Sampatrilat is an effecive and orally active vasopeptidase inhibitor of ACE and neutralendopeptidase. Sampatrilat inhibits C-domain ACE (Ki=13.8 nM) 12.4-fold more potent than that for the N-domain (Ki=171.9 nM).
RB 101 suppresses enkephalinase and aminopeptidases; biologically cleaved at disulfide to produce inhibitors of both aminopeptidase N and neutralendopeptidase.