BMS-363131 is a selective inhibitor for tryptase, with an IC50 <1.7 nM. BMS-363131 is hydrolytic stable at pH=7 and pH=9. BMS-363131 attenuates the astham in a guinea pig model[1].
References
[1] Slusarchyk WA, et al., Synthesis of potent and highly selective inhibitors of human tryptase. Bioorg Med Chem Lett. 2002 Nov 4;12(21):3235-8. DOI:10.1016/s0960-894x(02)00689-3