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Polke M, Concheiro M, Cooper G, Bogdal C, Baumgartner MR, Krämer T, Binz TM. Development and validation of a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method including 25 novel synthetic opioids in hair and subsequent analysis of a Swiss opioid consumer cohort. Drug Test Anal 2024. [PMID: 38382125 DOI: 10.1002/dta.3663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/22/2024] [Accepted: 02/01/2024] [Indexed: 02/23/2024]
Abstract
Major public health concern is raised by the evidence that common drugs like heroin are now frequently laced or replaced with highly potent novel synthetic opioids (NSOs). The objective of this study was to explore the prevalence and patterns of NSOs in a cohort of Swiss opioid users by hair analysis. Hair analysis is considered an ideal tool for retrospective consumption monitoring. Hair samples from 439 opioid users in Zurich were analyzed. Study inclusion required a previous positive hair test result for heroin metabolites, oxycodone, fentanyl, methadone, or tramadol. The samples were extracted with a two-step extraction procedure, followed by a targeted LC-MS/MS (QTRAP® 6500+) analysis in multiple reaction monitoring mode for a total of 25 NSOs. The method underwent full validation and demonstrated good selectivity and sensitivity with limits of detection (LOD) as low as 0.1 pg/mg. The analyzed sample cohort demonstrated a positivity rate for NSOs of 2.5%, including the following NSOs: butyrylfentanyl, acrylfentanyl, furanylfentanyl, methoxyacetylfentanyl, ocfentanil, U-47700, isobutyrylfentanyl and benzylfentanyl. Furthermore, we were able to identify specific consumption patterns among drug users. The results indicate that hair analysis is a valuable tool for investigating the prevalence of NSOs in drug-using populations, which seems to be low in the case of Swiss opioid users. Nevertheless, the results highlight the need for sensitive analytical detection methods in forensic toxicology to identify and monitor substance distribution in different populations.
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Affiliation(s)
- Max Polke
- Center for Forensic Hair Analytics, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Marta Concheiro
- Department of Sciences, John Jay College of Criminal Justice, City University of New York, New York City, New York, USA
| | - Gail Cooper
- Department of Forensic Toxicology, Office of Chief Medical Examiner, New York City, New York, USA
| | | | - Markus R Baumgartner
- Center for Forensic Hair Analytics, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Thomas Krämer
- Department of Forensic Pharmacology and Toxicology, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Tina M Binz
- Center for Forensic Hair Analytics, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
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2
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Palmquist KB, Truver MT, Shoff EN, Krotulski AJ, Swortwood MJ. Review of analytical methods for screening and quantification of fentanyl analogs and novel synthetic opioids in biological specimens. J Forensic Sci 2023; 68:1643-1661. [PMID: 37221651 DOI: 10.1111/1556-4029.15282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/24/2023] [Accepted: 05/05/2023] [Indexed: 05/25/2023]
Abstract
Fentanyl, fentanyl analogs, and other novel synthetic opioids (NSO), including nitazene analogs, prevail in forensic toxicology casework. Analytical methods for identifying these drugs in biological specimens need to be robust, sensitive, and specific. Isomers, new analogs, and slight differences in structural modifications necessitate the use of high-resolution mass spectrometry (HRMS), especially as a non-targeted screening method designed to detect newly emerging drugs. Traditional forensic toxicology workflows, such as immunoassay and gas chromatography mass spectrometry (GC-MS), are generally not sensitive enough for detection of NSOs due to observed low (sub-μg/L) concentrations. For this review, the authors tabulated, reviewed, and summarized analytical methods from 2010-2022 for screening and quantification of fentanyl analogs and other NSOs in biological specimens using a variety of different instruments and sample preparation approaches. Limits of detection or quantification for 105 methods were included and compared to published standards and guidelines for suggested scope and sensitivity in forensic toxicology casework. Methods were summarized by instrument for screening and quantitative methods for fentanyl analogs and for nitazenes and other NSO. Toxicological testing for fentanyl analogs and NSOs is increasingly and most commonly being conducted using a variety of liquid chromatography mass spectrometry (LC-MS)-based techniques. Most of the recent analytical methods reviewed exhibited limits of detection well below 1 μg/L to detect low concentrations of increasingly potent drugs. In addition, it was observed that most newly developed methods are now using smaller sample volumes which is achievable due to the sensitivity increase gained by new technology and new instrumentation.
