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clarithromycin A semisynthetic 14-membered ring macrolide antibiotic. Clarithromycin binds to the 50S ribosomal subunit and inhibits RNA-dependent protein synthesis in susceptible organisms. Clarithromycin has been shown to eradicate gastric MALT (mucosa-associated lymphoid tissue) lymphomas, presumably due to the eradication of tumorigenic Helicobacter pylori infection. This agent also acts as a biological response modulator, possibly inhibiting angiogenesis and tumor growth through alterations in growth factor expression. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
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Synonym: | ![](https://webarchive.library.unt.edu/eot2008/20090509164018im_/http://www.cancer.gov/images/spacer.gif) | Abbott-56268 | | ![](https://webarchive.library.unt.edu/eot2008/20090509164018im_/http://www.cancer.gov/images/spacer.gif) | US brand name: | ![](https://webarchive.library.unt.edu/eot2008/20090509164018im_/http://www.cancer.gov/images/spacer.gif) | Biaxin | | ![](https://webarchive.library.unt.edu/eot2008/20090509164018im_/http://www.cancer.gov/images/spacer.gif) | Abbreviation: | ![](https://webarchive.library.unt.edu/eot2008/20090509164018im_/http://www.cancer.gov/images/spacer.gif) | CLARITH | | ![](https://webarchive.library.unt.edu/eot2008/20090509164018im_/http://www.cancer.gov/images/spacer.gif) | Chemical structure name: | ![](https://webarchive.library.unt.edu/eot2008/20090509164018im_/http://www.cancer.gov/images/spacer.gif) | 6-O-Methylerythromycin | | ![](https://webarchive.library.unt.edu/eot2008/20090509164018im_/http://www.cancer.gov/images/spacer.gif) |
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