Study Status: Active, not recruiting
Recruit Status: Active, not recruiting
Study Type: Observational
Official Title: Epidemiology of Treatment Resistant Depression in the US: Analysis of Health Services Databases
Brief Summary: The purpose of this study is to describe the epidemiology of Treatment Resistant Depression (TRD) in the US, including the population incidence of TRD, and TRD as a proportion of Pharmacologically Treated Depression (PTD), and stratify the estimates by sex and age group, with separate estimates for the Medicaid population, the Medicare population, and the privately insured population. Anonymized participants data will be used for the analysis.