![](https://webarchive.library.unt.edu/eot2008/20081103051702im_/http://www.cancer.gov/images/spacer.gif) |
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(is-PIN-eh-sib)
![](https://webarchive.library.unt.edu/eot2008/20081103051702im_/http://www.cancer.gov/images/spacer.gif)
| A substance being studied in the treatment of cancer. Ispinesib blocks a protein that tumor cells need to divide. It is a type of mitotic inhibitor. Also called SB-715992. |
Previous Definitions: | isolation, isomer, isosulfan blue, isotope, isotretinoin | Next Definitions: | isthmus, ITP, itraconazole, IU, IUD |
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![](https://webarchive.library.unt.edu/eot2008/20081103051702im_/http://www.cancer.gov/images/spacer.gif) |