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Chiș IA, Andrei V, Muntean A, Moldovan M, Mesaroș AȘ, Dudescu MC, Ilea A. Salivary Biomarkers of Anti-Epileptic Drugs: A Narrative Review. Diagnostics (Basel) 2023; 13:diagnostics13111962. [PMID: 37296814 DOI: 10.3390/diagnostics13111962] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/30/2023] [Accepted: 06/02/2023] [Indexed: 06/12/2023] Open
Abstract
Saliva is a biofluid that reflects general health and that can be collected in order to evaluate and determine various pathologies and treatments. Biomarker analysis through saliva sampling is an emerging method of accurately screening and diagnosing diseases. Anti-epileptic drugs (AEDs) are prescribed generally in seizure treatment. The dose-response relationship of AEDs is influenced by numerous factors and varies from patient to patient, hence the need for the careful supervision of drug intake. The therapeutic drug monitoring (TDM) of AEDs was traditionally performed through repeated blood withdrawals. Saliva sampling in order to determine and monitor AEDs is a novel, fast, low-cost and non-invasive approach. This narrative review focuses on the characteristics of various AEDs and the possibility of determining active plasma concentrations from saliva samples. Additionally, this study aims to highlight the significant correlations between AED blood, urine and oral fluid levels and the applicability of saliva TDM for AEDs. The study also focuses on emphasizing the applicability of saliva sampling for epileptic patients.
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Affiliation(s)
- Ioana-Andreea Chiș
- Department of Oral Rehabilitation, Faculty of Dentistry, University of Medicine and Pharmacy "Iuliu Hațieganu", 400012 Cluj-Napoca, Romania
| | - Vlad Andrei
- Department of Oral Rehabilitation, Faculty of Dentistry, University of Medicine and Pharmacy "Iuliu Hațieganu", 400012 Cluj-Napoca, Romania
| | - Alexandrina Muntean
- Department of Paediatric Dentistry, Faculty of Dentistry, University of Medicine and Pharmacy "Iuliu Hațieganu", 400012 Cluj-Napoca, Romania
| | - Marioara Moldovan
- Department of Polymer Composites, Institute of Chemistry "Raluca Ripan", University Babes-Bolyai, 400294 Cluj-Napoca, Romania
| | - Anca Ștefania Mesaroș
- Department of Dental Propaedeutics and Aesthetics, University of Medicine and Pharmacy "Iuliu Hațieganu", 400012 Cluj-Napoca, Romania
| | - Mircea Cristian Dudescu
- Department of Mechanical Engineering, Faculty of Automotive, Mechatronics and Mechanical Engineering, Technical University of Cluj-Napoca, 400641 Cluj-Napoca, Romania
| | - Aranka Ilea
- Department of Oral Rehabilitation, Faculty of Dentistry, University of Medicine and Pharmacy "Iuliu Hațieganu", 400012 Cluj-Napoca, Romania
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2
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ALSaeedy M, Hasan A, Al-Adhreai A, Alrabie A, Qaba H, Mashrah A, Öncü-Kaya EM. An overview of liquid chromatographic methods for analyzing new generation anti-epileptic drugs. J LIQ CHROMATOGR R T 2022. [DOI: 10.1080/10826076.2022.2134146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Mohammed ALSaeedy
- Department of Chemistry, Faculty of Applied Sciences, Dhamar University, Dhamar, Yemen
- Department of Chemistry, Faculty of Sciences, Eskisehir Technical University, Eskisehir, Turkey
- Department of Chemistry, Faculty of Education-Albaydha, Albaydha University, Albaydha, Yemen
| | - Ahmed Hasan
- Department of Pharmacology, Graduation School of Health Science, Anadolu University, Eskisehir, Turkey
| | - Arwa Al-Adhreai
- Department of Chemistry, Faculty of Applied Sciences, Dhamar University, Dhamar, Yemen
- Department of Chemistry, Maulana Azad of Arts, Science and Commerce, Aurangabad, India
| | - Ali Alrabie
- Department of Chemistry, Faculty of Education-Albaydha, Albaydha University, Albaydha, Yemen
- Department of Chemistry, Maulana Azad of Arts, Science and Commerce, Aurangabad, India
| | - Hafsah Qaba
- Department of Analytical Chemistry, Graduation School of Health Sciences, Anadolu University, Eskisehir, Turkey
| | - Abdulrahman Mashrah
- Department of Food Science and Technology, Faculty of Agriculture and Food Sciences, Ibb University, Ibb, Yemen
- Department of Food Engineering, Institute of Natural Sciences-Sakarya, Sakarya University, Sakarya, Turkey
| | - Elif Mine Öncü-Kaya
- Department of Chemistry, Faculty of Sciences, Eskisehir Technical University, Eskisehir, Turkey
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3
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Ganorkar SB, Chaudhari SR, Bobade PS, Pawar SM, Shirkhedkar AA. HPLC‐PDA Identification and Resolution of Rufinamide Forced Degradation Impurities: A Congregated Chemometric Expedite Optimization Coupled with Factorials & Desirability. Biomed Chromatogr 2022; 36:e5345. [DOI: 10.1002/bmc.5345] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Saurabh B. Ganorkar
- Central Instruments Facility, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research Shirpur MS India
| | - Suraj R. Chaudhari
- Central Instruments Facility, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research Shirpur MS India
| | - Preeti S. Bobade
