Safety reports on the off-label use of baclofen for alcohol-dependence: recommendations to improve causality assessment (Expert Opinion on Drug Safety, 2016).
Autoren: B. Rolland, M. Auffret & N. Franchitto
(pn, 23.03.2016)
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Abstract im englischen Original
The off-label use of high-dose baclofen (HDB) for alcohol-dependence has recently spread. However, HDB has been associated with numerous reports of adverse events (AEs). Pharmacovigilance reporting is supposed to differentiate AEs from adverse drug reactions (ADRs), for which the causality of the drug is determined using validated methods. Areas covered: Since 2010, we found 20 publications on baclofen-related AEs in alcohol dependence, in Medline-referenced journals or national pharmacovigilance reports. We focused on whether these reports used causality algorithms, and provided essential elements for determining baclofen causality and excluding the involvement of alcohol and other psychoactive substances or psychotropic drugs. In half of the cases, no causality algorithm was used. Detailed information on baclofen dosing was found in 17 out of 20 (85%) articles, whereas alcohol doses were given only in 10 (50%) publications. Other psychoactive substances and psychotropic drugs were broached in 14 (70%) publications. Expert opinion: future publications reporting suspected HDB-induced ADRs should use validated causality algorithms and provide sufficient amount of contextual information for excluding other potential causes. For HDB, the psychiatric history, and the longitudinal description of alcohol consumptions and associated doses of psychoactive substances or psychotropic medications should be detailed for every reported case.
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