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Published on: December 11, 2016
Prescribed drugs and violence: a case/noncase study in the French PharmacoVigilance Database
Nadège Rouve1, Haleh Bagheri, Norbert Telmon
1Service de Pharmacologie Clinique, Centre Midi-Pyrénées de PharmacoVigilance, de Pharmacoépidémiologie et d'Information sur les Médicaments, Centre Hospitalier Universitaire de Toulouse, Toulouse, France.
Aim:
Our aim was to identify prescribed drugs associated with violent behaviours using the French PharmacoVigilance Database (FPVD).
Methods:
All reports of adverse drug reactions (ADR) recorded in the FPVD between 1 January 1985 and 31 July 2008 and including the terms aggressiveness or violence were selected. We compared proportion of exposure to different drugs between cases (reports with violence) and noncases (other reports in the database).
Results:
Among 537 cases, 56 were included (48 men, mean age 46 years). Misuse was observed in ten cases (18%). In 25 cases (44.6%), a previous psychiatric history was documented. Main drugs involved were nervous system (63.6%) followed by respiratory (7.8%), alimentary tract and metabolism (7.8%), dermatological (5.2%) and anti-infective (5.2%) agents. Case/noncase analysis found an association with dopaminergic agonists (pergolide, pramipexole, bromocriptine, piribedil), benzodiazepines (alprazolam, bromazepam) and serotoninergic antidepressants (taken as a whole), but not antipsychotics or antiepileptics. Association was also found with varenicline, isotretinoin, interferon alpha-2b, rimonabant, benfluorex, topiramate and antiviral drugs (ribavirin, efavirenz).
Conclusion:
Dopaminergic agonists, benzodiazepines and serotoninergic antidepressants are the main pharmacological classes able to induce aggressive behaviour. This study also emphasises the putative role of other drugs less known to be involved in such ADR.
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