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Athalye M, Teli D, Chorawala M, Sharma A, Patel R, Dua K, Singh SK, Gupta G, Patel M. Apolipoprotein E3 functionalized lipid-drug conjugated nanoparticles of Levetiracetam for enhanced delivery to the brain: In-vitro cell line studies and in-vivo study. Int J Biol Macromol 2024; 254:127799. [PMID: 37923037 DOI: 10.1016/j.ijbiomac.2023.127799] [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: 08/26/2023] [Revised: 10/27/2023] [Accepted: 10/29/2023] [Indexed: 11/07/2023]
Abstract
A significant portion of brain-tumor patients suffer from 'brain-tumor-related epilepsy (BTE)' which results in depression, anxiety and hampered quality of life. Conventional anti-epileptic drugs indicate negative interaction with other drugs augmenting the poor outcome of overall therapy. Levetiracetam (LVM) has evidenced effectiveness for BTE but its hydrophilicity restricts the passage into blood-brain barrier. The majority of lipid nanoparticles fails to load hydrophilic drug sufficiently. Therefore, lipid-drug conjugates (LDC) were synthesized using stearic acid via amide bond formation confirmed by FTIR and NMR. The nanoparticles of synthesized LDC were prepared by solvent injection method followed by functionalization with Apolipoprotein E3 (ApoE3@LDC-NP). The nanoparticles were characterized by DSC, XRD, particle size (131.6 ± 1.24 nm), zeta potential (-15.6 ± 0.09 mV), and for storage stability. In-vitro release study indicated initial burst release of 20 ± 0.63 % followed by sustained release up to 30 h (66 ± 1.40 %) for ApoE3@LDC-NP. The cell-line study on HEK293 indicated no significant cytotoxic effect and greater cell uptake through U87MG cell line. The pharmacokinetic and bio-distribution study indicated 2.5-fold greater brain-targeting of ApoE3@LDC-NP as compared to LVM solution. It proved safe in the haemolysis study and exhibited the absence of tissue necrosis. Thus, ApoE3@LDC-NP might be a promising approach for effective brain-targeting of LVM for improved clinical response in BTE.
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Affiliation(s)
- Mansi Athalye
- L. M. College of Pharmacy, Opposite Gujarat University, Navrangpura, Ahmedabad, Gujarat 380009, India; Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT - Campus, Changa, 388421 Anand, Gujarat, India
| | - Divya Teli
- L. M. College of Pharmacy, Opposite Gujarat University, Navrangpura, Ahmedabad, Gujarat 380009, India
| | - Mehul Chorawala
- L. M. College of Pharmacy, Opposite Gujarat University, Navrangpura, Ahmedabad, Gujarat 380009, India; Intas Pharmaceuticals Ltd., Corporate House, Near Sola Bridge, S. G. Highway, Thaltej, Ahmedabad 380054, Gujarat, India
| | - Abhilasha Sharma
- Department of Life science, University School of Sciences, Gujarat University, Ahmedabad 380009, Gujarat, India
| | - Rashmin Patel
- Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT - Campus, Changa, 388421 Anand, Gujarat, India
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Sachin Kumar Singh
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia; School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Gaurav Gupta
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, India; School of Pharmacy, Graphic Era Hill University, Dehradun 248007, India; School of Pharmacy, Suresh Gyan Vihar University, Jagatpura, Mahal Road, Jaipur, India
| | - Mrunali Patel
- Ramanbhai Patel College of Pharmacy, Charotar University of Science and Technology, CHARUSAT - Campus, Changa, 388421 Anand, Gujarat, India.
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ALRabeeah D, Almomen A, Alzoman N, Arafah M. Evaluating the bioequivalence of levetiracetam brand and generic oral tablets available in the Saudi market in vivo. Saudi Pharm J 2023; 31:101758. [PMID: 37753207 PMCID: PMC10518482 DOI: 10.1016/j.jsps.2023.101758] [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: 06/20/2023] [Accepted: 08/20/2023] [Indexed: 09/28/2023] Open
Abstract
Background Epilepsy is a common global neurological disorder. About 30% of epileptic patients are managed with anti-epileptic Drugs (AEDs). Since 2000, Levetiracetam (LEV) has been marketed around the world as an AED under the brand name Keppra, and recently more generics are found in the Saudi market as cheaper alternatives. The objective of this study is to evaluate the bioequivalence of LEV brand and generics available in the Saudi market in mice. Methods Pharmacokinetics (PK), liver function test, and behavioral studies were conducted for LEV brand and generic in different groups of Blab/c mice. Results PK results show a significance difference in PK parameters mostly evidenced with generic 3, then generic 2. The only significant different between Keppra and generic 1 was in T1/2. In addition, Keppra did not significantly increase liver enzymes in comparison to other generics. On the other hand, other generics showed less favorable results in increasing liver enzymes. Keppra reduced the number and intensity of epileptic attacks, had no mortality rate due to epilepsy, and was associated with less sever seizures attacks. Conclusion Keppra, the brand form of LEV, has better safety and efficacy profiles in mice compared to 3 generics found in the Saudi market. Therefore, we recommend evaluating the same parameters tested in this study in patients utilizing similar generics and brand to establish the existence of bioequivalence between LEV brand and generics.
