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Sayed RA, Mohamed AR, Hassan WS, Elmasry MS. Comparative study of four innovative earth-friendly platforms for rapid analysis of daclatasvir dihydrochloride: Application on different matrices. BMC Chem 2023; 17:20. [PMID: 36922875 PMCID: PMC10016150 DOI: 10.1186/s13065-023-00923-4] [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: 09/15/2022] [Accepted: 02/25/2023] [Indexed: 03/17/2023] Open
Abstract
BACKGROUND Daclatasvir dihydrochloride has important roles not only in the management of COVID-19 pandemic symptoms but also in the treatment of chronic hepatitis C infection. OBJECTIVE The current research presents four novel and simple platforms including silver-nanoparticles spectrophotometric technique and three electrochemical conductometric ones for daclatasvir analysis in its tablet, biological fluids, and dissolution media. METHODS The spectrophotometric platform involved the synthesis of silvernanoparticles through a redox reaction between the reducing agent (daclatasvir) and the oxidizing agent (silver nitrate) in presence of polyvinylpyrrolidone as a stabilizing agent. The produced silver-nanoparticles have an intense surface plasmon resonance peak at 421 nm where the measured absorbance values were utilized for quantitative spectrophotometric determination of daclatasvir. While the electrochemical conductometric platforms involved the reaction of daclatasvir with three different precipitating reagents (silver nitrate, phosphomolybdic acid, and ammonium reineckate) to form ion associates between these reagents and daclatasvir in the aqueous system. RESULTS All proposed platforms were validated in line with recommendations of the international conference on harmonization producing satisfactory outcomes within the agreed boundaries. CONCLUSION The proposed platforms are green alternatives for routine rapid assay of daclatasvir at the cheapest cost because their results were observed to be nearly similar to those of the reported platform. Moreover, the suggested spectrophotometric platform's sensitivity can be employed for investigating daclatasvir bioequivalence.
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Affiliation(s)
- Rania A Sayed
- Analytical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
| | - Ahmed R Mohamed
- Analytical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, Cairo, 11829, Egypt.
| | - Wafaa S Hassan
- Analytical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
| | - Manal S Elmasry
- Analytical Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, 44519, Egypt
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El-Waey AA, Abdel-Salam RA, Hadad GM, El-Gindy A. Eco friendly stability indicating HPTLC method for simultaneous determination of sofosbuvir and ledipasvir in pharmaceutical tablets and HPTLC-MS characterization of their degradation products. Microchem J 2023. [DOI: 10.1016/j.microc.2022.108324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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3
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Saraya RE, Hassan YF, Eltoukhi WE, Salman BI. Application of the green analytical procedure index to the simultaneous analysis of co-formulated tinidazole and ciprofloxacin in pure form, tablet dosage form, and human plasma using an environmentally friendly micellar high-performance thin-layer chromatographic technology. JPC-J PLANAR CHROMAT 2023. [DOI: 10.1007/s00764-023-00225-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
AbstractIn individuals with chronic refractory pouchitis and other gastrointestinal disorders, the combination of ciprofloxacin (CIP) and tinidazole (TIN) is beneficial and safe. As a result, a green micellar high-performance thin-layer chromatographic (HPTLC) approach for the immediate analysis of TIN and CIP in pure, spiked human plasma, and co-formulated tablet dosage form has been developed. It is rapid, extremely easy, sensitive, cost-effective, and environmentally friendly. The stationary phase was Merck aluminum HPTLC plates covered with silica gel 60 F254, while the mobile phase was acetone–ethanol–2% watery sodium dodecyl sulfate (3:4:2, V/V). For quantification of both medications, the densitometric scanner was set at 310 nm. For TIN and CIP, this chromatographic separation yielded symmetric, compact peaks with RF values of (0.22 ± 0.009) and (0.42 ± 0.007), respectively. At 310 nm, the separated spots were densitometrically scanned. For TIN and CIP, the detection thresholds were 6.7 ng/band and 25.03 ng/band, respectively. For TIN and CIP, the quantification limits were 20.3 ng/band and 75.25 ng/band, respectively. The approach was validated according to International Council for Harmonisation (ICH) principles and then used to determine the researched medicines in their various pharmaceutical dosage forms, and human plasma yielding an exceptional percent of recovery. In terms of precision and accuracy, the results were in great accordance with the published approach. This method is suitable for the sequential analysis of the two drugs in pure form, tablet dosage forms, and spiked human plasma due to its simplicity, speed, greenness, robustness, and low cost.
