NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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CSF-1R inhibitor BLZ945
An orally bioavailable inhibitor of colony stimulating factor 1 receptor (CSF-1R; CSF1R), with potential antineoplastic activity. CSF1R inhibitor BLZ945 selectively binds to CSF1R expressed on tumor-associated macrophages (TAMs), blocks the activity of CSF1R, and inhibits CSF1R-mediated signal transduction pathways. This inhibits the activity and proliferation of TAMs, and reprograms the immunosuppressive nature of existing TAMs. Altogether, this reduces TAM-mediated immune suppression in the tumor microenvironment, re-activates the immune system, and improves anti-tumor cell responses mediated by T-cells. CSF1R, also known as macrophage colony-stimulating factor receptor (M-CSFR) and CD115 (cluster of differentiation 115), is a cell-surface receptor for its ligand, colony stimulating factor 1 (CSF1); this receptor is overexpressed by TAMs in the tumor microenvironment, and plays a major role in both immune suppression and the induction of tumor cell proliferation. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:4-[2((1R,2R)-2-hydroxycyclohexylamino)-benzothiazol-6-yloxyl]-pyridine- 2-carboxylic acid methylamide
Code name:BLZ 945
BLZ945
BLZ-945
Chemical structure:4-((2-(((1R,2R)-2-hydroxycyclohexyl)amino)benzo[d]thiazol-6-yl)oxy)-N-methylpicolinamide