- Department of Quality Assurance, R. C. Patel Institute of Pharmaceutical Education and Research Shirpur MS India
| | - Sagar M. Pawar
- Central Instruments Facility, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research Shirpur MS India
| | - Atul A. Shirkhedkar
- Central Instruments Facility, Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research Shirpur MS India
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Meirinho S, Rodrigues M, Fortuna A, Falcão A, Alves G. Liquid chromatographic methods for determination of the new antiepileptic drugs stiripentol, retigabine, rufinamide and perampanel: A comprehensive and critical review. J Pharm Anal 2021; 11:405-421. [PMID: 34513117 PMCID: PMC8424363 DOI: 10.1016/j.jpha.2020.11.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 10/26/2020] [Accepted: 11/17/2020] [Indexed: 01/28/2023] Open
Abstract
The new antiepileptic drugs perampanel, retigabine, rufinamide and stiripentol have been recently approved for different epilepsy types. Being them an innovation in the antiepileptics armamentarium, a lot of investigations regarding their pharmacological properties are yet to be performed. Besides, considering their broad anticonvulsant activities, an extension of their therapeutic indications may be worthy of investigation, especially regarding other seizure types as well as other central nervous system disorders. Although different liquid chromatographic (LC) methods coupled with ultraviolet, fluorescence, mass or tandem-mass spectrometry detection have already been developed for the determination of perampanel, retigabine, rufinamide and stiripentol, new and more cost-effective methods are yet required. Therefore, this review summarizes the main analytical aspects regarding the liquid chromatographic methods developed for the analysis of perampanel, retigabine (and its main active metabolite), rufinamide and stiripentol in biological samples and pharmaceutical dosage forms. Furthermore, the physicochemical and stability properties of the target compounds will also be addressed. Thus, this review gathers, for the first time, important background information on LC methods that have been developed and applied for the determination of perampanel, retigabine, rufinamide and stiripentol, which should be considered as a starting point if new (bio)analytical techniques are aimed to be implemented for these drugs.
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Affiliation(s)
- Sara Meirinho
- Faculty of Health Sciences, Health Sciences Research Center, University of Beira Interior (CICS UBI), 6200-506, Covilhã, Portugal
| | - Márcio Rodrigues
- Faculty of Health Sciences, Health Sciences Research Center, University of Beira Interior (CICS UBI), 6200-506, Covilhã, Portugal
- Research Unit for Inland Development, Polytechnic Institute of Guarda (UDI-IPG), 6300-654, Guarda, Portugal
| | - Ana Fortuna
- Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT), University of Coimbra, 3000-548, Coimbra, Portugal
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Amílcar Falcão
- Coimbra Institute for Biomedical Imaging and Translational Research (CIBIT), University of Coimbra, 3000-548, Coimbra, Portugal
- Laboratory of Pharmacology, Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Gilberto Alves
- Faculty of Health Sciences, Health Sciences Research Center, University of Beira Interior (CICS UBI), 6200-506, Covilhã, Portugal
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Hassib ST, Hashem HMA, Mahrouse MA, Mostafa EA. Development and Bio-Analytical Validation of Chromatographic Determination Method of Rufinamide in Presence of its Metabolite in Human Plasma. J Chromatogr Sci 2021; 59:458-464. [PMID: 33506266 DOI: 10.1093/chromsci/bmaa142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Indexed: 11/13/2022]
Abstract
Rufinamide (RF), antiepileptic drug, is biotransformed to inactive metabolite. Frequent plasma monitoring is required for dose adjustment. This work is concerned with the development and validation of a sensitive and selective RP-HPLC method for the quantitative determination of RF in spiked human plasma in the presence of its main metabolite. Lacosamide was selected as internal standard. Preparation of plasma samples involved precipitation of plasma proteins using methanol. Isocratic elution mode was applied and the chromatographic separation was performed on Prontosil CN column (5 μm, 250 × 4.6 mm). Good resolution was achieved using acetonitrile: water (10:90, v/v, adjusted with 0.01 N aqueous solution of o-phosphoric acid to pH = 3) as a mobile phase at a flow rate of 1 mL/min, and UV detection was carried out at 210 nm. Linearity was observed over the concentration range of 0.5-50 μg/mL of RF in plasma. Bio-analytical validation of the developed method was carried out in accordance to the European Medicines Agency guidelines. The accuracy ranged from 95.97 to 114.13%, and the coefficient of variation of the assay intra-day and inter-day precision did not exceed 10%. The samples were stable under the employed experimental conditions. In conclusion, the findings of the present study revealed its usefulness for therapeutic drug monitoring, assessment of drug pharmacokinetics and application for bioequivalence study.
