KEY POINTS
  • The drug, Rinvoq, belongs to a class of drugs known as JAK inhibitors that block inflammation-causing enzymes called Janus kinases.
  • It is set to compete with Pfizer's Xeljanz and Eli Lilly's Olumiant.
  • AbbVie has been aggressively fending off competition for Humira by signing deals with rival companies to prevent their cheap versions of the drug from entering the United States, its biggest market, until 2023.
A screen displays the share price for pharmaceutical maker AbbVie on the floor of the New York Stock Exchange.

The U.S. Food and Drug Administration on Friday approved AbbVie's new treatment for rheumatoid arthritis, a win for the drugmaker seeking to widen its portfolio as its blockbuster flagship therapy Humira faces competition.

The drug, Rinvoq, also called upadacitinib, belongs to a class of drugs known as JAK inhibitors that block inflammation-causing enzymes called Janus kinases.