The present invention relates to pharmaceutical compositions and more particularly to a pharmaceutical composition containing the compound {1S-[1α, 2α,3ß(1S*,2R*),5ß]}-3-(7-{[2-(3,4-difluorophenyl)cyclopropyl]amino}-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol.Linvention porte sur des compositions pharmaceutiques, et plus particulièrement sur une composition pharmaceutique contenant le composé {1S-[1α, 2α, 3ß (1S*,2R*),5ß]}-3-(7-{[2-(3,4-difluorophényl)cyclopropyl]amino}-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyéthoxy)cyclopentane-1,2-diol.