Abstract
Background
There is no agreeing if rescue therapy can avoid short-term colectomy in patients treated for severe steroid-refractory ulcerative colitis.
Aims
The aim of our study was to identify predictors of response to infliximab and cyclosporine A.
Methods
In this cross-sectional study, 49 patients with severe ulcerative colitis were included. Response to therapy was defined as three or more point reductions in Mayo score after 6 months of treatment and avoidance of colectomy after 1 year. The predictors analysed were gender, age, time from ulcerative colitis diagnosis, months of steroid or/and azathioprine therapy before onset of the severe phase, smoking habits, extension of the disease, laboratory analyses and Mayo score.
Results
Patients treated with infliximab showed a statistically significant higher response rate in case of moderate Mayo score (P = 0.04). Ex-smokers had very low chance of response to infliximab (P = 0.03). In the group treated with cyclosporine A, patients with C-reactive protein >3 mg/L had a response rate significantly higher than those with C-reactive protein <3 mg/L (P = 0.03); those with negative C-reactive protein and moderate Mayo score did not responded to therapy, while in the ones with elevated C-reactive protein and/or severe Mayo score, 15 versus 4 responded (P = 0.008).
Conclusions
Our data suggest that cyclosporine A is advisable in ex-smokers. In never smokers or active smokers, infliximab can be prescribed in case of Mayo score ≤10 and/or negative CRP, while cyclosporine A is indicated in case of Mayo score >10 and positive CRP.
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Saracco G, Astegiano M, Pellicano R, Dileo I and Ribaldone DG designed the research; Dileo I, Fagoonee S and Vernero M performed the research; Vernero M and Fagoonee S analysed the data; Dileo I GA, Ribaldone DG, Astegiano M and Pellicano R wrote the paper. All authors have approved the final article.
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This article does not contain any studies with human participants performed by any of the authors. Informed consent was obtained from all individual participants included in the study.
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The authors declare that they have no conflict of interest.
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Ribaldone, D.G., Dileo, I., Pellicano, R. et al. Severe ulcerative colitis: predictors of response and algorithm proposal for rescue therapy. Ir J Med Sci 187, 385–392 (2018). https://doi.org/10.1007/s11845-017-1666-0
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DOI: https://doi.org/10.1007/s11845-017-1666-0