 7. Currently taking any exclusionary medications i.e., antipsychotics, anticonvulsants, stimulants, dopaminergic agents, potential augmenting agents e.g., T3, SAMe, St. Johns Wort, lithium,. Gabapentin and pregabalin are allowed. Patients must have either no antidepressant treatment or stable for at least 4 weeks prior to screening. No dose changes are allowed during the study. Monoamine oxidase inhibitors are excluded. Concomitant use of trazodone up to 200 mg daily is allowed. In agreement with patients treating provider and under clinical monitoring, exclusionary drugs can be tapered and washed out prior to baseline visit. 