Abstract:
BACKGROUND:Recurrent tumor growth of colorectal carcinoma at the peritoneal site remains an unsolved problem. The aim of this study was to investigate whether the substance taxol (paclitaxel) can alter intraperitoneal tumor spread using different modes of drug application. METHODS:Intraperitoneal tumor growth was induced using a tumor cell transfer model (10(6) cells) in rats divided into 3 groups: (1) taxol was applied directly into the abdominal cavity, intraperitoneally or intravenously, immediately following intraperitoneal tumor cell transfer; (2) early postoperative intraperitoneal and intravenous chemotherapy was administered on days 5, 10 and 15 after surgical intervention using an intraperitoneal or intravenous port-a-cath; (3) control group. Thirty days after tumor cell transfer, rats were sacrificed, and tumor weight, number of nodes (at greater omentum and peritoneum) and ascites volume were determined. RESULTS:Taxol generated a significant inhibitory effect on peritoneal tumor growth. Direct intraoperative intraperitoneal application of taxol induced a more pronounced effect compared with early postoperative intraperitoneal application of the antineoplastic drug. Both application modes were superior to the intravenous route (no significant effect). CONCLUSION:Taxol appears to be a potential chemotherapeutic drug providing a significant effect in the therapeutic management of peritoneal carcinomatosis under experimental conditions. Combination of taxol with cytostatic agents and new drugs generating different effector mechanisms may help to further diminish or even to prevent intraperitoneal tumor growth.
journal_name
Chemotherapyjournal_title
Chemotherapyauthors
Hribaschek A,Meyer F,Schneider-Stock R,Pross M,Ridwelski K,Lippert Hdoi
10.1159/000110005subject
Has Abstractpub_date
2007-01-01 00:00:00pages
410-7issue
6eissn
0009-3157issn
1421-9794pii
000110005journal_volume
53pub_type
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