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Affiliation(s)
- Sonia T Hassib
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt
| | - Hanaa M A Hashem
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt
| | - Marianne A Mahrouse
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt
| | - Eman A Mostafa
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt
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6
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Opuni KFM, Boadu JA, Amponsah SK, Okai CA. High performance liquid chromatography: A versatile tool for assaying antiepileptic drugs in biological matrices. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1179:122750. [PMID: 34237479 DOI: 10.1016/j.jchromb.2021.122750] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 04/18/2021] [Accepted: 04/27/2021] [Indexed: 10/21/2022]
Abstract
Epilepsy is a recurrent long-term illness occurring in approximately 1.0% of the world's population. There are currently about 29 approved antiepileptic drugs for the management of epilepsy. Due to narrow therapeutic indices of most antiepileptic drugs, clinical pharmacokinetic characteristics and therapeutic drug monitoring of these drugs are imperative. The objectives of this review were to identify common chromatographic principles, requirements and/or conditions for high-performance liquid chromatography as applied to assay of antiepileptic drugs in biological matrices. The review was conducted using 66 peer reviewed articles (1990 to 2020) from 29 journals that were sought via PubMed, Science Direct and Google Scholar. In all, 29 antiepileptic drugs were assayed from 6 different biological matrices. Forty-three of the reviewed articles estimated the concentration of only one antiepileptic drug, whilst 23 articles focused on simultaneous determination of two or more antiepileptic drugs. Thirty-four, 20, and 14 articles reported using liquid-liquid extraction, protein precipitation, or solid phase extraction for sample clean up, respectively. The ratio of reversed-phase to normal phase, LC-UV to LC-MS and isocratic elution to gradient elution were 61:3, 43:7 and 55:11, respectively. With the exception of one article the reported recoveries ranged from 60.3% to 109.6%. It is noteworthy, that, the performance metrics of high-performance liquid chromatography are better compared to other assays of antiepileptic drugs in biological matrices. This review describes the relevant liquid chromatographic method conditions over the past 30 years for the analysis of this class of drugs, which provides a basis for further method development and optimization.
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Affiliation(s)
- Kwabena F M Opuni
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Ghana, Ghana.
| | - Joseph A Boadu
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of Ghana, Ghana
| | - Seth K Amponsah
- Department of Medical Pharmacology, University of Ghana Medical School, University of Ghana, Ghana
| | - Charles A Okai
- Department of Laboratory Technology, Faculty of Health Sciences, Kumasi Technical University, Ghana
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Patrick M, Parmiter S, Mahmoud SH. Feasibility of Using Oral Fluid for Therapeutic Drug Monitoring of Antiepileptic Drugs. Eur J Drug Metab Pharmacokinet 2021; 46:205-223. [PMID: 33569746 DOI: 10.1007/s13318-020-00661-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Therapeutic drug monitoring (TDM) of antiepileptic drugs (AED) using blood is well established but limited by its invasiveness, accessibility, cost, interpretation errors, and related disturbances in protein binding. TDM using oral fluid (OF) could overcome these limitations. This paper provides a summary of the current evidence for using OF as a matrix to perform TDM of AEDs, as well as practical considerations. A literature search of MEDLINE, EMBASE, and the Cochrane Library was conducted on April 9, 2018 (and then updated on May 20, 2020) using all AEDs as keywords along with "oral fluid," "saliva," "salivary," "seizure," "epilepsy," "antiepileptic," and "anticonvulsant." A total of 18 relevant articles were found and included in this review. There is evidence to suggest that AED TDM using OF is feasible and that reference ranges can be calculated for the following drugs: carbamazepine, ethosuximide, lacosamide, lamotrigine, levetiracetam, oxcarbazepine, phenobarbital, phenytoin, primidone, topiramate, and valproic acid. For all other AEDs, there is either a lack of evidence on the feasibility of TDM using OF or the evidence indicates that TDM using OF is not feasible. Practical considerations should include the timing and method of OF collection (stimulated or unstimulated) due to their probable impact on the reliability of AED TDM. Using OF may improve the acceptability and accessibility and reduce the cost of AED TDM. Clinical implementation requires standardized collection protocols, more rigorously defined OF reference ranges, and further studies to determine the relevance to clinically important outcomes.
