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Mohr ALA, Logan BK, Fogarty MF, Krotulski AJ, Papsun DM, Kacinko SL, Huestis MA, Ropero-Miller JD. Reports of Adverse Events Associated with Use of Novel Psychoactive Substances, 2017-2020: A Review. J Anal Toxicol 2022; 46:e116-e185. [PMID: 35445267 PMCID: PMC9282356 DOI: 10.1093/jat/bkac023] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/17/2022] [Accepted: 04/20/2022] [Indexed: 12/15/2022] Open
Abstract
An important role of modern forensic and clinical toxicologists is to monitor the adverse events of novel psychoactive substances (NPS). Following a prior review from 2013 to 2016, this critical literature review analyzes and evaluates published case reports for NPS from January 2017 through December 2020. The primary objective of this study is to assist in the assessment and interpretation of these cases as well as provide references for confirmation methods. Chemistry, pharmacology, adverse events and user profiles (e.g., polypharmacy) for NPS are provided including case history, clinical symptoms, autopsy findings and analytical results. Literature reviews were performed in PubMed and Google Scholar for publications using search terms such as NPS specific names, general terms (e.g., 'designer drugs' and 'novel psychoactive substances'), drug classes (e.g., 'designer stimulants') and outcome-based terms (e.g., 'overdose' and 'death'). Government and website drug surveillance databases and abstracts published by professional forensic science organizations were also searched. Toxicological data and detailed case information were extracted, tabulated, analyzed and organized by drug category. Case reports included overdose fatalities (378 cases), clinical treatment and hospitalization (771 cases) and driving under the influence of drugs (170 cases) for a total of 1,319 cases providing details of adverse events associated with NPS. Confirmed adverse events with associated toxidromes of more than 60 NPS were reported including synthetic cannabinoid, NPS stimulant, NPS hallucinogen, NPS benzodiazepine and NPS opioid cases. Fifty of these NPS were reported for the first time in January 2017 through December 2020 as compared to the previous 4 years surveyed. This study provides insight and context of case findings described in the literature and in digital government surveillance databases and websites during a recent 4-year period. This review will increase the awareness of adverse events associated with NPS use to better characterize international emerging drug threats.
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Affiliation(s)
- Amanda L A Mohr
- Center for Forensic Science Research and Education at the Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, PA 19090, USA
| | - Barry K Logan
- Center for Forensic Science Research and Education at the Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, PA 19090, USA
- NMS Labs, 200 Welsh Rd, Horsham, PA 19044, USA
| | - Melissa F Fogarty
- Center for Forensic Science Research and Education at the Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, PA 19090, USA
| | - Alex J Krotulski
- Center for Forensic Science Research and Education at the Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, PA 19090, USA
| | | | | | - Marilyn A Huestis
- Center for Forensic Science Research and Education at the Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, PA 19090, USA
- Institute of Emerging Health Professions, Thomas Jefferson University, Philadelphia, PA 19107, USA
| | - Jeri D Ropero-Miller
- RTI International, Center for Forensic Sciences, 3040 East Cornwallis Rd, Research Triangle Park, NC 27709, USA
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Deville M, Bailly R, Gauthier N, Pitti P, Wachtelaer A, Charlier C. Biochip Array Technology for new psychoactive substances detection in biological samples: evaluation of the specificity of the Randox Evidence Investigator ®. Ann Clin Biochem 2022; 59:357-362. [PMID: 35726604 DOI: 10.1177/00045632221111751] [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: 11/16/2022]
Abstract
Background The need to detect new psychoactive substances in biological samples is of crucial interest. In this paper, the specificity of a benchtop immunoanalyzer commercialized by Randox was evaluated on real patient samples. Method The Evidence Investigator was assessed to screen for NPS on 80 serum and urine samples coming from patient admitted to the emergency department. Targeted NPS were included in various categories such as synthetic cannabinoids, opioids and benzodiazepines. Results were compared with a chromatographic technique coupled with mass spectrometry. Results No NPS was detected by the reference technique. Concerning immunoanalysis, some piperazines were positive, caused by the presence of medicine containing this chemical structure. Clonazepam and fentanyl derivatives were confirmed in some cases, but sometimes the positivity was explained by other opiates or benzodiazepines, which also explained 2 samples falsely positive for etizolam. Conclusions The Randox Evidence Investigator was rapid and easy to use. It can be used as a first intention but always followed by a more specific technique in order to detect false positive result.
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Shamai-Yamin T, Shifrovich A, Madmon M, Belay C, Prihed H, Blanca M, Hindi A, Zafrani Y, Berliner A, Weissberg A. Elucidation of synthetic N-benzyl cathinone structures using chemical derivatization and liquid chromatography–tandem mass spectrometry analysis. Forensic Chem 2022. [DOI: 10.1016/j.forc.2022.100422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Chou HH, Hsieh CH, Chaou CH, Chen CK, Yen TH, Liao SC, Seak CJ, Chen HY. Synthetic cathinone poisoning from ingestion of drug-laced "instant coffee packets" in Taiwan. Hum Exp Toxicol 2021; 40:1403-1412. [PMID: 33715482 DOI: 10.1177/0960327121996043] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Synthetic cathinone abuse is a global health issue. Synthetic cathinones emerged in Taiwan in 2009, and their prevalence rapidly rose. They are usually made into "instant coffee packets," and these so-called "toxic coffee packets" may also contain psychoactive drugs other than synthetic cathinones. Due to the diversity of the ingredients, clinical presentations can be complex. METHODS Retrospective analysis of emergency department (ED) patients who reported ingesting toxic coffee packets at three Chang-Gung Memorial Hospitals located in northern Taiwan between January, 2015 and December, 2019. RESULTS Sixty patients were included. Their mean age was 28.85 ± 9.24 years and 47(78.33%) were male. The most common presentations were palpitation, agitation, hallucination, and altered consciousness. Tachycardia and hypertension were common, while hyperthermia was observed in only three patients. Three patients (5%) developed rhabdomyolysis, and one underwent transient hemodialysis. Most patients were discharged from the ED, but 15(25%) were admitted, of whom nine (15%) were admitted to the intensive care unit (ICU), and one eventually died. Confirmation tests (mass-spectrometry-based analysis) were available in 10 patients; all reported positive for at least one type of synthetic cathinone. Polysubstance exposure was common. In multivariate logistic regression analyses, Glasgow coma scale ≤13 and the presence of seizure were associated with ICU admission. CONCLUSION Patients who report ingesting toxic coffee packets are very likely to have been exposed to synthetic cathinones. Polysubstance exposure is common following ingestion. Cardiovascular and neurological symptoms are the main presentations, and severe complications such as rhabdomyolysis and life-threatening dysrhythmia can occur.
