Prospective comparison of preference and efficacy of adalimumab and infliximab for treating ulcerative colitis naive to antitumor necrosis factor therapy

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Abstract

There have been few reports on 2 tumor necrosis factor alpha inhibitors, infliximab and adalimumab, with respect to patient preference and efficacy in ulcerative colitis (UC).

We used questionnaires to evaluate the preference and reasons for drug choice between infliximab and adalimumab in UC patients naive to antitumor necrosis factor alpha therapy. We also analyzed the efficacy of infliximab and adalimumab prospectively and endoscopically before treatment and at 14 and 54 weeks.

Of the 25 UC patients, infliximab and adalimumab were chosen by 10 (40%) and 15 (60%), respectively. Patients who favored infliximab considered “fear of syringes” (7/10, 70%) as the most important influencing factor, whereas patients who favored adalimumab considered “ease of administration” (10/15, 66.7%) and “time required for therapy” (10/15, 66.7%) as the most important factors. There were no statistical differences in remission induction and maintenance between the infliximab and adalimumab groups with regard to response, remission, mucosal healing, steroid-free, and steroid-free remission rates at weeks 14 and 54.

The efficacy of adalimumab in remission induction and maintenance was equivalent to that of infliximab in UC patients naive to antitumor necrosis factor alpha therapy in this prospective study, but more patients preferred adalimumab.

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