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  • Title: Comparing augmentation with non-antidepressants over sticking to antidepressants after treatment failure in depression: a naturalistic study.
    Author: Köhler S, Unger T, Hoffmann S, Steinacher B, Fydrich T, Bschor T.
    Journal: Pharmacopsychiatry; 2013 Mar; 46(2):69-76. PubMed ID: 23093475.
    Abstract:
    INTRODUCTION: Non-response to an antidepressant monotherapy in unipolar depression is quite common. Therefore strategies for subsequent treatment steps are necessary. However, there is a lack of direct comparisons of these different strategies. In this naturalistic study we compared the outcome to different strategies after failure of the primary antidepressant treatment. METHODS: Failure of primary antidepressant monotherapy occurred in 135 patients. 98 of these patients have been administered 4 treatment strategies of the physicians' choice: lithium augmentation (Li-Augm), switching to another antidepressant (AD-Switch), combination of 2 antidepressants (AD-Comb) or augmentation with second generation antipsychotic (SGA-Augm). Primary outcome measure was the 17-item Hamilton rating scale for depression (HRSD). RESULTS: Patients who received Li-Augm or augmentation with SGAs showed significantly greater improvement in HRSD and BDI compared to patients with antidepressant switch or antidepressant combination. Remission rates for Li-Augm and SGA-Augm were 89.3% and 86.2% compared to 40.7% for AD-Switch and 42.9% for AD-Comb. DISCUSSION: Changing to another pharmacological class (Li-Augm or augmentation with SGAs) showed better treatment results than sticking to the class of antidepressants (AD-Switch and AD-Comb) after primary failure in response to antidepressant monotherapy in unipolar depression. The lack of randomization and absence of a non-response definition are design flaws. Controlled studies are required to confirm the findings of this trial.
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