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    Cancer treatment and cancer pain management constitute a dual approach aimed at improving the quality of life for patients. Their relationship must be complementary. Advances in cancer treatment have been remarkable, leading to increased survival rates in most types of cancer. However, there is a concern about the growing number of patients living with pain. Compared to the advancements in cancer treatment, progress in cancer pain management has been slow. As a basis for this observation, the available opioid analgesics and adjuvant pain-relieving medications have not increased significantly when compared to several years ago, and breakthrough treatments have yet to emerge. Even upon surveying guidelines both domestically and internationally, recommendations for cancer pain treatment are notably ambiguous. In recent years, however, opioid analgesics have proven to be a"double-edged sword". While they play a central role in cancer pain management, they also have cellular effects on tumor proliferation or suppression. This effect varies depending on the type of cancer, and it may be influenced differently by the content of cancer treatment, such as cytotoxic anticancer drugs, molecular targeted drugs, immune checkpoint inhibitors, and more. It may be time to recognize that cancer pain management has an impact on cancer treatment itself. Therefore, a crucial attitude is needed for closer collaboration between experts in cancer treatment and cancer pain management, fostering a co-creative approach in clinical and research settings. Professions such as pharmacists and nurses are essential for bridging this gap. To achieve the fusion beyond the integration of cancer treatment and cancer pain management, a transdisciplinary team, surpassing the boundaries of an interdisciplinary team, is necessary.


    Iwao Osaka. The Fusion of Cancer Treatment and Cancer Pain Management]. Gan to kagaku ryoho. Cancer & chemotherapy. 2024 Feb;51(2):109-114

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    PMID: 38449392

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