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4
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Mohamed HM, Saad AS, Morsi AM, Essam HM. Green RP-HPLC method for simultaneous determination of sofosbuvir, ledipasvir, velpatasvir antivirals and beyond in their bulk material and co-formulated products. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108344] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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5
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Saraya RE, Deeb SE, Salman BI, Ibrahim AE. Highly sensitive high-performance thin-layer chromatography method for the simultaneous determination of Molnupiravir, Favipiravir, and Ritonavir in pure forms and pharmaceutical formulations. J Sep Sci 2022; 45:2582-2590. [PMID: 35583051 DOI: 10.1002/jssc.202200178] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/08/2022] [Accepted: 05/15/2022] [Indexed: 11/06/2022]
Abstract
Favipiravir, molnupiravir, and ritonavir have been recently approved as the first oral antivirals for treatment of SARS-CoV-2 viral infections. Their combination was reported in several clinical studies, alternatively, to enhance the viral eradication and improve patient's recovery times and rates. Being all orally administered, therefore, developing new sensitive and validated methodologies for their simultaneous determination is a necessitate. In the proposed research, a sensitive, selective and simple high-performance thin layer chromatography method was developed and validated for determination of favipiravir, molnupiravir, and ritonavir. Silica gel 60F254 thin layer chromatography plates were used as stationary phase for this separation using mobile phase composed of methylene chloride: ethyl acetate: methanol: 25% ammonia (6:3:4:1, v/v/v/v). Densitometric detection was performed at wavelength 289nm. Peaks of favipiravir, molnupiravir, and ritonavir were resolved at retention factors 0.22, 0.42 and 0.63, respectively. The proposed method was found linear within the specified ranges of 3.75-100.00 μg/mL for molnupiravir and favipiravir, and 2.75-100.00 μg/mL for ritonavir. Limits of detection were found to be 1.12, 1.21, and 0.89 μg/mL for favipiravir, molnupiravir, and ritonavir, respectively. This is the first method to be reported for the simultaneous determination of the cited three antiviral drugs. The method was assessed on novel greenness metrics. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Roshdy E Saraya
- Pharmaceutical analytical chemistry department, Faculty of Pharmacy, Port-Said University, Port-Said, Egypt
| | - Sami El Deeb
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universitaet Braunschweig, 38106, Braunschweig, Germany.,Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Birkat Al Mauz, Nizwa, 616, Sultanate of Oman
| | - Baher I Salman
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Assiut branch, Assiut, 71524, Egypt
| | - Adel Ehab Ibrahim
- Pharmaceutical analytical chemistry department, Faculty of Pharmacy, Port-Said University, Port-Said, Egypt.,Natural and Medical Sciences Research Center, University of Nizwa, P.O. Box 33, Birkat Al Mauz, Nizwa, 616, Sultanate of Oman
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6
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Abdel-Tawab MAH, Abd El-Moghny MG, El Nashar RM. Recent advances in the chromatographic determination of the most commonly used anti-hepatitis C drug sofosbuvir and its co-administered drugs in human plasma. Biomed Chromatogr 2021; 36:e5238. [PMID: 34469609 DOI: 10.1002/bmc.5238] [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: 04/17/2021] [Revised: 08/08/2021] [Accepted: 08/26/2021] [Indexed: 11/10/2022]
Abstract
Sofosbuvir is a direct-acting antiviral drug that inhibits hepatitis C virus (HCV) NS5B polymerase, which in turn affects the virus replication inside biological systems. The clinical importance of sofosbuvir is based not only on its effect on HCV but also on other lethal viruses such as Zika and severe acute respiratory syndrome coronavirus disease 2019 (SARS-COVID-19). Accordingly, there is a continuous shedding of light on the development and validation of accurate and fast analytical methods for the determination of sofosbuvir in different environments. This work critically reviews the recent advances in chromatographic methods for the analysis of sofosbuvir and/or its metabolites in pure samples, pharmaceutical dosage forms, and in the presence of other co-administered drugs to highlight the current status and future perspectives to enhance its determination in different matrixes.
