A Phase 3, Multi-Site, Open-Label Study Of The Long Term Safety And Tolerability Of 2 Oral Doses Of CP-690,550 In Subjects With Moderate To Severe Chronic Plaque Psoriasis

The main objective of this study is to evaluate the long-term safety of CP-690,550 in patients being treated for moderate to severe chronic plaque psoriasis. This is an open label extension study available to patients who participated in one of the qualifying studies with CP-690,550 providing entry criteria is met.