Vestibular Function Outcome After Cartilage Cap Occlusion Surgery

February 11, 2014 updated by: Larry B. Lundy, Mayo Clinic

Objective Assessment of Vestibular Function Outcome After Cartilage Cap Occlusion Surgery for Dehiscent Superior Semicircular Canal

The primary objective of this study is to measure objective, functional outcomes of patients undergoing cartilage cap occlusion surgery for a dehiscent superior semicircular canal.

Study Overview

Status

Withdrawn

Conditions

Intervention / Treatment

Detailed Description

One option for managing a dehiscent superior semicircular canal is surgical intervention. One of the surgical techniques is the transmastoid and tegmen mini-craniotomy cartilage cap occlusion of the dehiscent superior semicircular canal.

Study Type

Interventional

Phase

  • Early Phase 1

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • ambulatory
  • independent self-sufficient adults
  • good general health
  • medically stable

Exclusion Criteria:

  • Medically unstable
  • pregnant

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Surgical Group
patients will undergo a primary transmastoid and tegmen mini-craniotomy cartilage cap occlusion surgery.
Procedure: cartilage cap occlusion surgery
placement of a cartilage cap over the dome of the superior semicircular canal through a combined transmastoid and tegmen mini- craniotomy approach.
No Intervention: Non Surgical Group
patients meet the same criteria but will elect not to undergo surgery

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
objective improvement
Time Frame: baseline to 3 months
The primary outcome measure will be the subsequent (3 month) FGA scores between the control group and the surgery group to assess any objective improvement attributable to surgery
baseline to 3 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
ABC Scale
Time Frame: baseline to 3 months
Secondary objective outcome measures will be changes in conductive hearing loss and changes in cervical VEMP thresholds between the two groups at the 3-month interval. Secondary subjective outcome measures will be ABC Scale and VAS scores between the two groups at 3 months.
baseline to 3 months
VAS scores
Time Frame: baseline to 3 months
Secondary objective outcome measures will be changes in conductive hearing loss and changes in cervical VEMP thresholds between the two groups at the 3-month interval. Secondary subjective outcome measures will be ABC Scale and VAS scores between the two groups at 3 months.
baseline to 3 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Mayo Clinic

Investigators

  • Principal Investigator: Larry Lundy, MD, Mayo Clinic

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

August 1, 2012

Primary Completion (Anticipated)

August 1, 2013

Study Completion (Anticipated)

August 1, 2013

Study Registration Dates

First Submitted

August 22, 2012

First Submitted That Met QC Criteria

November 12, 2012

First Posted (Estimate)

November 16, 2012

Study Record Updates

Last Update Posted (Estimate)

February 12, 2014

Last Update Submitted That Met QC Criteria

February 11, 2014

Last Verified

February 1, 2014

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 12-001953

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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