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7
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Fayed AS, Hegazy MA, Kamel EB, Eissa MS. HPLC-UV and TLC-Densitometry Methods for Simultaneous Determination of Sofosbuvir and Daclatasvir: Application to Darvoni® Tablet. J Chromatogr Sci 2021; 60:606-612. [PMID: 34355234 DOI: 10.1093/chromsci/bmab100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/18/2021] [Indexed: 11/13/2022]
Abstract
Sofosbuvir and daclatasvir are co-formulated as directly acting antiviral agents used for treatment of hepatitis C virus. Two chromatographic methods were developed for their determination; the first one is an Reversed phase-high performance liquid chromatography (RP-HPLC) method, in which the separation was performed on C8 Zorbax® SB column (4.6 × 250 mm, 5 μm) using acetonitrile:water:0.05 M phosphate buffer, pH = 8 (50:45:5, v/v/v) as a mobile phase, and ultraviolet detection was performed at 280 nm. Good resolution was obtained, and linearity was confirmed in the range of 10-100 μg/mL for both drugs. The second method is Thin layer chromatography (TLC)-densitometric one, in which sofosbuvir and daclatasvir were separated on silica gel plates using ethyl acetate:hexane:methanol (9:0.5:0.5, v/v/v) as a developing system and the scanning wavelength was 280 nm. Linearity was confirmed over a concentration range of 0.4-25.4 μg/band for sofosbuvir, whereas for daclatasvir linearity scanning was in the range of 0.4-12.8 μg/band. Both antiviral agents can be quantified simultaneously in one analytical run, which is a great time- and cost-saving valor of the developed methods. This valor is even more important in the case of the combined dosage form (Darvoni® tablets) to the pharmaceutical market.
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Affiliation(s)
- Ahmed S Fayed
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, 11562 Cairo, Egypt
| | - Maha A Hegazy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr-El Aini Street, 11562 Cairo, Egypt
| | - Ebraam B Kamel
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, 11829 Cairo, Egypt
| | - Maya S Eissa
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Badr City, 11829 Cairo, Egypt
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Abdel-Lateef MA, Omar MA, Ali R, Almahri A, Derayea SM. Innovative Thin-Layer Chromatography/Fluorescence Detection Approach for Sensitive and Specific Determination of Ledipasvir in Rats' Feces and Pharmaceutical Dosage Form. J Chromatogr Sci 2021; 59:634-641. [PMID: 33634316 DOI: 10.1093/chromsci/bmab019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 10/08/2020] [Accepted: 01/31/2021] [Indexed: 01/29/2023]
Abstract
An innovative thin-layer chromatography method coupled with the fluorescence detection was developed for a specific estimation of ledipasvir. The separation was achieved on plates of silica gel 60 F254 using ethylacetate: hexane: acetonitrile: triethylamine; (6: 3.5: 1.5: 0.5, $\mathrm{v}/\mathrm{v}/\mathrm{v}/\mathrm{v}$) as a mobile phase system. The method involved the exposure of the developed thin-layer chromatography plate of ledipasvir to strong ultraviolet irradiation, resulting in a great enhancement in the fluorescence properties of ledipasvir. The irradiated plates were scanned after the excitation at 315 $\mathrm{nm}$. The method provided a sufficient separation of ledipasvir from sofosbuvir with ${R}_F$values of 0.28 and 0.36 for ledipasvir and sofosbuvir, respectively. The developed procedures were validated based on guidelines from the International Conference on Harmonization and Food and Drug Administration guidelines. The calibration curve was linear over the range of 5-50 $\mathrm{ng}/\mathrm{band}$. The excellent analytical features of the proposed method allow to the specific determination of ledipasvir in pharmaceutical tablets without interference from sofosbuvir or excipients. As the main elimination route for ledipasvir is via the fecal excretion (86%), the method was applied for the estimation of ledipasvir in fecal specimens with adequate recovery. In addition, the proposed method was applied for testing the content uniformity of ledipasvir in the pharmaceutical tablets.
