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Published on: January 5, 2017
Effectiveness, safety, and cost of combination advanced therapies in inflammatory bowel disease
Cathy McShane1, Rachel Varley2, Anne Fennessy3
1Department of Gastroenterology, St. James's Hospital, Dublin, Ireland; Wellcome - HRB Clinical Research Facility, St. James's Hospital, James's Street, Dublin, Ireland; Trinity Academic Gastroenterology Group, Trinity College Dublin, Ireland.
Background:
A significant proportion of inflammatory bowel disease (IBD) patients fail to respond to advanced therapies. Combining advanced therapies may improve treatment outcome. This study aimed to assess the effectiveness, adverse events, and costs associated with combining advanced therapies in IBD patients.
Methods:
Combination advanced therapy was defined as the concurrent use of two biological agents or one biological agent with a small molecule therapy. Clinical data, including disease characteristics, treatment regimens, and adverse events, were collected from electronic patient records. Clinical response rates, biochemical markers, and treatment costs were evaluated.
Results:
The study included 109 IBD patients receiving combination advanced therapies from 9 academic centers in Ireland. Corticosteroid-free clinical response rates at 12 weeks and 52 weeks were 39 % and 38 %, respectively. Adverse events occurred in 26 % of therapeutic trials, with disease-related events being the most common. Notably, there were 3 cases of non-melanomatous skin cancer and 10 infectious complications. The annual cost of maintenance therapy for combination advanced therapies ranged from €17,560 to €30,724 per patient.
Conclusion:
Combination advanced therapies demonstrated effectiveness and acceptable safety profiles in a cohort of treatment-refractory IBD patients. Further large, prospective trials are required to definitively evaluate the role of combination advanced therapies in IBD.
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