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Affiliation(s)
| | - Michael T Truver
- Forensic Toxicology Laboratory, Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, Florida, USA
| | - Elisa N Shoff
- Miami-Dade Medical Examiner Department, Miami, Florida, USA
| | - Alex J Krotulski
- Center for Forensic Science Research and Education, Fredric Rieders Family Foundation, Willow Grove, Pennsylvania, USA
| | - Madeleine J Swortwood
- Department of Forensic Science, Sam Houston State University, Huntsville, Texas, USA
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3
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Salomone A, Galletto M, Massano M, Di Corcia D, Palamar JJ, Vincenti M. Detection of fentanyl, synthetic opioids, and ketamine in hair specimens from purposive samples of American and Italian populations. J Forensic Sci 2023; 68:1698-1707. [PMID: 37515395 PMCID: PMC10529932 DOI: 10.1111/1556-4029.15348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023]
Abstract
With the current crisis related to the diffusion of fentanyl and other novel opioids in several countries and populations, new and effective approaches are needed to better elucidate the phenomenon. In this context, hair testing offers a unique perspective in the investigation of drug consumption, producing useful information in terms of exposure to psychoactive substances. In this research, we applied targeted ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) analytical methods to detect novel synthetic and prescription opioids and other common controlled psychoactive drugs in the keratin matrix. A total of 120 hair samples were analyzed from the United States (US) and Italy, segmented when longer than 6 cm, and then analyzed. In the 60 samples (83 segments in total) analyzed from a purposive sample of data collected in the US, fentanyl was detected in 14 cases (16.9%), with no detection of nitazens or brorphine. We also detected fentanyl metabolites, despropionyl-p-fluorofentanyl, and prescription opioids. In the 60 samples collected in Italy (91 segments in total), ketamine was the most prevalent compound detected (in 41 cases; 45.1%), with ketamine demonstrating a strong correlation with detection of amphetamines and MDMA, likely due to co-use of these substances in recreational contexts. Several common drugs were also detected but no exposure to fentanyl or its analogs were detected. Results of this retrospective exploration of drug use add to increasing evidence that hair testing can serve as a useful adjunct to epidemiology studies that seek to determine biologically confirmed use and exposure in high-risk populations.
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Affiliation(s)
- Alberto Salomone
- Department of Chemistry, University of Turin, Turin, Italy
- Centro Regionale Antidoping, Orbassano (TO), Italy
| | | | - Marta Massano
- Department of Chemistry, University of Turin, Turin, Italy
| | | | - Joseph J. Palamar
- New York University Grossman School of Medicine, Department of Population Health, New York, NY, USA
| | - Marco Vincenti
- Department of Chemistry, University of Turin, Turin, Italy
- Centro Regionale Antidoping, Orbassano (TO), Italy
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4
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Uljon S. Advances in fentanyl testing. Adv Clin Chem 2023; 116:1-30. [PMID: 37852717 DOI: 10.1016/bs.acc.2023.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
Fentanyl is a synthetic opioid that was approved by the FDA in the late 1960s. In the decades since, non-prescription use of fentanyl, its analogs, and structurally unrelated novel synthetic opioids (NSO) has become a worsening public health crisis. There is a clear need for accessible testing for these substances in biological specimens and in apprehended drugs. Immunoassays for fentanyl in urine are available but their performance is restricted to facilities that hold moderate complexity laboratory licenses. Immunoassays for other matrices such as oral fluid (OF), blood, and meconium have been developed but are not widely available. Point of care tests (POCT), such as lateral flow immunoassays or fentanyl test strips (FTS), are widely available but not approved by the FDA for clinical use. All immunoassays are vulnerable to false positive and false negative results. Immunoassays may or may not be able to detect fentanyl analogs and NSOs. Mass spectrometry (MS) can accurately and reliably measure fentanyl and its major metabolite norfentanyl in urine and oral fluid. MS is available at reference laboratories and large hospitals. Liquid chromatography paired with tandem mass spectrometry (LC-MS/MS) is the most widely used method and has outstanding specificity and sensitivity for fentanyl and norfentanyl. When compared to immunoassays, MS is more expensive, requires more technical skill, and takes longer to result. Newer mass spectrometry methods can measure fentanyl analogs and NSO. Both mass spectrometry assays and immunoassays [in the form of fentanyl test strips (FTS)] have potential use in harm reduction programs.
