Response to Ustekinumab for Anti-tnf Induced Psoriasiform Skin Lesions

Patients will receive standard dosing of ustekinumab with a single intravenous infusion of about 6mg/kg ustekinumab at week 0, followed by ustekinumab 90mg subcutaneously every 8 weeks.

Patients will receive standard dosing of vedolizumab 300mg at weeks 0, 2, 6, and 14. Patients with Crohn's disease could receive an extra infusion at week 10.