| 7 | A novel fixed-combination timolol-netarsudillatanoprost ophthalmic solution for the treatment of glaucoma and ocular hypertension显示文摘Currently commercial fixed-concomitant three agents have multiple problems such as multiple dosing administration,poor efficacy and side effects.Once-daily fixed-combination timolol-netarsudil-latanoprost ophthalmic solution(FC-TNL)has the ability to treat glaucoma by lowering the intraocular pressure(IOP)with great efficacy and improving patient compliance.However,the commercialized netarsudil dimesylate precipitated when the p H of the solution was above 5.4,or when maleic acid,the salt of commercial timolol maleate,was mixed with netarsudil dimesylate.Consequently,the homologous salt engineering strategy was used to make netarsudil dimesylate soluble in p H 4.8–5.2 solution by synthesizing timolol mesylate.Next,the morphology of timolol mesylate was observed by scanning electron microscopy,differential scanning calorimetry,thermogravimetric analysis,and powder X-ray diffraction.The prepared FC-TNL showed good stability during refrigeration storage.Additionally,FC-TNL exerted no influence on the intraocular penetration of each active compounds in the pharmacokinetic study.Importantly,oncedaily FC-TNL exerted potent IOP-lowering effect and protective effect on retinal ganglion cells.The FC-TNL was stable,safe and effective,being a promising glaucoma therapeutic. | Tao Wang Yunran Zhang Meiling Chi Chen Zhao Linlin Cao Chutong Tian K.Kamei Ying Zheng Qikun Jiang | 2022 | Asian Journal of Pharmaceutical Sciences2022，17，6： | 0 |
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