PROBLEM TO BE SOLVED: To provide a combination therapy by means of combinations of compounds comprising HIV integrase inhibitors and other therapeutic agents.SOLUTION: A pharmaceutical composition comprises a compound of formula (I) in the figure or a pharmaceutically acceptable salt thereof, and lamivudine or a pharmaceutically acceptable salt thereof.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】HIVインテグラーゼ阻害剤および他の治療薬を含んでなる化合物の組み合わせによる併用療法の提供。【解決手段】式(I)の化合物:またはその薬学上許容される塩と、ラミブジンまたはその薬学上許容される塩を含む医薬組成物。【選択図】なし