Dipentum (olsalazine sodium)
Dipentum (olsalazine sodium), a product by Pharmacia, represents the first oral delivery of sulfa-free 5-aminosalicylic acid therapy available for remission maintenance in sulfasalazineintolerant patients with ulcerative colitis.  It provides a safe and well-tolerated treatment regimen that has been shown to be as effective as sulfasalazine in maintaining remission of ulcerative colitis.