rwj-58643 hydrochloride

RWJ 58643 is a reversible beta-tryptase and trypsin inhibitor. Low-dose RWJ-58643 (100 microg) and budesonide (200 microg) significantly reduced symptoms, eosinophils and levels of IL-5 following NAC. However, higher doses of RWJ-58643 (300 and 600 microg) caused a late eosinophilia and preceding increases in IL-5 compared with placebo.

RWJ-58643 is a β-trypsin and trypsin inhibitor used in studies to inhibit allergic inflammatory conditions. The compound was effective in reducing nasal allergy symptoms, eosinophil infiltration, and interleukin-5 (IL-5) levels at a lower dose (100 mg). However, at higher doses (300 mg and 600 mg), an increase in eosinophils and elevated IL-5 levels were observed, showing a clear dose-dependent response.