Unipolar Major Depressive Episode
Conditions
Brief summary
The purpose of the study is to establish the optimum treatment strategy for first-line and second-line antidepressants in the acute phase treatment of major depression.
Interventions
Sertraline 50 mg/d or 100 mg/d for 6 more weeks
Augment with or switch to mirtazapine 15-45 mg/d
Sponsors
Study design
Eligibility
Inclusion criteria
* non-psychotic unipolar major depressive episode (Diagnostic and Statistical Manual, Fourth Edition \[DSM-IV\]) in the preceding month * age 25-75 * starting treatment with sertraline clinically indicated * tolerability to sertraline 25 mg/d ascertained * can understand and sign informed consent form * can be contacted by telephone for symptom severity and adverse events
Exclusion criteria
* have received antidepressants, mood stabilizers, antipsychotics, psychostimulants, electroconvulsive therapy (ECT) or depression-specific psychotherapies in the preceding month * history of schizophrenia, schizoaffective disorder or bipolar disorder * current dementia, borderline personality disorder, eating disorder or substance dependence * physical disease interfering with sertraline or mirtazapine treatment * allergy to sertraline or mirtazapine * terminal physical illness * currently pregnant or breast-feeding * high risk of imminent suicide * requiring compulsory admission * expected to change doctors within 6 months * cohabiting relatives of research staff * cannot understand Japanese
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Observer-rated depression severity (PHQ-9) | 9 weeks | Personal Health Questionnaire-9 is a 9-item structured interview to measure depression severity. It will be rated by blinded telephone interview. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Self-rated depression severity (BDI-II) | 9 weeks | Beck Depression Inventory-II is a 21-item self-report of depression severity. It will be filled in by the patients themselves. |
| Global rating of side effects (FIBSER) | 9 weeks | FIBSER stands for Frequency, Intensity and Burden of Side Effects Rating, which is an observer-rated global rating of side effects. |
Countries
Japan