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Cobo-Golpe M, de-Castro-Ríos A, Lendoiro E. Current status of keratinized matrices in Toxicology: Comparison of hair and nails. Drug Test Anal 2024. [PMID: 38853411 DOI: 10.1002/dta.3748] [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: 04/25/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/11/2024]
Abstract
Nails are a keratinized matrix that has been proposed as an alternative to hair to evaluate long-term and retrospective consumption of drugs of abuse and pharmaceuticals. This matrix has been gaining interest in recent years, with new studies focusing on the analysis of fingernails and/or toenails for different substances. However, nails and hair present differences in structure, growth, and incorporation pathways that may affect drug incorporation and analysis and complicate the interpretation of the results. To better understand the results in nail samples, a comparison of concentrations found in hair, fingernails, and toenails has been described in the literature for some drugs. This review unifies the results found in the literature, with special interest on studies that report paired samples from the same individuals. Differences between fingernail and toenail samples, as well as proposed cut-offs in nails, are also discussed. Definite conclusions can be reached for some drugs, but, in general, more standardized studies are needed to better understand nail results.
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Affiliation(s)
- M Cobo-Golpe
- Toxicology Service, Institute of Forensic Sciences, Santiago de Compostela, Spain
| | - A de-Castro-Ríos
- Toxicology Service, Institute of Forensic Sciences, Santiago de Compostela, Spain
| | - E Lendoiro
- Toxicology Service, Institute of Forensic Sciences, Santiago de Compostela, Spain
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Turkmen Z, Arslan Z, Oka M, Yayla M, Bavunoglu I. LC-MS/MS quantification of olanzapine in hair after alkaline digestion. Drug Test Anal 2024. [PMID: 38840461 DOI: 10.1002/dta.3744] [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: 03/08/2024] [Revised: 05/17/2024] [Accepted: 05/23/2024] [Indexed: 06/07/2024]
Abstract
Olanzapine (OLZ), a second-generation antipsychotic drug, is effective in the treatment of acute psychosis, schizophrenia, agitation, bipolar mania, and other psychiatric problems. Antipsychotics are prescribed drugs, which lead the drug abuser to illegal methods of access. This behavior also demonstrates the association of OLZ with criminal involvement, commonly observed at forensic crime scenes. The acute toxicity and even death resulting from OLZ exposure have been highlighted in numerous studies. Therefore, developing analytical techniques to detect OLZ is essential for forensic toxicology. This study aimed to develop a specific and reliable LC-MS/MS method for OLZ detection and quantification in hair samples. The method was validated in terms of selectivity, linearity, limit of detection (LOD), limit of quantification (LOQ), trueness, precision, and uncertainty. The range of linearity was between 0.1-100 ng/mg, with LOD and LOQ values established at 0.036 ng/mg and 0.1 ng/mg, respectively. All validation results are within acceptable parameters. The validated method has been applied to authentic hair samples. The variation of OLZ concentrations in 12 hair segments (2 from Case 1 and 10 from Case 2) from two drug-positive patients, ranging from 0.131 to 0.460 ng/mg, is presented in this study. Although several studies have been conducted to determine OLZ in hair samples using segmental analysis via hair solubilization, this study is the first to determine OLZ in hair samples after "digestion" with comparative parameters prior to chromatographic analysis.
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Affiliation(s)
- Zeynep Turkmen
- Department of Science, Institute of Forensic Sciences and Legal Medicine, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Zeynep Arslan
- Department of Science, Institute of Forensic Sciences and Legal Medicine, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Merve Oka
- Department of Science, Institute of Forensic Sciences and Legal Medicine, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Murat Yayla
- Department of Science, Institute of Forensic Sciences and Legal Medicine, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Isil Bavunoglu
- Department of Internal Medicine, Cerrahpaşa Medical Faculty, Istanbul University-Cerrahpaşa, Istanbul, Turkey
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Hrichi H, Kouki N, Elkanzi NAA. Chromatographic Methods for the Analysis of the Antipsychotic Drug Clozapine and Its Major Metabolites: A Review. J Chromatogr Sci 2024:bmae016. [PMID: 38576210 DOI: 10.1093/chromsci/bmae016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 02/21/2024] [Accepted: 03/14/2024] [Indexed: 04/06/2024]
Abstract
Clozapine (CLZ), a second-generation antipsychotic, can effectively reduce schizophrenia, bipolar disorder and major depression symptoms. This review provides an overview of all reported chromatographic methods (62 references) for the quantification of CLZ and its two main metabolites, norclozapine and clozapine N-oxide in pharmaceutical formulations, biological matrices and environmental samples.
