Are you comfortable utilizing Stelara (ustekinumab) as biologic treatment of psoriasis for patients with a history of severe latex allergy?  

I don't have a lot of data to go on. On the one hand, I would be comfortable, as I doubt there would be any problem as long as the patient didn't touch the latex in the needle cover. But since we have many products without latex, perhaps it would be prudent to use those first. If other options were ...