Res Commun Mol Pathol Pharmacol
July 2007
The antirheumatic effect of pirfenidone was compared with a positive control drug, oxyphenbutazone which is used in patients suffering from rheumatoid arthritis, in a double blind clinical trial in humans. The data collected in this pilot project revealed that pirfenidone was more effective (p < 0.025) than oxyphenbutazone in providing relief from arthritic pain.
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