• J R Soc Med · Oct 2016

    Review Meta Analysis

    Precursors to suicidality and violence on antidepressants: systematic review of trials in adult healthy volunteers.

    • Andreas Ø Bielefeldt, Pia B Danborg, and Peter C Gøtzsche.
    • Nordic Cochrane Centre, Rigshospitalet, 2100 Copenhagen Ø, Denmark.
    • J R Soc Med. 2016 Oct 1; 109 (10): 381-392.

    ObjectiveTo quantify the risk of suicidality and violence when selective serotonin and serotonin-norepinephrine reuptake inhibitors are given to adult healthy volunteers with no signs of a mental disorder.DesignSystematic review and meta-analysis.Main Outcome MeasureHarms related to suicidality, hostility, activation events, psychotic events and mood disturbances.SettingPublished trials identified by searching PubMed and Embase and clinical study reports obtained from the European and UK drug regulators.ParticipantsDouble-blind, placebo-controlled trials in adult healthy volunteers that reported on suicidality or violence or precursor events to suicidality or violence.ResultsA total of 5787 publications were screened and 130 trials fulfilled our inclusion criteria. The trials were generally uninformative; 97 trials did not report the randomisation method, 75 trials did not report any discontinuations and 63 trials did not report any adverse events or lack thereof. Eleven of the 130 published trials and two of 29 clinical study reports we received from the regulatory agencies presented data for our meta-analysis. Treatment of adult healthy volunteers with antidepressants doubled their risk of harms related to suicidality and violence, odds ratio 1.85 (95% confidence interval 1.11 to 3.08, p = 0.02, I2 = 18%). The number needed to treat to harm one healthy person was 16 (95% confidence interval 8 to 100; Mantel-Haenszel risk difference 0.06). There can be little doubt that we underestimated the harms of antidepressants, as we only had access to the published articles for 11 of our 13 trials.ConclusionsAntidepressants double the occurrence of events in adult healthy volunteers that can lead to suicide and violence.© The Royal Society of Medicine.

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