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Briki M, Murisier A, Guidi M, Seydoux C, Buclin T, Marzolini C, Girardin FR, Thoma Y, Carrara S, Choong E, Decosterd LA. Liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) methods for the therapeutic drug monitoring of cytotoxic anticancer drugs: An update. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1236:124039. [PMID: 38490042 DOI: 10.1016/j.jchromb.2024.124039] [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: 11/16/2023] [Revised: 01/26/2024] [Accepted: 01/31/2024] [Indexed: 03/17/2024]
Abstract
In the era of precision medicine, there is increasing evidence that conventional cytotoxic agents may be suitable candidates for therapeutic drug monitoring (TDM)- guided drug dosage adjustments and patient's tailored personalization of non-selective chemotherapies. To that end, many liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) assays have been developed for the quantification of conventional cytotoxic anticancer chemotherapies, that have been comprehensively and critically reviewed. The use of stable isotopically labelled internal standards (IS) of cytotoxic drugs was strikingly uncommon, accounting for only 48 % of the methods found, although their use could possible to suitably circumvent patients' samples matrix effects variability. Furthermore, this approach would increase the reliability of cytotoxic drug quantification in highly multi-mediated cancer patients with complex fluctuating pathophysiological and clinical conditions. LC-MS/MS assays can accommodate multiplexed analyses of cytotoxic drugs with optimal selectivity and specificity as well as short analytical times and, when using stable-isotopically labelled IS for quantification, provide concentrations measurements with a high degree of certainty. However, there are still organisational, pharmacological, and medical constraints to tackle before TDM of cytotoxic drugs can be more largely adopted in the clinics for contributing to our ever-lasting quest to improve cancer treatment outcomes.
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Affiliation(s)
- M Briki
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; Service of Clinical Pharmacology, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; Bio/CMOS Interfaces Laboratory, École Polytechnique Fédérale de Lausanne-EPFL, 2002 Neuchâtel, Switzerland
| | - A Murisier
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - M Guidi
- Service of Clinical Pharmacology, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, University of Lausanne, 1206 Geneva, Switzerland; Centre for Research and Innovation in Clinical Pharmaceutical Sciences, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - C Seydoux
- Internal Medicine Service, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - T Buclin
- Service of Clinical Pharmacology, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - C Marzolini
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - F R Girardin
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland; Service of Clinical Pharmacology, Department of Medicine, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - Y Thoma
- School of Engineering and Management Vaud, HES-SO University of Applied Sciences and Arts Western Switzerland, 1401 Yverdon-les-Bains, Switzerland
| | - S Carrara
- Bio/CMOS Interfaces Laboratory, École Polytechnique Fédérale de Lausanne-EPFL, 2002 Neuchâtel, Switzerland
| | - E Choong
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland
| | - L A Decosterd
- Laboratory of Clinical Pharmacology, Department of Laboratory Medicine and Pathology, Lausanne University Hospital and University of Lausanne, 1011 Lausanne, Switzerland.
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Mlambo R, Liu J, Wang Q, Tan S, Chen C. Receptors Involved in Mental Disorders and the Use of Clozapine, Chlorpromazine, Olanzapine, and Aripiprazole to Treat Mental Disorders. Pharmaceuticals (Basel) 2023; 16:ph16040603. [PMID: 37111360 PMCID: PMC10142280 DOI: 10.3390/ph16040603] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/07/2023] [Accepted: 04/12/2023] [Indexed: 04/29/2023] Open
Abstract
Mental illnesses are a global health challenge, and effective medicines are needed to treat these conditions. Psychotropic drugs are commonly prescribed to manage mental disorders, such as schizophrenia, but unfortunately, they can cause significant and undesirable side effects, such as myocarditis, erectile dysfunction, and obesity. Furthermore, some schizophrenic patients may not respond to psychotropic drugs, a condition called schizophrenia-treatment resistance. Fortunately, clozapine is a promising option for patients who exhibit treatment resistance. Unlike chlorpromazine, scientists have found that clozapine has fewer neurological side effects. Additionally, olanzapine and aripiprazole are well-known for their moderating effects on psychosis and are widely used in clinical practice. To further maximize drug efficacy, it is critical to deeply understand the receptors or signaling pathways central to the nervous system, such as serotonin, histamine, trace amines, dopamine, and G-protein coupled receptors. This article provides an overview of the receptors mentioned above, as well as the antipsychotics that interact with them, such as olanzapine, aripiprazole, clozapine, and chlorpromazine. Additionally, this article discusses the general pharmacology of these medications.
