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Wednesday, June 27, 2012

Simple blood test may help physicians track progression of RA disease activity

Published on June 27, 2012 A simple blood test may help physicians track the progression of rheumatoid arthritis disease activity, say researchers at the University of Alabama at Birmingham. In a paper published online on June 26, 2012, in Arthritis Care and Research, the UAB-led international research team says that a blood test measuring 12 biomarkers for RA is a valid and potentially useful tool in managing the disease. "Previously, the disease activity of RA was assessed through clinical observation by a physician, noting the number of tender and swollen joints and assessing pain and functional abilities," said Jeffrey Curtis, M.D., associate professor in the division of clinical immunology and rheumatology and lead author of the study. "This blood test measures the underlying amount of RA activity within the joints using sophisticated biochemical means intended to reflect the underlying pathophysiology of the disease. A highly reproducible, easily standardized blood test that measures multiple biologic pathways to augment a physician's and patient's clinical assessment has not been previously available to physicians." Curtis says the test emphasizes the activity of underlying biological pathways rather than external signs and symptoms and should therefore provide information that is different from, and complementary to, clinical assessment. He suggests the test may also help assess treatment response in patients. The test could show in just a few weeks whether a particular therapy is effective, rather than within three to four months as in current practice.  

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