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Affiliation(s)
- Mohamed A Abdel-Lateef
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Mahmoud A Omar
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, Taibah University, Medinah, 42353, Saudi Arabia.,Department of Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
| | - Ramadan Ali
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Albandary Almahri
- General courses unit, Faculty of Sciences and Arts, King Khalid University, Dhahran Aljanoub, 61421, Saudi Arabia
| | - Sayed M Derayea
- Department of Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
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Aboras SI, Abdine HH, Ragab MAA, Korany MA. A Review on Analytical Strategies for the Assessment of Recently Approved Direct Acting Antiviral Drugs. Crit Rev Anal Chem 2021; 52:1878-1900. [PMID: 34138669 DOI: 10.1080/10408347.2021.1923456] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Human beings are in dire need of developing an efficient treatment against fierce viruses like hepatitis C virus (HCV) and Coronavirus (COVID-19). These viruses have already caused the death of over two million people all over the world. Therefore, over the last years, many direct-acting antiviral drugs (DAADs) were developed targeting nonstructural proteins of these two viruses. Among these DAADs, several drugs were found more effective and safer than the others as sofosbuvir, ledipasvir, grazoprevir, glecaprevir, voxilaprevir, velpatasvir, elbasvir, pibrentasvir and remdesivir. The last one is indicated for COVID-19, while the rest are indicated for HCV treatment. Due to the valuable impact of these DAADs, larger number of analytical methods were required to meet the needs of the clinical studies. Therefore, this review will highlight the current approaches, published in the period between 2017 to present, dealing with the determination of these drugs in two different matrices: pharmaceuticals and biological fluids with the challenges of analyzing these drugs either alone, with other drugs, in presence of interferences (pharmaceutical excipients or endogenous plasma components) or in presence of matrix impurities, degradation products and metabolites. These approaches include spectroscopic, chromatographic, capillary electrophoretic, voltametric and nuclear magnetic resonance methods that have been reported during this period. Moreover, the analytical instrumentation and methods used in determination of these DAADs will be illustrated in tabulated forms.
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Affiliation(s)
- Sara I Aboras
- Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria, Egypt
| | - Heba H Abdine
- Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria, Egypt
| | - Marwa A A Ragab
- Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria, Egypt
| | - Mohamed A Korany
- Faculty of Pharmacy, Department of Pharmaceutical Analytical Chemistry, University of Alexandria, El-Messalah, Alexandria, Egypt
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10
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Selcuk O, Demir Y, Erkmen C, Yıldırım S, Uslu B. Analytical Methods for Determination of Antiviral Drugs in Different Matrices: Recent Advances and Trends. Crit Rev Anal Chem 2021; 52:1662-1693. [PMID: 33983841 DOI: 10.1080/10408347.2021.1908111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Viruses are the main pathogenic substances that cause severe diseases in humans and other living things. They are among the most common microorganisms, and consequently, antiviral drugs have emerged to prevent and treat viral infections. Antiviral drugs are an essential drug group considering their prescription and consumption rates for different diseases and indications. Therefore, it is crucial to develop accurate and precise analytical methods to detect antiviral drugs in various matrices. Chromatographic techniques are used frequently for the quantification purpose since they allow simultaneous determination of antivirals. Electrochemical methods have also gained importance since the analysis can be performed quickly without the need for pretreatment. Spectrophotometric and spectrofluorimetric methods are used because they are simple, inexpensive, and less time-consuming methods. The purpose of this review is to present an overview of the analysis of currently used antiviral drugs from 2010 to 2021. Since studies on antiviral drugs are numerous, selected publications were reviewed in this article. The analysis of antiviral drugs was divided into three main groups: chromatographic, spectrometric, and electrochemical methods which were applied to different matrices, including pharmaceutical, biological, and environmental samples.
