OP-3633 is an effective and selective steroidal glucocorticoid receptor (GR) antagonist (IC50: 29 nM). OP-3633 shows low progesterone receptor (PR) agonism and androgen receptor (AR) antagonism. It also has an inhibition of GR transcriptional activity.
TPC-144 is a potent and selective LSD1 inhibitor with a reversible inhibition mechanism. TPC-144 has antitumor activity in several human AML and SCLC cell lines and xenograft models.