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Olędzka I, Plenis A, Kowalski P, Bączek T, Roszkowska A. Analytical aspects of sample handling during the quantification of selective serotonin reuptake inhibitors in clinical applications. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.117026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
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Ion-Channel Antiepileptic Drugs: An Analytical Perspective on the Therapeutic Drug Monitoring (TDM) of Ezogabine, Lacosamide, and Zonisamide. ANALYTICA 2021. [DOI: 10.3390/analytica2040016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The term seizures includes a wide array of different disorders with variable etiology, which currently represent one of the most important classes of neurological illnesses. As a consequence, many different antiepileptic drugs (AEDs) are currently available, exploiting different activity mechanisms and providing different levels of performance in terms of selectivity, safety, and efficacy. AEDs are currently among the psychoactive drugs most frequently involved in therapeutic drug monitoring (TDM) practices. Thus, the plasma levels of AEDs and their metabolites are monitored and correlated to administered doses, therapeutic efficacy, side effects, and toxic effects. As for any analytical endeavour, the quality of plasma concentration data is only as good as the analytical method allows. In this review, the main techniques and methods are described, suitable for the TDM of three AEDs belonging to the class of ion channel agents: ezogabine (or retigabine), lacosamide, and zonisamide. In addition to this analytical overview, data are provided, pertaining to two of the most important use cases for the TDM of antiepileptics: drug–drug interactions and neuroprotection activity studies. This review contains 146 references.
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Mohammadian E, Rahimpour E, Foroumadi A, Alizadeh-Sani M, Hasanvand Z, Jouyban A. Derivatization of γ-Amino Butyric Acid Analogues for Their Determination in the Biological Samples and Pharmaceutical Preparations: A Comprehensive Review. Crit Rev Anal Chem 2021; 52:1727-1754. [PMID: 34096806 DOI: 10.1080/10408347.2021.1916733] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
γ-Aminobutyric acid (GABA) plays an important role in regulating neuronal excitability. Four structurally related drugs to GABA including pregabalin (PGB), gabapentin (GBP), vigabatrin (VGB), and baclofen are used for the treatment of central nervous system disorders. These drugs are small aliphatic molecules having neither fluorescent nor strong absorbance in the ultraviolet/visible region; therefore, direct determination of these analytes by optical methods is difficult. Additionally, their high boiling point makes gas chromatography impossible. Accordingly, the amine or acid moiety in these drugs is derivatized in order to improve their selectivity and sensitivity during determination in the biological samples. This review focuses on derivatization based methods and their different reactions for determination of PGB, GBP, VGB, and baclofen in the biological samples and pharmaceutical preparations reported between 1980 and 2020. High-performance liquid chromatography methods coupled with different detectors are a commonly used methods for determination of GABA analogs after derivatization. These methods cover 38.89% of all developed methods for determination of GABA analogs.
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Affiliation(s)
- Esmaeil Mohammadian
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.,Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elaheh Rahimpour
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.,Food and Drug Safety Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Foroumadi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran.,Drug Design and Development Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmood Alizadeh-Sani
- Student's Scientific Research Center, Department of Food Safety and Hygiene, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Zaman Hasanvand
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Abolghasem Jouyban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Kim NS, Choi HS, Lim NY, Lee JH, Kim H, Baek SY. Application of Simultaneously Validated UHPLC-PDA and LC–ESI–MS/MS Methods for Determining 22 Antidepressants and Anxiolytics in Food Matrix Samples. Chromatographia 2021. [DOI: 10.1007/s10337-020-04000-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Naguib IA, Abdelhamid NS, Anwar BH, Magdy MA. Three Spectrophotometric Methods for Quantitative Analysis of Duloxetine in Presence of its Toxic Impurity: 1-Naphthol. J AOAC Int 2020; 103:972-979. [DOI: 10.1093/jaoacint/qsz032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 10/19/2019] [Accepted: 11/18/2019] [Indexed: 11/13/2022]
Abstract
Abstract
Background
Duloxetine hydrochloride (DUL) is a drug used to treat depression and anxiety. 1-Naphthol is a potential toxic impurity of DUL, as it causes hepatotoxicity in humans, and it is harmful to aquatic life.
Objective
Three simple, selective, rapid, accurate and precise methods were developed and validated according to International Conference on Harmonization (ICH) guidelines with respect to linearity, accuracy, precision and selectivity for analysis of duloxetine hydrochloride (DUL) in the presence of its potential toxic impurity 1-Naphthol in different laboratory-prepared mixtures and pharmaceutical formulations.
Methods
Method (A) is the first derivative of the ratio spectra spectrophotometric (1DD) method which allows determination of DUL at 251 nm and 1-Naphthol at 305.2 nm without interference from each other. Method B (dual wavelength) means that two different wavelengths were chosen to each drug, where the absorbance difference at these two wavelengths is equal to zero to the second drug. The chosen two wavelengths for DUL were 221.4 nm and 235.6, where the absorbance difference for 1-naphthol at these two wavelengths was equal to zero. While the chosen wavelengths for 1-naphthol were 247.8 nm and 297 nm, where the absorbance difference for DUL at these two wavelengths was equal to zero. Method (C) is the mean centering of ratio spectra spectrophotometric (MCR) method, which depends on measuring the mean centered values of ratio spectra of both DUL and 1-Naphthol at 226 nm.
