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凱普生物(300639.SZ):全資子公司獲得韓國、日本發明專利授權通知書
格隆匯 05-19 21:31

格隆匯5月19日丨凱普生物(300639.SZ)公佈,公司的全資子公司廣州凱普醫藥科技有限公司(“凱普醫藥”)、廣州凱普生物科技有限公司(“廣州凱普”)20191122日獲國家發明專利授權,專利名稱:一種氯喹凝膠及其製備方法和應用,授權號:ZL 201811474701.3詳見公司20191023日發佈的《關於全資子公司獲得授予發明專利權通知書的公吿》(公吿編號:2019-071)。

凱普醫藥及廣州凱普收到Korean Intellectual Property Office(韓國知識產權局)和Japan Patent Office(日本特許廳)發明專利授權通知書,具體情況如下:

發明屬於生物醫藥技術領域,涉及一種氯喹凝膠的製備及應用。該發明提供了一種氯喹納米微球的製備,含有水溶性納米微球載體、以及氯喹或氯喹衍生物,氯喹或氯喹衍生物與水溶性納米微球載體的質量比不超過13。本發明將水溶性納米微球載體與氯喹或氯喹衍生物聯合制備成納米微球,有效解決了氯喹的副作用和抗藥性問題;可延長藥物在治療部位的滯留時間,提高了藥物的生物利用度和治療效果,能有效治療外生殖器感染性疾病,顯著增加療效;不僅拓寬氯喹的用途,拓寬其應用方案,並且其製備方法簡便、易於合成,無毒副作用,安全性好,可進行新藥的產業化應用。

公司已運用該發明技術開發藥品“磷酸氯喹凝膠”,目前正在開展II效性及安全性評價的臨牀試驗,目前試驗進展順利“磷酸氯喹凝膠”適應症為皮膚外用治療HPV病毒感染引起的各種皮膚疣、外生殖器及肛周尖鋭濕疣,為國內外尚未批准的新適應症。通過皮膚外用給藥,減少全身藥物暴露量,提高藥品的有效性和安全性。本藥品自2014年開始研發,20183月獲國家藥品監督管理局頒發《藥物臨牀試驗批件》,開展I期臨牀試驗。2019124日,州凱普正式向CDE提交II期臨牀試驗方案。2020221日,公司收到CDE回覆同意本項目開展II期臨牀試驗

國外發明的取得有利於加強公司自主知識產權的國際保護進一步完善公司的知識產權體系,充分發揮公司的知識產權優勢,促進公司產品結構的不斷豐富,提升公司的核心競爭力,不會對公司目前的經營狀況產生重大的影響

公司將嚴格依照辦理登記手續通知書的內容辦理登記手續,在按期辦理登記手續後,韓國知識產權局日本特許廳將頒發發明專利證書,並予以登記和公專利權自公吿之日起生效有效期自國際申請日起二十年

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