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Dvorácskó S, Körmöczi T, Sija É, Bende B, Weiczner R, Varga T, Ilisz I, Institóris L, Kereszty ÉM, Tömböly C, Berkecz R. Focusing on the 5F-MDMB-PICA, 4F-MDMB-BICA synthetic cannabinoids and their primary metabolites in analytical and pharmacological aspects. Toxicol Appl Pharmacol 2023; 470:116548. [PMID: 37182749 DOI: 10.1016/j.taap.2023.116548] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 05/02/2023] [Accepted: 05/07/2023] [Indexed: 05/16/2023]
Abstract
Nowadays, more and more new synthetic cannabinoids (SCs) appearing on the illicit market present challenges to analytical, forensic, and toxicology experts. For a better understanding of the physiological effect of SCs, the key issue is studying their metabolomic and psychoactive properties. In this study, our validated targeted reversed phase UHPLC-MS/MS method was used for determination of urinary concentration of 5F-MDMB-PICA, 4F-MDMB-BICA, and their primary metabolites. The liquid-liquid extraction procedure was applied for the enrichment of SCs.The pharmacological characterization of investigated SCs were studied by radioligand competition binding and ligand stimulated [35S]GTPγS binding assays. For 5F-MDMB-PICA and 4F-MDMB-BICA, the median urinary concentrations were 0.076 and 0.312 ng/mL. For primary metabolites, the concentration range was 0.029-881.02* ng/mL for 5F-MDMB-PICA-COOH, and 0.396-4579* ng/mL for 4F-MDMB-BICA-COOH. In the polydrug aspect, the 22 urine samples were verified to be abused with 6 illicit drugs. The affinity of the metabolites to CB1R significantly decreased compared to the parent ligands. In the GTPγS functional assay, both 5F-MDMB-PICA and 4F-MDMB-BICA were acting as full agonists, while the metabolites were found as weak inverse agonists. Additionally, the G-protein stimulatory effects of the full agonist 5F-MDMB-PICA and 4F-MDMB-BICA were reduced by metabolites. These results strongly indicate the dose-dependent CB1R-mediated weak inverse agonist effects of the two butanoic acid metabolites. The obtained high concentration of main urinary metabolites of 5F-MDMB-PICA and 4F-MDMB-BICA confirmed the relevance of their routine analysis in forensic and toxicological practices. Based on in vitro binding assays, the metabolites presumably might cause a lower psychoactive effect than parent compounds.
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Affiliation(s)
- Szabolcs Dvorácskó
- Laboratory of Chemical Biology, Institute of Biochemistry, Biological Research Centre, Temesvári krt. 62, Szeged, Hungary; Department of Medical Chemistry, Albert Szent-Györgyi Medical School, University of Szeged, Dóm tér 8, Szeged, Hungary
| | - Tímea Körmöczi
- Institute of Pharmaceutical Analysis, Faculty of Pharmacy, University of Szeged Somogyi, utca 4., Szeged, Hungary
| | - Éva Sija
- Department of Forensic Medicine, Albert Szent-Györgyi Health Centre, Kossuth Lajos sgt. 40., Szeged, Hungary
| | - Balázs Bende
- Department of Dermatology and Allergology, Albert Szent-Györgyi Health Center, H-6720 Szeged, Korányi fasor 6., Szeged, Hungary
| | - Roland Weiczner
- Department of Forensic Medicine, Albert Szent-Györgyi Health Centre, Kossuth Lajos sgt. 40., Szeged, Hungary
| | - Tibor Varga
- Drug Laboratory Szeged, Drug Investigation Department, Hungarian Institute for Forensic Sciences, Kossuth Lajos sgt. 22-24, Szeged, Hungary
| | - István Ilisz
- Institute of Pharmaceutical Analysis, Faculty of Pharmacy, University of Szeged Somogyi, utca 4., Szeged, Hungary
| | - László Institóris
- Department of Forensic Medicine, Albert Szent-Györgyi Health Centre, Kossuth Lajos sgt. 40., Szeged, Hungary
| | - Éva M Kereszty
- Department of Forensic Medicine, Albert Szent-Györgyi Health Centre, Kossuth Lajos sgt. 40., Szeged, Hungary
| | - Csaba Tömböly
- Laboratory of Chemical Biology, Institute of Biochemistry, Biological Research Centre, Temesvári krt. 62, Szeged, Hungary
| | - Róbert Berkecz
- Institute of Pharmaceutical Analysis, Faculty of Pharmacy, University of Szeged Somogyi, utca 4., Szeged, Hungary.
