nominally significantP < 0.05
In patients with moderate or severe DED ( n = 53), PL9643 treatment demonstrated either nominally significant ( P < 0.05) or trending ( P < 0.1) improvement over placebo in mean change from baseline at week 12/day 85 in several sign endpoints, including fluorescein staining in inferior, superior, corneal sum, and total sum regions; Lissamine Green staining in temporal, nasal, conjunctival sum, and total sum regions; and tear film breakup time.