FDA approves Roivant drug, the first novel topical plaque psoriasis med in 25 years May 24, 2022 Auto Bot autoimmune diseases, Basel, BioPharma, FDA, News, Pharma, psoriasis, Switzerland 0 Plaque psoriasis drug Vtama is now approved by the FDA, making it the first novel topical treatment for the chronic autoimmune disorder in a generation. Roivant Sciences subsidiary Dermavant Sciences acquired the drug from GlaxoSmithKline in 2018.