Following a better-than-expected commercial liftoff for the overactive bladder medicine Gemtesa (vibegron) in its first market, Japan, the Dec. 23 FDA approval for the medicine opens a new commercial chapter for Urovant Sciences, a company that’s on its way to being a wholly owned subsidiary of Sumitomo Dainippon Pharma Co. Ltd.'s Sumitovant Biopharma Ltd.