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Affiliation(s)
- Sacha Uljon
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States.
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5
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Qu F, Lin L, Nie P, Xia Z. High-Precision Automatic Identification of Fentanyl-Related Drugs by Terahertz Spectroscopy with Molecular Dynamics Simulation and Spectral Similarity Mapping. Int J Mol Sci 2022; 23:ijms231810321. [PMID: 36142226 PMCID: PMC9499453 DOI: 10.3390/ijms231810321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
Abstract
Fentanyl is a potent opioid analgesic with high bioavailability. It is the leading cause of drug addiction and overdose death. To better control the abuse of fentanyl and its derivatives, it is crucial to develop rapid and sensitive detection methods. However, fentanyl-related substrates undergo similar molecular structures resulting in similar properties, which are difficult to be identified by conventional spectroscopic methods. In this work, a method for the automatic identification of 8 fentanyl-related substances with similar spectral characteristics was developed using terahertz (THz) spectroscopy coupled with density functional theory (DFT) and spectral similarity mapping (SSM). To characterize the THz fingerprints of these fentanyl-related samples more accurately, the method of baseline estimation and denoising with sparsity was performed before revealing the unique molecular dynamics of each substance by DFT. The SSM method was proposed to identify these fentanyl analogs based on weighted spectral cosine–cross similarity and fingerprint discrete Fréchet distance, generating a matching list by stepwise searching the entire spectral database. The top matched list returned the identification results of the target fentanyl analogs with accuracies of 94.48~99.33%. Results from this work provide algorithms’ increased reliability, which serves as an artificial intelligence-based tool for high-precision fentanyl analysis in real-world samples.
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Affiliation(s)
- Fangfang Qu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
- College of Mechanical and Electrical Engineering, Fujian Agriculture and Forestry University, Fuzhou 310002, China
| | - Lei Lin
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture and Rural Affairs, Hangzhou 310058, China
| | - Pengcheng Nie
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture and Rural Affairs, Hangzhou 310058, China
| | - Zhengyan Xia
- School of Medicine, Zhejiang University City College, Hangzhou 310015, China
- Correspondence: ; Tel.: +86-0571-8898-2456
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6
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Zhao Q, Wang R, Liang C, Chen Y, Sheng Z, Xu Z, Zhang Y. Extension of the Temporal Window for the Determination of Alpha-Methylthiofentanyl and Thiofentanyl in Rat Urine by Monitoring the Metabolite Norfentanyl Using Online Solid-Phase Extraction (SPE) Coupled with Ultra-High Performance Liquid Chromatography–Tandem Mass Spectrometry (UHPLC–MS/MS). ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2087229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- Qingjia Zhao
- State Key Laboratory of New Drug and Pharmaceutical Process, China State Institute of Pharmaceutical Industry, Shanghai, China
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Science, Shanghai, China
| | - Rong Wang
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Science, Shanghai, China
| | - Chen Liang
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Science, Shanghai, China
| | - Yao Chen
- State Key Laboratory of New Drug and Pharmaceutical Process, China State Institute of Pharmaceutical Industry, Shanghai, China
- Shanghai Professional and Technical Service Center for Biological Material Drug-ability Evaluation, Shanghai, China
| | - Zhenhai Sheng
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Science, Shanghai, China
| | - Zhiru Xu
- State Key Laboratory of New Drug and Pharmaceutical Process, China State Institute of Pharmaceutical Industry, Shanghai, China
- Shanghai Professional and Technical Service Center for Biological Material Drug-ability Evaluation, Shanghai, China
| | - Yurong Zhang
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Institute of Forensic Science, Shanghai, China
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7
