While there are many antidepressants from which physicians can select based on efficacy and tolerability profile, evidence on effectiveness and safety outcomes of new antidepressants in real clinical practice among Korean MDD population is limited.
Hence, this study will explore the following primary, secondary objectives using national health insurance database :
1. Explore baseline characteristics and drug utilization patterns of 11 commonly used antidepressant therapy during 90 days of acute treatment phase
2. Explore drug utilization patterns such as therapy changes, medication compliance and recurrence relationship, and risk of adverse outcomes during maintenance phase
3. Choice of antidepressants and drug utilization patterns in patients with various comorbidities
4. The relationship of non-pharmacologic treatment and discontinuation, medication compliance
5. Choice of antidepressants by non-psychiatric specialty
