{"title":"在健康兔内耳模型中鼓膜内注射乳剂样分散体以增加辛那利嗪的用量。","authors":"Abhinab Goswami, Syed Nazrin Ruhina Rahman, Srikanth Ponneganti, Vijayakumar Gangipangi, Hariprasad Vavialala, Pullapanthula Radhakrishnanand, Sudhagar Selvaraju, Srinivasa Rao Mutheneni, Shreekant Bharti, Tamilvanan Shunmugaperumal","doi":"10.1080/17435889.2024.2373042","DOIUrl":null,"url":null,"abstract":"<p><p><b>Aim:</b> To investigate eutectic liquid-based emulsion-like dispersions for intratympanic injections to augment cinnarizine permeability across round window membrane in a healthy rabbit inner ear model.<b>Methods:</b> Two-tier systematic optimization was used to get the injection formula. The drug concentrations in perilymph and plasma were analyzed via. Ultra-performance liquid chromatography-tandem mass spectrometry method after 30-, 60-, 90- and 120-min post intratympanic injection time points in rabbits.<b>Results:</b> A shear-thinning behavior, immediate drug release (∼98.80%, 10 min) and higher cell viability (>97.86%, 24 h) were observed in dispersions. The cinnarizine level of 8168.57 ± 1236.79 ng/ml was observed in perilymph at 30 min post intratympanic injection in rabbits.<b>Conclusion:</b> The emulsion-like dispersions can augment drug permeability through round window membrane.</p>","PeriodicalId":74240,"journal":{"name":"Nanomedicine (London, England)","volume":" ","pages":"1717-1741"},"PeriodicalIF":3.9000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11418292/pdf/","citationCount":"0","resultStr":"{\"title\":\"Intratympanic injections of emulsion-like dispersions to augment cinnarizine amount in a healthy rabbit inner ear model.\",\"authors\":\"Abhinab Goswami, Syed Nazrin Ruhina Rahman, Srikanth Ponneganti, Vijayakumar Gangipangi, Hariprasad Vavialala, Pullapanthula Radhakrishnanand, Sudhagar Selvaraju, Srinivasa Rao Mutheneni, Shreekant Bharti, Tamilvanan Shunmugaperumal\",\"doi\":\"10.1080/17435889.2024.2373042\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p><b>Aim:</b> To investigate eutectic liquid-based emulsion-like dispersions for intratympanic injections to augment cinnarizine permeability across round window membrane in a healthy rabbit inner ear model.<b>Methods:</b> Two-tier systematic optimization was used to get the injection formula. The drug concentrations in perilymph and plasma were analyzed via. Ultra-performance liquid chromatography-tandem mass spectrometry method after 30-, 60-, 90- and 120-min post intratympanic injection time points in rabbits.<b>Results:</b> A shear-thinning behavior, immediate drug release (∼98.80%, 10 min) and higher cell viability (>97.86%, 24 h) were observed in dispersions. The cinnarizine level of 8168.57 ± 1236.79 ng/ml was observed in perilymph at 30 min post intratympanic injection in rabbits.<b>Conclusion:</b> The emulsion-like dispersions can augment drug permeability through round window membrane.</p>\",\"PeriodicalId\":74240,\"journal\":{\"name\":\"Nanomedicine (London, England)\",\"volume\":\" \",\"pages\":\"1717-1741\"},\"PeriodicalIF\":3.9000,\"publicationDate\":\"2024-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11418292/pdf/\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Nanomedicine (London, England)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/17435889.2024.2373042\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/7/23 0:00:00\",\"PubModel\":\"Epub\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Nanomedicine (London, England)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/17435889.2024.2373042","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/7/23 0:00:00","PubModel":"Epub","JCR":"","JCRName":"","Score":null,"Total":0}
Intratympanic injections of emulsion-like dispersions to augment cinnarizine amount in a healthy rabbit inner ear model.
Aim: To investigate eutectic liquid-based emulsion-like dispersions for intratympanic injections to augment cinnarizine permeability across round window membrane in a healthy rabbit inner ear model.Methods: Two-tier systematic optimization was used to get the injection formula. The drug concentrations in perilymph and plasma were analyzed via. Ultra-performance liquid chromatography-tandem mass spectrometry method after 30-, 60-, 90- and 120-min post intratympanic injection time points in rabbits.Results: A shear-thinning behavior, immediate drug release (∼98.80%, 10 min) and higher cell viability (>97.86%, 24 h) were observed in dispersions. The cinnarizine level of 8168.57 ± 1236.79 ng/ml was observed in perilymph at 30 min post intratympanic injection in rabbits.Conclusion: The emulsion-like dispersions can augment drug permeability through round window membrane.
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