Review: Oral 5-aminosalicylic acid for induction of remission in ulcerative colitis

Oral 5‐aminosalicylic acid (5‐ASA) preparations were intended to avoid the adverse effects of sulfasalazine (SASP) while maintaining its therapeutic benefits. It was previously found that 5‐ASA drugs in doses of at least 2 g/day were more effective than placebo but no more effective than SASP for inducing remission in ulcerative colitis (UC).

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