Jyoti S. Patel, Nulgumnalli Manjunathaiah Raghavendra, B. Sajeev Kumar
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The optimized liposomes were fabricated as a transdermal patch by mercury substrate method and evaluated for %drug content, in vitro diffusion, in vivo biodistribution (PK and BA), and skin irritation studies in female Albino Wistar rats. The stability of the optimized transdermal patch was also assessed for 3 months.</p><h3>Results</h3><p>The CCD model was significant with <i>F</i>-value of 37.97, <i>P</i>-value of 0.0500 and <i>R</i><sup>2</sup> of 0.9644. The average vesicle size, PDI, and ZP of GEF-LIPs (F1–F13) were found to be between 112.8 to 373.7 nm, 0.186 to 0.510 and − 3.69 to − 82.2 mV, respectively. F3-GEF-LIP exhibited a mean vesicle size of 96.07 nm, ZP of − 46.06 mV, and a PDI of 0.423. F3-GEF-LIP demonstrated exceptional %EE (97.79) and sustained release effect (%CDR, 83.32) following a diffusion-controlled mechanism. TEM images confirmed liposomes of multivesicular type (MVV, < 100 nm). Importantly, optimized F3-GEF-LIP-TD showed no signs of edema in Wistar rats. The biodistribution of F3-GEF-LIP-TD was similar to pure GEF and was higher in the liver (<i>p</i> < 0.05). The BA of F3-GEF-LIP-TD was observed to be 74.05 ± 0.11% in comparison with oral GEF-LIP (65.25 ± 0.08%) and pure GEF (58.10 ± 0.17%).</p><h3>Conclusion</h3><p>TFH technique offers stable liposomes with high reproducibility. Our findings imply that GEF-LIP-TD provides enhanced BA and tissue distribution and can be considered as a substitution for orals or in combination for treating breast cancer. Lipoid S100 is a potential lipid for developing stable multivesicular nanoliposomes.</p><h3>Graphical abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":577,"journal":{"name":"Future Journal of Pharmaceutical Sciences","volume":"10 1","pages":""},"PeriodicalIF":3.4000,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://fjps.springeropen.com/counter/pdf/10.1186/s43094-024-00729-8","citationCount":"0","resultStr":"{\"title\":\"Development and optimization of multivesicular gefitinib liposomal transdermal system employing lipoid S100 for breast cancer: pharmacokinetics, bioavailability, and skin irritation studies in Wistar rats\",\"authors\":\"Jyoti S. Patel, Nulgumnalli Manjunathaiah Raghavendra, B. Sajeev Kumar\",\"doi\":\"10.1186/s43094-024-00729-8\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><h3>Background</h3><p>Conventional therapies in cancer treatment face challenges including drug resistance, lack of specificity, and severe adverse reactions. This study explores the potential of liposomal transdermal delivery systems as an alternative to current therapies with improved BA and PK. The objective of the study was to formulate gefitinib liposomes by thin film hydration technique (TFH) using lipoid S100. A central composite design (CCD) was used to develop and optimize GEF-LIP-TDDs and to analyze the optimum concentrations of the selected variables (phospholipid, cholesterol) in liposomal formation. The model fitting was performed using Design-Expert (Stat-Ease, Ver 13). The GEF liposomes were evaluated for %EE, mean particle size and PDI. The optimized liposomes were fabricated as a transdermal patch by mercury substrate method and evaluated for %drug content, in vitro diffusion, in vivo biodistribution (PK and BA), and skin irritation studies in female Albino Wistar rats. The stability of the optimized transdermal patch was also assessed for 3 months.</p><h3>Results</h3><p>The CCD model was significant with <i>F</i>-value of 37.97, <i>P</i>-value of 0.0500 and <i>R</i><sup>2</sup> of 0.9644. The average vesicle size, PDI, and ZP of GEF-LIPs (F1–F13) were found to be between 112.8 to 373.7 nm, 0.186 to 0.510 and − 3.69 to − 82.2 mV, respectively. F3-GEF-LIP exhibited a mean vesicle size of 96.07 nm, ZP of − 46.06 mV, and a PDI of 0.423. F3-GEF-LIP demonstrated exceptional %EE (97.79) and sustained release effect (%CDR, 83.32) following a diffusion-controlled mechanism. TEM images confirmed liposomes of multivesicular type (MVV, < 100 nm). Importantly, optimized F3-GEF-LIP-TD showed no signs of edema in Wistar rats. The biodistribution of F3-GEF-LIP-TD was similar to pure GEF and was higher in the liver (<i>p</i> < 0.05). The BA of F3-GEF-LIP-TD was observed to be 74.05 ± 0.11% in comparison with oral GEF-LIP (65.25 ± 0.08%) and pure GEF (58.10 ± 0.17%).