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Not yet recruitingNCT07529574Updated Apr 14, 2026

Efficacy and Safety of a Theta Burst Stimulation Protocol of Repetitive Transcranial Magnetic Stimulation in Treatment-Resistant Depression

An interventional study of antidepressant therapy and Active rTMS Theta Burst Stimulation in Major Depressive Disorder (MDD) and Depression - Major Depressive Disorder, sponsored by Jung-Sun Lee. Not yet recruiting at 1 site in South Korea. Open to participants aged 15 Years and older. Per ClinicalTrials.gov, last updated 2026-04-14.

Sponsored by Jung-Sun Lee · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
120
Allocation
Randomized
Ages
15 Years and older
Sex
All
01

Study summary

This study will evaluate the efficacy and safety of a theta burst stimulation (TBS) protocol of repetitive transcranial magnetic stimulation (rTMS) in adults with treatment-resistant depression. Participants will be randomized to either antidepressant treatment plus active rTMS TBS or antidepressant treatment plus sham stimulation for the first 10 sessions followed by active rTMS TBS for the next 10 sessions. The main objective is to compare the change in Hamilton Depression Rating Scale (HAM-D) total score after 10 treatment sessions between groups and to explore predictors of treatment response.

Read the detailed description

This is a prospective, multicenter, randomized, double-blind, exploratory clinical trial evaluating the efficacy and safety of rTMS theta burst stimulation (TBS) in patients with depression.

A total of 120 participants will be enrolled, including 80 adults (≥19 years) with treatment-resistant depression and 40 adolescents (15-17 years) with depressive disorders. Participants will be stratified by age group and randomized in a 1:1 ratio to one of two treatment arms.

In the combined treatment arm, participants will receive antidepressant therapy plus active bilateral sequential TBS (bsTBS) for 20 sessions over approximately 4 to 7 weeks. In the comparator arm, participants will receive antidepressant therapy plus sham stimulation for the first 10 sessions, followed by active TBS for the remaining 10 sessions.

The primary outcome is the change in depressive symptom severity after 10 treatment sessions, measured by HAM-D in adults and age-appropriate scales in adolescents. Secondary outcomes include sleep, cognitive function, global clinical improvement, social functioning, and neuroimaging biomarkers. Safety outcomes include adverse events and suicidal ideation assessments.

This study aims to explore the efficacy of TBS across different age groups and to identify predictors of treatment response.

02

Conditions studied

  • Major Depressive Disorder (MDD)
  • Depression - Major Depressive Disorder

Keywords

  • depression
  • major depressive disorder
  • Repetitive Transcranial Magnetic Stimulation
  • Theta Burst Stimulation
03

In context

Depressive Disorder, Major

2,741 studies on the registry are indexed under Depressive Disorder, Major; 559 are open to participants now.

This study's planned enrollment of 120 is above the median of 80 across 2,283 interventional studies indexed under Depressive Disorder, Major.

Browse Depressive Disorder, Major studies →

Lead sponsor

This is the only study on the registry with Jung-Sun Lee as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
15 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Age ≥15 years
  • Diagnosis of depressive disorder based on DSM criteria
  • Adults: treatment-resistant depression
  • Adolescents: depressive disorder requiring treatment
  • Moderate or greater depressive symptoms
  • Adults: HAM-D ≥17, MADRS ≥14
  • Adolescents: age-appropriate validated scale (e.g., CDRS-R)
  • Currently receiving or eligible for antidepressant treatment

Exclusion criteria

Exclusion Criteria:

  • Bipolar disorder, schizophrenia, or psychotic disorder
  • Substance use disorder (recent)
  • Neurological disorders (e.g., epilepsy, brain injury)
  • Severe medical illness
  • Metal implants or contraindications to TMS
  • Pacemaker or implanted device
  • Prior rTMS or ECT
  • Pregnancy
  • Any condition deemed unsuitable by investigator
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Outcomes assessor)
Enrollment
120 participants (estimated)

Study arms

  • Experimental
    Antidepressant + Active rTMS TBS

    Drug: antidepressant therapy · Device: Active rTMS Theta Burst Stimulation

  • Sham comparator
    Antidepressant + Sham then Active rTMS TBS

    Drug: antidepressant therapy · Device: Sham Stimulation

Interventions

  • Drugantidepressant therapy

    Participants continue their baseline antidepressant regimen. Changes are restricted except for safety reasons.

  • DeviceActive rTMS Theta Burst Stimulation

    Bilateral sequential TBS targeting the dorsolateral prefrontal cortex (left iTBS, right cTBS), delivered over 20 sessions.

  • DeviceSham Stimulation

    Sham stimulation is delivered for the first 10 sessions using coil positioning that prevents effective stimulation, followed by active rTMS TBS for the next 10 sessions.

06

What researchers measure

Primary outcomes

  1. Change in Depressive Symptom Severity

    Change in depressive symptom severity measured by the Hamilton Depression Rating Scale (HAM-D; range 0-52, higher scores indicate more severe depression)

    Time frame: Baseline and at 10 treatment sessions (~ 2 weeks)

07

Study locations

1 site
  • Asan Medical Center
    Seoul, 05530, South Korea
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 14, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07529574
Lead sponsor
Jung-Sun Lee
Collaborators
Korea Health Industry Development Institute, Seoul National University Hospital, Nowon Eulji Medical Center, Seoul St. Mary's Hospital
Responsible party
Jung-Sun Lee (Professor, Department of Psychiatry, Asan Medical Center) — Sponsor-investigator
First posted
Apr 14, 2026
Start date
May 1, 2026 (estimated)
Primary completion
Dec 31, 2027 (estimated)
Completion
Dec 31, 2027 (estimated)
Last update
Apr 14, 2026

Study contacts

Jungsun Lee, MD, PhD
Contact
ljssmh@gmail.com
+82-2-3010-3422
Jungsun Lee, MD, PhD
principal investigator · Asan Medical Center

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Apr 2026. You cannot join it, but the record below documents what was studied.

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