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Affiliation(s)
- H-H Chou
- Department of Emergency Medicine, 38014Chang Gung Memorial Hospital, Keelung
| | - C-H Hsieh
- Department of Emergency Medicine, 38014Chang Gung Memorial Hospital, Linkou
| | - C-H Chaou
- Department of Emergency Medicine, 38014Chang Gung Memorial Hospital, Linkou.,College of Medicine, 38014Chang Gung University, Taoyuan
| | - C-K Chen
- Department of Emergency Medicine, 38014Chang Gung Memorial Hospital, Linkou
| | - T-H Yen
- College of Medicine, 38014Chang Gung University, Taoyuan.,Department of Nephrology and Clinical Poison Center, 38014Chang Gung Memorial Hospital, Taoyuan
| | - S-C Liao
- Department of Emergency Medicine, 38014Chang Gung Memorial Hospital, Keelung
| | - C-J Seak
- Department of Emergency Medicine, 38014Chang Gung Memorial Hospital, Linkou.,College of Medicine, 38014Chang Gung University, Taoyuan.,Department of Emergency Medicine, New Taipei Municipal Tucheng Hospital, New Taipei City
| | - H-Y Chen
- Department of Emergency Medicine, 38014Chang Gung Memorial Hospital, Linkou.,College of Medicine, 38014Chang Gung University, Taoyuan
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Flakka: New Dangerous Synthetic Cathinone on the Drug Scene. Int J Mol Sci 2020; 21:ijms21218185. [PMID: 33142953 PMCID: PMC7663692 DOI: 10.3390/ijms21218185] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/28/2020] [Accepted: 10/28/2020] [Indexed: 12/24/2022] Open
Abstract
New psychoactive substances are being used as drugs and appear to be quite popular nowadays. Thanks to their specific properties, these drugs create inimitable experiences for intoxicated people. Synthetic cathinones are the most common compounds in these new drugs. Among them, α-pyrrolidopentadione (α-PVP), or “Flakka” (street name), is one of the most famous cathinone-designed drugs. Similar to other synthetic cathinone drugs, α-PVP can effectively inhibit norepinephrine and dopamine transmitters. The adverse reactions of α-PVP mainly include mania, tachycardia, and hallucinations. An increasing number of people are being admitted to emergency wards due to the consequences of their use. This work mainly summarizes the history, synthesis, pharmacology, toxicology, structure–activity relationship, metabolism, clinical process and health risks, poisoning and death, forensic toxicology, and legal status of α-PVP. We hope this review will help bring more attention to the exploration of this substance in order to raise awareness of its negative impacts on humans.
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Sorribes-Soriano A, Sánchez-Martínez S, Arráez-González R, Esteve-Turrillas F, Armenta S. Methylone determination in oral fluid using microextraction by packed sorbent coupled to ion mobility spectrometry. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104504] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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7
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Soares J, Costa VM, Gaspar H, Santos S, de Lourdes Bastos M, Carvalho F, Capela JP. Structure-cytotoxicity relationship profile of 13 synthetic cathinones in differentiated human SH-SY5Y neuronal cells. Neurotoxicology 2019; 75:158-173. [DOI: 10.1016/j.neuro.2019.08.009] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2018] [Revised: 07/30/2019] [Accepted: 08/21/2019] [Indexed: 10/26/2022]
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8
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Gonçalves JL, Alves VL, Aguiar J, Teixeira HM, Câmara JS. Synthetic cathinones: an evolving class of new psychoactive substances. Crit Rev Toxicol 2019; 49:549-566. [PMID: 31747318 DOI: 10.1080/10408444.2019.1679087] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Synthetic cathinones (SCat) are amphetamine-like psychostimulants that emerged onto drug markets as "legal" alternatives to illicit drugs such as ecstasy, cocaine, and amphetamines. Usually they are sold as "bath salts," "plant food," or "research chemicals," and rapidly gained popularity amongst drugs users due to their potency, low cost, and availability. In addition, internet drug sales have been replacing the old way of supplying drugs of abuse, contributing to their rapid spread. Despite the legislative efforts to control SCat, new derivatives continue to emerge on the recreational drugs market and their abuse still represents a serious public health issue. To date, about 150 SCat have been identified on the clandestine drugs market, which are one of the largest groups of new psychoactive substances (NPS) monitored by the United Nations Office on Drugs and Crime and the European Monitoring Center for Drugs and Drug Addiction. Similar to the classical stimulants, SCat affect the levels of catecholamines in the central nervous system, which results in their psychological, behavioral and toxic effects. Generally, the effects of SCat greatly differ from drug to drug and relatively little information is available about their pharmacology. The present work provides a review on the development of SCat as substances of abuse, current patterns of abuse and their legal status, chemical classification, known mechanisms of action, and their toxicological effects.
