Id http://purl.obolibrary.org/obo/NCIT_C113795
http://purl.obolibrary.org/obo/NCIT_C113795
Preferred Name

Immediate-release Onapristone

Definitions
An immediate-release (IR) formulation of onapristone, an orally bioavailable progesterone receptor (PR) antagonist, with antineoplastic activity. Onapristone binds to the PR and inhibits both PR activation and the associated expression of PR-responsive genes. This may inhibit PR-mediated proliferative effects in cancer cells overexpressing PR. PR is expressed on certain cancer cell types and plays a key role in proliferation and survival.
Type http://www.w3.org/2002/07/owl#Class
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