Incidence of inflammation (Holgers index ≥ 2)
Status
Completed
Last Updated
6 years ago

Overview

Brief Summary

The objective of this study is to make a comparison between two surgical techniques used when implanting a Ponto bone anchored hearing system.

Registry
clinicaltrials.gov
Start Date
December 2, 2014
End Date
November 18, 2018
Last Updated
6 years ago
Study Type
Interventional
Study Design
Parallel
Sex
All

Investigators

Responsible Party
Sponsor

Eligibility Criteria

Inclusion Criteria

  • Adult patient, i.e. ≥ 18 years of age
  • Eligible for the Ponto system

Exclusion Criteria

  • Known history of immunosuppressive disease
  • Use of systemic immunosuppressive medication
  • Receiving bilateral bone anchored hearing system
  • Relevant dermatological diseases as judged by the investigator
  • Not being able to finish the study, for example because of failure to complete the questionnaires
  • Participating in another study with medical aids or medication
  • When there is no suitable implantation-site for the 4 mm implant during surgery because of insufficient bone quality.

Outcomes

Primary Outcomes

Incidence of inflammation (Holgers index ≥ 2)

Time Frame: 3 months post surgery

Secondary Outcomes

  • Visual Analogue Scale (VAS) pain scale > 6 (Noted on a scale from 0 - 10)(24 months post surgery)
  • Soft tissue overgrowth (mm)(24 months post surgery)
  • Presence of dehiscence after surgery (Noted in a binary fashion (present/not present))(3 months post surgery)
  • Presence of dehiscence after surgery (present/not present)(24 months post surgery)
  • Cosmetic result (10 point scale)(24 months post surgery)
  • Loss of sensibility (Measured in mm outwards from the abutment)(24 months post surgery)
  • Implant stability quotient (ISQ) measurements (ISQ units 1-100)(24 months post surgery)
  • Holgers index ≥ 2 at any time point(24 months post surgery)
  • Extrusion rate (number of implants lost)(24 months post surgery)
  • Surgical time (minutes)(3 months post surgery)
  • Wound healing time (time to reach healed)(3 months post surgery)

Study Sites (1)

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