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Affiliation(s)
- João L Gonçalves
- CQM - Centro de Química da Madeira, Universidade da Madeira, Funchal, Portugal
| | - Vera L Alves
- CQM - Centro de Química da Madeira, Universidade da Madeira, Funchal, Portugal
| | - Joselin Aguiar
- CQM - Centro de Química da Madeira, Universidade da Madeira, Funchal, Portugal
| | - Helena M Teixeira
- Faculdade de Medicina, Universidade de Coimbra, Coimbra, Portugal.,Instituto Nacional de Medicina Legal e Ciências Forenses, IP, Delegação Centro, Coimbra, Portugal
| | - José S Câmara
- CQM - Centro de Química da Madeira, Universidade da Madeira, Funchal, Portugal.,Faculdade de Ciências Exactas e da Engenharia, Universidade da Madeira, Funchal, Portugal
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Margasińska-Olejak J, Celiński R, Fischer A, Stojko J. A fatal case of poisoning of a 19-year-old after taking 3-MMC. Forensic Sci Int 2019; 300:e34-e37. [PMID: 31056341 DOI: 10.1016/j.forsciint.2019.02.040] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 02/23/2019] [Accepted: 02/23/2019] [Indexed: 11/16/2022]
Abstract
The significant increase in the number of new psychoactive substances on the drug market has recently been a serious problem. The manuscript presents a fatal case of suicide poisoning with 3-MMC (3-methylmethcathinone). The biological material collected during the autopsy of a 19-year-old woman, transferred to the toxicological Laboratory in Katowice ToxLab, was subjected to a chemical and toxicological analysis. The toxicological analysis of blood, vitreous humor and gastric contents revealed 3-methylmetcatinone at a concentration of 800 ng/ml, 153 ng/ml and 5,5 mg, respectively. The presence of 3-MMC has also been confirmed in physical evidence secured on site. 3-methylmethcathinone is a dangerous psychoactive substance that caused the death of the 19-year-old.
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Affiliation(s)
- Joanna Margasińska-Olejak
- Department of Toxicology and Bioanalysis, Medical University of Silesia, 41-200, Sosnowiec, Poland; Laboratorium Toksykologiczne ToxLab, ul. Kossutha 6, 40-844, Katowice, Poland.
| | - Rafał Celiński
- Laboratorium Toksykologiczne ToxLab, ul. Kossutha 6, 40-844, Katowice, Poland
| | - Agnieszka Fischer
- Department of Toxicology and Bioanalysis, Medical University of Silesia, 41-200, Sosnowiec, Poland
| | - Jerzy Stojko
- Department of Toxicology and Bioanalysis, Medical University of Silesia, 41-200, Sosnowiec, Poland
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11
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Corazza O, Valeriani G, Bersani FS, Corkery J, Martinotti G, Bersani G, Schifano F. "Spice," "kryptonite," "black mamba": an overview of brand names and marketing strategies of novel psychoactive substances on the web. J Psychoactive Drugs 2018; 46:287-94. [PMID: 25188698 DOI: 10.1080/02791072.2014.944291] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
UNLABELLED Abstract Introduction: Novel Psychoactive Substances (NPSs) are often sold online as "legal" and "safer" alternatives to International Controlled Drugs (ICDs) with captivating marketing strategies. Our aim was to review and summarize such strategies in terms of the appearance of the products, the brand names, and the latest trends in the illicit online marketplaces. METHODS Scientific data were searched in PsychInfo and Pubmed databases; results were integrated with an extensive monitoring of Internet (websites, online shops, chat rooms, fora, social networks) and media sources in nine languages (English, French, Farsi, Portuguese, Arabic, Russian, Spanish, and Chinese simplified/traditional) available from secure databases of the Global Public Health Intelligence Network. RESULTS Evolving strategies for the online diffusion and the retail of NPSs have been identified, including discounts and periodic offers on chosen products. Advertisements and new brand names have been designed to attract customers, especially young people. An increased number of retailers have been recorded as well as new Web platforms and privacy systems. DISCUSSION NPSs represent an unprecedented challenge in the field of public health with social, cultural, legal, and political implications. Web monitoring activities are essential for mapping the diffusion of NPSs and for supporting innovative Web-based prevention programmes.
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Affiliation(s)
- Ornella Corazza
- a Principal Lecturer and Academic Research Lead, School of Life and Medical Sciences , University of Hertfordshire , Hertfordshire, UK
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Diestelmann M, Zangl A, Herrle I, Koch E, Graw M, Paul LD. MDPV in forensic routine cases: Psychotic and aggressive behavior in relation to plasma concentrations. Forensic Sci Int 2017; 283:72-84. [PMID: 29275216 DOI: 10.1016/j.forsciint.2017.12.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Revised: 11/27/2017] [Accepted: 12/03/2017] [Indexed: 11/26/2022]
Abstract
The new psychoactive substance 3,4-methylenedioxypyrovalerone (MDPV) belongs to the group of synthetic cathinones and is purchased mainly as "research chemical" or "bath salt" on the illegal drug market, also in South Bavaria. MDPV was detected in blood and urine samples from 2010 on in 50 authentic routine cases in a forensic setting. Plasma concentrations in 46 cases with available blood specimens ranged from approximately 1.0 to 301μg/L (median 23.7; mean 47.9μg/L), detected by a fully validated LC-MS/MS method. Subjects aged between 16 and 54 years (median 36; mean 35 years) and reflected experienced chronic drug users. Accused offences were mainly violent crimes such as bodily harm, robberies, homicides and acts of resistance. A lot of subjects showed highly aggressive and violent behavior with endangerment of self and others and/or psychotic symptoms as confusion, hallucinations or paranoia. The risk for such behavior rises with MDPV plasma concentrations above as low as 30μg/L, whereby a time interval of 1.5h on average between incident and/or observation of impairment and blood sampling has to be taken into account. Comprehensive toxicological analysis proved poly-drug use in almost all cases including opiates/opioids, benzodiazepines and other sedatives, antidepressants and other stimulants, also other new psychoactive substances. Alcohol was detected only in three cases. Co-consumed benzodiazepines seem not be able to completely prevent psychotic effects despite their use as first-line treatment for patients with synthetic cathinone poisonings. The study demonstrates that relatively low plasma concentrations of MDPV could be associated with mental impairment which is relevant in the assessment of forensic cases.
