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Published on 10 December 2008

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New data results for cimzia

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Data presented by UCB at advances in inflammatory bowel diseases 2008 – the Crohn’s & Colitis Foundation’s Clinical & Research Conference – have demonstrated more than half of those moderate to severe Crohn’s disease patients who had open fistulas at baseline had closure of fistulas by Week 26 following short-term induction therapy with cimzia (certolizumab pegol) – the only PEGylated anti-TNFa (Tumor Necrosis Factor alpha).

Additionally, the data showed that fistulas in most of these patients treated continuously with cimzia stayed closed with a majority of patients achieving clinical remission.

Cimzia is indicated for reducing the signs and symptoms of Crohn’s disease and maintaining clinical response in adult patients with moderate to severe active disease who have had an inadequate response to conventional therapy.

Fistulas are abnormal tunnels or tracts that develop in response to inflammation and ulceration associated with CD. Fistulas may originate from the intestinal tract or rectum and connect to the bladder, vagina, skin or other intestinal areas. If left untreated, fistulas may cause a decrease in absorption of nutrients from food, abnormal drainage of bowel contents into other organs, or a life-threatening infection or abscess.

These results focus on a subpopulation of adult, moderate to severe Crohn’s disease patients with fistulizing disease who took part in precise 2, the phase III maintenance study of cimzia. In precise 2, patients received an open-label induction with subcutaneous cimzia 400 mg at weeks 0, 2 and 4.

Those who responded to treatment (reduction of less than or equal to 100 points from baseline on the Crohn’s Disease Activity Index (CDAI)) at Week 6 were randomized to cimzia  400 mg or placebo every 4 weeks until week 24 with final assessment at Week 26.

Of the patients in the intent-to-treat population who responded to cimzia induction, 13.6% (58 of 425) had open fistulas at baseline: 30 of these patients were randomized to placebo and 28 to cimzia 400 mg.

Among patients who had fistula closure (the absence of drainage on gentle compression) during the study, a higher proportion of those treated continuously with cimzia 400 mg (73.3%) maintained 50% fistula closure at Week 26 versus patients receiving placebo (38.5%).

More than two-thirds (66.7%) of the cimzia treated patients maintained 100% closure of fistulas compared to placebo (30.8%) at Week 26.

UCB



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