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J Clin Psychiatry. 2016 Oct;77(10):e1262-e1269. doi: 10.4088/JCP.15m10075.

Time Course and Predictors of Suicidal Ideation During Citalopram Treatment in the STAR*D Trial.

Author information

1
Yale Child Study Center, Yale School of Medicine, New Haven, Connecticut, USA.
2
Child Study Center, Yale University School of Medicine, PO Box 2070900, New Haven, CT 06520. michael.bloch@yale.edu.
3
Department of Psychiatry, Yale School of Medicine, New Haven, Connecticut, USA.

Abstract

OBJECTIVE:

Selective serotonin reuptake inhibitors are first-line treatment for major depressive disorder (MDD), but their impact on suicidal ideation is equivocal. Our goal is to examine the time course and clinical predictors of citalopram-induced suicidal ideation during phase 1 of the Sequenced Treatment Alternatives to Relieve Depression (STAR*D) trial.

METHODS:

Of the 4,041 subjects with DSM-IV nonpsychotic MDD in the STAR*D trial phase 1 (2001-2006), we included in our analysis 3,577 subjects who reported side-effect data and had received citalopram (20-60 mg/d) for 8-14 weeks. Suicidal ideation was reported on item 12 of the Quick Inventory of Depressive Symptomatology, Self-Report. Survival analysis and receiver operating characteristic analysis were used to assess baseline characteristics associated with emergence and worsening of suicidal ideation.

RESULTS:

Suicidal ideation was more likely to occur early in citalopram treatment, with few subjects showing emergence or worsening occurring after 6 weeks of treatment. Clinical variables explained very little of the variance in worsening or emergence of suicidal ideation with citalopram treatment (generalized R² ≤ 2% in survival analysis). Being Hispanic, taking sedative medications, increased depression severity, absence of hypersomnia, and cardiac comorbidity were significantly (P ≤ .04) associated with greater likelihood of emergence of suicidal ideation in patients without suicidal ideation at baseline. Being widowed, better work performance, weight loss at baseline, and the presence of vascular or neurologic comorbidities were associated with a greater likelihood of worsening of suicidal ideation.

CONCLUSIONS:

Baseline clinical variables were poor predictors of emergence or worsening of suicidal ideation. As such, increased research focusing on clinical correlates rather than clinical predictors of suicidal ideation may be useful, as intervening events may be crucial in bringing about increased suicidality.

TRIAL REGISTRATION:

ClinicalTrials.gov identifier: NCT00021528.

PMID:
27631142
DOI:
10.4088/JCP.15m10075
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