What is the drug Sotyktu used for?

Sotyktu (deucravacitinib) is FDA approved to treat moderate-to-severe plaque psoriasis in adults. It's a type of Janus kinase (JAK) inhibitor called a tyrosine kinase 2 (TYK2) inhibitor. Sotyktu blocks the protein TYK2 in your body. This is thought to help lower inflammation that leads to psoriasis symptoms.