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Affiliation(s)
- Danah ALRabeeah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11495, Saudi Arabia
| | - Aliyah Almomen
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11495, Saudi Arabia
| | - Nourah Alzoman
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11495, Saudi Arabia
| | - Maria Arafah
- Department of Pathology, College of Medicine, King Saud University, Riyadh 11495, Saudi Arabia
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Development and Validation of a Simple HPLC-UV Assay Method for Determination of Levetiracetam Concentrations in Human Plasma. ANALYTICA 2023. [DOI: 10.3390/analytica4010001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Levetiracetam (LEV) is a broad spectrum antiseizure medication that is used in various seizure types. There is evidence that therapeutic drug monitoring (TDM) of LEV is of value in selected patient populations, therefore determination of LEV plasma concentrations is essential. Herein we developed and validated a simple, reproducible, and practical method for the quantification of LEV concentrations in human plasma samples using high performance liquid chromatography (HPLC). Plasma samples (0.3 mL) deproteinization was done using acetonitrile. HPLC chromatographic separation of plasma samples was accomplished by reversed phase C18 column. The mobile phase constituted water and acetonitrile (90:10, v/v) ran at flow rate of 1 mL/min. Signal acquisition was conducted at a wavelength of 192 nm. Calibration curves showed excellent linearity (Correlation coefficient r2 > 0.99) over a concentration range of 3–80 μg/mL. Both inter and intraday assay accuracy and precision were less than 8% (except for the lowest limit of quantification was within 20%). Elution time was 15 min. The developed method excluded the use of buffers and utilized small volumes of plasma samples with simple mobile phase composition. Therefore, our method could be practically applied to routine TDM.
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Özbek O, Berkel C, Isildak Ö, Gürdere MB. HPLC–based methods for the determination of levetiracetam in biological and pharmaceutical samples. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ji Z, Yin L, Li Y, Yang X, Lin L, Liu L, Jiang Y, Huang J. Development and validation of a liquid chromatography-tandem mass spectrometry method with triple-stage fragmentation to determine levetiracetam in epileptic patient serum and its application in therapeutic drug monitoring. J Sep Sci 2021; 44:4255-4263. [PMID: 34648229 DOI: 10.1002/jssc.202100639] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/17/2021] [Accepted: 09/27/2021] [Indexed: 11/10/2022]
Abstract
Levetiracetam is an antiepileptic drug that is primarily approved by the Food and Drug Administration for the treatment of focal and generalized seizures. This study describes the development and validation of a highly selective and sensitive liquid chromatography-tandem mass spectrometry method with triple-stage fragmentation to determine levetiracetam in epileptic patient serum. After simple protein precipitation, the analytes were separated on a short reversed-phase column (Agilent Poroshell 120 SB-C18 column, 4.6 × 50 mm, 2.7 μm) using isocratic elution with 25% 0.1% formic acid in water (solvent A) and 75% methanol (solvent B) at a flow rate of 0.8 ml/min. The linear range is 0.5-50 μg/mL (R2 > 0.99). All the validation data, such as lower limit of quantification, linearity, specificity, recoveries, matrix effects, and other parameters, fit the request of biological method validation guidance. Passing-Bablok regression coefficients demonstrated that there is no constant bias and no proportional bias between the liquid chromatography-tandem mass spectrometry methods with triple-stage fragmentation and liquid multiple reaction monitoring. Bland-Altman plot showed that the developed liquid chromatography-tandem mass spectrometry method with triple-stage fragmentation method is reliable and accurate to determine levetiracetam in human serum.
