aiTBS for Relieving NSSI in Depressive Patients

This study is testing whether a type of non-invasive brain stimulation called accelerated intermittent theta burst stimulation (aiTBS) — which uses brief magnetic pulses to stimulate specific brain areas — can reduce self-harm behaviors in teenagers with depression or bipolar disorder. This approach is being explored as an add-on to existing psychiatric care. **You may be eligible if...** - You are between 12 and 18 years old - You have been diagnosed with major depression or bipolar disorder - You have engaged in self-harm (non-suicidal self-injury) at least 3 times in the past 3 months - You are currently receiving psychiatric care **You may NOT be eligible if...** - You use psychoactive drugs or alcohol - You have a severe physical disability that would prevent follow-up - You have another major mental illness in addition to your primary diagnosis - You have a metal implant in your head or skull that would make brain stimulation unsafe Talk to your doctor to see if this trial is right for you.