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Affiliation(s)
- Morgan Patrick
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, 3-142H Katz Group Centre for Pharmacy and Health Research, Edmonton, AB, T6G 2E1, Canada
| | - Samuel Parmiter
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, 3-142H Katz Group Centre for Pharmacy and Health Research, Edmonton, AB, T6G 2E1, Canada
| | - Sherif Hanafy Mahmoud
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, 3-142H Katz Group Centre for Pharmacy and Health Research, Edmonton, AB, T6G 2E1, Canada.
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Sommerfeld-Klatta K, Zielińska-Psuja B, Karaźniewcz-Łada M, Główka FK. New Methods Used in Pharmacokinetics and Therapeutic Monitoring of the First and Newer Generations of Antiepileptic Drugs (AEDs). Molecules 2020; 25:E5083. [PMID: 33147810 PMCID: PMC7663638 DOI: 10.3390/molecules25215083] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/23/2020] [Accepted: 10/28/2020] [Indexed: 12/30/2022] Open
Abstract
The review presents data from the last few years on bioanalytical methods used in therapeutic drug monitoring (TDM) of the 1st-3rd generation and the newest antiepileptic drug (AEDs) cenobamate in patients with various forms of seizures. Chemical classification, structure, mechanism of action, pharmacokinetic data and therapeutic ranges for total and free fractions and interactions were collected. The primary data on bioanalytical methods for AEDs determination included biological matrices, sample preparation, dried blood spot (DBS) analysis, column resolution, detection method, validation parameters, and clinical utility. In conclusion, the most frequently described method used in AED analysis is the LC-based technique (HPLC, UHPLC, USLC) combined with highly sensitive mass detection or fluorescence detection. However, less sensitive UV is also used. Capillary electrophoresis and gas chromatography have been rarely applied. Besides the precipitation of proteins or LLE, an automatic SPE is often a sample preparation method. Derivatization was also indicated to improve sensitivity and automate the analysis. The usefulness of the methods for TDM was also highlighted.
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Affiliation(s)
- Karina Sommerfeld-Klatta
- Department of Toxicology, Poznan University of Medical Sciences, 60-631 Poznań, Poland; (K.S.-K.); (B.Z.-P.)
| | - Barbara Zielińska-Psuja
- Department of Toxicology, Poznan University of Medical Sciences, 60-631 Poznań, Poland; (K.S.-K.); (B.Z.-P.)
| | - Marta Karaźniewcz-Łada
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 60-781 Poznań, Poland;
| | - Franciszek K. Główka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, 60-781 Poznań, Poland;
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SAYDAM M, TAKKA S. Improving the dissolution of a water-insoluble orphan drug through a fused deposition modelling 3-Dimensional printing technology approach. Eur J Pharm Sci 2020; 152:105426. [DOI: 10.1016/j.ejps.2020.105426] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/25/2020] [Accepted: 06/11/2020] [Indexed: 01/01/2023]
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Hassib ST, Hashem HMA, Mahrouse MA, Mostafa EA. Determination of Rufinamide in the Presence of 1-[(2,6-Difluorophenyl)Methyl]-1H-1,2,3-Triazole-4 Carboxylic Acid Using RP-HPLC and Derivative Ratio Methods as Stability Indicating Assays to Be Applied on Dosage Form. J AOAC Int 2020; 103:1215-1222. [DOI: 10.1093/jaoacint/qsaa020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/09/2020] [Accepted: 02/07/2020] [Indexed: 11/13/2022]
Abstract
Abstract
Background
Rufinamide is a triazole derivative that is structurally dissimilar to other marketed antiepileptic drugs, has been assumed a marketing authorization, by the European Union and FDA, for use as a complementary therapy for seizures associated with Lennox-Gastaut syndrome.