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Affiliation(s)
- Zhengchao Ji
- Department of Laboratory Medicine, the First Hospital of Jilin University, Changchun, P. R. China
| | - Lei Yin
- Department of Laboratory Medicine, the First Hospital of Jilin University, Changchun, P. R. China.,School of Life and Pharmaceutical Sciences, Dalian University of Technology, Panjin, P. R. China
| | - Yanyan Li
- Department of Laboratory Medicine, the First Hospital of Jilin University, Changchun, P. R. China
| | - Xiaoquan Yang
- Department of Laboratory Medicine, the First Hospital of Jilin University, Changchun, P. R. China
| | - Lin Lin
- Traditonal Chinese Medicine Department, Heilongjiang Institute for Drug Control, Harbin, P. R. China
| | - Lingling Liu
- Department of Laboratory Medicine, the First Hospital of Jilin University, Changchun, P. R. China
| | - Yi Jiang
- Department of Breast Disease, the Second Hospital of Jilin University, Changchun, P. R. China
| | - Jing Huang
- Department of Laboratory Medicine, the First Hospital of Jilin University, Changchun, P. R. China
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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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Önal C, Kul A, Ozdemir M, Sagirli O. Determination of levetiracetam in human plasma by online heart-cutting liquid chromatography: Application to therapeutic drug monitoring. J Sep Sci 2020; 43:3590-3596. [PMID: 32644231 DOI: 10.1002/jssc.202000504] [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: 05/02/2020] [Revised: 07/04/2020] [Accepted: 07/07/2020] [Indexed: 11/08/2022]
Abstract
Levetiracetam is an antiepileptic drug for the treatment of psychiatric patients. In this study, a selective, straightforward, and rapid online heart-cutting liquid chromatography method was developed for the therapeutic drug monitoring of levetiracetam. This method allows for the determination of levetiracetam in human plasma without complex sample preparation. The mobile phases consisted of 30 mM aq. orthophosphoric acid solution/methanol (70:30) at a flow rate of 1 mL/min for the first system and 10 mM aq. orthophosphoric acid solution/methanol (55:45) at a flow rate of 1 mL/min for the second system. The first separation was carried out on a GL Sciences Intersil ODS-3 column (4.6 mm × 150 mm, 3 µm) and the second separation was carried out on a Restek Ultra PFPP column (4.6 mm × 150 mm, 5 µm). The detection was carried out at 205 nm for both systems. The method was validated for selectivity and linearity, which were in the 6-60 µg/mL range. Intra- and interassay accuracies were <112.6%, and the intra- and interassay precisions were <6.4% for all quality control samples. The lower limit of quantitation was 6 µg/mL. The developed method was successfully applied for therapeutic drug monitoring of plasma samples from patients.
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Affiliation(s)
- Cem Önal
- CinnaGen Pharmaceutical, Atasehir, Istanbul, Turkey
| | - Aykut Kul
- Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - Murat Ozdemir
- Health Application and Research Center Medical Biochemistry Laboratory, Üsküdar University, Istanbul, Turkey
| | - Olcay Sagirli
- Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
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Abstract
A comprehensive profile of levetiracetam is presented in this chapter which includes its description, formula, elemental analysis, appearance, uses and applications. Different earlier studies included for example methods of synthesis are described with its typical structural schemes. The profile also listed the drug's physical characteristics indicating its solubility, X-ray powder diffraction pattern, thermal methods of analysis as well as its spectroscopic characteristics. Different methods of analysis which includes compendial method of analysis, as well as reported method of analysis which include spectrophotometry, spectrofluorometry, electrochemical method, chromatographic method, and immunoassay method of analysis. The study was include drug stability, clinical pharmacology, e.g., mechanism of action, pharmacokinetic study. Around 70 references are recorded as a proof of this chapter.
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Affiliation(s)
- Haitham Alrabiah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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Zhang T, Zhu GY, Yu CH, Xie Y, Xia MY, Lu BY, Fei X, Peng Q. The UV absorption of graphene oxide is size-dependent: possible calibration pitfalls. Mikrochim Acta 2019; 186:207. [DOI: 10.1007/s00604-019-3329-5] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 02/16/2019] [Indexed: 12/31/2022]
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Zanchi C, Lucotti A, Cancogni D, Fontana F, Trusso S, Ossi PM, Tommasini M. Functionalization of nanostructured gold substrates with chiral chromophores for SERS applications: The case of 5-Aza[5]helicene. Chirality 2018; 30:875-882. [PMID: 29852522 DOI: 10.1002/chir.22970] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 03/20/2018] [Accepted: 04/10/2018] [Indexed: 12/30/2022]
Abstract
Nanostructured gold thin films can be fabricated by controlled pulsed laser deposition to get efficient sensors, with uniform morphology and optimized plasmon resonance, to be employed as plasmonic substrates in surface enhanced Raman scattering spectroscopy. By attaching 5-aza[5]helicen-6-yl-6-hexanethiol to such gold nanostructures, used in a previous work for label-free drug sensing with biomedical purposes, we successfully prepared functionalized substrates with remarkable surface enhanced Raman scattering activity. The long-term motivation is to develop probes for drug detection at low concentrations, where sensitivity to specific chiral targets is required.
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Affiliation(s)
- Chiara Zanchi
- Dip. di Energia, Politecnico di Milano, Milan, Italy.,Dip. di Chimica Materiali e Ing. Chimica, Politecnico di Milano, Milan, Italy
| | - Andrea Lucotti
- Dip. di Chimica Materiali e Ing. Chimica, Politecnico di Milano, Milan, Italy
| | - Damiano Cancogni
- Dip. di Ingegneria e Scienze Applicate, Università di Bergamo, Dalmine, Italy
| | - Francesca Fontana
- Dip. di Ingegneria e Scienze Applicate, Università di Bergamo, Dalmine, Italy.,INSTM Bergamo R.U, Dalmine, Italy
| | | | - Paolo M Ossi
- Dip. di Energia, Politecnico di Milano, Milan, Italy
| | - Matteo Tommasini
- Dip. di Chimica Materiali e Ing. Chimica, Politecnico di Milano, Milan, Italy
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