NeuroSigma, a Los Angeles-based neuromodulation company, announced that a recent Phase I clinical trial revealed that external Trigeminal Nerve Stimulation (eTNS™) increased regional cerebral blood flow in brain regions associated with depression and mood regulation. eTNS™ was shown to be a potential therapy for depression, with significant reductions in depression severity during the 8-week adjunctive treatment period. These encouraging results have led to a Phase II double-blind trial with expected completion later this year... 
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