Objective
This work is concerned with development of two methods for determination of rufinamide (RUF) in presence of 1-[(2,6-difluorophenyl)methyl]-1H-1,2,3-triazole-4 carboxylic acid as its alkaline degradation product in dosage form.
Methods
The first method was capable of determing RUF in the presence of its alkaline degradation product and in dosage form. Kromasil C8 column and mobile phase consisting of acetonitrile–water (50:50, v/v) were used and UV detection at 210 nm. In the second method, first derivative ratio spectrophotometry, RUF was determined by measuring peak amplitude at 269.5 nm over 5–30 μg/mL.
Results
The linearity range of RUF was 10–90 μg/mL for HPLC method covering its therapeutic range with r2 = 0.9999. Forced degradation under alkaline conditions was carried out, the degradation product was isolated and its structure was confirmed. Both methods were validated in accordance to ICH guidelines. Statistical analysis revealed no significant difference between obtained results and reported ones.
Conclusion
The present study is useful for therapeutic drug monitoring and routine analysis of RUF in quality control laboratories.
Highlights
Kinetics of the alkaline degradation of RUF was studied by following the concentration of the remaining drug until complete degradation was achieved.
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Affiliation(s)
- Sonia T Hassib
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo 11562, Egypt
| | - Hanaa M A Hashem
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo 11562, Egypt
| | - Marianne A Mahrouse
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo 11562, Egypt
| | - Eman A Mostafa
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St, Cairo 11562, Egypt
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Franco V, Gatti G, Mazzucchelli I, Marchiselli R, Fattore C, Rota P, Galimberti CA, Capovilla G, Beccaria F, De Giorgis V, Johannessen Landmark C, Perucca E. Relationship between saliva and plasma rufinamide concentrations in patients with epilepsy. Epilepsia 2020; 61:e79-e84. [PMID: 32562438 DOI: 10.1111/epi.16584] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 05/27/2020] [Accepted: 05/27/2020] [Indexed: 11/27/2022]
Abstract
The assay of saliva samples provides a valuable alternative to the use of blood samples for therapeutic drug monitoring (TDM), at least for certain categories of patients. To determine the feasibility of using saliva sampling for the TDM of rufinamide, we compared rufinamide concentrations in paired samples of saliva and plasma collected from 26 patients with epilepsy at steady state. Within-patient relationships between plasma rufinamide concentrations and dose, and the influence of comedication were also investigated. Assay results in the two tested fluids showed a good correlation (r2 = .78, P < .0001), but concentrations in saliva were moderately lower than those in plasma (mean saliva to plasma ratio = 0.7 ± 0.2). In eight patients evaluated at three different dose levels, plasma rufinamide concentrations increased linearly with increasing dose. Patients receiving valproic acid comedication had higher dose-normalized plasma rufinamide levels than patients comedicated with drugs devoid of strong enzyme-inducing or enzyme-inhibiting activity. Overall, these findings indicate that use of saliva represents a feasible option for the application of TDM in patients treated with rufinamide. Because rufinamide concentrations are lower in saliva than in plasma, a correction factor is needed if measurements made in saliva are used as a surrogate for plasma concentrations.
