MLT-231, a potent and highly selective allosteric MALT1 inhibitor, has an IC50 of 9 nM and specifically inhibits endogenous BCL10 cleavage with an IC50 of 160 nM. It exhibits antitumor activity in an ABC-DLBCL type xenograft mouse model[1].
CP 100356 is a specific inhibitor of MDR1 (P-Gp), the protypical ABC transporter. The compound has low uM to nM potency for inhibiting several MDR-1 substrates (calcein-AM, digoxin) in transfected MDCKII cells.