Efforts to develop treatments through various studies such as combination therapy and receptor targets. Interleukin (IL) inhibitors used in autoimmune diseases such as psoriasis are evolving as several companies continue to develop them. With the emergence of more effective treatments, psoriasis can expect "PASI 100," which means complete improvement.

Interleukin inhibitors are classified according to the mechanism. Stelara, which appeared first, targets IL-12 and IL-23 simultaneously. Cosentyx and Taltz are mechanisms that inhibit IL-17. Recently, drugs that are attracting attention are Tremfya and Skyrizi, which are exclusively targeting IL-23. It is known to have the most powerful effect. As IL-23 pathw