- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00668720
Repetitive Transcranial Magnetic Stimulation (rTMS) for Tinnitus
June 29, 2011 updated by: UMC Utrecht
Effectiveness of Repetitive Transcranial Magnetic Stimulation (rTMS) Treatment in Patients With Chronic Tinnitus
Tinnitus is a phantom auditory perception of meaningless sound, meaning that there is registration of sound in the absence of an external or internal acoustic stimulus.
It is a common problem (prevalence 7-19%) which may interfere with the ability to lead a normal life.
Unfortunately, it is a very difficult symptom to treat because there are hardly any therapeutic options for the cause of tinnitus.
Most therapies focus on alleviating the condition rather than treating the cause.
Tinnitus is thought to be generated in the brain, as a result of functional reorganization of auditory neural pathways and tonotopic maps in the central auditory system, following damage to the peripheral auditory system.
Repetitive Transcranial magnetic stimulation (rTMS) is a therapy, based on this concept of reorganization in the auditory cortex.
It uses a pulsed magnetic field to disrupt the neural circuit and to thereby (temporarily) excite or inhibit certain brain areas, leading to the suppression of tinnitus.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Actual)
52
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Utrecht, Netherlands, 3584 CX
- University Medical Center Utrecht
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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
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Chronic, non fluctuating, tinnitus, demonstrated by means of the diagnostic Protocol Tinnitus UMCU, of at least two months duration.
- Age ≥18 years
- Dutch speaking
Exclusion Criteria:
- Treatable cause of the tinnitus
- Use of anticonvulsant medication or other psychotherapeutic drugs
- History of epilepsy or family members with epilepsy
- Presence of active migraine
- Presence of psychiatric, severe internal or heart diseases or other neurologic diseases besides epilepsy
- Metal objects in and around body that can not be removed
- Pregnancy (will be tested on the first day of rTMS using a urine pregnancy test)
- Alcohol or drug abuse
- Prior treatment with TMS
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: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: 1
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Neuronavigated rTMS will be applied bilaterally to the auditory cortices, which will be identified through a structural MRI scan.
Stimulation will be performed with 1 Hz frequency and an intensity of 110% motor threshold for 2000 stimuli (32 minutes) on each side, on five subsequent days.
Other Names:
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Sham Comparator: 2
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The official sham stimulator for the magstim rapid2 will be used.
Sham stimulation will follow the same placement protocol and will also last 2x32 minutes on five subsequent days
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Tinnitus severity with the Tinnitus Questionnaire
Time Frame: after treatment, 1 week, 1, 3 and 6 months
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after treatment, 1 week, 1, 3 and 6 months
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Tinnitus Handicap Inventory
Time Frame: after treatment, 1 week, 1, 3 and 6 months
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after treatment, 1 week, 1, 3 and 6 months
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Beck Depression Inventory
Time Frame: after treatment, 1 week, 1, 3 and 6 months
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after treatment, 1 week, 1, 3 and 6 months
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State Trait Anxiety Index
Time Frame: after treatment, 1 week, 1, 3 and 6 months
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after treatment, 1 week, 1, 3 and 6 months
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Visual Analog Scales on burden, loudness, pitch, presence, and variability of tinnitus and specific problems.
Time Frame: for the first three months daily and for the second three months monthly
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for the first three months daily and for the second three months monthly
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Audiometry and tinnitus analysis (character match, pitch match, loudness match, minimal masking level, residual inhibition)
Time Frame: 1 week after treatment and after 3 and 6 months
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1 week after treatment and after 3 and 6 months
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Bert A van Zanten, AuD, Dept. of Otorhinolaryngology, University Medical Center Utrecht
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
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
April 1, 2008
Primary Completion (Actual)
June 1, 2011
Study Completion (Actual)
June 1, 2011
Study Registration Dates
First Submitted
April 25, 2008
First Submitted That Met QC Criteria
April 25, 2008
First Posted (Estimate)
April 29, 2008
Study Record Updates
Last Update Posted (Estimate)
June 30, 2011
Last Update Submitted That Met QC Criteria
June 29, 2011
Last Verified
June 1, 2011
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- rTMS_tinnitus_Utrecht
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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