Trk-IN-4 (PF-6683324 isomer) is a potent pan-Trk inhibitor in cell-based assays with IC50s of 1.9 nM, 2.6 nM and 1.1 nM for TrkA, TrkB and TrkC, respectively. Anti-hyperalgesic effect.
Trk-IN-3 is a potent pan-Trk inhibitor in cell-based assays with IC50s of 8.4 nM, 6.2 nM and 2.2 nM for TrkA, TrkB and TrkC, respectively. Anti-hyperalgesic effect.