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Affiliation(s)
- Marco Diestelmann
- Department of Forensic Toxicology, Institute of Forensic Medicine, Ludwig-Maximilians-University Munich, Nussbaumstraße 26, 80336 Munich, Germany
| | - Anna Zangl
- Department of Forensic Toxicology, Institute of Forensic Medicine, Ludwig-Maximilians-University Munich, Nussbaumstraße 26, 80336 Munich, Germany
| | - Inge Herrle
- Department of Forensic Toxicology, Institute of Forensic Medicine, Ludwig-Maximilians-University Munich, Nussbaumstraße 26, 80336 Munich, Germany
| | - Eva Koch
- Department of Forensic Toxicology, Institute of Forensic Medicine, Ludwig-Maximilians-University Munich, Nussbaumstraße 26, 80336 Munich, Germany
| | - Matthias Graw
- Institute of Forensic Medicine, Ludwig-Maximilians-University Munich, Nussbaumstraße 26, 80336 Munich, Germany
| | - Liane D Paul
- Department of Forensic Toxicology, Institute of Forensic Medicine, Ludwig-Maximilians-University Munich, Nussbaumstraße 26, 80336 Munich, Germany.
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Valento M, Lebin J. Emerging Drugs of Abuse: Synthetic Cannabinoids, Phenylethylamines (2C Drugs), and Synthetic Cathinones. CLINICAL PEDIATRIC EMERGENCY MEDICINE 2017. [DOI: 10.1016/j.cpem.2017.07.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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α-Pyrrolidinononanophenone provokes apoptosis of neuronal cells through alterations in antioxidant properties. Toxicology 2017; 386:93-102. [PMID: 28578026 DOI: 10.1016/j.tox.2017.05.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 05/17/2017] [Accepted: 05/28/2017] [Indexed: 01/06/2023]
Abstract
In this study, we found that exposure to α-pyrrolidinononanophenone (α-PNP), a highly lipophilic synthetic cathinone, provokes apoptosis of human neuronal SK-N-SH cells. The drug sensitivity of the cells (50% lethal concentration of 12μM) was similar to those of aortic endothelial and smooth muscle cells, and was higher than those of cells derived from colon, liver, lung and kidney, suggesting that α-PNP overdose and abuse cause serious damage in central nervous and vascular systems. SK-N-SH cell treatment with lethal concentrations (20 and 50μM) of α-PNP facilitated the reactive oxygen species (ROS) production. The treatment also prompted elevation of Bax/Bcl-2 ratio, lowering of mitochondrial membrane potential, release of cytochrome-c into cytosol, and resultant activation of caspase-9 and caspase-3. The apoptotic events (caspase-3 activation and DNA fragmentation) were abolished by pretreatment with antioxidants, N-acetyl-l-cysteine and polyethyleneglycol-conjugated catalase. These results suggest that ROS production, mitochondrial dysfunction and caspase activation are potential events in the mechanism underlying the α-PNP-triggered neuronal cell apoptosis. Intriguingly, the α-PNP treatment of SK-N-SH cells was found to promote formation of 4-hydroxynonenal, a reactive aldehyde generated from lipid peroxidation. The α-PNP treatment also decreased cellular levels of total and reduced glutathiones, expression of γ-glutamylcysteine synthetase mRNA and glutathione reductase activity. Furthermore, the α-PNP treatment resulted in both decrease in proteasomal activities and increase in expression of autophagy-related factors, which were significantly prevented by pretreating with N-acetyl-l-cysteine. Therefore, the ROS formation by α-PNP treatment may be ascribable to the decrease in glutathione level through its consumption during 4-hydroxynonenal detoxification and dysfunction of both de novo synthesis and regeneration of glutathione, in addition to impairments in proteasomal and autophagic systems that degrade cellular oxidized components.
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Assi S, Gulyamova N, Kneller P, Osselton D. The effects and toxicity of cathinones from the users' perspectives: A qualitative study. Hum Psychopharmacol 2017. [PMID: 28631397 DOI: 10.1002/hup.2610] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
OBJECTIVE The objective of this study is to explore the users' perspectives regarding the effects and toxicity of cathinones. METHODS A systematic search of Internet discussion forums yielded 303 threads relevant to the research objectives. The threads were analysed by conventional content analysis where concepts were developed from codes and themes. RESULTS The study identified 3 main themes in relation to cathinone use, effects, and toxicity. The first theme considered the modalities of intake of cathinones in relation to the derivative taken (mainly mephedrone, 3-methylmethcathinone, and methylenedioxypyrovalerone), route of administration (eyeballing, insufflation, smoking, intravenous, oral, rectal, and sublingual), multidrug use, and purity of the cathinone derivative. The second theme characterised the main effects of cathinones, that is, increased energy, euphoria, and empathogenic. Toxic effects were reported regarding the nervous system (anxiety, hallucinations, nervousness, and paranoia), cardiovascular system (angina, myocardial infarction, and tachycardia), skin (discolouration, itching, and allergy), and renal system (difficulty in urination). Drug-drug interactions were also reported including multiple drug use between cathinones, stimulants, depressants, and hallucinogens. CONCLUSIONS The Internet discussion forums provide useful sources of information regarding the effects and toxicity of cathinones, which can be taken into account when assessing the safety of drugs.
