SSR 69071 is a high affinity, potent inhibitor of Neutrophil Elastase (human leukocyte elastase, HLE) (IC50 = 3.9 nM). SSR 69071 displays species-selectivity (Ki values are 0.017, 1.70, 3.01, 58 and > 100 nM for human, mouse, rat, rabbit and porcine elastase respectively).
