Modeling of the Temporal Patterns of Fluoxetine Prescriptions and Suicide Rates in the United States
2006

Fluoxetine and Suicide Rates

publication Evidence: moderate

Author Information

Author(s): Milane Michael S, Suchard Marc A, Wong Ma-Li, Licinio Julio

Primary Institution: University of California Los Angeles

Hypothesis

Is there an association between antidepressant use and suicide rates at a population level?

Conclusion

The introduction of SSRIs in 1988 has been associated with a significant reduction in the number of suicides.

Supporting Evidence

  • Suicide rates fluctuated between 12.2 and 13.7 per 100,000 from the early 1960s until 1988.
  • Since the introduction of fluoxetine in 1988, suicide rates have gradually declined.
  • The study estimated that fluoxetine may have saved approximately 33,600 lives from suicide between 1988 and 2002.

Takeaway

This study found that using a specific antidepressant called fluoxetine might have helped reduce the number of people who commit suicide since it was introduced.

Methodology

The study analyzed age-adjusted suicide rates and fluoxetine prescription data from 1960 to 2002 using statistical modeling.

Potential Biases

The study could not rule out the possibility that fluoxetine treatment is associated with an increased risk of suicide in a smaller group of individuals.

Limitations

The analysis was across combined age groups and did not account for prescription data categorized by age or gender.

Participant Demographics

The study focused on the US population, with specific attention to trends in male and female suicide rates.

Statistical Information

P-Value

p < 0.001

Confidence Interval

22,400–45,000

Statistical Significance

p < 0.001

Digital Object Identifier (DOI)

10.1371/journal.pmed.0030190

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