NCI Drug Dictionary
The search textbox has an autosuggest feature. When you enter three or more characters, a list of up to 10 suggestions will popup under the textbox. Use the arrow keys to move through the suggestions. To select a suggestion, hit the enter key. Using the escape key closes the listbox and puts you back at the textbox. The radio buttons allow you to toggle between having all search items start with or contain the text you entered in the search box.
factor VIIa inhibitor PCI-27483
A reversible small-molecule inhibitor of activated factor VII (factor VIIa) with potential antineoplastic and antithrombotic activities. FVII, a serine protease, becomes activated (FVIIa) upon binding with TF forming the FVIIa/TF complex, which induces intracellular signaling pathways by activating protease activated receptor 2 (PAR-2). Upon subcutaneous administration, factor VIIa inhibitor PCI-27483 selectively inhibits factor FVIIa in the VIIa/TF complex, which may prevent PAR-2 activation and PAR2-mediated signal transduction pathways, thereby inhibiting tumor cell proliferation, angiogenesis, and metastasis of TF-overexpressing tumor cells. In addition, this agent inhibits both the extrinsic and intrinsic coagulation cascades, preventing blood clot formation. TF, a blood protein overexpressed on the cell surface of a variety of tumor cell types, may correlate with poor prognosis; PAR-2 (also known as thrombin receptor-like 1) is a G protein-coupled receptor (GPCR) and a protease-activated receptor. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)