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Affiliation(s)
- Valentina Franco
- Division of Clinical and Experimental Pharmacology, Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy.,IRCCS, Mondino Foundation, Pavia, Italy
| | - Giuliana Gatti
- Division of Clinical and Experimental Pharmacology, Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy
| | - Iolanda Mazzucchelli
- Division of Clinical and Experimental Pharmacology, Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy
| | - Roberto Marchiselli
- Division of Clinical and Experimental Pharmacology, Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy
| | | | - Paola Rota
- Department of Biomedical, Surgical, and Dental Sciences, University of Milan, Milan, Italy
| | | | - Giuseppe Capovilla
- Epilepsy Center, C. Poma Hospital, Mantua, Italy.,Fondazione Poliambulanza, Brescia, Italy
| | | | | | - Cecilie Johannessen Landmark
- Program for Pharmacy, Faculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway.,Section for Clinical Pharmacology, Department of Pharmacology, National Center for Epilepsy, Oslo University Hospital, Oslo, Norway
| | - Emilio Perucca
- Division of Clinical and Experimental Pharmacology, Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy.,IRCCS, Mondino Foundation, Pavia, Italy
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12
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Meirinho S, Rodrigues M, Fortuna A, Falcão A, Alves G. Novel bioanalytical method for the quantification of rufinamide in mouse plasma and tissues using HPLC-UV: A tool to support pharmacokinetic studies. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1124:340-348. [DOI: 10.1016/j.jchromb.2019.06.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 05/17/2019] [Accepted: 06/18/2019] [Indexed: 01/06/2023]
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13
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Interindividual and Intraindividual Variation of Methylphenidate Concentrations in Serum and Saliva of Patients With Attention-Deficit/Hyperactivity Disorder. Ther Drug Monit 2018; 40:435-442. [DOI: 10.1097/ftd.0000000000000520] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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14
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Serum and Saliva Concentrations of Venlafaxine, O-Desmethylvenlafaxine, Quetiapine, and Citalopram in Psychiatric Patients. Ther Drug Monit 2018; 40:351-355. [DOI: 10.1097/ftd.0000000000000508] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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15
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Salunke N, Thipparaboina R, Chavan RB, Lodagekar A, Mittapalli S, Nangia A, Shastri NR. Rufinamide: Crystal structure elucidation and solid state characterization. J Pharm Biomed Anal 2018; 149:185-192. [DOI: 10.1016/j.jpba.2017.11.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 09/22/2017] [Accepted: 11/01/2017] [Indexed: 01/10/2023]
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16
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Murillo-Rodríguez E, Di Marzo V, Machado S, Rocha NB, Veras AB, Neto GAM, Budde H, Arias-Carrión O, Arankowsky-Sandoval G. Role of N-Arachidonoyl-Serotonin (AA-5-HT) in Sleep-Wake Cycle Architecture, Sleep Homeostasis, and Neurotransmitters Regulation. Front Mol Neurosci 2017; 10:152. [PMID: 28611585 PMCID: PMC5447686 DOI: 10.3389/fnmol.2017.00152] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 05/05/2017] [Indexed: 12/19/2022] Open
Abstract
The endocannabinoid system comprises several molecular entities such as endogenous ligands [anandamide (AEA) and 2-arachidonoylglycerol (2-AG)], receptors (CB1 and CB2), enzymes such as [fatty acid amide hydrolase (FAHH) and monoacylglycerol lipase (MAGL)], as well as the anandamide membrane transporter. Although the role of this complex neurobiological system in the sleep–wake cycle modulation has been studied, the contribution of the blocker of FAAH/transient receptor potential cation channel subfamily V member 1 (TRPV1), N-arachidonoyl-serotonin (AA-5-HT) in sleep has not been investigated. Thus, in the present study, varying doses of AA-5-HT (5, 10, or 20 mg/Kg, i.p.) injected at the beginning of the lights-on period of rats, caused no statistical changes in sleep patterns. However, similar pharmacological treatment given to animals at the beginning of the dark period decreased wakefulness (W) and increased slow wave sleep (SWS) as well as rapid eye movement sleep (REMS). Power spectra analysis of states of vigilance showed that injection of AA-5-HT during the lights-off period diminished alpha spectrum across alertness in a dose-dependent fashion. In opposition, delta power spectra was enhanced as well as theta spectrum, during SWS and REMS, respectively. Moreover, the highest dose of AA-5-HT decreased wake-related contents of neurotransmitters such as dopamine (DA), norepinephrine (NE), epinephrine (EP), serotonin (5-HT) whereas the levels of adenosine (AD) were enhanced. In addition, the sleep-inducing properties of AA-5-HT were confirmed since this compound blocked the increase in W caused by stimulants such as cannabidiol (CBD) or modafinil (MOD) during the lights-on period. Additionally, administration of AA-5-HT also prevented the enhancement in contents of DA, NE, EP, 5-HT and AD after CBD of MOD injection. Lastly, the role of AA-5-HT in sleep homeostasis was tested in animals that received either CBD or MOD after total sleep deprivation (TSD). The injection of CBD or MOD increased alertness during sleep rebound period after TSD. However, AA-5-HT blocked this effect by allowing animals to display an enhancement in sleep across sleep rebound period. Overall, our findings provide evidence that AA-5-HT is an important modulator of sleep, sleep homeostasis and neurotransmitter contents.
