The Efficacy and Safety of tDCS in Patients With Mild to Moderate Major Depressive Disorder

Inclusion Criteria: * Has a diagnosis of a major depressive disorder as confirmed by the DSM-V and MINI (without psychotic features) * Patients with a K-BDI-II score of 14 or more and 28 or less * In the case of patients who have previously administered antidepressants, antipsychotics, and anticonvulsants for at least 1 week, Patients with sufficient drug treatment periods of at least 5 times the drug half-life. Exclusion Criteria: * Patients diagnosed with Axis I disorders other than major depressive disorder * Patients diagnosed with other depressive disorders besides major depressive disorder * Patients who have attempted suicide within 6 months of screening * Patients who are considered to have problems with EEG and DC stimulation electrode attachment due to scalp deformity, inflammatory reaction, or other dermatological problems * Patients judged to have other reasons for prohibition of use of tDCS medical devices * Patients currently taking antidepressants