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Combined rTMS and Relaxation in Chronic Tinnitus (RELAX)

U

University of Regensburg (UR)

Status

Completed

Conditions

Chronic Tinnitus

Treatments

Device: Left DLPFC Butterfly Coil

Study type

Interventional

Funder types

Other

Identifiers

NCT01907022
Uni-Reg-Ti-CDC01-RELAX

Details and patient eligibility

About

Repetitive Transcranial Magnetic Stimulation in combination with relaxation therapy is used to modulate the neural pathways contributing to the perception and distress of phantom sounds.

Full description

Tinnitus is the phantom auditory perception of sound in the absence of an external or internal acoustic stimulus. It is a frequent problem which can interfere significantly with the ability to lead a normal life. One significant modulator of tinnitus is stress. Tinnitus has been shown to be generated in the brain, as a result of functional reorganization of auditory neural pathways and the central auditory system. Also non-auditory cortical areas of attention allocation and emotional processing was shown to be involved. Treatment remains difficult. The most effective treatment in chronic tinnitus is cognitive behavioral therapy including elements of relaxation therapy. Repetitive transcranial magnetic stimulation (rTMS) is also effective in treatment of tinnitus with moderate effect size. Pilot data were positive for low-frequency rTMS applied to the temporoparietal areas and high-frequency rTMS applied to the left frontal cortex. Newer findings indicate that exercise-combined non-invasive brain stimulation might show superior effects in contrast to rTMS or exercise alone. Combination of relaxation and two-sided (frontal and temporo-parietal) rTMS will be examined with regard to feasibility, safety and clinical efficacy in patients suffering from chronic tinnitus in a pilot trial.

Enrollment

42 patients

Sex

All

Ages

18 to 70 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Diagnosis of bothersome, subjective chronic tinnitus
  • Duration of tinnitus more than 6 months

Exclusion criteria

  • Objective tinnitus
  • Treatable cause of the tinnitus
  • Involvement in other treatments for tinnitus at the same time
  • Clinically relevant psychiatric comorbidity
  • Clinically relevant unstable internal or neurological comorbidity
  • History of or evidence of significant brain malformation or neoplasm, head injury
  • Cerebral vascular events
  • Neurodegenerative disorder affecting the brain or prior brain surgery
  • Metal objects in and around body that can not be removed
  • Pregnancy
  • Alcohol or drug abuse
  • Prior treatment with TMS

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

42 participants in 1 patient group

Left dorsolateral prefrontal cortex (DLPFC) Butterfly Coil
Experimental group
Description:
High frequency rTMS ( Alpine Biomed Mag Pro Option): 2000 stimuli of 20 Hz over the left DLPFC (each session), Butterfly-water-cooled-Coil, 110% motor threshold; followed by: low frequency rTMS ( Alpine Biomed Mag Pro Option) applied over left temporoparietal cortex, Butterfly-water-cooled-Coil (2000 Stimuli of 1 Hz each session), 110% motor threshold. Relaxation therapy during the 1Hz stimulation with external audio tape instructions.
Treatment:
Device: Left DLPFC Butterfly Coil

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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