NCI Drug Dictionary

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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.

An orally available inhibitor of spleen tyrosine kinase (Syk), with potential antineoplastic activity. Upon oral administration of entospletinib, this agent may inhibit the activity of Syk, which inhibits B-cell receptor (BCR) signaling and leads to an inhibition of tumor cell activation, migration, adhesion and proliferation. Syk, a non-receptor cytoplasmic, BCR-associated tyrosine kinase, is expressed in hematopoietic tissues and is often overexpressed in hematopoeitic malignancies. Check for active clinical trials using this agent.
spleen tyrosine kinase inhibitor GS-9973
SYK inhibitor GS-9973
Code name:GS-9973
Chemical structure:6-(1H-indazol-6-yl)-N-(4-(morpholin-4-yl)phenyl)imidazo(1,2-a)pyrazin-8-amine