Background:

MLN9708, also known as ixazomib, is a second-generation small-molecule proteasome inhibitor. It is a citrate ester that immediately hydrolyzes to its biologically active form MLN2238 upon exposure to aqueous solutions or plasma. MLN9708 was selected from a large pool of boron-containing proteasome inhibitors based on a physicochemical profile that was distinct from bortezomib. MLN9708 has a shorter 20S proteasome dissociation half-life than bortezomib, which is demonstrated to play an important role in its improved tissue distribution.

Reference

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