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Wei Q, Su FH. Determination of Nine Fentanyl Drugs in Hair Samples by GC-MS/MS and LC-MS/MS. ACS OMEGA 2022; 7:19176-19182. [PMID: 35721898 PMCID: PMC9202058 DOI: 10.1021/acsomega.2c00087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 05/09/2022] [Indexed: 06/15/2023]
Abstract
We established GC-MS/MS and LC-MS/MS analysis methods for nine fentanyl drugs in hair samples. Human hairs were prepared by soaking in a solution of water-dimethyl sulfoxide with target analytes. The drugs were norfentanyl, acetyl fentanyl, para-fluorofentanyl, isobutyryl fentanyl, fentanyl, thiofentanyl, 4-fluoroisobutyr fentanyl, ocfentanil, and tetrahydrofuran fentanyl. For a single-factor experiment, a Box-Behnken design-response surface was used to optimize the pretreatment conditions of samples. The prepared samples were quantitatively analyzed by GC-MS/MS and LC-MS/MS. The working curve method was used for quantitative analysis with fentanyl-D5 as the internal standard. The concentrations of the nine fentanyl drugs in the samples were 1.488-6.494 ng mg-1, RSDs < 5.0%. For GC-MS/MS, the linear range of the nine fentanyl drugs was 0.5-5.0 ng mg-1, r 2 > 0.999. The detection limits were 0.02-0.05 ng mg-1, and the recovery rates were >86%. For LC-MS/MS, the nine fentanyl drugs had an excellent linear relationship within the concentration range of 3.0-220.0 pg mg-1, r 2 > 0.999. The detection limits were 0.05 pg mg-1 and the recovery rates were >84%. The established methods were used for the detection of fentanyl drugs in human hairs, with high sensitivity, accuracy, and specificity. These two methods can be used for the certification of fentanyl certified reference substances (CRMs). In the experiment, the developed hair CRMs, which will continue to be studied in the future, are expected to be used in forensic drug abuse detection.
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Affiliation(s)
| | - Fu Hai Su
- . Tel: +86 1064524787. Fax: +86 1064524787
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8
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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] [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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Truver MT, Chronister CW, Kinsey AM, Hoyer JL, Goldberger BA. Toxicological Analysis of Fluorofentanyl Isomers in Postmortem Blood. J Anal Toxicol 2022; 46:835-843. [DOI: 10.1093/jat/bkac014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/14/2022] [Accepted: 03/10/2022] [Indexed: 11/13/2022] Open
Abstract
Abstract
The opioid epidemic continues to evolve in the United States (US) with fentanyl the most prevalent synthetic opioid in fatal drug overdoses. Following the scheduling of fentanyl’s core structure in 2018, there was a notable decline in the prevalence of fentanyl analogs in decedents; however, fluorofentanyl began being reported in casework in the winter of 2020. Fluorofentanyl has three positional isomers (para-fluorofentanyl, ortho-fluorofentanyl, and meta-fluorofentanyl) with the most predominant isomer that has recently emerged in the US being para-fluorofentanyl. The goal of this study was to identify para-fluorofentanyl in postmortem cases between October 2020 and April 2021. Urine and blood were extracted using UCT Clean Screen® extraction columns then screened using an Agilent 1290 Infinity liquid chromatograph (LC) coupled to an Agilent 6545 accurate mass time-of-flight mass spectrometer (TOF-MS) and quantified using an Agilent 6890N GC system coupled with an Agilent 5973 MS. The limit of quantitation (LOQ) for fentanyl, acetyl fentanyl, butyryl fentanyl, para-fluorofentanyl, ortho-fluorofentanyl, and meta-fluorofentanyl was 2.5 ng/mL. The screening method could not differentiate the three positional isomers of fluorofentanyl. Suspected overdose cases (n=270) received from October 2020 through March 2021 from four Medical Examiner Districts in the state of Florida were analyzed for the presence of fluorofentanyl. The LC–QTOF-MS screen yielded 27 decedents positive for fluorofentanyl with a majority being Caucasian (93%) and male (70%) with ages ranging from 27 to 63 years old. Analysis of the blood and urine by GC–MS yielded fourteen decedents positive for para-fluorofentanyl, nine of which were positive in the blood. The blood concentrations (n=9) for para-fluorofentanyl ranged from <LOQ to 30 ng/mL, with an average and median of 9.87 ng/mL and 5.5 ng/mL, respectively. Para-fluorofentanyl was identified in the blood of 33% of the cases, and the concentration of para-fluorofentanyl was generally higher than previously reported.
