{"title":"A nontoxic ionic liquid composition for the delivery of biological macromolecular anions across the skin barrier.","authors":"Neeraj Kumar, Balraj Saini, Rajwinder Kaur","doi":"10.4155/ppa-2021-0012","DOIUrl":null,"url":null,"abstract":"<p><p>The development of biocompatible ionic liquids is needed in order to explore their vastly underutilized pharmaceutical potential. US10912834 patent discloses ionic liquids comprising macromolecular biological anions and alkylated cations, which provides enhanced dermal delivery and cell internalization of the large biological anions. The studies of <i>ex vivo</i> permeation through excised pig skin indicated significantly higher skin penetration of percent dose and enhanced drug internalization was achieved using these ionic liquids. Although, the patent advances an infant field of biological macromolecule-based ionic liquids, the evaluation of these claimed ionic liquids relies only on the <i>in vivo</i> cytotoxicity data and <i>ex vivo</i> skin permeation behavior. Exhaustive studies, including dermatokinetic evaluation and long-term animal toxicity experiments, should be performed in order to unravel the potential of the aforementioned ionic liquids.</p>","PeriodicalId":20011,"journal":{"name":"Pharmaceutical patent analyst","volume":null,"pages":null},"PeriodicalIF":1.8000,"publicationDate":"2021-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Pharmaceutical patent analyst","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4155/ppa-2021-0012","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2021/8/9 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"PHARMACOLOGY & PHARMACY","Score":null,"Total":0}
引用次数: 1
Abstract
The development of biocompatible ionic liquids is needed in order to explore their vastly underutilized pharmaceutical potential. US10912834 patent discloses ionic liquids comprising macromolecular biological anions and alkylated cations, which provides enhanced dermal delivery and cell internalization of the large biological anions. The studies of ex vivo permeation through excised pig skin indicated significantly higher skin penetration of percent dose and enhanced drug internalization was achieved using these ionic liquids. Although, the patent advances an infant field of biological macromolecule-based ionic liquids, the evaluation of these claimed ionic liquids relies only on the in vivo cytotoxicity data and ex vivo skin permeation behavior. Exhaustive studies, including dermatokinetic evaluation and long-term animal toxicity experiments, should be performed in order to unravel the potential of the aforementioned ionic liquids.
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