- Subject has an active infection (except common cold), a recent serious infection, or a history of opportunistic or recurrent chronic infections - Subject has concurrent acute or chronic viral hepatitis B or C or human immunodeficiency virus (HIV) infection - Subject has known tuberculosis (TB) infection, is at high risk of acquiring TB infection, or has current or history of nontuberculous mycobacterium (NTMB) infection - Subject has any other condition, including medical or psychiatric, which, in the Investigator's judgment, would make the subject unsuitable for inclusion in the study - Presence of active suicidal ideation or positive suicide behavior - Presence of moderately severe major depression or severe major depression - Subject has any active malignancy or history of malignancy within 5 years prior to the Screening Visit EXCEPT treated and considered cured cutaneous squamous or basal cell carcinoma, or in situ cervical cancer