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monoclonal antibody CAL A humanized monoclonal antibody directed against parathyroid hormone-related protein (PTH-rP). As a poly-hormone with diverse biological roles, PTH-rP is expressed by normal tissues, acting in local tissue environments in a variety of ways; it is commonly overexpressed by breast, prostate, and other cancers, acting systemically by promoting bone resorption, inhibiting calcium excretion from the kidney, inducing hypercalcemia, and possibly playing a role in the formation of bony metastases. By blocking the effects of PTH-rP on calcium metabolism, monoclonal antibody CAL may inhibit cancer-related hypercalcemia. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
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Synonym: | ![](https://webarchive.library.unt.edu/eot2008/20090115052256im_/http://www.cancer.gov/images/spacer.gif) | CAL | | ![](https://webarchive.library.unt.edu/eot2008/20090115052256im_/http://www.cancer.gov/images/spacer.gif) | Abbreviation: | ![](https://webarchive.library.unt.edu/eot2008/20090115052256im_/http://www.cancer.gov/images/spacer.gif) | MOAB CAL | | ![](https://webarchive.library.unt.edu/eot2008/20090115052256im_/http://www.cancer.gov/images/spacer.gif) |
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