Transcranial Direct Current Stimulation to Treat Major Depressive Disorder

An Open-label, Crossover Study on Major Depressive Disorder Using Transcranial Direct Current Stimulation

The investigators purpose is to offer active Transcranial Direct Current Stimulation (tDCS) in patients of the investigators previous study who received either placebo or sertraline and have not responded.

Inclusion criteria:

Patients from a previous study (ID:USP-HU-001) who:

• received sertraline and did not respond.
• received placebo and did not respond.

Exclusion criteria:

Patients from a previous study who:

• received active tDCS.
• responded.