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Affiliation(s)
- Eric Murillo-Rodríguez
- Laboratorio de Neurociencias Moleculares e Integrativas, Escuela de Medicina, División Ciencias de la Salud, Universidad Anáhuac MayabMérida, Mexico.,Grupo de Investigación en Envejecimiento, División Ciencias de la Salud, Universidad Anáhuac MayabMérida, Mexico.,Grupo de Investigación Desarrollos Tecnológicos para la Salud, División de Ingeniería y Ciencias Exactas, Universidad Anáhuac MayabMérida, Mexico.,Intercontinental Neuroscience Research Group
| | - Vincenzo Di Marzo
- Intercontinental Neuroscience Research Group.,Endocannabinoid Research Group, Istituto di Chimica Biomolecolare, Consiglio Nazionale delle RicerchePozzuoli, Italy
| | - Sergio Machado
- Intercontinental Neuroscience Research Group.,Laboratory of Panic and Respiration, Institute of Psychiatry, Federal University of Rio de JaneiroRio de Janeiro, Brazil.,Postgraduate Program, Salgado de Oliveira UniversityRio de Janeiro, Brazil
| | - Nuno B Rocha
- Intercontinental Neuroscience Research Group.,Faculty of Health Sciences, Polytechnic Institute of PortoPorto, Portugal
| | - André B Veras
- Intercontinental Neuroscience Research Group.,Institute of Psychiatry, Federal University of Rio de JaneiroRio de Janeiro, Brazil.,Dom Bosco Catholic UniversityRio de Janeiro, Brazil
| | - Geraldo A M Neto
- Intercontinental Neuroscience Research Group.,Laboratory of Panic and Respiration, Institute of Psychiatry, Federal University of Rio de JaneiroRio de Janeiro, Brazil
| | - Henning Budde
- Intercontinental Neuroscience Research Group.,Faculty of Human Sciences, Medical School HamburgHamburg, Germany.,Physical Activity, Physical Education, Health and Sport Research Centre (PAPESH), Sports Science Department, School of Science and Engineering Reykjavik UniversityReykjavik, Iceland.,Department of Health, Physical and Social Education, Lithuanian Sports UniversityKaunas, Lithuania
| | - Oscar Arias-Carrión
- Intercontinental Neuroscience Research Group.,Unidad de Trastornos del Movimiento y Sueño (TMS), Hospital General "Dr. Manuel Gea González"Ciudad de México, Mexico
| | - Gloria Arankowsky-Sandoval
- Intercontinental Neuroscience Research Group.,Centro de Investigaciones Regionales "Dr. Hideyo Noguchi", Universidad Autónoma de YucatánMérida, Mexico
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17
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Revealing the role of the endocannabinoid system modulators, SR141716A, URB597 and VDM-11, in sleep homeostasis. Neuroscience 2016; 339:433-449. [DOI: 10.1016/j.neuroscience.2016.10.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 10/04/2016] [Accepted: 10/04/2016] [Indexed: 01/16/2023]
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18
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Evidence that activation of nuclear peroxisome proliferator-activated receptor alpha (PPARα) modulates sleep homeostasis in rats. Brain Res Bull 2016; 127:156-163. [DOI: 10.1016/j.brainresbull.2016.09.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 09/09/2016] [Accepted: 09/12/2016] [Indexed: 11/22/2022]
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19
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Huihua Q, Feng W, Wenchao S, Xueqian W, Jinjun C, Hui K, Yan Z, Qingguo W. Pharmacokinetic analysis of orally administered puerarin in human saliva using an indirect competition ELISA. ANALYTICAL METHODS 2015; 7:8335-8343. [DOI: 10.1039/c5ay01132a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
The pharmacokinetics of puerarin in human saliva following oral administration of pueraria capsules were successfully studied by an icELISA method.