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Affiliation(s)
- Hajer Hrichi
- Chemistry Department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia
| | - Noura Kouki
- Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia
| | - Nadia Ali Ahmed Elkanzi
- Chemistry Department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia
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Šoša I. Quetiapine-Related Deaths: In Search of a Surrogate Endpoint. TOXICS 2024; 12:37. [PMID: 38250993 PMCID: PMC10819769 DOI: 10.3390/toxics12010037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/30/2023] [Accepted: 01/01/2024] [Indexed: 01/23/2024]
Abstract
Quetiapine is a second-generation antipsychotic drug available for two and half decades. Due to increased misuse, prescription outside the approved indications, and availability on the black market, it is being encountered in medicolegal autopsies more frequently. For instance, it has been linked to increased mortality rates, most likely due to its adverse effects on the cardiovascular system. Its pharmacokinetic features and significant postmortem redistribution challenge traditional sampling in forensic toxicology. Therefore, a systematic literature review was performed, inclusive of PubMed, the Web of Science-core collection, and the Scopus databases; articles were screened for the terms "quetiapine", "death", and "autopsy" to reevaluate each matrix used as a surrogate endpoint in the forensic toxicology of quetiapine-related deaths. Ultimately, this review considers the results of five studies that were well presented (more than two matrices, data available for all analyses, for instance). The highest quetiapine concentrations were usually measured in the liver tissue. As interpreted by their authors, the results of the considered studies showed a strong correlation between some matrices, but, unfortunately, the studies presented models with poor goodness of fit. The distribution of quetiapine in distinct body compartments/tissues showed no statistically significant relationship with the length of the postmortem interval. Furthermore, this study did not confirm the anecdotal correlation of peripheral blood concentrations with skeletal muscle concentrations. Otherwise, there was no consistency regarding selecting an endpoint for analysis.
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Affiliation(s)
- Ivan Šoša
- Department of Anatomy, Faculty of Medicine, University of Rijeka, 51000 Rijeka, Croatia
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Yang H, Liu C, Zhu C, Zheng Y, Li J, Zhu Q, Wang H, Fang X, Liu Q, Liang M, Liu Z. Determination of ten antipsychotics in blood, hair and nails: Validation of a LC-MS/MS method and forensic application of keratinized matrix analysis. J Pharm Biomed Anal 2023; 234:115557. [PMID: 37406464 DOI: 10.1016/j.jpba.2023.115557] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/02/2023] [Accepted: 06/27/2023] [Indexed: 07/07/2023]
Abstract
Determination of antipsychotics from biological samples is meaningful in the field of clinical and forensic medicine. Compared to blood, keratinized matrices such as hair and nails have attracted increasing attention in drug analysis for wider detection window. Nevertheless, the distribution and stability of antipsychotics in keratinized matrices are not clarified yet. Therefore, we developed a LC-MS/MS based method for simultaneous determination of 10 antipsychotics from blood, hair and nails, with high recovery (78.1-107.4%, 71.3-93.5% and 75.2-90.5%), low LOD (5-10 pg/mL, 5-10 pg/mg and 5 pg/mg) and high accuracy (96.0%-101.6%, 97.5%-102.5% and 97.6-101.7%). The method was applied to sets of blood, hair, and nail samples of 54 patients who received long-term therapy, and significant correlations between drug concentrations in blood and hair was found, while the correlation between nails and other matrices varied depending on the drug. Except for olanzapine, the concentrations of antipsychotics in segmental hair samples were consistent with drug exposure. Besides, the hair and nail samples of suspects in two forensic cases were analyzed and provided supporting evidence for the suspects' psychiatric state. Our research offered a deeper understanding of keratinized matrix as stable and retrospective bio-samples for antipsychotics detection in forensic practice.
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Affiliation(s)
- Huanhuan Yang
- Department of Forensic Medicine, Huazhong University of Science and Technology, 430000 Wuhan, China
| | - Cong Liu
- Department of Forensic Medicine, Huazhong University of Science and Technology, 430000 Wuhan, China
| | - Chuanhong Zhu
- Criminal Investigation Bureau, Wuhan Public Security Bureau, 430000 Wuhan, China
| | - Yan Zheng
- Criminal Investigation Bureau, Wuhan Public Security Bureau, 430000 Wuhan, China
| | - Juan Li
- Criminal Investigation Bureau, Wuhan Public Security Bureau, 430000 Wuhan, China
| | | | - Hao Wang
- Wuhan YouFu Hospital, 430000 Wuhan, China
| | | | - Quan Liu
- Hubei Key Laboratory of Forensic Science, Hubei University of Police, 430000 Wuhan, China
| | - Man Liang
- Department of Forensic Medicine, Huazhong University of Science and Technology, 430000 Wuhan, China.
| | - Zilong Liu
- Department of Forensic Medicine, Huazhong University of Science and Technology, 430000 Wuhan, China.