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Affiliation(s)
- Sulaf Assi
- Department of Archaeology, Anthropology and Forensic Science, Bournemouth University, Poole, UK
| | - Nargilya Gulyamova
- Department of Archaeology, Anthropology and Forensic Science, Bournemouth University, Poole, UK
| | - Paul Kneller
- Department of Archaeology, Anthropology and Forensic Science, Bournemouth University, Poole, UK
| | - David Osselton
- Department of Archaeology, Anthropology and Forensic Science, Bournemouth University, Poole, UK
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Logan BK, Mohr AL, Friscia M, Krotulski AJ, Papsun DM, Kacinko SL, Ropero-Miller JD, Huestis MA. Reports of Adverse Events Associated with Use of Novel Psychoactive Substances, 2013–2016: A Review. J Anal Toxicol 2017; 41:573-610. [DOI: 10.1093/jat/bkx031] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Indexed: 01/25/2023] Open
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Schifano F, Orsolini L, Papanti D, Corkery J. NPS: Medical Consequences Associated with Their Intake. Curr Top Behav Neurosci 2017; 32:351-380. [PMID: 27272067 DOI: 10.1007/7854_2016_15] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Over the last decade, the 'traditional' drug scene has been supplemented - but not replaced - by the emergence of a range of novel psychoactive substances (NPS), which are either newly created or existing drugs, including medications, now being used in novel ways. By the end of 2014, in excess of 500 NPS had been reported by a large number of countries in the world. Most recent data show, however, that synthetic cathinones, synthetic cannabinoids, and psychedelics/phenethylamines account for the largest number of NPS.The present chapter aims at providing an overview of the clinical and pharmacological issues relating to these most popular NPS categories. Given the vast range of medical and psychopathological issues associated with the molecules here described, it is crucial for health professionals to be aware of the effects and toxicity of NPS. A general overview of the acute management of NPS adverse events is provided as well, although further studies are required to identify a range of evidence-based, index molecule-focused, treatment strategies. The rapid pace of change in the NPS online market constitutes a major challenge to the provision of current and reliable scientific knowledge on these substances.
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Affiliation(s)
- Fabrizio Schifano
- Psychopharmacology, Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, College Lane Campus, Hatfield, Herts, AL10 9AB, UK.
| | - Laura Orsolini
- Psychopharmacology, Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, College Lane Campus, Hatfield, Herts, AL10 9AB, UK
| | - Duccio Papanti
- Psychopharmacology, Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, College Lane Campus, Hatfield, Herts, AL10 9AB, UK
| | - John Corkery
- Psychopharmacology, Drug Misuse and Novel Psychoactive Substances Research Unit, School of Life and Medical Sciences, University of Hertfordshire, College Lane Campus, Hatfield, Herts, AL10 9AB, UK
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Abbott R, Smith DE. The New Designer Drug Wave: A Clinical, Toxicological, and Legal Analysis. J Psychoactive Drugs 2015; 47:368-71. [PMID: 26579784 DOI: 10.1080/02791072.2015.1094591] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
This article reviews clinical, toxicological, and legal issues related to designer drug abuse, with a focus on synthetic cathinones (bath salts). Synthetic cathinones are amphetamine-type central nervous system (CNS) stimulants that produce similar effects to amphetamine. Like amphetamine, synthetic cathinones can also result in neurological and cardiovascular side-effects consistent with sympathomimetic toxicity. The differential for a patient presenting with the signs and symptoms of synthetic cathinone toxicity is broad, and laboratory testing for synthetic cathinones is of limited value in acute management. If a diagnosis of cathinone-induced delirium is suspected, treatment efforts should focus on controlling agitation and then treating medical complications such as metabolic acidosis. Physicians should be aware of these new drugs, not only to optimally treat patients, but also to raise awareness of the dangers of designer drug use through patient counseling and community outreach programs.
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Affiliation(s)
- Ryan Abbott
- a Adjunct Assistant Professor, David Geffen School of Medicine at University of California, Los Angeles, CA and Associate Professor , Southwestern Law School , Los Angeles , CA
| | - David E Smith
- b Principal, David E. Smith, MD & Associates , San Francisco , CA
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Valeriani G, Corazza O, Bersani FS, Melcore C, Metastasio A, Bersani G, Schifano F. Olanzapine as the ideal "trip terminator"? Analysis of online reports relating to antipsychotics' use and misuse following occurrence of novel psychoactive substance-related psychotic symptoms. Hum Psychopharmacol 2015. [PMID: 26216558 DOI: 10.1002/hup.2431] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
OBJECTIVE The pharmacological self-management of novel psychoactive substance (NPS)-induced psychopathological consequences represents a fast growing phenomenon. This is facilitated by the frequent sharing of NPS intake experiences online and by the ease of access to a range of psychotropic medications from both the online and street market. Olanzapine is anecdotally reported by Web users to be the most frequent self-prescribed medication to cope with NPS-induced psychoses. Hence, we aimed here at better assessing olanzapine use/misuse for this purpose. METHODS Exploratory qualitative searches of 163 discussion fora/specialized websites have been carried out in four languages (English, German, Spanish, and Italian) in the time frame November 2012-2013. RESULTS Most NPS-users allegedly self administer with olanzapine to manage related psychotic crises/"bad trips". This may be typically taken only for a few days, at a dosage range of 5-50 mg/day. CONCLUSIONS Only a few research studies have formally assessed the effectiveness of olanzapine and indeed of other second-generation antipsychotics to treat NPS-induced psychosis. Olanzapine was suggested here from a range of pro drug websites as being the "ideal" molecule to terminate "bad trips". Health professionals should be informed about the risks related to olanzapine misuse.
