to establish whether the cytoprotective properties of prostanoids can be used for maintaining remission in ulcerative colitis , 24 patients with ulcerative colitis in remission were randomly assigned to receive either 15 ( r ) , 15-methyl-pge2 ( 200 micrograms/day ) or to continue with sulfasalazine ( 2.0 g/day ) for up to 28 weeks .
C0033554
prostanoids
C0012472
pge2