<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: Izencitinib Induction Treatment In Patients With Moderately-To-Severely Active Ulcerative Colitis: A Phase 2B Randomized, Double-Blind, Placebo-Controlled Study[/INST] Yes</s>