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Chen J, Shen Y, Xia H, Chen X, Xu RA, Lin G, Dai G. Development of a UPLC-MS/MS method for the determination of lacosamide and its metabolite and its application to drug-drug interaction. Front Pharmacol 2023; 14:1265252. [PMID: 38026954 PMCID: PMC10667685 DOI: 10.3389/fphar.2023.1265252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
Lacosamide, a third-generation novel antiepileptic drug, was first approved in 2008 as an adjunct to partial seizures. In 2014, the U.S. Food and Drug Administration (FDA) approved it as a single agent for partial seizures. Since epilepsy is a chronic condition, most patients need long-term antiepileptic medicinal products, so it is even more important to consider the drug-drug interactions (DDIs). For the purpose of this experiment, an ultra performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) assay with accuracy and simplicity was optimized and fully validated for the simultaneous quantitative determination of lacosamide and O-Desmethyl-lacosamide (ODL), and DDIs between lacosamide and nisoldipine in vivo and in vitro was researched. The protein was precipitated with acetonitrile, the analytes were eluted with acetonitrile and a 0.1% formic acid solution in a gradient program, and lacosamide, ODL, and lamotrigine (Internal Standard, IS) were successfully separated by chromatography. The findings of the biological analysis revealed that the lower limit of quantification (LLOQ) for lacosamide in samples was 2 ng/mL and the linearity ranged from 2 to 10000 ng/mL. The LLOQ for ODL was 1 ng/mL, while the linearity range for this substance was 1-1,000 ng/mL. In rat liver microsomes (RLM), the LLOQ of ODL was 80 ng/mL and the linear range was 80-40000 ng/mL. The selectivity, stability, matrix effect and recovery rate were all satisfied with the need of quantitative analysis of samples. Then, the UPLC-MS/MS assay was employed successfully on the interactions of lacosamide and nisoldipine in vivo and in vitro. The half-maximal inhibitory concentration (IC50) was 3.412 μM in RLM, where nisoldipine inhibited the metabolism of lacosamide with a mixture of inhibition mechanism. In rat pharmacokinetic experiments, it was found that nisoldipine could significantly change the pharmacokinetic characteristics of lacosamide, including AUC(0-t), AUC(0-∞), Tmax, CLz/F and Cmax, but had no significant effect on ODL. In summary, the UPLC-MS/MS method could accurately and sensitively quantify lacosamide and ODL, and could be used for the interaction between nisoldipine and lacosamide in vivo and in vitro.
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Affiliation(s)
- Jie Chen
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuxin Shen
- Key Laboratory of Diagnosis and Treatment of Severe Hepato-Pancreatic Diseases of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hailun Xia
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaohai Chen
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ren-Ai Xu
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Guanyang Lin
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Gexin Dai
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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Furugen A, Nishimura A, Umazume T, Ishikawa H, Narumi K, Kobayashi M. Simple and validated method to quantify lacosamide in human breast milk and plasma using UPLC/MS/MS and its application to estimate drug transfer into breast milk. J Pharm Health Care Sci 2023; 9:26. [PMID: 37653499 PMCID: PMC10472561 DOI: 10.1186/s40780-023-00295-w] [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: 04/28/2023] [Accepted: 07/05/2023] [Indexed: 09/02/2023] Open
Abstract
BACKGROUND Epilepsy is a common neurological disorder. Lacosamide is a third-generation antiepileptic drug used to treat partial-onset seizures. Limited information is currently available on the transfer of lacosamide to breast milk. To facilitate studies on the safety of lacosamide use during breastfeeding, we aimed to develop a method to quantify lacosamide in human breast milk and plasma using ultra-performance liquid chromatography/tandem mass spectrometry. METHODS Fifty microliters of breast milk or plasma was used, and samples were prepared by protein precipitation using methanol containing lacosamide-d3 as an internal standard (IS). Chromatography was performed using an ACQUITY HSS T3 column with an isocratic flow of 10 mM ammonium acetate solution/methanol (70:30, v/v). Lacosamide and IS were detected by multiple reaction monitoring in positive ion electrospray mode. The run time was 3.5 min. RESULTS Calibration curves were linear and in the range of 0.5 to 100 ng/mL both in breast milk and plasma. The validation assessment indicated that precision, accuracy, matrix effects, selectivity, dilution integrity, and stability were acceptable. The developed method was successfully applied to quantify lacosamide in breast milk and plasma obtained from a volunteer who had been orally administered lacosamide twice a day (100 mg × 2). Relative infant dose of lacosamide was estimated to be 14.6% in breast milk at five time points. CONCLUSIONS We developed a simple and robust method to quantify of lacosamide in human breast milk and plasma. This method could be useful for in future studies investigating the safety of lacosamide use during breastfeeding.
