Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title:
Brief Summary:
The aim of this study is to develop a scale to measure the severity of depression with psychotic symptoms (psychotic depression). Furthermore, we hope to detect potential biomarkers (substances in the blood) which can aid in the detection of psychotic depression.
Main hypothesis: A clinically valid rating scale measuring the severity of psychotic depression can be developed.