Dallas 2K: A Natural History Study of Depression

The primary objective of this initiative is to implement a prospective study that will allow us to identify and validate biosignatures of response to treatments for depression and depression outcome (using an integrated array of participant specific data: socio-demographic, lifestyle, clinical and behavioral assessments, fluid-based biomarkers, genomics, neuroimaging, EEG, and cell-based assays) in a longitudinal cohort of subjects with elevated symptoms of a depressive disorder. Symptom remission across various treatment options will be assessed using questionnaires for symptom changes, antidepressant treatment tolerability and overall quality of life. Other outcomes generated from this study will include rate of change in quantitative measures of brain function, of depression relevant brain regions correlated with systems-levels behavior and other functional neuro-circuitry MRI measures. Rate of change of specified biochemical biomarkers will also be assessed. Integration of these measures will provide an unmatched understanding into the mechanisms of depression and hold tremendous promise for better disease treatment and associated outcomes.