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Affiliation(s)
- Ozge Selcuk
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Yeliz Demir
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Cem Erkmen
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
| | - Sercan Yıldırım
- Department of Analytical Chemistry, Faculty of Pharmacy, Karadeniz Technical University, Trabzon, Turkey
| | - Bengi Uslu
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Ankara, Turkey
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Saraya RE, Abdel Hameed EA. Eco-friendly micellar HPTLC technique for the simultaneous analysis of co-formulated antibiotic cefoperazone and sulbactam in pure form and vial pharmaceutical formulation. JPC-J PLANAR CHROMAT 2021. [DOI: 10.1007/s00764-021-00091-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Hamad AE, Mohammed BS, Derayea SM, El-Malla SF. Micelle sensitized synchronous spectrofluorimetric approaches for the simultaneous determination of simeprevir and ledipasvir: Application to pharmaceutical formulations and human plasma. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 239:118471. [PMID: 32474370 DOI: 10.1016/j.saa.2020.118471] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/04/2020] [Accepted: 05/09/2020] [Indexed: 06/11/2023]
Abstract
Simeprevir (SMV) is commonly co-administered with ledipasvir (LDS) and sofosbuvir (SOF) as an effective combination regimen for treatment naive hepatitis C virus infected patients. In the present study, two spectrofluorimetric approaches were combined together for the development of highly sensitive, rapid, simple and accurate method for simultaneous quantification of SMV and LDS. The native fluorescence intensity values of SMV and LDS were enhanced by the addition of Tween-80 micellar system, while second derivative of the synchronous fluorescence intensity of the drugs at Δλ = 120 nm enabled the determination of both drug concomitantly. Different experimental parameters affecting the synchronous fluorescence of the cited drugs were carefully evaluated for their optimization. The peak amplitudes of the second derivative synchronous fluorimetry were measured at 429 nm for SMV and at 417 nm for LDS. The fluorescence-concentration plots were rectilinear over the range of 60-1500 and 36-540 ng mL-1 with lower detection limits of 9.0 and 6.0 ng mL-1 and quantification limits of 27.0 and 17.0 ng mL-1 for SMV and LDS respectively. The method was successfully applied for the determination of both drugs in their pure forms as well as their pharmaceutical products and human plasma without any significant interference. Statistical comparison with the reported method revealed excellent accuracy and precision of the proposed method.
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Affiliation(s)
- Amal E Hamad
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Menoufia University, Shebin El-Kom, Menoufia, Egypt
| | - Bassam Shaaban Mohammed
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Menoufia University, Shebin El-Kom, Menoufia, Egypt.
