This study is designed to evaluate the safety and efficacy of long-term exposure to KHK4827 in subjects with plaque psoriasis (psoriasis vulgaris, psoriatic erythroderma) who have completed Study 4827-003 (Study 003)and in subjects with pustular psoriasis (generalized) or psoriatic erythroderma who have completed the Study 4827-004 (Study 004).

Read more: http://www.clinicaltrials.gov/ct2/show/NCT02052609?cond=%22Arthritis%22&lup_s=01/29/2014&lup_d=30