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J Rheumatol. 2000 Mar;27(3):714-8.

Clinical efficacy of mesalamine in the treatment of the spondyloarthropathies.

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1
Centre for Inflammatory and Arthritic Disease Studies, Winnipeg, Manitoba, Canada.

Abstract

OBJECTIVE:

Sulfasalazine (SSZ) has been found to have beneficial effects in the treatment of patients with spondyloarthropathy (SpA) with active disease. The effectiveness of SSZ is limited by both idiosyncratic and dose related side effects when treating SpA. Mesalamine is a drug used to treat inflammatory bowel disease. Case reports have suggested potential efficacy in SpA. We investigated the efficacy and safety of the Pentasa formulation of mesalamine in treating SpA.

METHODS:

Thirty patients with SpA as defined by the European Spondylarthropathy Study Group were recruited from a rheumatology specialty clinic. All subjects began 16 week open label therapy with mesalamine 1500 mg/day. Dose escalation for lack of efficacy was permitted after 8 weeks of therapy. Clinical, physical, and laboratory data were collected at baseline, at 8 weeks, and at the conclusion of the study at 16 weeks.

RESULTS:

Twenty-nine of the 30 patients completed the study. There was clinically and statistically significant improvement in all clinical measures (morning stiffness, night awakenings, quality of sleep, severity of stiffness, severity of pain, Dougados functional index, patient and physician global indices). Joint counts and enthesitis counts improved, but measures of axial flexibility did not. Erythrocyte sedimentation rate and C-reactive protein also improved over the duration of the study.

CONCLUSION:

In this population of patients with SpA, mesalamine was well tolerated in the dose range 1500 to 4000 mg/day. Improvements in clinical, physical, and laboratory measures indicate the efficacy of mesalamine in treating SpA.

PMID:
10743814
[Indexed for MEDLINE]

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