| | - Sayed M Derayea
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia 61519, Egypt
| | - Samah F El-Malla
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
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13
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HPTLC-densitometric analysis of selected antidiabetic drugs in presence of their degradation products. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104560] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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14
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El-Yazbi AF, Elashkar NE, Abdel-Hay KM, Talaat W, Ahmed HM. Eco-friendly HPTLC method for simultaneous analysis of sofosbuvir and ledipasvir in biological and pharmaceutical samples: Stability indicating study. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104584] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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15
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Elkhoudary MM, Selim BM, AbdelSalam RA, Hadad GM, El-Gindy A. Development and validation of a simple HPTLC method for the determination of new hepatitis C subtype 4 antiviral agents in their tablet dosage form. JPC-J PLANAR CHROMAT 2020. [DOI: 10.1007/s00764-019-00006-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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16
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Nasr JJ, Shalan S. Validated 1H and 19F nuclear magnetic resonance for the quantitative determination of the hepatitis C antiviral drugs sofosbuvir, ledipasvir, and daclatasvir in tablet dosage forms. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104437] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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17
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Abdel-Lateef MA, Ali R, Omar MA, Derayea SM. Micellar-based spectrofluorimetric method for the selective determination of ledipasvir in the presence of sofosbuvir: application to dosage forms and human plasma. LUMINESCENCE 2019; 35:486-492. [PMID: 31869004 DOI: 10.1002/bio.3753] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 11/08/2019] [Accepted: 11/25/2019] [Indexed: 12/27/2022]
Abstract
A fast, low-cost, sensitive, and selective spectrofluorimetric method for the determination of ledipasvir was developed and validated. The method is based on an enhancement in the native fluorescence intensity of ledipasvir by 500% of its original value by the formation of hydrogen bonds between the cited drug and Tween-20 in the micellar system (pH = 5.0). All fluorescence measurements were carried out at 425 nm and 340 nm for emission and excitation wavelengths, respectively. A linear relationship between the concentration of ledipasvir and the observed fluorescence intensity was achieved in the range of 0.1-2.0 μg ml-1 with 0.028, 0.084 μg ml-1 , for detection and quantitation limits, respectively. The acquired selectivity and sensitivity using the proposed method facilitate the analysis of ledipasvir in spiked human plasma with sufficient percentage recovery (95.36-99.30%). The proposed method was developed and validated according to International Council for Harmonisation (ICH) guidelines. Moreover, the cited drug was successfully determined in its pharmaceutical dosage form using the proposed method. In addition, the validity of the proposed results was statistically confirmed using Student's t-test, variance ratio F-test, and interval hypothesis test.
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Affiliation(s)
- Mohamed A Abdel-Lateef
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, Egypt
| | - Ramadan Ali
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut, Egypt
| | - Mahmoud A Omar
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, Taibah University, Medinah, Saudi Arabia.,Department of Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Sayed M Derayea
- Department of Analytical Chemistry, Faculty of Pharmacy, Minia University, Minia, Egypt
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Rageh AH, Abdel-Aal FAM, Pyell U. Optimization of a sensitive and robust strategy for micellar electrokinetic chromatographic analysis of sofosbuvir in combination with its co-formulated hepatitis C antiviral drugs. J Chromatogr A 2019; 1616:460795. [PMID: 31918849 DOI: 10.1016/j.chroma.2019.460795] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/27/2019] [Accepted: 12/14/2019] [Indexed: 02/06/2023]
Abstract
Based on our previous work with "pseudostationary-ion exchanger sweeping", we use this strategy to develop a sensitive, reliable and robust method for the analysis of the newly-FDA approved hepatitis C antiviral drugs namely; sofosbuvir (SOV), daclatasvir (DAC), ledipasvir (LED) and velpatasvir (VEP) in their pure forms and co-formulated pharmaceutical dosage forms using micellar electrokinetic chromatography (MEKC) as a separation method. For the first time, a successful separation of all the investigated compounds was achieved in less than 8 min using a basic background electrolyte (BGE) composed of 25 mmol L-1 SDS + 20% (v/v) ACN (acetonitrile) in 10 mmol L-1 disodium tetraborate buffer (final apparent pH is 9.90). A special focus was given to optimize the composition of the sample matrix to maintain the solubility of the analytes within the sample zone while gaining additional benefits regarding analyte zone focusing. It was found that replacing phosphoric acid (as a sample matrix) with a zwitterionic/isoelectric buffering compound (L-glutamic acid) has a substantial positive impact on the obtained enrichment efficiency. The interplay of other enrichment principles such as the retention factor gradient effect (RFGE) is also discussed. A full validation study is performed based on the pharmacopeial and ICH guidelines. The obtained limits of detection and quantitation are as low as 0.63 and 1.3 μg mL-1; respectively for SOV and DAC and 1.3 and 2.5 μg mL-1; respectively for LED and VEP using UV-DAD as a detection method. The selectivity of the developed method for determination of the studied compounds in their pharmaceutical dosage forms or in the presence of ribavirin (RIB) or elbasvir (ELB), which are other prescribed medications in the treatment regimen of patients with hepatitis C virus infection, is demonstrated. It is shown that with acidic sample matrix and basic BGE, an efficient and precise approach was designed in which analyte adsorption on the capillary wall was minimized while keeping repeatable peak height, peak area and migration time together with the highest possible enrichment efficiency.
