New Pill Might Relieve Severe Rheumatoid Arthritis

Studies suggest drug works but may have serious side effects

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Tofacitinib would be manufactured by Pfizer Inc., which funded both studies.

Rheumatoid arthritis affects about 1.3 million Americans, according to the Arthritis Foundation.

More information

The U.S. National Institute of Arthritis and Musculoskeletal and Skin Diseases has more about rheumatoid arthritis.

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