Menthol augmented niosomes for enhanced intestinal absorption of lopinavir
Lopinavir is effective in treatment of HIV infection but experiences low oral bioavailability due to poor solubility, pre-systemic metabolism, and P-gp intestinal efflux. Co-processing with menthol enhanced its dissolution and intestinal permeability. Niosomes comprising Span 60, cholesterol, and poloxamer 407 were formulated in absence and presence of menthol. These were evaluated for size, morphology, entrapment efficiency (EE%), lopinavir release, and intestinal absorption. The later employed in situ rabbit intestinal absorption model. Niosomes were spherical with vesicle size of 140.2 ± 23 and 148.2 ± 27 nm for standard and menthol containing niosomes, respectively. The EE% values were 94.4% and 96.3% for both formulations, respectively. Niosomes underwent slow release during the time course of absorption with menthol hastening lopinavir release, but the release did not exceed 9%. Niosmoal encapsulation enhanced lopinavir intestinal absorption compared with drug solution. This was reflected from the fraction absorbed from duodenum, which was 24.15%, 73.09%, and 83.23% for solution, standard niosomes and menthol containing vesicles, respectively. These values were 34.32%, 80.8%, and 86.56% for the same formulations in case of jejuno-ileum. Lopinavir absorption from niosomes did not depend on release supporting intact vesicle absorption. The study introduced menthol containing niosomes as carriers for enhanced lopinavir intestinal absorption.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:27 |
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| Enthalten in: |
Pharmaceutical development and technology - 27(2022), 9 vom: 01. Nov., Seite 956-964 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Fayed, Noha D [VerfasserIn] |
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| Links: |
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| Themen: |
1490-04-6 |
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| Anmerkungen: |
Date Completed 01.12.2022 Date Revised 01.12.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1080/10837450.2022.2136195 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM347423256 |
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| 520 | |a Lopinavir is effective in treatment of HIV infection but experiences low oral bioavailability due to poor solubility, pre-systemic metabolism, and P-gp intestinal efflux. Co-processing with menthol enhanced its dissolution and intestinal permeability. Niosomes comprising Span 60, cholesterol, and poloxamer 407 were formulated in absence and presence of menthol. These were evaluated for size, morphology, entrapment efficiency (EE%), lopinavir release, and intestinal absorption. The later employed in situ rabbit intestinal absorption model. Niosomes were spherical with vesicle size of 140.2 ± 23 and 148.2 ± 27 nm for standard and menthol containing niosomes, respectively. The EE% values were 94.4% and 96.3% for both formulations, respectively. Niosomes underwent slow release during the time course of absorption with menthol hastening lopinavir release, but the release did not exceed 9%. Niosmoal encapsulation enhanced lopinavir intestinal absorption compared with drug solution. This was reflected from the fraction absorbed from duodenum, which was 24.15%, 73.09%, and 83.23% for solution, standard niosomes and menthol containing vesicles, respectively. These values were 34.32%, 80.8%, and 86.56% for the same formulations in case of jejuno-ileum. Lopinavir absorption from niosomes did not depend on release supporting intact vesicle absorption. The study introduced menthol containing niosomes as carriers for enhanced lopinavir intestinal absorption | ||
| 650 | 4 | |a Journal Article | |
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