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Affiliation(s)
- Azza H Rageh
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, 71526 Assiut, Egypt; Department of Chemistry, University of Marburg, Hans-Meerwein-Straße, 35032 Marburg, Germany.
| | - Fatma A M Abdel-Aal
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, 71526 Assiut, Egypt
| | - Ute Pyell
- Department of Chemistry, University of Marburg, Hans-Meerwein-Straße, 35032 Marburg, Germany
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19
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Mohamed AI, Rageh AH, Abdel‐aal FAM, Ali ABH. Pencil Graphite Electrode Decorated with Xylenol Orange Flakes for Studying Possible Pharmacokinetic Interaction Between Vardenafil and Daclatasvir. ELECTROANAL 2019. [DOI: 10.1002/elan.201900272] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Abdel‐Maaboud I. Mohamed
- Pharmaceutical Analytical Chemistry Department, Faculty of PharmacyAssiut University 71526 Assiut Egypt
| | - Azza H. Rageh
- Pharmaceutical Analytical Chemistry Department, Faculty of PharmacyAssiut University 71526 Assiut Egypt
| | - Fatma A. M. Abdel‐aal
- Pharmaceutical Analytical Chemistry Department, Faculty of PharmacyAssiut University 71526 Assiut Egypt
| | - Al‐Montaser Bellah H. Ali
- Pharmaceutical Analytical Chemistry Department, Faculty of PharmacyAssiut University 71526 Assiut Egypt
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20
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Ibrahim AE, Saraya RE, Saleh H, Elhenawee M. Development and validation of eco-friendly micellar-HPLC and HPTLC-densitometry methods for the simultaneous determination of paritaprevir, ritonavir and ombitasvir in pharmaceutical dosage forms. Heliyon 2019; 5:e01518. [PMID: 31049430 PMCID: PMC6479116 DOI: 10.1016/j.heliyon.2019.e01518] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/12/2019] [Accepted: 04/12/2019] [Indexed: 12/18/2022] Open
Abstract
Ombitasvir, ritonavir and paritaprevir are three recently discovered directly acting antiviral drugs (DAADs) used in combined single dose tablet dosage form for treatment of hepatitis-C viral infections (HCV). The methods of analysis followed by quality control and research laboratories are required to be economic and fast; however, these methods can also produce huge amounts of chemical waste. In this study two fast, economic and green HPLC and HPTLC methods were validated for the simultaneous determination of the three drugs. For HPLC, isocratic elution used a mixture of micellar aqueous mobile phase consisting of (0.15 M sodium lauryl sulfate and 0.01 M sodium dihydrogen phosphate, pH 6.2) and ethanol (56:44). Elution was done on RP-C18 Kinetix® column (5 μm, 150 mm × 4.6 mm ID) at flow 1 mL min-1 and 254 nm UV-detector. HPTLC separations were performed on Merck® (20 cm × 10 cm) aluminum HPTLC plates coated with silica gel 60F254 using a mobile phase, Methylene chloride: methanol: ethyl acetate: ammonia (25%), (5:1:3:1, v/v/v/v) respectively. The calibration curves were linear across ranges of 3-100 μg mL-1 and 0.1-2 μg/spot for both HPLC and HPTLC methods, respectively. The two methods were applied successfully for the determination of the three drugs under study in their combined tablets dosage forms.
