The application provides a complex tablet of
darunavir and cobicistat and a preparation method thereof, and the preparation method is as follows:
darunavir ethanolate, part of a first disintegrant and a first
lubricant are put into a dry granulator,
granulation and whole
granulation are carried out to obtain dry granules; hydroxypropyl
methyl cellulose and proper water are mixed to form a binder solution, the dry granules and the rest of the first disintegrant are mixed, the binder solution is sprayed, and wet
granulation is carried out,
drying and whole granulation are carried out to obtain wet granules; the wet granules, silica loaded with cobicistat, a second disintegrant and a filler are mixed until uniform, then sieved, and a second
lubricant is added and mixed again; tabletting is carried out, and then
film coating is carried out. The application combines
darunavir and cobicistat to prepare a
medicine, reduces
drug resistance caused by single
drug use, and provides more choices for
AIDS patients. In addition, the complex tablet can improve the content of darunavir.