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Affiliation(s)
- Qu Huihua
- Center of Scientific Experiment
- Beijing University of Chinese Medicine
- Beijing
- China
| | - Wan Feng
- School of Basic Medical Sciences
- Beijing University of Chinese Medicine
- Beijing
- China
| | - Shan Wenchao
- School of Chinese Materia Medica
- Beijing University of Chinese Medicine
- Beijing
- China
| | - Wang Xueqian
- School of Basic Medical Sciences
- Beijing University of Chinese Medicine
- Beijing
- China
| | - Cheng Jinjun
- School of Chinese Materia Medica
- Beijing University of Chinese Medicine
- Beijing
- China
| | - Kong Hui
- School of Basic Medical Sciences
- Beijing University of Chinese Medicine
- Beijing
- China
| | - Zhao Yan
- School of Basic Medical Sciences
- Beijing University of Chinese Medicine
- Beijing
- China
| | - Wang Qingguo
- School of Basic Medical Sciences
- Beijing University of Chinese Medicine
- Beijing
- China
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20
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Mijangos-Moreno S, Poot-Aké A, Arankowsky-Sandoval G, Murillo-Rodríguez E. Intrahypothalamic injection of cannabidiol increases the extracellular levels of adenosine in nucleus accumbens in rats. Neurosci Res 2014; 84:60-3. [DOI: 10.1016/j.neures.2014.04.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 04/01/2014] [Accepted: 04/22/2014] [Indexed: 11/25/2022]
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21
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Gáll Z, Vancea S, Dogaru MT, Szilágyi T. Liquid chromatography–mass spectrometric determination of rufinamide in low volume plasma samples. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 940:42-6. [DOI: 10.1016/j.jchromb.2013.07.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2013] [Revised: 07/03/2013] [Accepted: 07/17/2013] [Indexed: 11/15/2022]
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22
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Development of a Validated Stability-Indicating HPTLC Method for Rufinamide in Bulk and Its Pharmaceutical Dosage Form. J Chromatogr Sci 2013; 52:1294-301. [DOI: 10.1093/chromsci/bmt171] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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23
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Bayrak Z, Kurbanoglu S, Savaser A, Ozkan SA, Altunay H, Tas C, Ozkan CK, Ozkan Y. LC–MS Method for the Sensitive Determination of Metoclopramide: Application to Rabbit Plasma, Gel Formulations and Pharmaceuticals. Chromatographia 2013. [DOI: 10.1007/s10337-013-2568-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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24
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Abstract
Blood (serum/plasma) antiepileptic drug (AED) therapeutic drug monitoring (TDM) has proven to be an invaluable surrogate marker for individualizing and optimizing the drug management of patients with epilepsy. Since 1989, there has been an exponential increase in AEDs with 23 currently licensed for clinical use, and recently, there has been renewed and extensive interest in the use of saliva as an alternative matrix for AED TDM. The advantages of saliva include the fact that for many AEDs it reflects the free (pharmacologically active) concentration in serum; it is readily sampled, can be sampled repetitively, and sampling is noninvasive; does not require the expertise of a phlebotomist; and is preferred by many patients, particularly children and the elderly. For each AED, this review summarizes the key pharmacokinetic characteristics relevant to the practice of TDM, discusses the use of other biological matrices with particular emphasis on saliva and the evidence that saliva concentration reflects those in serum. Also discussed are the indications for salivary AED TDM, the key factors to consider when saliva sampling is to be undertaken, and finally, a practical protocol is described so as to enable AED TDM to be applied optimally and effectively in the clinical setting. Overall, there is compelling evidence that salivary TDM can be usefully applied so as to optimize the treatment of epilepsy with carbamazepine, clobazam, ethosuximide, gabapentin, lacosamide, lamotrigine, levetiracetam, oxcarbazepine, phenobarbital, phenytoin, primidone, topiramate, and zonisamide. Salivary TDM of valproic acid is probably not helpful, whereas for clonazepam, eslicarbazepine acetate, felbamate, pregabalin, retigabine, rufinamide, stiripentol, tiagabine, and vigabatrin, the data are sparse or nonexistent.
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25
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Development and validation of a stability indicating RP-HPLC method for the determination of Rufinamide. J Pharm Anal 2012; 3:66-70. [PMID: 29403798 PMCID: PMC5760934 DOI: 10.1016/j.jpha.2012.08.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Accepted: 08/27/2012] [Indexed: 11/22/2022] Open
Abstract
A stability-indicating RP-HPLC method was developed and validated for the determination of Rufinamide in tablet dosage forms using C 18 column (250 mm×4.6 mm, 5 μm) with mobile phase consisting of water–acetonitrile (40:60, v/v) with a flow rate of 0.8 mL/min (UV detection 215 nm). Linearity was observed over the concentration range 1.0–200 μg/mL (R2=0.9997) with regression equation y=113190 x+63053. Rufinamide was subjected to stress conditions including acidic, alkaline, oxidation, photolysis and thermal degradation. Rufinamide is more sensitive towards acidic degradation. The method was validated as per ICH guidelines.
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26
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Lee SJ, Shin SY, Shin HJ, Lee JG, Kim DH, Lee SJ, Han SB, Park JH, Lee JM, Kwon SW. Development and validation of a HPLC method for the simultaneous determination of chlorquinaldol and promestriene in complex prescription. ANALYTICAL SCIENCE AND TECHNOLOGY 2012. [DOI: 10.5806/ast.2012.25.2.152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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