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Affiliation(s)
- Adel Ehab Ibrahim
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Port-Said University, Egypt
| | - Roshdy E Saraya
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Port-Said University, Egypt
| | - Hanaa Saleh
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Zagazig University, Egypt
| | - Magda Elhenawee
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Zagazig University, Egypt
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21
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Elhenawee M, Saleh H, Saraya RE. Simultaneous high-performance thin-layer chromatographic determination of ondansetron and pantoprazole in their pure forms and spiked human plasma. JPC-J PLANAR CHROMAT 2019. [DOI: 10.1556/1006.2019.32.2.11] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Magda Elhenawee
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Hanaa Saleh
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Roshdy E. Saraya
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Port Said University, Port Said, Egypt
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22
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Baker MM, Hammad SF, Belal TS. Development and validation of a versatile HPLC-DAD method for simultaneous determination of the antiviral drugs daclatasvir, ledipasvir, sofosbuvir and ribavirin in presence of seven potential impurities. Application to assay of dosage forms and dissolution studies. Drug Dev Ind Pharm 2019; 45:1111-1119. [PMID: 30929537 DOI: 10.1080/03639045.2019.1593444] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
This study describes a simple, sensitive, specific and generic HPLC-DAD method for simultaneous determination of four drugs prescribed for treatment of Hepatitis C Virus (HCV) infection. Investigated drugs include daclatasvir (DAC), ledipasvir (LED), sofosbuvir (SOF) and ribavirin (RIB). Successful separation was accomplished using Thermohypersil BDS-C8 column (4.6 × 250 mm, 5 µm) with gradient elution of the mobile phase consisted of mixed phosphate buffer pH 7.5 and methanol. Gradient elution started with 25% methanol, ramped up linearly to 80% in 15 min then kept constant till the end of the run. Flow rate was 1.5 mL/min. Peak areas were measured at 235, 260, 315, and 332 nm for RIB, SOF, DAC, and LED, respectively. Peaks of the analytes were perfectly resolved with retention times 2.0, 12.1, 14.7, and 17.2 min for RIB, SOF, DAC, and LED, respectively. The developed method was validated according to ICH guidelines with respect to system suitability, linearity, ranges, accuracy, precision, specificity, robustness, and limits of detection and quantification. The proposed method showed good linearity in the ranges 5-500, 2-300, 0.5-75, and 0.5-75 µg/mL for RIB, SOF, DAC, and LED respectively. Limits of detection were 0.10-0.66 μg/mL for the analyzed drugs. Specificity was established by separation of target drugs from 7 process-related impurities for SOF including its major metabolite (GS-331007). Applicability of the proposed method to real life situations was assessed through the analysis of four different pharmaceutical formulations and satisfactory results were obtained. Additionally, dissolution profiles of the 4 drugs were studied using the developed method.
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Affiliation(s)
- Mostafa M Baker
- a Methodology Department , Pharco Pharmaceuticals Company , Alexandria , Egypt
| | - Sherif F Hammad
- b Pharmaceutical Chemistry Department, Faculty of Pharmacy , Helwan University , Helwan , Egypt
| | - Tarek S Belal
- c Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy , University of Alexandria , Alexandria , Egypt
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23
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Saraya RE, Elhenawee M, Saleh H. Development of a high-performance thin-layer chromatographic method for the simultaneous determination of newly co-formulated antiviral drugs sofosbuvir and velpatasvir in their pure forms and tablet dosage form. JPC-J PLANAR CHROMAT 2019. [DOI: 10.1556/1006.2019.32.2.10] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Roshdy E. Saraya
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Port-Said University, Egypt
| | - Magda Elhenawee
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Zagazig University, Egypt
| | - Hanaa Saleh
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Zagazig University, Egypt
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