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Giorgetti A, Orazietti V, Busardò FP, Giorgetti R. Psychomotor performances relevant for driving under the combined effect of ethanol and synthetic cannabinoids: A systematic review. Front Psychiatry 2023; 14:1131335. [PMID: 36911125 PMCID: PMC9998479 DOI: 10.3389/fpsyt.2023.1131335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 02/08/2023] [Indexed: 02/26/2023] Open
Abstract
OBJECTIVE To determine whether the acute co-consumption of ethanol and synthetic cannabinoids (SCs) increases the risk of a motor vehicle collision and affects the psychomotor performances relevant for driving. DESIGN Systematic review of the literature. DATA SOURCES Electronic searches were performed in two databases, unrestricted by year, with previously set method and criteria. Search, inclusion and data extraction were performed by two blind authors. RESULTS Twenty articles were included, amounting to 31 cases of SCs-ethanol co-consumption. The impairment of psychomotor functions varied widely between studies, ranging from no reported disabilities to severe unconsciousness. Overall, a dose-effect relationship could not be observed. CONCLUSION Despite the biases and limitations of the literature studies, it seems likely that the co-consumption poses an increased risk for driving. The drugs might exert a synergistic effect on the central nervous system depression, as well as on aggressiveness and mood alterations. However, more research is needed on the topic.
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Affiliation(s)
- Arianna Giorgetti
- Department of Medical and Surgical Sciences, Unit of Legal Medicine, University of Bologna, Bologna, Italy
| | - Vasco Orazietti
- Department of Excellence of Biomedical Science and Public Health, University "Politecnica delle Marche" of Ancona, Ancona, Italy
| | - Francesco Paolo Busardò
- Department of Excellence of Biomedical Science and Public Health, University "Politecnica delle Marche" of Ancona, Ancona, Italy
| | - Raffaele Giorgetti
- Department of Excellence of Biomedical Science and Public Health, University "Politecnica delle Marche" of Ancona, Ancona, Italy
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Marusich JA, Gamage TF, Zhang Y, Akinfiresoye LR, Wiley JL. In vitro and in vivo pharmacology of nine novel synthetic cannabinoid receptor agonists. Pharmacol Biochem Behav 2022; 220:173467. [PMID: 36154844 PMCID: PMC9837865 DOI: 10.1016/j.pbb.2022.173467] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 09/19/2022] [Accepted: 09/20/2022] [Indexed: 01/17/2023]
Abstract
Synthetic cannabinoid receptor agonists (SCRAs) are novel psychoactive substances that bind to and activate CB1 receptors in the brain. The structural manipulations observed in newer SCRAs suggest that manufacturers have incorporated modern drug development techniques into their repertoire, often producing higher CB1 receptor affinity than Δ9-tetrahydrocannabinol (Δ9-THC). This study examined nine SCRAs recently detected by forensic surveillance, some of which caused fatalities: 5F-MDMB-PICA, FUB-144, 5F-MMB-PICA, MMB-4en-PICA, MMB-FUBICA, 5F-EDMB-PINACA, APP-BINACA, MDMB-4en-PINACA, and FUB-AKB48. Compounds were evaluated for CB1 and CB2 receptor binding affinity and functional activation and for their effects on body temperature, time course, and pharmacological equivalence with Δ9-THC in Δ9-THC drug discrimination in mice. All SCRAs bound to and activated CB1 and CB2 receptors with high affinity, with similar or greater affinity for CB2 than CB1 receptors and stimulated [35S]GTPγS binding in CB1 and CB2 expressing cell membranes. All compounds produced hypothermia, with shorter latency to peak effects for SCRAs than Δ9-THC. All SCRAs fully substituted for Δ9-THC in drug discrimination at one or more doses. Rank order potency in producing in vivo effects mostly aligned with rank order CB1 receptor affinities. Potencies for Δ9-THC-like discriminative stimulus effects were similar across sex except Δ9-THC was more potent in females and 5F-MMB-PICA was more potent in males. In summary, 5F-EMDB-PINACA, 5F-MDMB-PICA, MDMB-4en-PINACA, FUB-144, FUB-AKB48, 5F-MMB-PICA, MMB-4en-PICA, and MMB-FUBICA are potent and efficacious SCRAs with pharmacology like that of past SCRAs that have been abused in humans. In contrast, APP-BINACA was efficacious, but had lower potency than most past SCRAs.