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Affiliation(s)
- Michael T Truver
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Chris W Chronister
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Amy M Kinsey
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Jennifer L Hoyer
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL 32610, USA
| | - Bruce A Goldberger
- Department of Pathology, Immunology, and Laboratory Medicine, University of Florida College of Medicine, Gainesville, FL 32610, USA
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10
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Carelli C, Radogna A, Bolcato V, Vignali C, Moretti M, Merli D, Morini L. Old and New Synthetic and Semi-synthetic Opioids Analysis in Hair: A Review. TALANTA OPEN 2022. [DOI: 10.1016/j.talo.2022.100108] [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] Open
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11
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Patel JC, Parveen S. In Vitro and In Vivo Analysis of Fentanyl and Fentalog Metabolites using Hyphenated Chromatographic Techniques: A Review. Chem Res Toxicol 2021; 35:30-42. [PMID: 34957817 DOI: 10.1021/acs.chemrestox.1c00225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Fentanyl and fentanyl analogues (also called fentalogs) are used as medical prescriptions to treat pain for a long time. Apart from their pharmaceutical applications, they are misused immensely, causing the opioid crisis. Fentanyl and its analogues are produced in clandestine laboratories and sold over dark Web markets to different parts of the world, leading to a rise in the death rate due to drug overdose. This is because the users are unaware of the lethal effects of the newer forms of fentalogs. Unlike other drugs, these fentalogs cannot be detected easily, as very little data are available, and this is one of the major reasons for the risk of life-threatening poisoning or deaths. Hence, rigorous studies of these drugs and their possible metabolites are required. It is also necessary to develop techniques for the detection of minute traces of metabolites in biological fluids. This Review provides an overview of the application of hyphenated chromatographic techniques used to analyze multiple novel fentalogs, using in vivo and in vitro methods. The article focuses on the metabolites formed in phase I and phase II processes in biological specimens obtained in recent cases of drug abuse and overdose deaths that could be useful for the detection and differentiation of multiple fentalogs.
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Affiliation(s)
- Jayashree C Patel
- Department of Forensic Science, School of Sciences, Jain (Deemed-to-be University), Bengaluru 560027, Karnataka, India
| | - Suphiya Parveen
- Department of Life Science, School of Sciences, Jain (Deemed-to-be University), Bengaluru 560027, Karnataka, India
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12
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Allibe N, Paysant F, Willeman T, Stanke-Labesque F, Scolan V, Eysseric H. Ocfentanil testing in hair from a fatality case: Comparative analysis of a lock of hair versus a single hair fiber. Forensic Sci Int 2021; 326:110937. [PMID: 34352408 DOI: 10.1016/j.forsciint.2021.110937] [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: 04/07/2021] [Revised: 07/23/2021] [Accepted: 07/24/2021] [Indexed: 10/20/2022]
Abstract
In clinical and forensic toxicology, hair analysis offers a larger window for detecting drug exposure than blood or urine. Drug measurements are generally carried out using a segmented lock of hair, but few articles report the use of a single hair to document drug exposure. Nevertheless, single hair analysis can be very useful, particularly if only small amounts of biological matrices are available. More data on analyzing new synthetic opioids (NSOs) in hair are needed to help interpretation in future cases. In this study, segmental single hair analysis is compared with segmental hair lock analysis to document an ocfentanil-related death. The hair lock and single hair analyses were performed using the LC-MS/MS method after decontamination and incubation. Ocfentanil (OcF) concentrations ranged from 42 to 150 pg/mg in the segmented hair lock, depending on the segments. The hair lock and single hair analyses showed similar results: the highest concentrations were measured in the first two centimeters and decreased from root to tip. The similar profiles obtained from both the lock of hair and the single hair demonstrate the relevance of single hair analysis in cases where very few data are available. This article describes OcF concentrations in an authentic hair sample after a documented intake of this molecule in a fatality.
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Affiliation(s)
- N Allibe
- Laboratoire de Médecine Légale, Université Grenoble Alpes, France.
