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fluoxymesterone A halogenated derivative of 17-alpha-methyltestosterone. Similar to testosterone, fluoxymesterone binds to and activates specific nuclear receptors, resulting in an increase in protein anabolism, a decrease in amino acid catabolism, and retention of nitrogen, potassium, and phosphorus. This agent also may competitively inhibit prolactin receptors and estrogen receptors, thereby inhibiting the growth of hormone-dependent tumor lines. Fluoxymesterone is approximately five times more potent than methyltestosterone. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
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Synonyms: | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | Androfluorene Androsterolo | | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | US brand names: | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | Android-F Halodrin Halotestin Ora-Testryl Ultandren | | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | Foreign brand names: | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | Oratestin Stenox Testoral | | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | Abbreviation: | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | FXM | | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | Chemical structure names: | ![](https://webarchive.library.unt.edu/eot2008/20090509154053im_/http://www.cancer.gov/images/spacer.gif) | - (11Beta,17beta)-9-fluoro-11,17-dihydroxy-17-methylandrost-4-en-3-one
- 11Beta,17beta-dihydroxy-9alpha-fluoro-17alpha-methyl-4-androsten-3-one
- 9Alpha-fluoro-11beta-hydroxy-17alpha-methyltestosterone
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