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Review article: increasing the dose of oral mesalazine therapy for active ulcerative colitis does not improve

A V Safdi¹, R D Cohen

¹Greater Cincinnati Gastroenterology Associates, Cincinnati, OH 45219, USA. gialan@aol.com

Alimentary Pharmacology & Therapeutics

|October 20, 2007

Abstract

Background:

Oral mesalazine (mesalamine, 5-aminosalicylic acid) formulations are effective in the treatment of active ulcerative colitis. All formulations contain the same active drug but differ with regard to mechanisms to deliver the drug to the colon. Patients who fail to respond to initial therapy are often administered higher doses of the same formulation.

Aim:

To review published trials of oral mesalazine formulations in treating active ulcerative colitis and to examine the effect of dose escalation on remission rates.

Results:

Increasing the doses of oral mesalazine formulations does not result in higher remission rates, although increasing the doses of some formulations has been effective in increasing symptomatic improvement and/or response to treatment.

Conclusions:

Because oral mesalazine formulations do not demonstrate a significant dose response with regard to induction of remission of active ulcerative colitis, simple dose escalation may not be the most effective course for patients who fail to respond to initial mesalazine treatment.

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