<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: Treatment Discontinuation Due To Lack Of Efficacy During Maintenance Phase Of Infliximab Or Vedolizumab Treatment In Patients With Ulcerative Colitis:A Comparative Analysis Of Randomized Controlled Trials[/INST] Yes</s>