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Objective. Patients with both major depression and personality disorders have a high risk of suicidal behavior. Lithium is meant to have anti-suicidal properties in patients with affective disorders. The anti-suicidal effect of lithium in patients with affective disorders and comorbid personality disorders has not been investigated yet. Methods. A post-hoc analysis of a subsample of patients with depression and comorbid personality disorder (PD) and a recent suicide attempt ( n = 19) from the prospective, placebo-controlled lithium intervention study ( N = 167), was conducted. Results. Three patients in the lithium group ( n = 8) and two patients in the placebo group ( n = 11) presented a suicide attempt throughout the course of the study. No differences related to suicidal behavior could be detected between the placebo group and the group with lithium intervention. Conclusions. On the basis of the small sample size, among patients with comorbid PD, lithium does not seem to have an effect on suicidal behavior in contrast to patients with affective disorders without comorbid PD. [ABSTRACT FROM AUTHOR]

The article reviews the existing evidence and the concept of the anti-suicidal effect of lithium long-term treatment in bipolar patients. The core studies supporting the concept of a suicide preventive effect of lithium in bipolar patients come from the international research group IGSLI, from Sweden, Italy, and recently also from the U.S. Patients on lithium possess an eight- time lower suicide risk than those off lithium. The anti-suicidal effect is not necessarily coupled to lithium's episode suppressing efficacy. The great number of lives potentially saved by lithium adds to the remarkable benefits of lithium in economical terms. The evidence that lithium can effectively reduce suicide risk has been integrated into modern algorithms in order to select the optimal maintenance therapy for an individual patient. [ABSTRACT FROM AUTHOR]

Several studies have shown that there is a significantly increased risk of suicide related mortality in patients with a positive history of suicide attempts. The SUPLI-Study is the first prospective, randomized, double blind, placebo controlled multi-center trial focusing on the proposed suicide preventive effects of lithium in patients with suicidal behavior but not suffering from bipolar disorder or recurrent major depressive disorder. Patients with a recent history of a suicide attempt are treated with lithium versus placebo during a 12 month period. The hypothesis is that lithium treatment will lead to a 50% reduction of suicidal behavior. The protocol of the study and preliminary results are presented. [ABSTRACT FROM AUTHOR]