June 5, 2018 / 1:18 PM / 2 months ago

UPDATE 1-AbbVie's rheumatoid arthritis drug succeeds in late-stage study

(Adds details on study, background)

June 5 (Reuters) - Abbvie Inc said on Tuesday its experimental drug met the main goal of halting progression of moderate-to-severe rheumatoid arthritis in a late-stage trial.

The drug, upadacitinib, was tested as a monotherapy in patients who have not been treated with chemotherapy agent methotrexate.

Upadacitinib, which belongs to a class of drugs known as JAK inhibitors, also helped improve symptoms of the disease such as swollen joint counts, the company said, adding it plans to submit a U.S. marketing application in the second half of 2018.

AbbVie, whose drug Humira is the market-leading treatment for rheumatoid arthritis, is among drugmakers developing JAK inhibitors, which work by blocking inflammation-causing enzymes known as Janus kinases.

Last week, the Food and Drug Administration approved lower doses of another JAK inhibitor developer by Eli Lilly and Incyte Corp, but gave it a label that analysts said could restrict its potential for use in a larger population. (Reporting by Manas Mishra in Bengaluru; Editing by Arun Koyyur and Sriraj Kalluvila)

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