| 摘要 |
<p>[Problem] The purpose of the present invention is to provide a radiation sensitizing agent which can increase the radiation sensitivity of tumor cells in a radiation therapy while protecting normal cells. [Solution] The purpose can be achieved by a radiation sensitizing agent which contains ascorbic acid, a pharmaceutically acceptable salt of ascorbic acid, or a pharmaceutically acceptable solvate of ascorbic acid as an active ingredient. For example, the administration of the radiation sensitizing agent is started 1 to 2 hours inclusive before the initiation of the irradiation with radioactive ray, is halted during the irradiation with radioactive ray, and is resumed for 10 minutes to 2 hours inclusive after the completion of the irradiation with radioactive ray.</p> |
