Fecal calprotectin can be used in daily practice to monitor patients with UC receiving infliximab maintenance therapy. Two consecutive measurements >300 mg/kg is more specific than a single measurement for predicting relapse.
De Vos, M., Louis, E. J., Jahnsen, J., Vandervoort, J. G. P., Noman, M., Dewit, O., Dʼhaens, G. R., Franchimont, D., Baert, F. J., Torp, R. A., Henriksen, M., Potvin, P. M. R., Van Hootegem, P. P., Hindryckx, P. M., Moreels, T. G., Collard, A., Karlsen, L. N., Kittang, E., Lambrecht, G., et al. (2013). Consecutive fecal calprotectin measurements to predict relapse in patients with ulcerative colitis receiving infliximab maintenance therapy. Inflammatory Bowel Diseases, 19(10), 2111-2117. https://doi.org/10.1097/MIB.0b013e31829b2a37 (Original work published 2013)