Roche posts mixed results on phase III studies of etrolizumab in ulcerative colitis
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Basel: Roche has announced topline results from its phase III study programme evaluating the investigational medicine etrolizumab in people with moderately to severely active ulcerative colitis.
Mixed results were seen in studies evaluating etrolizumab as induction therapy, and both studies evaluating etrolizumab as a maintenance therapy failed to meet their primary endpoints, showing no significant difference in the proportion of people achieving remission with subcutaneous etrolizumab versus placebo.
In the HIBISCUS I induction study, in people without prior anti-tumour necrosis factor (anti-TNF) treatment, etrolizumab met the primary endpoint. In contrast, the HIBISCUS II induction study, which also included people without prior anti-TNF treatment, did not meet its primary endpoint. In the HICKORY study, in people with prior anti-TNF treatment, etrolizumab met the primary endpoint at induction but not at maintenance. In the LAUREL maintenance study in people without prior anti-TNF treatment, etrolizumab failed to meet its primary endpoint. The safety profile of etrolizumab was consistent with previous studies and no major safety issues were identified in the four phase III clinical trials reported to date.
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