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Affiliation(s)
- Giuseppe Valeriani
- Department of Neurology and Psychiatry, Sapienza University of Rome, Rome, Italy
| | - Ornella Corazza
- School of Life and Medical Sciences, University of Hertfordshire, Hertfordshire, UK
| | - Francesco Saverio Bersani
- Department of Neurology and Psychiatry, Sapienza University of Rome, Rome, Italy.,School of Life and Medical Sciences, University of Hertfordshire, Hertfordshire, UK
| | - Claudia Melcore
- Department of Neurology and Psychiatry, Sapienza University of Rome, Rome, Italy
| | | | - Giuseppe Bersani
- Department of Medical-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Rome, Italy
| | - Fabrizio Schifano
- School of Life and Medical Sciences, University of Hertfordshire, Hertfordshire, UK
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Driving under the influence of synthetic phenethylamines: a case series. Int J Legal Med 2015; 129:997-1003. [DOI: 10.1007/s00414-015-1150-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Accepted: 01/13/2015] [Indexed: 11/30/2022]
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Abstract
Drug abuse is a common problem and growing concern in the United States, and over the past decade, novel or atypical drugs have emerged and have become increasingly popular. Recognition and treatment of new drugs of abuse pose many challenges for health care providers due to lack of quantitative reporting and routine surveillance, and the difficulty of detection in routine blood and urine analyses. Furthermore, street manufacturers are able to rapidly adapt and develop new synthetic isolates of older drugs as soon as law enforcement agencies render them illegal. In this article, we describe the clinical and adverse effects and purported pharmacology of several new classes of drugs of abuse including synthetic cannabinoids, synthetic cathinones, salvia, desomorphine, and kratom. Because many of these substances can have severe or life-threatening adverse effects, knowledge of general toxicology is key in recognizing acute intoxication and overdose; however, typical toxidromes (e.g., cholinergic, sympathomimetic, opioid, etc.) are not precipitated by many of these agents. Medical management of patients who abuse or overdose on these drugs largely consists of supportive care, although naloxone may be used as an antidote for desomorphine overdose. Symptoms of aggression and psychosis may be treated with sedation (benzodiazepines, propofol) and antipsychotics (haloperidol or atypical agents such as quetiapine or ziprasidone). Other facets of management to consider include treatment for withdrawal or addiction, nutrition support, and potential for transmission of infectious diseases.
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Affiliation(s)
- Megan A Rech
- Department of Pharmacy Services, Loyola University Medical Center, Maywood, Illinois; Department of Emergency Medicine, Loyola University Medical Center, Maywood, Illinois
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Analysis of synthetic cathinones and associated psychoactive substances by ion mobility spectrometry. Forensic Sci Int 2014; 244:196-206. [DOI: 10.1016/j.forsciint.2014.08.033] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2014] [Revised: 08/25/2014] [Accepted: 08/29/2014] [Indexed: 11/22/2022]
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Adamowicz P, Zuba D, Byrska B. Fatal intoxication with 3-methyl-N-methylcathinone (3-MMC) and 5-(2-aminopropyl)benzofuran (5-APB). Forensic Sci Int 2014; 245:126-32. [PMID: 25447185 DOI: 10.1016/j.forsciint.2014.10.016] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Revised: 09/30/2014] [Accepted: 10/01/2014] [Indexed: 11/15/2022]
Abstract
The emergence of a large number of new psychoactive substances (NPSs) in recent years poses a serious problem to clinical and forensic toxicologists. Here we report a patient who administrated ca. 500mg of 3-MMC (3-methyl-N-methylcathinone) and 400mg of 5-APB (5-(2-aminopropyl)benzofuran) in combination with 80g of ethyl alcohol. The clinical manifestations included agitation, seizures, hypertension, tachycardia, hyperthermia and bradycardia. The patient did not recover and died around 4h after the use of drugs. The cause of death was acute cardiovascular collapse that occurred following mixed intoxication with NPSs and alcohol. Toxicological analysis of post-mortem blood revealed 3-MMC and 5-APB in concentrations of 1.6μg/mL and 5.6μg/mL, respectively. Moreover, the serum alcohol concentration was 1.4g/L in ante-mortem sample collected 1h after admission to the hospital. This is the first report on blood concentration of 3-MMC and 5-APB in fatal intoxication.
