2789 Ph3 Apremilast for Behcet’s oral ulcers: significantly lower number of OU (P≤0.0015) &reduction in OU pain (P≤0.0035) vs PBO at wks 1-12. APR efficacy sustained at wk28: 62% pts achieved complete response of OU &70% relative reduction in OU pain from BL. #acr18 @rheumnow