- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00037947
Auditory Function in Patients With and Without Multiple Sclerosis
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This study will compare the prevalence and nature of hearing dysfunction in patients with MS and in a group of control subjects without MS. The work will address three main goals:
- Evaluating the possibility that MS is a risk factor for hearing impairment, tinnitus and central auditory dysfunction.
- Determining the nature and the extent of auditory dysfunction in individuals with MS compared to those without MS; and determining neuropsychological function in each group.
- Evaluating the extent to which disability in individuals with MS may be amplified by the presence of auditory dysfunction.
Measurements of auditory function and psychometric performance will be compared between MS patients and control subjects without MS. These subjects will come to the Portland VAMC for four sessions of comprehensive auditory and psychometric testing. Additional information on disease history and status, hearing history, and current-disability status will be obtained.
Subjects The patient group (Group 1) will consist of 150 patients with diagnosed MS, recruited at the MS Center of Oregon. For this group, inclusion criteria for each patient will include: (1) a clinical or laboratory supported diagnosis of "definite MS" (Poser, et al., 1983); (2) a diagnosis of relapsing, remitting or secondary progressive MS; (3) A Kurtzke Expanded Disability Status Score (EDSS) of 0 to 7.0, inclusive; (4) no history of a clinical relapse or change in EDSS for three months preceding entry into the study; and (5) a brain MRI scan (within the preceding year) that shows at least three white-matter lesions on T2-weighted images consistent with MS.
The control group (Group 2) will consist of 150 subjects without MS who are matched to the patient group with respect to age (± 5 years), to gender and to audiometric configuration (within ±10 dB Hearing Level for the octave test frequencies from 500 through 8000 Hz). Subjects in Group 2 will be recruited from the VA audiology clinic and from a cohort of more than 360 subjects and patients who have been used as controls in five other studies. Both males and non-pregnant females will be recruited in equal numbers. Minority individuals will be recruited in accordance with recommendations for proportional minority representation established by the Office of Human Research Accountability and the Minority Affairs Program. The protocols will be explained verbally by the investigators, and restated in consent forms approved by the VA IRB, and signed by the subject, by the investigator and by a witness.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Oregon
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Portland, Oregon, United States
- VA Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Collaborators and Investigators
Investigators
- David Wolff, Ph.D. Special Assistant to the Director, Program Analysis and Review Section (PARS), VA Rehabilitation Research & Development Service
- Danielle Kerkovitch, Ph.D., Program Analysis and Review Section (PARS), VA Rehabilitation Research and Development Service
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- B2568R
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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