Results
These methods were validated and agreed with the requirements of ICH guidelines with respect to linearity, accuracy, precision and selectivity.
Conclusions
The results indicate the ability of developed methods to be used for routine quality control analysis of DUL in bulk and pharmaceutical formulations in the presence of its potential impurity 1-Naphthol.
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Affiliation(s)
- Ibrahim A Naguib
- Taif University, College of Pharmacy, Department of Pharmaceutical Chemistry, Al-Hawiah 21974, Taif, Saudi Arabia
- Beni-Suef University, Faculty of Pharmacy, Pharmaceutical Analytical Chemistry Department, Alshaheed Shehata Ahmad Hegazy St, 62514 Beni-Suef, Egypt
| | - Nessreen S Abdelhamid
- Taif University, College of Pharmacy, Department of Pharmaceutical Chemistry, Al-Hawiah 21974, Taif, Saudi Arabia
| | - Basma H Anwar
- Taif University, College of Pharmacy, Department of Pharmaceutical Chemistry, Al-Hawiah 21974, Taif, Saudi Arabia
| | - Maimana A Magdy
- Taif University, College of Pharmacy, Department of Pharmaceutical Chemistry, Al-Hawiah 21974, Taif, Saudi Arabia
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Butyl Methacrylate-Co-Ethylene Glycol Dimethacrylate Monolith for Online in-Tube SPME-UHPLC-MS/MS to Determine Chlopromazine, Clozapine, Quetiapine, Olanzapine, and Their Metabolites in Plasma Samples. Molecules 2019; 24:molecules24020310. [PMID: 30654481 PMCID: PMC6359403 DOI: 10.3390/molecules24020310] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/10/2019] [Accepted: 01/12/2019] [Indexed: 11/16/2022] Open
Abstract
This manuscript describes a sensitive, selective, and online in-tube solid-phase microextraction coupled with an ultrahigh performance liquid chromatography-tandem mass spectrometry (in-tube SPME-UHPLC-MS/MS) method to determine chlopromazine, clozapine, quetiapine, olanzapine, and their metabolites in plasma samples from schizophrenic patients. Organic poly(butyl methacrylate-co-ethylene glycol dimethacrylate) monolith was synthesized on the internal surface of a fused silica capillary (covalent bonds) for in-tube SPME. Analyte extraction and analysis was conducted by connecting the monolithic capillary to an UHPLC-MS/MS system. The monolith was characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectrometry (FTIR). The developed method presented adequate linearity for all the target antipsychotics: R² was higher than 0.9975, lack-of-fit ranged from 0.115 to 0.955, precision had variation coefficients lower than 14.2%, and accuracy had relative standard error values ranging from -13.5% to 14.6%, with the exception of the lower limit of quantification (LLOQ). The LLOQ values in plasma samples were 10 ng mL-1 for all analytes. The developed method was successfully applied to determine antipsychotics and their metabolites in plasma samples from schizophrenic patients.
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ElKady EF, Abo Elwafa AA, Farouk F. Optimized bio-analytical methods development and comparative pharmacokinetic studies of four antidepressants in Egyptian population based on gender difference. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1102-1103:135-142. [PMID: 30388703 DOI: 10.1016/j.jchromb.2018.10.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 10/02/2018] [Accepted: 10/18/2018] [Indexed: 02/07/2023]
Abstract
The pharmacokinetics (PK) and pharmacodynamics of many oral antidepressants (OADs) vary substantially among different genders and ethnicities. Likewise is their therapeutic effectiveness, time to response and the incidence of adverse drug events. The aim of this study is to compare the PK of four OADs (desvenlafaxine; DSV, venlafaxine; VLX, escitalopram; ESP, and agomelatine; AGT) among Egyptian males and females. In this study, LC-MS/MS methods were developed and validated for determining the four OADs in human plasma. Samples were prepared by liquid-liquid extraction. Chromatographic separation was performed on reversed-phase C18 columns followed by positive-ion electrospray ionization and MS/MS detection. The assays were applied for the assessment of PK parameters in human volunteers (n = 95). The developed methods were linear, accurate, and precise for the determination of DSV, VLX, ESP and AGT with extraction recovery of 90 ± 2.0, 98 ± 1.0, 90 ± 1.3 and 87 ± 4.3%, respectively. OADs levels were successfully measured in subjects' plasma and PK parameters were calculated. A prevalent inter-individual variation in PK of the studied OAD was observed. The PK profile of DSV, VLX or ESP did not vary significantly between male and female subjects (p = 0.07-0.98; confidence level (CL) = 95) while the PK of AGT exhibited a significant gender-based variation in both the Cmax and the AUC∞ (p = 0.047 and 0.0015; CL = 95). Our results highlight the significance of therapeutic drug monitoring of OADs. Further, it indicates the dose adjustment based on gender difference may not be relevant for DSV, VLX and ESP while it may be considered for AGT.
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Affiliation(s)
- Ehab F ElKady
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Ahmed A Abo Elwafa
- Pharmaceutics and Industrial Pharmacy Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Faten Farouk
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ahram Canadian University, Giza 12566, Egypt.
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