Abstract:
BACKGROUND/AIM:Intraperitoneal chemotherapy with taxanes provides high locoregional drug concentrations. Regarding their synergy with hyperthermia, results have been inconclusive. In this in vitro study, the thermal enhancement of the effect of paclitaxel and docetaxel on ovarian cancer cells under conditions mimicking those during hyperthermic intraperitoneal chemotherapy (HIPEC) is evaluated. MATERIALS AND METHODS:Cisplatin-resistant SKOV-3 and OVCAR-3 ovarian cancer cells were exposed for 2 h to 0.1, 1 and 3 μΜ of paclitaxel and docetaxel at 37°C (normothermia) and 41.5°C (hyperthermia). Cell proliferation and cell-cycle distribution were evaluated after 24 h, 3 days and 7 days. RESULTS:A concentration-dependent cytotoxic effect on cell proliferation was observed. Concurrent hyperthermia caused an increased arrest of cells in the G2/M phase. At 7 days, thermal enhancement of drug effect was shown only for treatment of OVCAR-3 cells with 1 μM paclitaxel. CONCLUSION:The concentration-dependent cytotoxic effect of paclitaxel and docetaxel supports their intraperitoneal use. Due to the lack of or only minimal thermal enhancement, normothermic may be as effective as hyperthermic intraoperative intraperitoneal chemotherapy with taxanes, avoiding, however, potential oncological and treatment-related adverse effects of concurrent hyperthermia.
journal_name
Anticancer Resjournal_title
Anticancer researchauthors
de Bree E,Katsougkri D,Polioudaki H,Tsangaridou E,Michelakis D,Zoras O,Theodoropoulos Pdoi
10.21873/anticanres.14700subject
Has Abstractpub_date
2020-12-01 00:00:00pages
6769-6780issue
12eissn
0250-7005issn
1791-7530pii
40/12/6769journal_volume
40pub_type
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