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Randomized Controlled Trial
. 2011 Apr;28(4):303-9.
doi: 10.1002/da.20758. Epub 2011 Feb 9.

Treatment-emergent suicidal ideation during 4 months of acute management of unipolar major depression with SSRI pharmacotherapy or interpersonal psychotherapy in a randomized clinical trial

P Rucci  1 , E Frank, P Scocco, S Calugi, M Miniati, A Fagiolini, G B Cassano
Affiliations
Randomized Controlled Trial

Treatment-emergent suicidal ideation during 4 months of acute management of unipolar major depression with SSRI pharmacotherapy or interpersonal psychotherapy in a randomized clinical trial

P Rucci et al. Depress Anxiety. 2011 Apr.

Abstract

Background: To date, few randomized controlled trials (RCTs) of major depression have examined suicidal ideation as an outcome measure. Our aim is to determine the incidence of treatment-emergent suicidal ideation (ESI) and behaviors during the acute phase of treatment with an SSRI antidepressant or interpersonal psychotherapy (IPT) in patients with unipolar major depression.

Methods: In a two-site RCT, 291 adult outpatients with nonpsychotic major depression and a Hamilton Depression Rating Scale (HDRS) score ≥15 were randomly allocated to IPT or SSRI. Participants who did not remit with monotherapy received augmentation with the other treatment. ESI was defined as a post-baseline HDRS suicidality item score ≥2 or a post-baseline Quick Inventory of Depressive Symptomatology (QIDS) score ≥2 in patients with a baseline score ≤1.

Results: Of the 231 participants who had no suicidal ideation at baseline, 32 (13.8%) subsequently exhibited ESI on at least one post-baseline visit. Time to suicidal ideation was significantly longer in patients allocated to SSRI compared to those allocated to IPT (HR = 2.21, 95% CI 1.04-4.66, P = .038), even after controlling for treatment augmentation, benzodiazepine use, and comorbidity with anxiety disorders. Worsening of suicidal ideation occurred in 7/60 patients who had suicidal ideation at baseline. In the large majority of cases, suicidal ideation was successfully managed with the study protocol.

Conclusions: In the context of careful monitoring and frequent contact, selective serotonin reuptake inhibitor (SSRI) was associated with a lower risk of ESI than IPT and both SSRI and IPT appeared to be safe treatments for patients with past suicide attempts, none of whom exhibited ESI during the study.

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Figures

Figure 1
Figure 1. Participant flow
Fig. 2
Fig. 2
Kaplan-Maier estimates of time to suicidal ideation in patients assigned to IPT and those assigned to SSRI.
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