Two Green Micellar HPLC and Mathematically Assisted UV Spectroscopic Methods for the Simultaneous Determination of Molnupiravir and Favipiravir as a Novel Combined COVID-19 Antiviral Regimen / Yasmine Ahmed Sharaf, Sami El Deeb, Adel Ehab Ibrahim, Ahmed Al-Harrasi and Rania Adel Sayed
Following the spread of the COVID-19 pandemic crisis, a race was initiated to find a successful regimen for postinfections. Among those trials, a recent study declared the efficacy of an antiviral combination of favipiravir (FAV) and molnupiravir (MLP). The combined regimen helped in a successful 60% eradication of the SARS-CoV-2 virus from the lungs of studied hamster models. Moreover, it prevented viral transmission to cohosted sentinels. Because both medications are orally bioavailable, the coformulation of FAV and MLP can be predicted. The developed study is aimed at developing new green and simple methods for the simultaneous determination of FAV and MLP and then at their application in the study of their dissolution behavior if coformulated together. A green micellar HPLC method was validated using an RP-C18 core-shell column (5 μm, 150 × 4.6 mm) and an isocratic mixed micellar mobile phase composed of 0.1 M SDS, 0.01 M Brij-35, and 0.02 M monobasic potassium phosphate mixture and adjusted to pH 3.1 at 1.0 mL min-1 flow rate. The analytes were detected at 230 nm. The run time was less than five minutes under the optimized chromatographic conditions. Four other multivariate chemometric model methods were developed and validated, namely, classical least square (CLS), principal component regression (PCR), partial least squares (PLS-1), and genetic algorithm-partial least squares (GA-PLS-1). The developed models succeeded in resolving the great similarity and overlapping in the FAV and MLP UV spectra unlike the traditional univariate methods. All methods were organic solvent-free, did not require extraction or derivatization steps, and were applied for the construction of the simultaneous dissolution profile for FAV tablets and MLP capsules. The methods revealed that the amount of the simultaneously released cited drugs increases up until reaching a plateau after 15 and 20 min for FAV and MLP, respectively. The greenness was assessed on GAPI and found to be in harmony with green analytical chemistry concepts..
| Medienart: |
E-Book |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
Basel: MDPI$n ; 2022 Braunschweig: Universitätsbibliothek ; 2022 |
| Enthalten in: |
Molecules - 27 (2022) 07, 2330 |
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| Sprache: |
Englisch |
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| Beteiligte Personen: |
Sharaf, Yasmine Ahmed [VerfasserIn] |
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| Links: |
publikationsserver.tu-braunschweig.de [kostenfrei] |
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| Themen: |
Amides |
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| Umfang: |
1 Online-Ressource (15 Seiten) |
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| doi: |
10.3390/molecules27072330 |
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| Weitere IDs: |
urn:nbn:de:gbv:084-2022111711220 |
| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
1822822874 |
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| 245 | 1 | 0 | |a Two Green Micellar HPLC and Mathematically Assisted UV Spectroscopic Methods for the Simultaneous Determination of Molnupiravir and Favipiravir as a Novel Combined COVID-19 Antiviral Regimen |c Yasmine Ahmed Sharaf, Sami El Deeb, Adel Ehab Ibrahim, Ahmed Al-Harrasi and Rania Adel Sayed |
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| 520 | |a Following the spread of the COVID-19 pandemic crisis, a race was initiated to find a successful regimen for postinfections. Among those trials, a recent study declared the efficacy of an antiviral combination of favipiravir (FAV) and molnupiravir (MLP). The combined regimen helped in a successful 60% eradication of the SARS-CoV-2 virus from the lungs of studied hamster models. Moreover, it prevented viral transmission to cohosted sentinels. Because both medications are orally bioavailable, the coformulation of FAV and MLP can be predicted. The developed study is aimed at developing new green and simple methods for the simultaneous determination of FAV and MLP and then at their application in the study of their dissolution behavior if coformulated together. A green micellar HPLC method was validated using an RP-C18 core-shell column (5 μm, 150 × 4.6 mm) and an isocratic mixed micellar mobile phase composed of 0.1 M SDS, 0.01 M Brij-35, and 0.02 M monobasic potassium phosphate mixture and adjusted to pH 3.1 at 1.0 mL min-1 flow rate. The analytes were detected at 230 nm. The run time was less than five minutes under the optimized chromatographic conditions. Four other multivariate chemometric model methods were developed and validated, namely, classical least square (CLS), principal component regression (PCR), partial least squares (PLS-1), and genetic algorithm-partial least squares (GA-PLS-1). The developed models succeeded in resolving the great similarity and overlapping in the FAV and MLP UV spectra unlike the traditional univariate methods. All methods were organic solvent-free, did not require extraction or derivatization steps, and were applied for the construction of the simultaneous dissolution profile for FAV tablets and MLP capsules. The methods revealed that the amount of the simultaneously released cited drugs increases up until reaching a plateau after 15 and 20 min for FAV and MLP, respectively. The greenness was assessed on GAPI and found to be in harmony with green analytical chemistry concepts. | ||
| 650 | 4 | |a Amides | |
| 650 | 4 | |a Antiviral Agents | |
| 650 | 4 | |a Chromatography, High Pressure Liquid | |
| 650 | 4 | |a COVID-19 | |
| 650 | 4 | |a Cytidine | |
| 650 | 4 | |a Humans | |
| 650 | 4 | |a Hydroxylamines | |
| 650 | 4 | |a Micelles | |
| 650 | 4 | |a Pandemics | |
| 650 | 4 | |a Pyrazines | |
| 650 | 4 | |a Reproducibility of Results | |
| 650 | 4 | |a SARS-CoV-2 | |
| 650 | 4 | |a Spectrophotometry, Ultraviolet | |
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