</p><h3>Conclusion</h3><p>TFH technique offers stable liposomes with high reproducibility. Our findings imply that GEF-LIP-TD provides enhanced BA and tissue distribution and can be considered as a substitution for orals or in combination for treating breast cancer. 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Development and optimization of multivesicular gefitinib liposomal transdermal system employing lipoid S100 for breast cancer: pharmacokinetics, bioavailability, and skin irritation studies in Wistar rats
Background
Conventional therapies in cancer treatment face challenges including drug resistance, lack of specificity, and severe adverse reactions. This study explores the potential of liposomal transdermal delivery systems as an alternative to current therapies with improved BA and PK. The objective of the study was to formulate gefitinib liposomes by thin film hydration technique (TFH) using lipoid S100. A central composite design (CCD) was used to develop and optimize GEF-LIP-TDDs and to analyze the optimum concentrations of the selected variables (phospholipid, cholesterol) in liposomal formation. The model fitting was performed using Design-Expert (Stat-Ease, Ver 13). The GEF liposomes were evaluated for %EE, mean particle size and PDI. The optimized liposomes were fabricated as a transdermal patch by mercury substrate method and evaluated for %drug content, in vitro diffusion, in vivo biodistribution (PK and BA), and skin irritation studies in female Albino Wistar rats. The stability of the optimized transdermal patch was also assessed for 3 months.
Results
The CCD model was significant with F-value of 37.97, P-value of 0.0500 and R2 of 0.9644. The average vesicle size, PDI, and ZP of GEF-LIPs (F1–F13) were found to be between 112.8 to 373.7 nm, 0.186 to 0.510 and − 3.69 to − 82.2 mV, respectively. F3-GEF-LIP exhibited a mean vesicle size of 96.07 nm, ZP of − 46.06 mV, and a PDI of 0.423. F3-GEF-LIP demonstrated exceptional %EE (97.79) and sustained release effect (%CDR, 83.32) following a diffusion-controlled mechanism. TEM images confirmed liposomes of multivesicular type (MVV, < 100 nm). Importantly, optimized F3-GEF-LIP-TD showed no signs of edema in Wistar rats. The biodistribution of F3-GEF-LIP-TD was similar to pure GEF and was higher in the liver (p < 0.05). The BA of F3-GEF-LIP-TD was observed to be 74.05 ± 0.11% in comparison with oral GEF-LIP (65.25 ± 0.08%) and pure GEF (58.10 ± 0.17%).
Conclusion
TFH technique offers stable liposomes with high reproducibility. Our findings imply that GEF-LIP-TD provides enhanced BA and tissue distribution and can be considered as a substitution for orals or in combination for treating breast cancer. Lipoid S100 is a potential lipid for developing stable multivesicular nanoliposomes.
期刊介绍：
Future Journal of Pharmaceutical Sciences (FJPS) is the official journal of the Future University in Egypt. It is a peer-reviewed, open access journal which publishes original research articles, review articles and case studies on all aspects of pharmaceutical sciences and technologies, pharmacy practice and related clinical aspects, and pharmacy education. The journal publishes articles covering developments in drug absorption and metabolism, pharmacokinetics and dynamics, drug delivery systems, drug targeting and nano-technology. It also covers development of new systems, methods and techniques in pharmacy education and practice. The scope of the journal also extends to cover advancements in toxicology, cell and molecular biology, biomedical research, clinical and pharmaceutical microbiology, pharmaceutical biotechnology, medicinal chemistry, phytochemistry and nutraceuticals.
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