Study Type: Interventional Study Design: Allocation: Randomized Endpoint Classification: Safety/Efficacy Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor) Primary Purpose: Treatment
Patients will be randomized to receive either real or sham-tDCS as well as anti-depressant drugs. tDCS will be applied over the left (anode) and right (cathode) dorsolateral prefrontal cortex (DLPFC). Patients will visit the hospital to get tDCS administrations 5 days a week for 2 weeks. They will be evaluated every 2 weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
96
transcranial Direct Current Stimulation (tDCS) 2mA for 30 min; 30 sec of ramp-up and -down; left (anode) and right (cathode) Dorsolateral prefrontal cortex (DLPFC)
transcranial Direct Current Stimulation (tDCS) 2mA for 30 sec; left (anode) and right (cathode) Dorsolateral prefrontal cortex (DLPFC)
Ybrain
Seoul, South Korea
Change in depressive symptoms as assessed by the Montgomery-Asberg Depression Rating Scale (MADRS)
Measured by Montgomery-Åsberg Depression Rating Scale (MADRS)
Time frame: from baseline to Week 6
Effect of tDCS on Depressive Symptoms as assessed by the Montgomery-Asberg Depression Rating Scale (MADRS)
The percentage of subjects whose MADRS score decreases over 50% against the base in week 6 after treatment.
Time frame: At 6 weeks after treatment.
Effect of tDCS on questionnaire results as assessed by the Montgomery-Asberg Depression Rating Scale (MADRS)
The percentage of subjects whose MADRS score is under 10 in week 6 after treatment.
Time frame: At 6 weeks after treatment
Average change in results for 2, 4, 6 weeks after treatment as assessed by the clinician-rated Clinical Global Impression-Severity of Illness Scale (CGISI)
Average change of CGISI at 2 weeks, 4 weeks and 6 weeks after treatment compare to the base respectively.
Time frame: At 2 weeks, 4 weeks and 6 weeks after treatment
Average change in results for 2, 4, 6 weeks after treatment as assessed by Korean-Beck Depression Inventory-II (K-BDI-II)
Average change of K-BDI-II at 2 weeks, 4 weeks and 6 weeks after treatment compare to the base respectively.
Time frame: At 2 weeks, 4 weeks and 6 weeks after treatment
Average change in results for 2, 4, 6 weeks after treatment as assessed by Korean-Beck Anxiety Depression Inventory (K-BAI)
Average change of K-BAI at 2 weeks, 4 weeks and 6 weeks after treatment compare to the base respectively.
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Time frame: At 2 weeks, 4 weeks and 6 weeks after treatment