Efficacy Analysis of Personalized-Target Transcranial Magnetic Stimulation (TMS) in the Treatment of Chronic Tinnitus: A Single-Center, Single-Blind Randomized Clinical Trial

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-80
SponsorSun Yat-Sen Memorial Hospital of Sun Yat-Sen University

About this trial

The goal of this clinical trial is to evaluate the efficacy and safety of personalized-target transcranial magnetic stimulation (TMS) in the treatment of chronic subjective tinnitus. The study aims to determine whether stimulation at individualized auditory cortex targets, identified by resting-state functional MRI, provides greater therapeutic benefit compared with conventional TMS targets.

A total of 116 patients with chronic tinnitus will be recruited and randomly assigned to receive either personalized-target TMS or traditional-target TMS for five consecutive days.

The main questions this study aims to answer are:

Does personalized-target TMS improve tinnitus-related symptoms more effectively than traditional-target TMS?

Is personalized-target TMS a safe and tolerable intervention for patients with chronic tinnitus?

Researchers will compare the changes in tinnitus-related clinical rating scales between the two groups, including the Tinnitus Handicap Inventory (THI), Visual Analog Scale (VAS), Beck Anxiety Inventory (BAI), Beck Depression Inventory (BDI), and Pittsburgh Sleep Quality Index (PSQI).

Participants will:

Receive continuous theta burst stimulation (cTBS) targeting the left auditory cortex region showing the strongest functional connectivity with the parahippocampal gyrus, identified through resting-state fMRI.

Undergo three cTBS sessions per day (600 pulses per session, 1,800 pulses total daily) for five days.

Complete follow-up assessments at 1 month and 3 months after treatment to evaluate the durability of clinical effects.

This study will also assess treatment adherence, safety outcomes, and potential predictors of therapeutic response to personalized-target TMS.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

1.Patients with tinnitus as the main complaint: Patients perceive subjective sounds in the ears or deep within the skull in the absence of internal or external acoustic stimulation.

Disqualifiers

1.Patients with tinnitus associated with the following conditions: conductive hearing loss, a history of middle ear surgery, pulsatile tinnitus caused by vascular malformations, or Meniere's disease.

Trial design

Design model

Parallel

Treatments tested in this trial

  • continuous theta burst stimulation

    Device

    This study evaluates personalized-target and conventional-target transcranial magnetic stimulation (TMS) for the treatment of chronic subjective tinnitus. Participants will receive continuous theta burst stimulation (cTBS) applied to the left auditory cortex. For the personalized-target arm, stimulation sites are individualized based on resting-state fMRI, targeting the region of strongest functional connectivity with the parahippocampal gyrus. For the conventional-target arm, stimulation is delivered at the CP5 site. Each session consists of 600 pulses, delivered in three sessions per day (1,800 pulses daily) for five consecutive days.

Treatment groups

116 Participants
are divided into 2 treatment groups
Group A: Personalized-Target TMS GroupExperimental treatment 1 intervention
Group B: conventional auditory cortex siteActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

the effective rate of chronic tinnitus relief in the two groups of patients before treatment and 5 days after treatment

It is defined as follows: Effective rate = \[(Number of patients in each group who completed the 5-day treatment and had a Tinnitus Handicap Inventory (THI) score decrease of ≥ 7 points from the baseline) / (Total number of patients in each group who completed the 5-day treatment)\] × 100%. The assessment time points for this outcome are before treatment (baseline) and 5 days after treatment.

Time frame
From enrollment to the end of treatment at 5 days

Secondary outcomes

1

Tinnitus Loudness

Change in tinnitus loudness, assessed using the Visual Analog Scale (VAS), which ranges from 0 (no tinnitus) to 10 (worst tinnitus imaginable).

Time frame
Baseline, post-treatment (day 5), 1-month follow-up, 3-month follow-up
2

Anxiety Symptoms

Change in anxiety symptoms, assessed using the Beck Anxiety Inventory (BAI), a self-reported questionnaire measuring severity of anxiety.

Time frame
Baseline, post-treatment (day 5), 1-month follow-up, 3-month follow-up
3

Depressive Symptoms

Change in depressive symptoms, assessed using the Beck Depression Inventory (BDI), a self-reported scale evaluating severity of depression.

Time frame
Baseline, post-treatment (day 5), 1-month follow-up, 3-month follow-up
4

Sleep Quality

Change in sleep quality, assessed using the Pittsburgh Sleep Quality Index (PSQI), which evaluates sleep quality and disturbances over a 1-month period.

Time frame
Baseline, post-treatment (day 5), 1-month follow-up, 3-month follow-up

Other outcomes

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