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Affiliation(s)
- Julie A Marusich
- RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, USA.
| | - Thomas F Gamage
- RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, USA
| | - Yanan Zhang
- RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, USA
| | - Luli R Akinfiresoye
- United States Department of Justice, Drug Enforcement Administration, Diversion Control Division, Drug and Chemical Evaluation Section, 8701 Morrissette Drive, Springfield, VA 22152, USA
| | - Jenny L Wiley
- RTI International, 3040 Cornwallis Rd, Research Triangle Park, NC 27709, USA
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Wagmann L, Jacobs CM, Meyer MR. New Psychoactive Substances: Which Biological Matrix Is the Best for Clinical Toxicology Screening? Ther Drug Monit 2022; 44:599-605. [PMID: 35175247 DOI: 10.1097/ftd.0000000000000974] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 12/09/2021] [Indexed: 11/26/2022]
Abstract
BACKGROUND Every year, more new psychoactive substances (NPSs) emerge in the market of the drugs of abuse. NPSs belong to various chemical classes, such as synthetic cannabinoids, phenethylamines, opioids, and benzodiazepines. The detection of NPSs intake using different types of biological matrices is challenging for clinical toxicologists because of their structural diversity and the lack of information on their toxicokinetics, including their metabolic fate. METHODS PubMed-listed articles reporting mass spectrometry-based bioanalytical approaches for NPSs detection published during the past 5 years were identified and discussed. Furthermore, the pros and cons of using common biological matrices in clinical toxicology (CT) settings to screen for NPSs are highlighted in this review article. RESULTS Twenty-six articles presenting multianalyte screening methods for use in the field of CT were considered. The advantages and disadvantages of different biological matrices are discussed with a particular view of the different analytical tasks in CT, especially emergency toxicology. Finally, an outlook introduces the emerging trends in biosamples used in CT, such as the exhaled breath. CONCLUSIONS Blood and urine represent the most common biological matrices used in a CT setting; however, reports concerning NPSs detection in alternative matrices are also available. Noteworthy, the selection of the biological matrix must depend on the clinician's enquiry because the individual advantages and disadvantages must be considered.
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Affiliation(s)
- Lea Wagmann
- Department of Experimental and Clinical Toxicology, Institute of Experimental and Clinical Pharmacology and Toxicology, Center for Molecular Signaling (PZMS), Saarland University, Homburg, Germany
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Janssens LK, Hudson S, Wood DM, Wolfe C, Dargan PI, Stove CP. Linking in vitro and ex vivo CB 1 activity with serum concentrations and clinical features in 5F-MDMB-PICA users to better understand SCRAs and their metabolites. Arch Toxicol 2022; 96:2935-2945. [PMID: 35962200 DOI: 10.1007/s00204-022-03355-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 08/02/2022] [Indexed: 11/28/2022]
Abstract
Synthetic cannabinoid receptor agonists (SCRAs) pose a danger to public health. This study focused on individuals experiencing recreational drug toxicity who had used 5F-MDMB-PICA.Patient records were evaluated regarding vital signs, Glasgow Coma Scale (GCS) and clinical features. Liquid chromatography coupled to high-resolution mass spectrometry (LC-HRMS) confirmed and quantified the presence of 5F-MDMB-PICA (and/or metabolites) as the only SCRA present in the serum of 71 patients. Cannabinoid activity was evaluated by a cannabinoid receptor (CB1) bioassay, to assess the relationship between serum concentrations and ex vivo human CB1 activation potential. Furthermore, a link with the clinical presentation was appraised.5F-MDMB-PICA and five metabolites were pharmacologically profiled in vitro, revealing theoretically possible contributions of two active in vivo metabolites to overall cannabinoid activity. Serum concentrations of 5F-MDMB-PICA were correlated to the ex vivo cannabinoid activity, revealing a sigmoidal relationship. The latter could also be predicted based on pharmacological characterization of 5F-MDMB-PICA and its metabolites and an in-depth investigation of the bioassay outcome. Clinically, the GCS showed a significant trend (decrease) with increasing ex vivo cannabinoid activity.This is the first study to evaluate possible toxic effects of 5F-MDMB-PICA in a unique large patient cohort. It allows a better understanding of 5F-MDMB-PICA and metabolites in humans, suggesting a negligible contribution by 5F-MDMB-PICA metabolites to the overall cannabinoid activity in serum. Additionally, this work shows that in vitro pharmacological characterization allows close prediction of an individual's ex vivo CB1 activity, the latter showing a relationship with the level of consciousness.
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Affiliation(s)
- Liesl K Janssens
- Laboratory of Toxicology, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - Simon Hudson
- LGC Ltd- Sport and Specialised Analytical Services, Cambridge, UK
| | - David M Wood
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Caitlin Wolfe
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Department of Emergency Medicine, Dalhousie University, Halifax, Canada
| | - Paul I Dargan
- Clinical Toxicology, Guy's and St Thomas' NHS Foundation Trust, London, UK.,Faculty of Life Sciences and Medicine, King's College London, London, UK
| | - Christophe P Stove
- Laboratory of Toxicology, Department of Bioanalysis, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium.