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Liu P, Liu W, Qiao H, Jiang S, Wang Y, Chen J, Su M, Di B. Simultaneous quantification of 106 drugs or their metabolites in nail samples by UPLC-MS/MS with high-throughput sample preparation: Application to 294 real cases. Anal Chim Acta 2022; 1226:340170. [DOI: 10.1016/j.aca.2022.340170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/06/2022] [Accepted: 07/12/2022] [Indexed: 11/01/2022]
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Cobo-Golpe M, de-Castro-Ríos A, Cruz A, Páramo M, López-Rivadulla M, Lendoiro E. Determination of antidepressants and benzodiazepines in paired hair and nail samples. Forensic Sci Int 2021; 326:110935. [PMID: 34333195 DOI: 10.1016/j.forsciint.2021.110935] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 07/20/2021] [Accepted: 07/23/2021] [Indexed: 10/20/2022]
Abstract
Hair and nails are keratinized matrices that can be used in Toxicology as matrices for the long-term detection of substances. Whereas hair is an established matrix with decades of use in this field, nails have been less studied, especially including a comparison to hair samples. Specifically in the case of antidepressant and benzodiazepine drugs, very few publications analyzing these drugs in nail samples exist as of yet. For this reason, in the present study a method for the detection of 12 antidepressant and benzodiazepine drugs in hair and nail samples was developed. Samples were decontaminated with 3 washes of dichloromethane, and 25 or 30 mg of hair and nails, respectively, were pulverized. Then, the samples were incubated with 1.5 mL water:ACN (50:50, v/v) with horizontal agitation for 90 min. The supernatant was evaporated and reconstituted in 200 µL of methanol and 2 mL of 2% FA in water, submitted to solid phase extraction (SPE) using Oasis MCX cartridges and analyzed by LC-MS/MS. The method was satisfactorily validated in nail and hair samples for the following parameters: linearity, LOD (0.005-0.02 ng/mg), LOQ (0.01-0.02 ng/mg), selectivity, carryover, accuracy, imprecision, matrix effect, extraction efficiency, process efficiency and autosampler stability. Matched fingernail, toenail and hair samples were obtained from 21 patients under treatment with any of the studied drugs and analyzed with the developed method. The most frequently detected drugs were venlafaxine (n = 11), trazodone (n = 6), zolpidem (n = 5), alprazolam (n = 5) and nordiazepam (n = 5). Concentrations in hair, fingernails and toenails, respectively, were 44.31 ng/mg, 8.05-43.35 ng/mg and 7.02-22.69 ng/mg for venlafaxine; 5.40-19.08 ng/mg, 0.13-1.00 ng/mg and 0.42-1.04 ng/mg for trazodone; 13.86 ng/mg, 5.19 ng/mg and 9.11 ng/mg for fluoxetine; 7.42 ng/mg, 1.85 ng/mg and 0.03-2.81 ng/mg for sertraline; 0.40-1.42 ng/mg, 0.12 ng/mg and 0.16 ng/mg for zolpidem; and 0.02-0.11 ng/mg, 0.07-1.07 ng/mg and 0.05 ng/mg for alprazolam for the patients under active treatment. Hair concentrations were higher than nail concentrations for most drugs in patients under active treatment, with the exception of diazepam (n = 1; 0.12 ng/mg in hair and 0.41 ng/mg in fingernails). Fingernail concentrations were lower than toenail concentrations in patients under active treatment in most compared cases. Comparison of fingernails and toenails of a patient with antifungal treatment did not show an observable effect in concentrations.
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Affiliation(s)
- María Cobo-Golpe
- Servicio de Toxicología, Instituto de Ciencias Forenses, Universidade de Santiago de Compostela, San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Ana de-Castro-Ríos
- Servicio de Toxicología, Instituto de Ciencias Forenses, Universidade de Santiago de Compostela, San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Angelines Cruz
- Servicio de Toxicología, Instituto de Ciencias Forenses, Universidade de Santiago de Compostela, San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Mario Páramo
- Servizo de Psiquiatría, Complexo Hospitalario Universitario de Santiago (CHUS), Servizo Galego de Saúde (SERGAS), Santiago de Compostela, Spain
| | - Manuel López-Rivadulla
- Servicio de Toxicología, Instituto de Ciencias Forenses, Universidade de Santiago de Compostela, San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Elena Lendoiro
- Servicio de Toxicología, Instituto de Ciencias Forenses, Universidade de Santiago de Compostela, San Francisco s/n, 15782 Santiago de Compostela, Spain.
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