| | - F Paysant
- Laboratoire de Médecine Légale, Université Grenoble Alpes, France; Clinique de Médecine Légale, CHU Grenoble Alpes, France
| | - T Willeman
- Clinique de Médecine Légale, CHU Grenoble Alpes, France; Laboratoire de Pharmacologie, Pharmacogénétique-Toxicologie, CHU Grenoble Alpes, France
| | - F Stanke-Labesque
- Laboratoire de Pharmacologie, Pharmacogénétique-Toxicologie, CHU Grenoble Alpes, France
| | - V Scolan
- Laboratoire de Médecine Légale, Université Grenoble Alpes, France; Clinique de Médecine Légale, CHU Grenoble Alpes, France
| | - H Eysseric
- Laboratoire de Médecine Légale, Université Grenoble Alpes, France; Laboratoire de Pharmacologie, Pharmacogénétique-Toxicologie, CHU Grenoble Alpes, France
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13
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Baumann MH, Tocco G, Papsun DM, Mohr AL, Fogarty MF, Krotulski AJ. U-47700 and Its Analogs: Non-Fentanyl Synthetic Opioids Impacting the Recreational Drug Market. Brain Sci 2020; 10:E895. [PMID: 33238449 PMCID: PMC7700279 DOI: 10.3390/brainsci10110895] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/16/2020] [Accepted: 11/18/2020] [Indexed: 11/17/2022] Open
Abstract
The recreational use of opioid drugs is a global threat to public health and safety. In particular, an epidemic of opioid overdose fatalities is being driven by illicitly manufactured fentanyl, while novel synthetic opioids (NSOs) are appearing on recreational drug markets as standalone products, adulterants in heroin, or ingredients in counterfeit drug preparations. Trans-3,4-dichloro-N-[2-(dimethylamino)cyclohexyl]-N-methylbenzamide (U-47700) is a prime example of a non-fentanyl NSO that is associated with numerous intoxications and fatalities. Here, we review the medicinal chemistry, preclinical pharmacology, clandestine availability, methods for detection, and forensic toxicology of U-47700 and its analogs. An up-to-date summary of the human cases involving U-47700 intoxication and death are described. The evidence demonstrates that U-47700 is a potent μ-opioid receptor agonist, which poses a serious risk for overdosing and death. However, most analogs of U-47700 appear to be less potent and have been detected infrequently in forensic specimens. U-47700 represents a classic example of how chemical entities from the medicinal chemistry or patent literature can be diverted for use in recreational drug markets. Lessons learned from the experiences with U-47700 can inform scientists, clinicians, and policymakers who are involved with responding to the spread and impact of NSOs.
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Affiliation(s)
- Michael H. Baumann
- Designer Drug Research Unit, Intramural Research Program, National Institute on Drug Abuse, National Institutes of Health, 333 Cassell Drive, Suite 4400, Baltimore, MD 21224, USA
| | - Graziella Tocco
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria di Monserrato, Monserrato, 09042 Cagliari, Italy;
| | - Donna M. Papsun
- Toxicology Department, NMS Labs, 200 Welsh Road, Horsham, PA 19044, USA;
| | - Amanda L. Mohr
- Center for Forensic Science Research and Education, Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, 19090 PA, USA; (A.L.M.); (M.F.F.); (A.J.K.)
| | - Melissa F. Fogarty
- Center for Forensic Science Research and Education, Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, 19090 PA, USA; (A.L.M.); (M.F.F.); (A.J.K.)
| | - Alex J. Krotulski
- Center for Forensic Science Research and Education, Fredric Rieders Family Foundation, 2300 Stratford Ave, Willow Grove, 19090 PA, USA; (A.L.M.); (M.F.F.); (A.J.K.)
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14
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Salomone A, Di Corcia D, Negri P, Kolia M, Amante E, Gerace E, Vincenti M. Targeted and untargeted detection of fentanyl analogues and their metabolites in hair by means of UHPLC-QTOF-HRMS. Anal Bioanal Chem 2020; 413:225-233. [PMID: 33063167 PMCID: PMC7801321 DOI: 10.1007/s00216-020-02994-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/25/2020] [Accepted: 10/06/2020] [Indexed: 12/25/2022]
Abstract
Detection of new psychoactive substances and synthetic opioids is generally performed by means of targeted methods in mass spectrometry, as they generally provide adequate sensitivity and specificity. Unfortunately, new and unexpected compounds are continuously introduced in the illegal market of abused drugs, preventing timely updating of the analytical procedures. Moreover, the investigation of biological matrices is influenced by metabolism and excretion, in turn affecting the chance of past intake detectability. In this scenario, new opportunities are offered by both the non-targeted approaches allowed by modern UHPLC-HRMS instrumentation and the investigation of hair as the matrix of choice to detect long-term exposure to toxicologically relevant substances. In this study, we present a comprehensive and validated workflow that combines the use of UHPLC-QTOF-HRMS instrumentation with a simple hair sample extraction procedure for the detection of a variety of fentanyl analogues and metabolites. A simultaneous targeted and untargeted analysis was applied to 100 real samples taken from opiates users. MS and MS/MS data were collected for each sample. Data acquisition included a TOF-MS high-resolution scan combined with TOF-MS/MS acquisition demonstrating considerable capability to detect expected and unexpected substances even at low concentration levels. The predominant diffusion of fentanyl was confirmed by its detection in 68 hair samples. Other prevalent analogues were furanylfentanyl (28 positive samples) and acetylfentanyl (14 positive samples). Carfentanil, methylfentanyl, and ocfentanil were not found in any of the analyzed samples. Furthermore, the retrospective data analysis based on untargeted acquisition allowed the identification of two fentanyl analogues, namely β-hydroxyfentanyl and methoxyacetylfentanyl, which were not originally included in the panel of targeted analytes.
