The present invention relates to pharmaceutical compositions comprising fixed dose combinations of a DPP-4 inhibitor drug and pioglitazone, processes for the preparation thereof, and their use to treat certain diseases.本發明係關於包含DPP-4抑制劑藥物與吡格列酮(pioglitazone)之固定劑量組合的醫藥組合物、其製備方法及其治療某些疾病之用途。