WASHINGTON, May 4, 2023 /PRNewswire/ — Vanda Pharmaceuticals Inc. (Vanda) (Nasdaq: VNDA) today announced participation at Digestive Disease Week (DDW) 2023, to be held in Chicago, IL and online from May 6-9, 2023. The following will be presented: May 7, 2023 Presentation Title: “THE ROLE…