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Detection of the Synthetic Cannabinoids AB-CHMINACA, ADB-CHMINACA, MDMB-CHMICA, and 5F-MDMB-PINACA in Biological Matrices: A Systematic Review. BIOLOGY 2022; 11:biology11050796. [PMID: 35625524 PMCID: PMC9139075 DOI: 10.3390/biology11050796] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/13/2022] [Accepted: 05/18/2022] [Indexed: 11/17/2022]
Abstract
Simple Summary Synthetic cannabinoids were originally developed for scientific research and potential therapeutic agents. However, clandestine laboratories synthesize them and circumvent legal barriers by falsely marketing them as incense or herbal products. They have serious adverse effects, and new derivatives are continuously found in the market, making their detection difficult due to the lack of comparative standards. Human matrices are used to identify the type of synthetic cannabinoid and the time of its consumption. This review discusses the use of hair, oral fluid, blood, and urine in the detection and quantification of some of the major synthetic cannabinoids. Based on the results, some recommendations can be followed, for example, the use of hair to detect chronic and retrospective consumption (although sensitive to external contamination) and oral fluid or blood for the simultaneous detection of the parent compounds and their metabolites. If longer detection times than blood or oral fluid are needed, urine is the matrix of choice, although its pH may intervene in the analysis. This work highlights the use of new techniques, such as high-resolution mass spectrometry, to avoid the use of previous standards and to monitor new trends in the drug market. Abstract New synthetic cannabinoids (SCs) are emerging rapidly and continuously. Biological matrices are key for their precise detection to link toxicity and symptoms to each compound and concentration and ascertain consumption trends. The objective of this study was to determine the best human biological matrices to detect the risk-assessed compounds provided by The European Monitoring Centre for Drugs and Drug Addiction: AB-CHMINACA, ADB-CHMNACA, MDMB-CHMICA, and 5F-MDMB-PINACA. We carried out a systematic review covering 2015 up to the present date, including original articles assessing detection in antemortem human biological matrices with detailed validation information of the technique. In oral fluid and blood, SC parent compounds were found in oral fluid and blood at low concentrations and usually with other substances; thus, the correlation between SCs concentrations and severity of symptoms could rarely be established. When hair is used as the biological matrix, there are difficulties in excluding passive contamination when evaluating chronic consumption. Detection of metabolites in urine is complex because it requires prior identification studies. LC-MS/MS assays were the most widely used approaches for the selective identification of SCs, although the lack of standard references and the need for revalidation with the continuous emergence of new SCs are limiting factors of this technique. A potential solution is high-resolution mass spectrometry screening, which allows for non-targeted detection and retrospective data interrogation.
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Musiał J, Czarny J, Gadzała-Kopciuch R. Overview of analytical methods for determining novel psychoactive substances, drugs and their metabolites in biological samples. Crit Rev Toxicol 2022; 52:239-258. [PMID: 36040410 DOI: 10.1080/10408444.2022.2091424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Recent years have witnessed a growing in interest in psychoactive substances, particularly those available in e-commerce. These have led to an increase in the number of drug-related poisonings, deaths, and road accidents. Illegal drugs are available on an unprecedented scale and cause previously unknown adverse effects, which creates a challenge for analysts to find rapid methods for identifying these substances and taking appropriate action in the shortest possible time. New psychoactive substances (NPSs) can be lethal at very low concentrations, which give particularly serious cause for concern. These drugs are easily accessible and often regarded (or claimed) to be safe, which encourages many people, in particular young people, to try them. The widespread use of these substances is compounded by the awareness that they are difficult to detect with the existing rapid screening tests. Simple, fast, sensitive, and specific methods for determining the largest possible number of black-market psychoactive substances and their metabolites are therefore essential. Such methods will facilitate treatment and increase the effectiveness of measures aiming to reduce drug addiction. The objective of this review article was to critically compare the most commonly used analytical methods for determining NPS and their metabolites in biological material, with special emphasis on the sample preparation process, and to highlight the possibilities offered by the existing analytical methods.
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Affiliation(s)
- Jadwiga Musiał
- Institute of Forensic Genetics, Bydgoszcz, Poland.,Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Toruń, Poland
| | - Jakub Czarny
- Institute of Forensic Genetics, Bydgoszcz, Poland
| | - Renata Gadzała-Kopciuch
- Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University in Toruń, Toruń, Poland
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