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Intoxication mortelle par prise massive de buprénorphineFatal intoxication following self-administration of massive dose of buprenorphine
(1) Service de
Pharmacologie et Toxicologie, CHRU Dupuytren, 2, avenue Martin Luther King 87042 LIMOGES
Cedex
Plusieurs emballages
de médicaments, parmi lesquels des boîtes de Subutex, ont été découverts près du
corps d'un jeune homme de 25 ans, toxicomane, s'étant apparemment suicidé. L'autopsie a
révélé qu'une dépression respiratoire était vraisemblablement à l'origine du
décès.
Several drug packages, among which Subutex (high-dose buprenorphine, as sublingual tablets) boxes were found near the corpse of a 25 year-old, drug addict male, who apparently committed suicide. The autopsy revealed a fatal respiratory depression. The toxicological investigation concluded to a massive burprenophine intoxication. The determination of'buprenorphine (BU) and norbuprenorphine (NBU) in all biological specimen was performed by liquid chromatography-electrospray-mass spectrometry (LC-ES-MS) after hydrolysis of solid tissues and deproteination of the matrices or of liquid samples and solid-phase extraction of the compounds of interest. Exceptionally high concentrations of BU and NBU were found in blood (3.3 and 0.4 mg/l respectively), urine(3.4 and 0.6 mg/l), bile (2 035 and 536 mg/l) and brain (6.4 and 3.9 µg/g). The high concentration of BU (899 mg/l) and the absence of NBU in gastric liquid suggest oral intake.High concentrations of amino-7-flunitrazepam, the main metabolite of flunitrazepam, were also found in blood, urine and gastric liquid. This benzodiazepine may have aggravated the toxic effects of BU.
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