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Antidepressant-induced mania: an overview of current controversies
Joseph F Goldberg1, Christine J Truman
1Department of Psychiatry Research, The Zucker Hillside Hospital, Glen Oaks, NY 11004, USA. jgoldber1@lij.edu
Objective:
The prevalence, characteristics, and possible risk factors associated with antidepressant-induced mania remain poorly described. The present review sought to identify published rates of antidepressant-induced mania and describe risk factors for its emergence.
Methods:
A MedLine search was conducted of journals that focused on mania or hypomania associated with recent antidepressant use. Data from published reports were augmented with relevant findings from recent clinical trials presented at scientific conferences.
Results:
Antidepressant-induced manias have been reported with all major antidepressant classes in a subgroup of about 20-40% of bipolar patients. Lithium may confer better protection against this outcome when compared with other standard mood stabilizers, although switch rates have been reported with comparable frequencies on or off mood stabilizers. Evidence across studies most consistently supports an elevated risk in patients with (i) previous antidepressant-induced manias, (ii) a bipolar family history, and (iii) exposure to multiple antidepressant trials.
Conclusion:
About one-quarter to one-third of bipolar patients may be inherently susceptible to antidepressant-induced manias. Bipolar patients with a strong genetic loading for bipolar illness whose initial illness begins in adolescence or young adulthood may be especially at risk. Further efforts are needed to better identify high-vulnerability subgroups and differentiate illness-specific from medication-specific factors in mood destabilization.
Insights
Antidepressant-induced mania affects 20-40% of bipolar patients. Risk factors include prior antidepressant-induced mania, family history, and multiple antidepressant trials.
Area of Science:
- Psychiatry
- Pharmacology
- Mood Disorders
Background:
- Antidepressant-induced mania prevalence and risk factors are not well-defined.
- Understanding these factors is crucial for managing bipolar disorder.
Purpose of the Study:
- To review published rates of antidepressant-induced mania.
- To identify risk factors associated with antidepressant-induced mania.
Main Methods:
- Conducted a MedLine search for studies on mania/hypomania linked to antidepressant use.
- Included data from published reports and scientific conference presentations.
Main Results:
- Antidepressant-induced mania occurs in 20-40% of bipolar patients across all major antidepressant classes.
- Elevated risk is associated with prior antidepressant-induced mania, bipolar family history, and multiple antidepressant trials.
- Lithium may offer some protection, but switch rates are similar with or without mood stabilizers.
Conclusions:
- Approximately 25-33% of bipolar patients are susceptible to antidepressant-induced mania.
- Bipolar patients with genetic predisposition, early onset, and adolescent/young adult illness onset are at higher risk.
- Further research is needed to identify high-risk subgroups and distinguish illness- from medication-specific factors.
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