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TinnitusNCT02617953

Objective Diagnosis Method and Efficacy of Repetitive Transcranial Magnetic Stimulation as a Treatment for Tinnitus

A study testing Active rTMS(A) and Active rTMS(B) in people with Tinnitus, run by Seoul National University Hospital at 1 site in South Korea.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Investigation of objective tinnitus diagnosis method through measurement of continuous resting EEG, auditory ERP before and after Repetitive Transcranial Magnetic Stimulation (rTMS) treatment of tinnitus. Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Tinnitus
What is being tested?
Active rTMS(A) and Active rTMS(B)
Type of treatment
Medical device
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
80 participants
Where
1 siteSouth Korea
Study dates
Sep 2015to Sep 2021
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Diagnosis of chronic tinnitus
  • Chronic subjective tinnitus for more than 6 months
  • Subject is naive regarding rTMS
  • Other concurrent treatments: A four-week washout from any other tinnitus treatment or management program is required prior to entering this study
  • Stable enough to complete this study per the opinion of the Study Physician
  • No restrictions, provided the dosages have been in place for at least 3 months
  • A three month washout from any other tinnitus treatment or management program is required prior to entering this study.

Who cannot join

  • Objective tinnitus or tinnitus with treatable cause
  • Presence of intracranial or intraocular ferromagnetic materiel or particles
  • Cardiac pacemaker or other electronic implants (including cochlear implant) Serious heart disease or other unstable major medical condition
  • Personal history of central nervous system disorder, head injury, stroke or seizures
  • Familial history of epilepsy
  • Concomitant medication with antidepressants and antipsychotics
  • Pregnant women
  • Others known contraindications to rTMS or brain MRI

Trial locations and contacts

1 site in 1 country.

South Korea1 site
  • Seoul National University Hospital

    Seoul, 110-744

Other trials in South Korea

About this study

Official title: Variable Changes in Continuous Resting EEG(Electroencephalography) and Auditory ERP(Event-related Potential) Before and After Transcranial Magnetic Stimulation Treatment; Double Blind Randomized Controll Trails

Investigation of objective tinnitus diagnosis method through measurement of continuous resting EEG, auditory ERP before and after Repetitive Transcranial Magnetic Stimulation (rTMS) treatment of tinnitus.

Read the detailed description

Tinnitus is defined as the subjective perception of a sound in the absence of any physical sound. Therefore, accurate diagnosis of tinnitus is so difficult.

So, Investigators measure auditory ERP through autonomously developed system to make a objective diagnosis tinnitus. Moreover, patients undergo continuous resting EEG measurement.

In this study investigators examined the efficacy of rTMS treatment for tinnitus and check into changes in brain connectivity or auditory task with ERP, continuous resting EEG before and after rTMS. And develop a new test that can detect tinnitus objectively in humans, using the prepulse gap paradigm

Conditions
Tinnitus
Being tested
Active rTMS(A), Active rTMS(B), Sham condition(C)
Keywords
Tinnitus, EEG, ERP
Medical subject headings
Tinnitus

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Active rTMS(A)Device

    repetitive transcranial magnetic stimulation:1000 stimuli of 1Hz rTMS over the left dorsolateral prefrontal cortex followed by 2000 stimuli of 1 Hz rTMS over the left primary auditory cortex , each consisting of 4 days of rTMS treatment.

    auditory ERP,continuous resting EEG and MRI are measured pre-treatment rTMS and auditory ERP,continuous resting EEG are measured two weeks after rTMS treatment. Tinnitus subjects were asked to perform an interval duration paried pulse task before and after the rTMS train.

  • Active rTMS(B)Device

    repetitive transcranial magnetic stimulation:1000 stimuli of 1Hz rTMS over the left dorsolateral prefrontal cortex followed by 2000 stimuli of 1 Hz rTMS over the left primary auditory cortex , each consisting of 4 days of rTMS treatment.

    auditory ERP,continuous resting EEG and MRI are measured pre-treatment rTMS and auditory ERP,continuous resting EEG are measured two weeks after rTMS treatment. Tinnitus subjects were asked to perform an interval duration paried pulse task before and after the rTMS train.

  • Sham condition(C)Device

    The sham stimulation looks and sounds like the active coil, but diverts the magnetic field away from the patient.

    auditory ERP,continuous resting EEG and MRI are measured pre-treatment rTMS and auditory ERP,continuous resting EEG are measured two weeks after rTMS treatment. Tinnitus subjects were asked to perform an interval duration paried pulse task before and after the rTMS train.

Study groups in NCT02617953
Study groupRoleWhat they receive
Active rTMS(A)Experimentallow frequency frontal and temporal repetitive transcranial magnetic stimulation
Receives: Device: Active rTMS(A)
Active rTMS(B)ExperimentalTemporal low frequency repetitive transcranial magnetic stimulation
Receives: Device: Active rTMS(B)
Sham condition(C)Sham comparatorlow frequency frontal and temporal repetitive transcranial magnetic stimulation
Receives: Device: Sham condition(C)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change of Tinnitus Handicap Inventory (THI) before and after treatment , difference in brain gating and connectivity before and after treatment.

    Measured: Change from Baseline THI at 6 months

Secondary outcomes (5)
  1. Change of Visual Analogue Scale (VAS) for tinnitus states before and after treatment.

    Measured: Change from Baseline VAS at 6 months

  2. Positive And Negative Affect Schedule(PANAS)

    Measured: Baseline, 1, 2 and 3 month after the first intervention

  3. Beck's Depression Inventory (BDI)

    Measured: Baseline

  4. State-Trait Anxiety Inventory (STAI)

    Measured: Baseline

  5. Pittsburgh Sleep Quality Index (PSQI)

    Measured: Baseline

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 Dec 2015 (estimated)
  2. Study startSep 2015
  3. Primary completionSep 2020 (estimated)
  4. Study completionSep 2021 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Care provider, Outcomes assessor
Enrolment
80 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02617953
Sponsor's protocol ID
A-199-08-14
Status last verified
Oct 2018
First submitted
28 Oct 2015
Last updated
9 Oct 2018
Results posted
No
Data monitoring committee
Yes
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Active rTMS(A) and Active rTMS(B) in people with Tinnitus, run by Seoul National University Hospital at 1 site in South Korea.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 7 inclusion and 8 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 9 Oct 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change of Tinnitus Handicap Inventory (THI) before and after treatment , difference in brain gating and connectivity before and after treatment. (time frame: Change from Baseline THI at 6 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Oct 2018.

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