- Or is entering after participation (within 24 months of registry entry or, if longer, continuously treated at the same site) in an AbbVie Humira sponsored study, regardless of age or the number of joints with symptoms of JIA, and has received continuous (no more than 70 consecutive days off drug) HUMIRA® therapy and the physician can provide available source documentation of SAEs, AEs of Special Interest, and dosing information since initiation of therapy.