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PET Scans Reveal Vascular Inflammation

January 7, 2021

Positron emission tomography (PET) provided objective evidence of response to treatment with tocilizumab (Actemra) in giant cell arteritis, according to a study by researchers from the National Institutes of Health.

In a cohort of 25 patients with active vasculitis, vascular inflammation was decreased over a median time of 1.1 years during treatment with tocilizumab using 18F-fluorodeoxyglucose (FDG) PET, reported Kaitlin A. Quinn, MD, of the National Institute of Arthritis and Musculoskeletal and Skin Diseases in Bethesda, Maryland, and colleagues.

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