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Affiliation(s)
- Alberto Salomone
- Centro Regionale Antidoping e di Tossicologia, Regione Gonzole 10/1, 10043, Orbassano, TO, Italy. .,Department of Chemistry, University of Turin, Via Pietro Giuria 5, 10125, Torino, Italy.
| | - Daniele Di Corcia
- Centro Regionale Antidoping e di Tossicologia, Regione Gonzole 10/1, 10043, Orbassano, TO, Italy
| | | | - Maria Kolia
- Department of Chemistry, University of Ioannina, Ioannina Campus, 1186, Ioannina, 45500, Greece
| | - Eleonora Amante
- Department of Chemistry, University of Turin, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Enrico Gerace
- Centro Regionale Antidoping e di Tossicologia, Regione Gonzole 10/1, 10043, Orbassano, TO, Italy
| | - Marco Vincenti
- Centro Regionale Antidoping e di Tossicologia, Regione Gonzole 10/1, 10043, Orbassano, TO, Italy.,Department of Chemistry, University of Turin, Via Pietro Giuria 5, 10125, Torino, Italy
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15
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Freni F, Moretti M, Radaelli D, Carelli C, Osculati AMM, Tronconi L, Vignali C, Morini L. Determination of fentanyl and 19 derivatives in hair: Application to an Italian population. J Pharm Biomed Anal 2020; 189:113476. [PMID: 32693203 DOI: 10.1016/j.jpba.2020.113476] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 07/09/2020] [Accepted: 07/10/2020] [Indexed: 01/04/2023]
Abstract
Nowadays fentanyl and its analogs represent the most numerous group among synthetic opioid and, due to their higher potency in comparison to traditionl opioids, the main cause of the critical increase of fatal intoxications opioids-intake related in the USA. We developed an LC-MS/MS method for the detection and quantification of fentanyl and its analogs in hair, then applied to 117 real samples, 97 collected from drugs users and 20 from postmortem cases of drugs addicts. The ionization and MRM parameters have been optimized for 27 molecules: 20 reached the acceptance criteria for identification and quantification. LODs and LOQs of 0.2 and 0.5 pg/mg, respectively, were reached for most of the substances, except for five compounds for which were set at 0.5 and 1.0 pg/mg. 2 out of the 97 samples collected from drug users tested positive; one for carfentanil, butyryl fentanyl, THFF and ocfentanil; the other one for 3-methyl norfentanyl. 2 out of the 20 postmortem samples show positive results: one only for fentanyl, the other for furanyl fentanyl, acetyl fentanyl, methoxyacetyl fentanyl, methoxyacetyl norfentanyl, ocfentanil and 4-ANPP. Despite the relatively small number of samples, the results suggest that the method should be included in routine hair analyses for monitoring the new synthetic opioids potential intake by drug users.
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Affiliation(s)
- Francesca Freni
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy.
| | - Matteo Moretti
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy
| | - Davide Radaelli
- Department of Medicine, Surgery and Health, University of Trieste, Trieste, Italy
| | - Claudia Carelli
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy
| | - Antonio Marco Maria Osculati
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy; U.O. Medicina Legale, IRCCS Fondazione Mondino, Pavia, Italy
| | - Livio Tronconi
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy; U.O. Medicina Legale, IRCCS Fondazione Mondino, Pavia, Italy
| | - Claudia Vignali
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy
| | - Luca Morini
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, via Forlanini 12, 27100, Pavia, Italy
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