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Related Experiment Videos

Do antidepressants prevent suicide?

Lars Søndergård1, Kajsa Kvist, Per K Andersen

  • 1Department of Psychiatry, University Hospital of Copenhagen, Rigshospitalet, Copenhagen Ø, Denmark. l.s@rh.dk

International Clinical Psychopharmacology
|May 12, 2006
PubMed
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Continued use of antidepressants, particularly selective serotonin reuptake inhibitors (SSRIs), is linked to a lower suicide rate in Denmark. This finding supports the association between ongoing antidepressant treatment and reduced suicide risk.

Area of Science:

  • Pharmacology
  • Public Health
  • Epidemiology

Background:

  • Antidepressant use is rising in developed nations, concurrent with declining suicide rates.
  • Understanding the relationship between antidepressant treatment and suicide risk is crucial for public health.

Purpose of the Study:

  • To investigate the association between antidepressant treatment and suicide rates using nationwide Danish data.
  • To analyze the impact of continued versus single prescriptions of antidepressants on suicide risk.

Main Methods:

  • An observational cohort study utilizing linked national registers of antidepressant prescriptions and suicide records in Denmark (1995-1999).
  • Inclusion of 438,625 patients with antidepressant prescriptions and 1,073,862 individuals from the general population.

Related Experiment Videos

  • Comparison of suicide rates between patients with continued SSRI treatment and those with single prescriptions, and analysis of newer antidepressants.

    • Main Results:

    • Continued selective serotonin reuptake inhibitor (SSRI) treatment was associated with a significantly decreased suicide rate (RR=0.63; 95% CI=0.56-0.71) compared to single prescriptions.
    • A consistent decrease in suicide rate was observed with an increasing number of SSRI prescriptions.
    • Treatment with newer antidepressants (other than SSRIs) also showed a reduced suicide rate with continued use (RR=0.70; 95% CI=0.52-0.94).

    Conclusions:

    • Continued antidepressant treatment, including SSRIs and other newer agents, is associated with a reduced risk of suicide.
    • The findings suggest that adherence to antidepressant therapy may play a role in suicide prevention efforts.