The purpose is to assess the response of add-on therapy, based on CGI-I scale, at 4 weeks, in patients with MDD who had an inadequate disease control with antidepressant medication.

A cross-sectional observational study to describe treatment management of patients with Major Depressive Disorder (MDD) and inadequate response to antidepressants in Greece

Inclusion Criteria:

• Diagnosis of MDD as per DSM-IV
• Patients with an inadequate disease control during antidepressant therapy
• Patients who already receive add-on therapy and have completed 4-5 weeks of treatment at the time of their enrolment in the study.

Exclusion Criteria:

• Patients fulfilling criteria for diagnosis of any other psychiatric condition (except for MDD), as per DSM-IV Axis I,
• Concomitant organic mental disorder or mental retardation Substance abuse or dependence (with the exception of nicotine dependence), as defined by DSM-IV criteria Participation in another study

Psychiatric patients