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Affiliation(s)
- Piotr Adamowicz
- Institute of Forensic Research, Westerplatte 9, 31-033 Krakow, Poland.
| | - Dariusz Zuba
- Institute of Forensic Research, Westerplatte 9, 31-033 Krakow, Poland
| | - Bogumiła Byrska
- Institute of Forensic Research, Westerplatte 9, 31-033 Krakow, Poland
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Watterson LR, Olive MF. Synthetic cathinones and their rewarding and reinforcing effects in rodents. ADVANCES IN NEUROSCIENCE (HINDAWI) 2014; 2014:209875. [PMID: 25328910 PMCID: PMC4199755 DOI: 10.1155/2014/209875] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Synthetic cathinones, colloquially referred to as "bath salts", are derivatives of the psychoactive alkaloid cathinone found in Catha edulis (Khat). Since the mid-to-late 2000's, these amphetamine-like psychostimulants have gained popularity amongst drug users due to their potency, low cost, ease of procurement, and constantly evolving chemical structures. Concomitant with their increased use is the emergence of a growing collection of case reports of bizarre and dangerous behaviors, toxicity to numerous organ systems, and death. However, scientific information regarding the abuse liability of these drugs has been relatively slower to materialize. Recently we have published several studies demonstrating that laboratory rodents will readily self-administer the "first generation" synthetic cathinones methylenedioxypyrovalerone (MDPV) and methylone via the intravenous route, in patterns similar to those of methamphetamine. Under progressive ratio schedules of reinforcement, the rank order of reinforcing efficacy of these compounds are MDPV ≥ methamphetamine > methylone. MDPV and methylone, as well as the "second generation" synthetic cathinones α-pyrrolidinovalerophenone (α-PVP) and 4-methylethcathinone (4-MEC), also dose-dependently increase brain reward function. Collectively, these findings indicate that synthetic cathinones have a high abuse and addiction potential and underscore the need for future assessment of the extent and duration of neurotoxicity induced by these emerging drugs of abuse.
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Affiliation(s)
| | - M. Foster Olive
- Department of Psychology Arizona State University Tempe, Arizona USA
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Paillet-Loilier M, Cesbron A, Le Boisselier R, Bourgine J, Debruyne D. Emerging drugs of abuse: current perspectives on substituted cathinones. Subst Abuse Rehabil 2014; 5:37-52. [PMID: 24966713 PMCID: PMC4043811 DOI: 10.2147/sar.s37257] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Substituted cathinones are synthetic analogs of cathinone that can be considered as derivatives of phenethylamines with a beta-keto group on the side chain. They appeared in the recreational drug market in the mid-2000s and now represent a large class of new popular drugs of abuse. Initially considered as legal highs, their legal status is variable by country and is rapidly changing, with government institutions encouraging their control. Some cathinones (such as diethylpropion or pyrovalerone) have been used in a medical setting and bupropion is actually indicated for smoking cessation. Substituted cathinones are widely available from internet websites, retail shops, and street dealers. They can be sold under chemical, evocative or generic names, making their identification difficult. Fortunately, analytical methods have been developed in recent years to solve this problem. Available as powders, substituted cathinones are self-administered by snorting, oral injestion, or intravenous injection. They act as central nervous system stimulants by causing the release of catecholamines (dopamine, noradrenaline, and serotonin) and blocking their reuptake in the central and peripheral nervous system. They may also decrease dopamine and serotonin transporter function as nonselective substrates or potent blockers and may inhibit monoamine oxidase effects. Nevertheless, considerable differences have been found in the potencies of the different substituted cathinones in vitro. Desired effects reported by users include increased energy, empathy, and improved libido. Cardiovascular (tachycardia, hypertension) and psychiatric/neurological signs/symptoms (agitation, seizures, paranoia, and hallucinations) are the most common adverse effects reported. Severe toxicity signs compatible with excessive serotonin activity, such as hyperthermia, metabolic acidosis, and prolonged rhabdomyolysis, have also been observed. Reinforcing potential observed in animals predicts a high potential for addiction and abuse in users. In case of overdose, no specific antidote exists and no curative treatment has been approved by health authorities. Therefore, management of acute toxic effects is mainly extrapolated from experience with cocaine/amphetamines.
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Affiliation(s)
| | - Alexandre Cesbron
- Toxicology and Pharmacology Laboratory, University Hospital Centre, Caen, France
| | - Reynald Le Boisselier
- Centre d'Evaluation et d'Information sur la Pharmacodépendance - Addictovigilance (CEIP-A), Department of Pharmacology, University Hospital Centre, Caen, France
| | - Joanna Bourgine
- Toxicology and Pharmacology Laboratory, University Hospital Centre, Caen, France
| | - Danièle Debruyne
- Toxicology and Pharmacology Laboratory, University Hospital Centre, Caen, France ; Centre d'Evaluation et d'Information sur la Pharmacodépendance - Addictovigilance (CEIP-A), Department of Pharmacology, University Hospital Centre, Caen, France
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Valente MJ, Guedes de Pinho P, de Lourdes Bastos M, Carvalho F, Carvalho M. Khat and synthetic cathinones: a review. Arch Toxicol 2013; 88:15-45. [PMID: 24317389 DOI: 10.1007/s00204-013-1163-9] [Citation(s) in RCA: 191] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Accepted: 11/05/2013] [Indexed: 11/25/2022]
Abstract
For centuries, 'khat sessions' have played a key role in the social and cultural traditions among several communities around Saudi Arabia and most East African countries. The identification of cathinone as the main psychoactive compound of khat leaves, exhibiting amphetamine-like pharmacological properties, resulted in the synthesis of several derivatives structurally similar to this so-called natural amphetamine. Synthetic cathinones were primarily developed for therapeutic purposes, but promptly started being misused and extensively abused for their euphoric effects. In the mid-2000's, synthetic cathinones emerged in the recreational drug markets as legal alternatives ('legal highs') to amphetamine, 'ecstasy', or cocaine. Currently, they are sold as 'bath salts' or 'plant food', under ambiguous labels lacking information about their true contents. Cathinone derivatives are conveniently available online or at 'smartshops' and are much more affordable than the traditional illicit drugs. Despite the scarcity of scientific data on these 'legal highs', synthetic cathinones use became an increasingly popular practice worldwide. Additionally, criminalization of these derivatives is often useless since for each specific substance that gets legally controlled, one or more structurally modified analogs are introduced into the legal market. Chemically, these substances are structurally related to amphetamine. For this reason, cathinone derivatives share with this drug both central nervous system stimulating and sympathomimetic features. Reports of intoxication and deaths related to the use of 'bath salts' have been frequently described over the last years, and several attempts to apply a legislative control on synthetic cathinones have been made. However, further research on their pharmacological and toxicological properties is fully required in order to access the actual potential harm of synthetic cathinones to general public health. The present work provides a review on khat and synthetic cathinones, concerning their historical background, prevalence, patterns of use, legal status, chemistry, pharmacokinetics, pharmacodynamics, and their physiological and toxicological effects on animals and humans.
