Lissamine Green staining
PL9643, SE
PL9643 treatment demonstrated an improvement over placebo in mean change from baseline in nasal staining at week 12 (change from pre-CAE to post-CAE) with an LS mean (SE) change of −0.36 (0.124) versus +0.09 (0.121), respectively, an LS mean treatment difference of −0.45 (0.173; nominal 