[EN] PHARMACEUTICAL COMBINATION OF AN EP4 ANTAGONIST AND IMMUNE CHECKPOINT INHIBITORS FOR THE TREATMENT OF TUMOURS<br/>[FR] COMBINAISON PHARMACEUTIQUE D'UN ANTAGONISTE D'EP4 ET D'INHIBITEURS DE POINTS DE CONTRÔLE IMMUNITAIRES POUR LE TRAITEMENT DE TUMEURS
申请人:ROTTAPHARM BIOTECH SRL
公开号:WO2020208088A1
公开(公告)日:2020-10-15
The present invention provides a pharmaceutical combination comprising the EP4 antagonist of Formula (R)-4-(1-(6-(4-(trifluoromethyl)benzyl)-6-azaspiro[2.5]octane-5- carboxamido)cyclopropyl)-benzoic acid or a pharmaceutically acceptable salt thereof and at least one immune checkpoint inhibitor, preferably the sodium salt of (R)-4-(1- (6-(4-(trifluoromethyl)benzyl)-6-azaspiro[2.5]octane-5-carboxamido)cyclopropyl) benzoic acid. A polymorphic form A of sodium salt of (R)-4-(1-(6-(4-(trifluoromethyl) benzyl)-6-azaspiro[2.5]octane-5-carboxamido)cyclopropyl)benzoate characterized by a powder XRD spectrum with peaks at values of the angle 2θ ±0.2° of 4.3, 5.0, 5.8, 6.4, 7.1, 8.3, 8.7, 12.8, 15.3, 15.9 is also described. The combination and the polymorphic form A are described for use in the treatment of tumours.
本发明提供了一种药物组合,包括化学式为(R)-4-(1-(6-(4-(三氟甲基)苯基)-6-氮杂螺[2.5]辛烷-5-羧胺基)环丙基)-苯甲酸的EP4拮抗剂或其药用可接受的盐,以及至少一种免疫检查点抑制剂,最好是(R)-4-(1-(6-(4-(三氟甲基)苯基)-6-氮杂螺[2.5]辛烷-5-羧胺基)环丙基)苯甲酸的钠盐。还描述了一种(R)-4-(1-(6-(4-(三氟甲基)苯基)-6-氮杂螺[2.5]辛烷-5-羧胺基)环丙基)苯甲酸钠盐的多形态A,其特征是具有在角度2θ±0.2°处的峰值的粉末XRD谱,分别为4.3、5.0、5.8、6.4、7.1、8.3、8.7、12.8、15.3、15.9。该组合物和多形态A用于肿瘤治疗。