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Research communications in molecular pathology and pharmacology

Antirheumatic effect of pirfenidone in a double blind clinical pilot trial in humans.


PMID 17564304

Abstract

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. In addition, a greater number (p < 0.025) of patients reported favorable response to oral pirfenidone than oral oxyphenbutazone. However, there were no significant differences in the number of patients who dropped out from the trial and the number of patients who tolerated the drugs for 21 days of the trial between the pirfenidone and oxyphenbutazone groups. It was concluded from this pilot study that pirfenidone potentially offers a novel therapeutic modality for the management of rheumatoid arthritis with little or no adverse effects unlike steroidal and non-steroidal anti-inflammatory drugs which are frequently used for this chronic debilitating disease.

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SML0540 Oxyphenbutazone, ≥98% (HPLC)
C19H20N2O3