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Affiliation(s)
- Ronald Mlambo
- Department of Pharmacy, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Jia Liu
- Department of Pharmacy, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Qian Wang
- Department of Pharmacy, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Songwen Tan
- Department of Pharmacy, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
| | - Chuanpin Chen
- Department of Pharmacy, Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, China
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Yu H, Li D, Xiang D, Li X, Liu L, Liu D, Gong X. Development and validation of a novel HPLC-UV method for simultaneous determination of azathioprine metabolites in human red blood cells. Heliyon 2023; 9:e13870. [PMID: 36895397 PMCID: PMC9988558 DOI: 10.1016/j.heliyon.2023.e13870] [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: 10/04/2022] [Revised: 02/06/2023] [Accepted: 02/14/2023] [Indexed: 02/25/2023] Open
Abstract
A rapid, specific and accurate high-performance liquid chromatography with tunable ultraviolet detection method was developed to simultaneously determine azathioprine metabolites, 6-thioguanine nucleotides (6-TGN) and 6-methyl mercaptopurine riboside (6-MMPr) in human red blood cells. Erythrocyte lysate sample was precipitated by perchloric acid under the protection of dithiothreitol, with 6-TGN and 6-MMPr being acid hydrolyzed to produce 6-thioguanine (6-TG) and 6-methymercaptopurine (6-MMP). A Waters Cortecs C18 column (2.1 × 150 mm, 2.7 μm) was used for chromatographic separation with a water (containing 0.01 mol/L ammonium acetate and 0.2% acetic acid)/methanol linear gradient at a flow rate of 0.45 mL/min in a 5.5 min. UV detection wavelengths were 340 nm for 6-TG, 303 nm for 6-MMP and the IS (5-bromouracil). The calibration curves fitted a least squares model (weighed 1/x 2) from 0.15 to 15 μmol/L for 6-TG (r 2 = 0.9999) and from 1 to 100 μmol/L for 6-MMP (r 2 = 0.9998). This method was validated according to the FDA bioanalytical method validation guidance and ICH M10 bioanalytical method validation and study sample analysis guidance for industry, and successfully utilized in ten IBD patients receiving azathioprine therapy.
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Affiliation(s)
- Hengyi Yu
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Wuhan 430030, China
| | - Dongyan Li
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Wuhan 430030, China
| | - Dong Xiang
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Wuhan 430030, China
| | - Xiping Li
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Wuhan 430030, China
| | - Lu Liu
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Wuhan 430030, China
| | - Dong Liu
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Wuhan 430030, China
| | - Xuepeng Gong
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Wuhan 430030, China
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Analysis of mono-, di-, and triphosphates of thioguanosine and methylthioinosine in children with acute lymphoblastic leukemia by LC-MS/MS. J Pharm Biomed Anal 2022; 217:114813. [PMID: 35550492 DOI: 10.1016/j.jpba.2022.114813] [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: 01/29/2022] [Revised: 04/05/2022] [Accepted: 05/02/2022] [Indexed: 11/24/2022]
Abstract
Mercaptopurine (6-MP) is an indispensable, first-line, drug in the treatment of pediatric acute lymphoblastic leukemia (ALL). However, 6-MP has several intrinsic drawbacks, such as large individual variability in the drug response, undesirable adverse reactions, and drug resistance in patients with release ALL, which requires therapeutic drug monitoring (TDM). Several studies analyzed the total concentration of thiopurine nucleotides in red blood cells (RBCs) after hydrolysis, and two studies detected them separately and accurately by liquid chromatography-tandem mass spectrometry (LC-MS/MS). In this study, we developed a rapid and robust LC-MS/MS method for simultaneous quantitation of mono-, di-, and triphosphates of thioguanosine and methylthioinosine. Not only EDTA and DTT were added, but also EHT1864, a new Rac family small GTPases inhibitor, was innovatively added to ensure the stability of the analytes. Commercial availability and relatively low cost compound methotrexate-D3 was selected as internal standards. The linearity, accuracy, precision, recovery, matrix effect and stability of the method were all in line with the guidelines. This method provide an accurate and robust new solution for the determination of 6 metabolites of MP in RBCs from ALL patients with maintenance therapy.
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Bajaj AO, Kushnir MM, Kish-Trier E, Law RN, Zuromski LM, Molinelli AR, McMillin GA, Johnson-Davis KL. LC-MS/MS Method for Measurement of Thiopurine Nucleotides (TN) in Erythrocytes and Association of TN Concentrations With TPMT Enzyme Activity. Front Pharmacol 2022; 13:836812. [PMID: 35387339 PMCID: PMC8978547 DOI: 10.3389/fphar.2022.836812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
Monitoring concentrations of thiopurine metabolites is used clinically to prevent adverse effects in patients on thiopurine drug therapy. We developed a LC-MS/MS method for the quantification of 6-thioguanine (6-TG) and 6-methylmercaptopurine (6-MMP) in red blood cells (RBCs). This method utilizes an automated cell washer for RBC separation from whole blood samples and washing of the separated RBCs. The lower limit of quantification of the method was 0.2 μmol/L for 6-TG (∼50 pmol/8 × 108 RBC) and 4 μmol/L for 6-MMP (∼1,000 pmol/8 × 108 RBC). The total imprecision of the assay was <3.0%. The upper limit of linearity for 6-TG and 6-MMP was 7.5 μmol/L and 150 μmol/L, respectively. The stability of the thiopurine metabolites under pre- and post-analytically relevant conditions was also evaluated. A good agreement was observed between this method and validated LC-MS/MS methods from three laboratories, except for ∼40% low bias for 6-MMP observed in one of the methods. The assessment of the association between 6-TG and 6-MMP concentrations with thiopurine S-methyltransferase (TPMT) phenotype and genotype demonstrated a statistically significant difference in the thiopurine metabolite concentrations between the TPMT groups with normal and intermediate activity of 6-MMP (p < 0.0001), while the difference in 6-TG concentrations was statistically not significant (p = 0.096). Among the samples with normal TPMT activity, higher concentrations of 6-MMP (p = 0.015) were observed in pediatric samples than in the samples of adults. No statistically significant differences were observed in the distributions of 6-TG and 6-MMP concentrations among the evaluated genotypes.
