ArticleNeuropharmacology2018
Methodology for controlled administration of smoked synthetic cannabinoids JWH-018 and JWH-073.
Article in Neuropharmacology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors.
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Abstract
Synthetic cannabinoids (SCs) are a significant public health concern given their widespread use and severe effects associated with intoxication. However, there is a paucity of controlled human studies investigating the behavioral and physiological effects and pharmacokinetics of these compounds. Designing a reliable method to administer consistent, concentration-dependent synthetic cannabinoids is an integral component of controlled study of these compounds. Further, optimizing methods to assess the parent compounds and metabolites in plasma is critical in order to be able to establish their pharmacokinetics after administration. To develop a reliable method to administer smokable, concentration-dependent SCs, cigarettes were prepared with plant matter adulterated with increasing concentrations of the first generation cannabinoids found in SC products, JWH-018 and JWH-073. Cigarettes were assessed 1-6 months after preparation using ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) to determine compound stability over time and concentration consistency throughout the cigarettes. Optimal conditions to detect metabolites in human plasma as a function of storage temperature (-4 °C to -80 °C) and time (24 h - 1 month) were also determined. Analyses verified that the method utilized to develop SC cigarettes yielded consistent, concentration-dependent products within 25% of the expected concentrations. JWH-018, JWH-073 and metabolites in spiked plasma were stable under the time and temperature conditions; concentrations were within ±20% of target values. These studies provide techniques and methods to conduct controlled investigations of the dose-dependent effects of first generation SCs to begin understanding risks associated with use. This article is part of the Special Issue entitled 'Designer Drugs and Legal Highs.'
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