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Affiliation(s)
- Maria João Valente
- REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313, Porto, Portugal,
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Gries RR, Straw K. Manifestations and treatment of central nervous system complications associated with synthetic cathinone (“bath salts”) toxicities. Ment Health Clin 2013. [DOI: 10.9740/mhc.n183656] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Ryan R. Gries
- 1 College of Pharmacy Glendale, Midwestern University
| | - Kristyn Straw
- 2 Southern Arizona VA Health Care System, Tucson, AZ
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Abstract
In the last few years, the variety and recreational use of 'legal high' designer stimulants has increased to unprecedented levels. Since their rapid emergence in drug markets, numerous adverse physical and psychological effects have been extensively reported. However, less is understood about the potential for compulsive use of and addiction to these drugs. Recently, a small collection of scientific studies assessing the abuse liability of these drugs has emerged. This new knowledge has been derived primarily from animal studies using behaviorally based procedures which include intravenous self-administration, conditioned place preference, intracranial self-stimulation, and drug discrimination. In this review we present a brief history of the recent rise in designer stimulant use followed by a short methodological description of the aforementioned procedures. We then review neurochemical and abuse liability studies on designer stimulants that have been examined to date. Finally, we conclude with a discussion of these collective findings, our current understanding of the abuse liability of these drugs in relation to each other and the illicit drugs they are designed to mimic, and recommend future research directions.
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German CL, Fleckenstein AE, Hanson GR. Bath salts and synthetic cathinones: an emerging designer drug phenomenon. Life Sci 2013; 97:2-8. [PMID: 23911668 DOI: 10.1016/j.lfs.2013.07.023] [Citation(s) in RCA: 203] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Revised: 07/17/2013] [Accepted: 07/19/2013] [Indexed: 11/18/2022]
Abstract
Synthetic cathinones are an emerging class of designer drugs abused for psychostimulant and hallucinogenic effects similar to cocaine, methylenedioxymethamphetamine (MDMA), or other amphetamines. Abuse of synthetic cathinones, frequently included in products sold as 'bath salts', became prevalent in early 2009, leading to legislative classification throughout Europe in 2010 and schedule I classification within the United States in 2011. Recent pre-clinical and clinical studies indicate that dysregulation of central monoamine systems is a principal mechanism of synthetic cathinone action and presumably underlie the behavioral effects and abuse liability associated with these drugs. This review provides insight into the development of synthetic cathinones as substances of abuse, current patterns of their abuse, known mechanisms of their action and toxicology, and the benefits and drawbacks of their classification.
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Affiliation(s)
- Christopher L German
- Department of Pharmacology & Toxicology, University of Utah, Salt Lake City, UT 84112, USA.
| | - Annette E Fleckenstein
- Department of Pharmacology & Toxicology, University of Utah, Salt Lake City, UT 84112, USA
| | - Glen R Hanson
- Department of Pharmacology & Toxicology, University of Utah, Salt Lake City, UT 84112, USA
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Vandrey R, Johnson MW, Johnson PS, Khalil MA. Novel Drugs of Abuse: A Snapshot of an Evolving Marketplace. ADOLESCENT PSYCHIATRY 2013; 3:123-134. [PMID: 24921061 DOI: 10.2174/2210676611303020003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND & OBJECTIVES Over the past decade, non-medical use of novel drugs has proliferated worldwide. In most cases these are synthetic drugs first synthesized in academic or pharmaceutical laboratories for research or drug development purposes, but also include naturally occurring substances that do not fit the typical pharmacological or behavioral profile of traditional illicit substances. Perhaps most unique to this generation of new drugs is that they are being sold over the counter and on the Internet as "legal highs" or substitutes for traditional illicit drugs such as cannabis, cocaine, amphetamines, MDMA, and LSD. The purpose of this review is to provide an overview of novel drugs in current use, including the epidemiology of use and toxicologic and pharmacological properties, and to offer some guidelines to clinicians who see patients experiencing adverse effects from these drugs. METHOD We review the known scientific literature on recently introduced synthetic drug types, synthetic cannabinoids and synthetic cathinones, and the hallucinogen Salvia divinorum. RESULTS These substances comprise part of a rapidly evolving and controversial drug market that has challenged definitions of what is legal and illegal, has benefitted from open commercial sales without regulatory oversight, and is noteworthy for the pace at which new substances are introduced. CONCLUSIONS This emerging trend in substance use presents significant and unique public health and criminal justice challenges. At this time, these substances are not detected in routine drug screens and substance-specific treatment for cases of use-related toxicity are not available. Clinicians are encouraged to learn characteristic signs associated with misuse of novel drugs to recognize cases in their practice, and are recommended to use a symptom-specific approach for treatment in each case.
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Affiliation(s)
- Ryan Vandrey
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Matthew W Johnson
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Patrick S Johnson
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Miral A Khalil
- Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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