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綠葉製藥(02186.HK):抗精神病藥瑞欣妥®獲國家藥監局批准上市
格隆匯 01-14 12:15

格隆匯1月14日丨綠葉製藥(02186.HK)宣佈,注射用利培酮微球(II)(LY03004,瑞欣妥®)已獲中國國家藥品監督管理局批准上市。這是集團第一個由長效緩釋平台開發的獲批上市創新制劑。瑞欣妥®是用於治療精神分裂症的每兩週注射一次的緩釋微球肌肉注射製劑。

瑞欣妥®是一種長效注射劑,每兩週肌肉注射一次。相較於口服抗精神病藥物,長效注射劑無需每天用藥,故患者更易於接受以及降低病恥感,也可減少患者漏服的情況和過量使用口服藥物的風險;長效注射劑在體內的血藥濃度平穩,即便未能按時給藥,其血藥濃度下降也很緩慢,不至病情立即復發。瑞欣妥®可明顯改善口服抗精神病藥物在精神分裂症患者中普遍存在的用藥依從性,並將簡化精神分裂症的治療療程。

與另一種市售長效注射劑藥物相比,瑞欣妥®有多項優勢,例如患者首次注射瑞欣妥®後無需再服用口服制劑,且比該市售藥物能更快達到穩態血藥濃度,對於急性期發作,依從性和配合度不好的患者,能快速控制症狀。瑞欣妥®停藥後藥物濃度在體內滯留時間明顯短於市售藥物,有利於醫生根據病情隨時調整藥物劑量。瑞欣妥®使用過程中可保持臨牀有效血藥濃度的穩定,提高臨牀治療過程的便利性。

因具有明顯的治療優勢,瑞欣妥®於2019年12月被國家藥品監督管理局藥品審評中心納入優先審評程式,使中國精神分裂症患者能夠及早獲益於這一新的治療方案。

除中國市場外,瑞欣妥®還在多個海外市場進行開發。目前其在美國處於上市申報階段,在歐洲完成I期臨牀試驗,同時未來計劃在多個新興市場開發並上市。其專利在中國(包括大陸和香港)、美國、歐洲、日本、韓國、俄羅斯、加拿大、澳大利亞均獲得授權,專利期至2032年。

精神分裂症是一種嚴重的精神類疾病,具有中斷思維、影響語言、觀念和自我認知的特徵。據世界衞生組織統計,全球有超過2100萬人受到精神分裂症的困擾,並且每兩名精神分裂症患者中有一人未接受治療。精神分裂症是中國重點防治的精神疾病,據估算中國至少有1000萬精神分裂症患者。精神分裂症的治療率低、依從性差、複發率高、住院率高與致殘率高,給患者家庭和社會帶來了沉重的負擔。

集團同時已上市多箇中樞神經系統治療領域產品,包括富馬酸喹硫平片(思瑞康)及富馬酸喹硫平緩釋片、利斯的明透皮貼劑、芬太尼透皮貼劑、丁丙諾啡透皮貼劑,覆蓋包括中國、美國、歐洲及日本在內大型醫藥市場以及快速發展的新興市場等全球80個以上國家及地區。

在中國,集團神經系統藥物事業部已組建了一支110人的市場行銷團隊及五個行銷大區,業務覆蓋全國各區域。

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