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Affiliation(s)
- Ayako Furugen
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-Jo, Nishi-6-Chome, Kita-Ku, Sapporo, 060-0812, Japan
| | - Ayako Nishimura
- Department of Pharmacy, Hokkaido University Hospital, Kita-14-Jo, Nishi-5-Chome, Kita-Ku, Sapporo, 060-8648, Japan
| | - Takeshi Umazume
- Department of Obstetrics, Hokkaido University Hospital, Kita-14-Jo, Nishi-5-Chome, Kita-Ku, Sapporo, 060-8648, Japan
| | - Hina Ishikawa
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-Jo, Nishi-6-Chome, Kita-Ku, Sapporo, 060-0812, Japan
| | - Katsuya Narumi
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-Jo, Nishi-6-Chome, Kita-Ku, Sapporo, 060-0812, Japan
| | - Masaki Kobayashi
- Laboratory of Clinical Pharmaceutics & Therapeutics, Division of Pharmasciences, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12-Jo, Nishi-6-Chome, Kita-Ku, Sapporo, 060-0812, Japan.
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Schultz L, Mahmoud SH. Is Therapeutic Drug Monitoring of Lacosamide Needed in Patients with Seizures and Epilepsy? Eur J Drug Metab Pharmacokinet 2021; 45:315-349. [PMID: 31950342 DOI: 10.1007/s13318-019-00601-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Lacosamide is an antiepileptic drug (AED) that has linear pharmacokinetics, predictable blood concentrations, and few drug interactions, setting it apart from other AEDs that require vigorous therapeutic drug monitoring (TDM) such as phenytoin and carbamazepine. However, there have been reports of altered lacosamide pharmacokinetics in some populations. The purpose of this review is to determine whether lacosamide pharmacokinetics are altered in certain patient populations, suggesting the need for TDM. A literature search of Medline, Scopus, Embase, and Cochrane trials was conducted on January 3, 2019 (and then updated on September 2, 2019) to search for articles relevant to the TDM or pharmacokinetics of lacosamide. A total of 56 relevant articles were found and included in this review. Dose of lacosamide is linearly correlated with plasma concentrations and efficacy. However, currently there is no well-established reference range. Overall, the recommended reference ranges varied from 2.2 to 20 mg/L. Lacosamide has very few clinically relevant drug-drug interactions; however, there seems to be a significant drug interaction between lacosamide and enzyme-inducer AEDs. Based on available literature, it appears that lacosamide pharmacokinetics may be altered in severe renal dysfunction, in patients on dialysis and with extremes of age. More evidence is currently needed on lacosamide pharmacokinetics in pregnancy and critical illness. While it is not practical to utilize TDM for all patients, TDM may be useful in patients taking enzyme-inducer AEDs, in patients with decreased renal function or on dialysis, and older adults.
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Affiliation(s)
- Lynnea Schultz
- Faculty of Pharmacy and Pharmaceutical Sciences, 3-142H Katz Group Centre for Pharmacy and Health Research, University of Alberta, Edmonton, AB, T6G 2E1, Canada
| | - Sherif Hanafy Mahmoud
- Faculty of Pharmacy and Pharmaceutical Sciences, 3-142H Katz Group Centre for Pharmacy and Health Research, University of Alberta, Edmonton, AB, T6G 2E1, Canada.
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Bharwad KD, Shah PA, Shrivastav PS, Sharma VS. Selective quantification of lacosamide in human plasma using UPLC-MS/MS: Application to pharmacokinetic study in healthy subjects with different doses. Biomed Chromatogr 2020; 34:e4928. [PMID: 32567713 DOI: 10.1002/bmc.4928] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/11/2020] [Accepted: 06/18/2020] [Indexed: 11/05/2022]
Abstract
A practical, sensitive, and robust UPLC-MS/MS method was developed and validated to quantify lacosamide in human plasma. A simple one-step protein precipitation was used to extract lacosamide and labeled lacosamide-13C, D3 as an internal standard (IS) from 150-μL plasma. The extracts were analyzed on an Eclipse Plus C18 column (50 × 2.1 mm, 1.8 μm) using 0.1% formic acid in water and methanol:acetonitrile (50:50, v/v) under gradient conditions. The extracts were quantified on LCMS-8040 using electrospray ionization source operated in positive ionization and multiple reaction monitoring modes. The method showed good linearity from 0.02 to 20 μg/mL, which was adequate to cover lacosamide concentration assayed in formulations with different strengths. The bioanalytical assay was fully validated as per current regulatory guidelines. The intra-batch and inter-batch precision values of lacosamide were less than 4.6%. Lacosamide was found to be stable at different storage conditions. The extraction recoveries and IS-normalized matrix factors for lacosamide ranged from 97.17 to 99.68% and from 0.973 to 1.012, respectively. The validated method was successfully applied to a pharmacokinetic study with three lacosamide formulations (50, 100, and 200 mg) in 36 healthy subjects. The assay reliability was determined by reanalysis of 81 subject samples.
