Skin, Hair and Nails

The purpose of this study is to evaluate the long-term safety of Humira® in Adult Patients with Chronic Plaque Psoriasis (Ps).

The purpose of this study is to further evaluate the safety of infliximab and ustekinumab in patients with plaque psoriasis, and other all forms of psoriasis (such as plaque psoriasis and psoriatic arthritis occurring together). The registry study will track the behavior of the disease in response to other therapies, such as other biologic drugs.