The present invention provides for amorphous Letermovir and orally administrable solid pharmaceutical formulations thereof (immediate release formulation). Said amorphous Letermovir is suitable for immediate release formulations when isolated out of an organic solution by either roller-drying said organic solution in a volatile organic solvent, in particular acetone, at a temperature of 30°C to 60°C, and subsequently drying the amorphous Letermovir obtained, or isolating said amorphous Letermovir by precipitation from water miscible solvents selected from acetone or acetonitrile into excess water as anti-solvent, and subsequently filtrating or centrifuging the amorphous Letermovir obtained. The immediate release formulations of amorphous Letermovir are intended for use in methods of prophylaxis or methods of treatment of diseases associated with the group of Herpesviridae, preferably associated with cytomegalovirus (CMV), even more preferably associated with human cytomegalovirus (HCMV).
本发明提供了非晶态Letermovir及其口服固体制剂(即刻释放制剂)。所述非晶态Letermovir适用于即刻释放制剂,当通过在挥发性有机溶剂(特别是
丙酮)中滚筒干燥所述有机溶液,温度在30°C至60°C下,然后干燥获得的非晶态Letermovir,或者通过将所述非晶态Letermovir从
水亲和性溶剂(选择自
丙酮或
乙腈)中沉淀到过量
水中作为抗溶剂,然后过滤或离心获得的非晶态Letermovir进行分离。非晶态Letermovir的即刻释放制剂用于预防或治疗与疱疹病毒科相关的疾病的方法,优选与巨细胞病毒(CMV)相关,更优选与人类巨细胞病毒(HCMV)相关。