{Reference Type}: Comparative Study {Title}: A randomized trial comparing 4.8 vs. 2.4 g/day of oral mesalazine for maintenance of remission in ulcerative colitis. {Author}: Pica R;Cassieri C;Cocco A;Zippi M;Marcheggiano A;De Nitto D;Avallone EV;Crispino P;Occhigrossi G;Paoluzi P; {Journal}: Dig Liver Dis {Volume}: 47 {Issue}: 11 {Year}: Nov 2015 {Factor}: 5.165 {DOI}: 10.1016/j.dld.2015.07.011 {Abstract}: BACKGROUND: Mesalazine is used as maintenance therapy in ulcerative colitis but the optimal dosage is still controversial.
OBJECTIVE: To compare the remission-maintenance efficacy and tolerability of two daily doses of oral mesalazine (4.8 g and 2.4 g) in patients with ulcerative colitis with frequent relapses in a randomized controlled trial.
METHODS: 112 ulcerative colitis patients in remission were enrolled and randomly allocated to treatment for 1 year with oral mesalazine at a daily dose of 4.8 g (n=56, Group A) or 2.4 g (n=56, Group B).
RESULTS: At the end of the 12 months, intention to treat analysis revealed persistent remission in 42 (75%) in Group A and 36 (64.2%) in Group B (p=0.3). The higher daily dose (4.8 g) proved to be significantly more effective for maintaining remission in patients under 40 years of age (90.5% Group A vs. 50% Group B; Fisher's exact test, p=0.0095) and in those with extensive disease (90.9% Group A vs. 46.7% Group B; Fisher's exact test, p=0.0064).
CONCLUSIONS: In ulcerative colitis patients younger than 40 years and/or with extensive disease, a daily dose of 4.8 g oral mesalazine results in increased rates and duration of remission compared to 2.4 g.