Abstract
Leukocytapheresis (LCAP) has been applied for the treatment of steroid refractory ulcerative colitis (UC). A standard protocol employs one or two sessions of LCAP per week. Our aim was to determine whether five consecutive LCAP sessions can be performed safely and effectively for UC patients. Six patients with moderately active UC were enrolled. The patients received five days of consecutive LCAP in which the processing volume of blood was limited to 1500 mL per session. The hemoglobin levels in each patient gradually decreased, and the platelet count by the fifth session reached half of the value before the first session. The clinical activity index in two patients improved daily, and they went into remission with an improvement in the colonic endoscopic appearance after one week. This preliminary study showed that five consecutive LCAP sessions are safe and feasible for active UC patients. The therapeutic efficacy and suitable patients for this treatment protocol should be confirmed by further studies.
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