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Antitumorigenic Evaluation of Thalidomide Alone and in Combination with Cisplatin in DBA2/J Mice

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Author(s): Ruddy Jean Marie B. | Majumdar Shyamal K.

Journal: Journal of Biomedicine and Biotechnology
ISSN 1110-7243

Volume: 2;
Issue: 1;
Start page: 7;
Date: 2002;
Original page

ABSTRACT
Thalidomide′s reported ability to inhibit angiogenesis has led to clinical trials determining its effectiveness in combating various types of cancer. This study explored thalidomide′s antitumorigenic potential when administered alone and in combination with cisplatin to DBA2/J mice whose tumors were induced by murine erythroleukemic cells. Thalidomide treatment alone produced no significant inhibitory effect on tumor development and metastasis. Mice that received both drugs had significantly lower incidences of both primary and secondary tumors as compared to the untreated control group. Cisplatin, administered alone or in combination with thalidomide, led to a significant delay in tumor formation and a longer life span than was recorded in untreated mice. However, the combination treatment results were not significantly different from those of cisplatin treatment used as a single agent. In in vitro cell multiplication studies using murine erythroleukemic and murine endothelial cells, thalidomide failed to inhibit cell proliferation. However, cisplatin treatment with or without thalidomide, significantly inhibited the multiplication of both cell lines in a dose dependent manner. Thalidomide does not appear to be a beneficial adjuvant to cisplatin treatment.
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