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The temperament and character inventory in major depression
G Marijnissen1, S Tuinier, A E S Sijben
1Vincent van Gogh Institute for Psychiatry, Stationsweg 46, 5803 AC, Venray, The Netherlands.
Journal of Affective Disorders
|July 16, 2002
Summary
This study found that personality traits, specifically harm avoidance, did not predict treatment response in patients with major depressive disorder. Antidepressant treatment reduced symptoms but did not alter these personality dimensions.
Area of Science:
- Psychiatry
- Clinical Psychology
- Pharmacology
Background:
- Major depressive disorder (MDD) is a significant mental health condition.
- Pharmacological treatments are a cornerstone of MDD management.
- Understanding personality's role in treatment response is crucial for personalized medicine.
Purpose of the Study:
- To investigate the relationship between personality traits, measured by the Temperament and Character Inventory (TCI), and antidepressant treatment response in non-bipolar MDD patients.
- To determine if TCI scores predict symptom reduction or change during treatment.
Main Methods:
- Patients with non-bipolar MDD completed the TCI before and after at least 6 weeks of antidepressant treatment.
- Symptomatology was assessed to measure treatment response.
- TCI scores were compared to Dutch normative data and analyzed for predictive value.
Main Results:
- Antidepressant treatment led to a 43% reduction in depressive symptomatology.
- Patients exhibited significantly higher harm avoidance scores compared to normative data, both pre- and post-treatment.
- TCI scores did not predict treatment response nor did they change during the study period.
Conclusions:
- The personality dimension of harm avoidance is a stable trait in this MDD patient group.
- Harm avoidance scores do not appear to predict responsiveness to antidepressant therapy.
- Further research may explore other personality facets or biomarkers for predicting treatment outcomes in MDD.