TY - JOUR PY - 2017// TI - Intoxication caused by new psychostimulants: analytical methods to disclose acute and chronic use of benzofurans and ethylphenidate JO - International journal of legal medicine A1 - Barceló, Bernardino A1 - Gomila, Isabel A1 - Rotolo, Maria Concetta A1 - Marchei, Emilia A1 - Kyriakou, Chrystalla A1 - Pichini, Simona A1 - Roset, Carolina A1 - Elorza, Miguel Ángel A1 - Busardò, Francesco Paolo SP - 1543 EP - 1553 VL - 131 IS - 6 N2 - The acute and chronic toxicity of several new psychoactive substances (NPS) is unknown, and only little information is available on the pharmacology and toxicology, toxicokinetics, and detectability in body samples of such new compounds. We here propose analytical methods to disclose acute and chronic use of two types of new psychostimulants: benzofurans and ethylphenidate and we applied them to a real case of a subject attending Emergency Department with signs of acute intoxication due to psychotropic drug(s). After a urinary immunoassay screening which gave a positivity to amphetamines, general unknown gas chromatography-mass spectrometry (GC-MS) urine analysis identified 5-(2-methylaminopropyl)benzofuran (5-MAPB), 5-(2-aminopropyl)benzofuran (5-APB), 5-(2-ethylaminopropyl)benzofuran (5-EAPB), ethylphenidate, and ritalinic acid. All these substances were confirmed and quantified not only in urine but also in serum samples at different times after hospitalization by GC-MS and ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS). Two subsequent 2-cm hair segments were also analyzed and tested positive for the above reported substances, evidencing repeated use. The matching quantitative results in all the analyzed biological matrices demonstrated that both analytical methodologies were suitable to correctly quantify NPS involved in the current intoxication. The objective assessment of acute and chronic intoxication by the above reported compounds demonstrate that the development of analytical methods aiming at the detection of a broad spectrum of compounds in conventional and non-conventional biological matrices is helpful when facing the new challenging threat of intoxications caused by NPS.

Language: en

LA - en SN - 0937-9827 UR - http://dx.doi.org/10.1007/s00414-017-1648-9 ID - ref1 ER -