Abstract:
:We studied the role of chemotherapy in cancer cachexia, which is well known to lower QOL and responsiveness to chemotherapy. In BALB/c mice we used two clones derived from the murine colon 26 adenocarcinoma cell line; clone 5, a non-cachexigenic tumor and clone 20, a cachexigenic tumor, in which IL-6 mRNA was selectively detected. While maximum tolerated dose (MTD) of CPM and CPT-11 showed significantly smaller tumor weight and higher survival than 1/2 MTD in both drug groups with clone 5, the results were reversed with clone 20. The tumor weights with MTD of CPM or CPT-11 in combination with anti-IL-6 antibody treatment, which decreases serum IL-6 level and improves cachexia status, were significantly smaller than those in the MTD treatment-alone group with clone 20, but not with clone 5. From these results, we suggest that lower dose chemotherapy or cachexia-controlled chemotherapy, such as some chemotherapeutic agents with neutralizing cachexia-related cytokine effects, elicit anti-tumor effects in cachectic individuals that are superior to conventional MTD chemotherapy.
journal_name
Oncol Repjournal_title
Oncology reportsauthors
Takahashi Y,Yasumoto K,Mai Mkeywords:
subject
Has Abstractpub_date
2005-07-01 00:00:00pages
135-40issue
1eissn
1021-335Xissn
1791-2431journal_volume
14pub_type
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