The value of C-reactive protein measurement in rheumatoid arthritis.
Since 1973, assessment of serum concentrations of C-reactive protein (CRP) has been advocated as a objective measure of disease activity in rheumatoid arthritis (RA). Our review of clinical experience with CRP measurement suggests it has at least two important roles to play in the management of RA. First, persistently elevated CRP levels have prognostic value. In general, such elevated levels are found in those patients who are at greater risk for continuing joint deterioration and therefore may need more aggressive treatment and supportive care. Second, in general, improvement in CRP levels is an objective indication that a drug has produced a beneficial effect and thus may be useful to the physician for monitoring effects of therapy. Since CRP may be elevated in a number of conditions besides RA, a diagnosis of RA must be made before using CRP as a prognostic factor.
Department of Immunology and Infectious Diseases, Central Research Division, Pfizer Inc, Groton, CT 06340.
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D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000627:therapeutic use; D018501:Antirheumatic Agents / Q000627:therapeutic use; D001172:Arthritis, Rheumatoid / Q000097:blood* / Q000175:diagnosis / Q000188:drug therapy / Q000503:physiopathology; D001799:Blood Sedimentation; D002097:C-Reactive Protein / Q000032:analysis* / Q000096:biosynthesis; D006801:Humans; D011379:Prognosis
D000894:Anti-Inflammatory Agents, Non-Steroidal; D018501:Antirheumatic Agents; D002097:C-Reactive Protein