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Affiliation(s)
- Kirtikumar D Bharwad
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, India
| | - Priyanka A Shah
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, India
| | - Pranav S Shrivastav
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, India
| | - Vinay S Sharma
- Department of Chemistry, Faculty of Basic and Applied Science, Madhav University, Sirohi, Rajasthan, India
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Yadlapalli SSR, Katari NK, Manabolu Surya SB. Determination of lacosamide in human plasma by LC–MS/MS and its application to a human pharmacokinetic study. SEPARATION SCIENCE PLUS 2020. [DOI: 10.1002/sscp.202000004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Mouskeftara T, Alexandridou A, Krokos A, Gika H, Mastrogianni O, Orfanidis A, Raikos N. Α Simple Method for the Determination of Lacosamide in Blood by GC-MS. J Forensic Sci 2019; 65:288-294. [PMID: 31454427 DOI: 10.1111/1556-4029.14151] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Revised: 07/16/2019] [Accepted: 07/16/2019] [Indexed: 01/07/2023]
Abstract
Lacosamide is a functionalized amino acid with antiepileptic function. Therapeutic drug monitoring (TDM) in patients for lacosamide is critical as it allows clinicians to control epileptic seizures. A single liquid-liquid extraction step was applied for the extraction of lacosamide from whole blood samples which were thereafter analyzed by GC-MS. Optimum extraction conditions were selected on the basis of experiments with various solvents at different pHs, indicating ethyl acetate at pH 12 as the most efficient parameters for the extraction of lacosamide. Method exhibited linearity from 2 to 100 μg/mL with R2 = 0.998. Accuracy and precision were evaluated at three concentrations and found to be within acceptable limits. LOD and LOQ were determined at 0.1 and 0.5 μg/mL, respectively. Lacosamide was found to be stable at storage conditions. The developed method was applied successfully in clinical samples and postmortem blood sample from an overdose case.
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Affiliation(s)
- Thomai Mouskeftara
- Laboratory of Forensic Medicine & Toxicology, Medical School, Aristotle University, Thessaloniki, 54124, Greece
| | - Anastasia Alexandridou
- Laboratory of Forensic Medicine & Toxicology, Medical School, Aristotle University, Thessaloniki, 54124, Greece
| | - Adamantios Krokos
- Laboratory of Forensic Medicine & Toxicology, Medical School, Aristotle University, Thessaloniki, 54124, Greece.,Laboratory of Analytical Chemistry, School of Chemistry, Aristotle University, Thessaloniki, 54124, Greece
| | - Helen Gika
- Laboratory of Forensic Medicine & Toxicology, Medical School, Aristotle University, Thessaloniki, 54124, Greece.,BIOMIC_AUTh, Aristotle University of Thessaloniki Central Analytical Facility, Center for Interdisciplinary Research of the Aristotle University of Thessaloniki, Thessaloniki, 57001, Greece
| | - Orthodoxia Mastrogianni
- Laboratory of Forensic Service of Ministry of Justice of Thessaloniki, Thessaloniki, 54124, Greece
| | - Amvrosios Orfanidis
- Laboratory of Forensic Medicine & Toxicology, Medical School, Aristotle University, Thessaloniki, 54124, Greece
| | - Nikolaos Raikos
- Laboratory of Forensic Medicine & Toxicology, Medical School, Aristotle University, Thessaloniki, 54124, Greece.,BIOMIC_AUTh, Aristotle University of Thessaloniki Central Analytical Facility, Center for Interdisciplinary Research of the Aristotle University of Thessaloniki, Thessaloniki, 57001, Greece
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Abstract
Given the distinctive characteristics of both epilepsy and antiepileptic drugs (AEDs), therapeutic drug monitoring (TDM) can make a significant contribution to the field of epilepsy. The measurement and interpretation of serum drug concentrations can be of benefit in the treatment of uncontrollable seizures and in cases of clinical toxicity; it can aid in the individualization of therapy and in adjusting for variable or nonlinear pharmacokinetics; and can be useful in special populations such as pregnancy. This review examines the potential for TDM of newer AEDs such as eslicarbazepine acetate, felbamate, gabapentin, lacosamide, lamotrigine, levetiracetam, perampanel, pregabalin, rufinamide, retigabine, stiripentol, tiagabine, topiramate, vigabatrin, and zonisamide. We describe the relationships between serum drug concentration, clinical effect, and adverse drug reactions for each AED as well as the different analytical methods used for serum drug quantification. We discuss retrospective studies and prospective data on the serum drug concentration-efficacy of these drugs and present the pharmacokinetic parameters, oral bioavailability, reference concentration range, and active metabolites of newer AEDs. Limited data are available for recent AEDs, and we discuss the connection between drug concentrations in terms of clinical efficacy and nonresponse. Although we do not propose routine TDM, serum drug measurement can play a beneficial role in patient management and treatment individualization. Standardized studies designed to assess, in particular, concentration-efficacy-toxicity relationships for recent AEDs are urgently required.
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Affiliation(s)
- Shery Jacob
- Department of Pharmaceutics, College of Pharmacy, Gulf Medical University, University Street, P.O.Box No.4184, Ajman, UAE.
| | - Anroop B Nair
- Department of Pharmaceutics, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Saudi Arabia
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Evaluation of a Novel Immunoassay for Lacosamide Therapeutic Drug Monitoring: Comparison With a Liquid Chromatography-Mass Spectrometry Assay. Ther Drug Monit 2017; 39:663-668. [DOI: 10.1097/ftd.0000000000000450] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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