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Affiliation(s)
- Amol O Bajaj
- ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT, United States
| | - Mark M Kushnir
- ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT, United States.,University of Utah Health Sciences Center, Department of Pathology, Salt Lake City, UT, United States
| | - Erik Kish-Trier
- ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT, United States
| | - Rachel N Law
- ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT, United States
| | - Lauren M Zuromski
- ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT, United States
| | - Alejandro R Molinelli
- Department of Pharmaceutical Sciences, St. Jude Children's Research Hospital, Memphis, TN, United States
| | - Gwendolyn A McMillin
- ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT, United States.,University of Utah Health Sciences Center, Department of Pathology, Salt Lake City, UT, United States
| | - Kamisha L Johnson-Davis
- ARUP Institute for Clinical and Experimental Pathology, Salt Lake City, UT, United States.,University of Utah Health Sciences Center, Department of Pathology, Salt Lake City, UT, United States
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Choi R, Chun MR, Park J, Lee JW, Ju HY, Cho HW, Hyun JK, Koo HH, Yi ES, Lee SY. Quantification of Thioguanine in DNA Using Liquid Chromatography-Tandem Mass Spectrometry for Routine Thiopurine Drug Monitoring in Patients With Pediatric Acute Lymphoblastic Leukemia. Ann Lab Med 2021; 41:145-154. [PMID: 33063676 PMCID: PMC7591283 DOI: 10.3343/alm.2021.41.2.145] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 05/03/2020] [Accepted: 09/19/2020] [Indexed: 12/15/2022] Open
Abstract
Background We developed an assay to measure DNA-incorporated 6-thioguanine (DNA-TG) and validated its clinical applicability in Korean pediatric patients with acute lymphoblastic leukemia (ALL) in order to improve individualized thiopurine treatment and reduce the life-threatening cytotoxicity. Methods The DNA-TG assay was developed based on liquid chromatography-tandem mass spectrometry, with isotope-labeled TG-d3 and guanine-d3 as internal standards. This method was applied to 257 samples of pediatric ALL patients. The DNA-TG level was compared with erythrocyte TG nucleotide (RBC-TGN) level in relation to the TPMT and NUDT15 genotypes, which affect thiopurine metabolism, using Spearman’s rank test and repeated measure ANOVA. Results For DNA-TG quantification, a linearity range of 10.0-5,000.0 fmol TG/µg DNA; bias for accuracy of –10.4% –3.5%; coefficient of variation for intra- and inter-day precision of 3.4% and 5.8% at 80 fmol TG/µg DNA and of 4.9% and 5.3% at 800 fmol TG/µg DNA, respectively; and recovery of 85.7%–116.2% were achieved without matrix effects or carry-over. The median DNA-TG level in the 257 samples was 106.0 fmol TG/µg DNA (interquartile range, 75.8–150.9). There was a strong correlation between DNA-TG and RBC-TGN levels (ρ = 0.68, P < 0.0001). The DNA-TG/RBC-TGN ratio was significantly higher in NUDT15 intermediate metabolizers (*1/*2 and *1/*3) than in patients with wildtype alleles (P < 0.0001). Conclusions This simple and sensitive method for measuring DNA-TG level can improve therapeutic drug monitoring for thiopurine treatment.
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Affiliation(s)
- Rihwa Choi
- Department of Laboratory Medicine and Genetics, Sungkyunkwan University School of Medicine, Seoul, Korea.,Department of Laboratory Medicine, Green Cross Laboratories, Yongin, Korea
| | - Mi Ryung Chun
- Department of Laboratory Medicine and Genetics, Samsung Medical Center, Seoul, Korea
| | - Jisook Park
- Samsung Biomedical Research Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Ji Won Lee
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hee Young Ju
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hee Won Cho
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Ju Kyung Hyun
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hong Hoe Koo
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Eun Sang Yi
- Department of Pediatrics, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Soo-Youn Lee
- Department of Laboratory Medicine and Genetics, Sungkyunkwan University School of Medicine, Seoul, Korea.,Department of Laboratory Medicine and Genetics, Samsung Medical Center, Seoul, Korea.,Department of Clinical Pharmacology and Therapeutics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.,Department of Health Science and Technology, Samsung Advanced Institute of Health Science and Technology, Sungkyunkwan University, Seoul, Korea
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