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Efficacy of methotrexate to prevent postoperative recurrence of Crohn's disease
Munera Campos, Mònica
Busquets Casals, David; Universitat de Girona. Facultat de Medicina
BACKGROUND: endoscopic postoperative recurrence (POR) of Crohn’s disease (CD) is the presence of lesions in previously unaffected intestinal segments and occurs in up to 85% of patients one year after bowel resection. Patients at low risk for POR can either remain untreated until lesions recur or receive immediate prevention after surgery with mesalazine, azathioprine (AZA) and/or metronidazole, although with moderate benefit. Out of the postoperative setting, methotrexate (MTX) has been shown to be efficacious for induction and maintenance of remission and has been established as the second-line immunosuppressant for patients with CD unresponsive or intolerant to AZA.AIMS: to determine the efficacy and safety of MTX to prevent endoscopic and clinical POR at 24 weeks after surgery in low risk patientsMETHODS: the study consists on a multicenter, randomized, double-blind and placebo-controlled clinical trial that will enroll 132 patients at low risk for POR (non-smokers, first intestinal resection, non-penetrating behavior). Patients will be randomized to receive subcutaneous MTX at doses of 25 mg/week or an identical placebo, for 24 weeks. Endoscopic and clinical assessment of POR will be performed after 24 weeks (6 months) of treatment. The main outcome is endoscopic POR, defined as a Rutgeerts score of >i2, and secondary outcomes include clinical POR, defined as >i2 lesions plus a Crohn’s Disease Activity Index (CDAI) >150, and description of adverse events
Crohn, Malaltia de
Croh's disease
Attribution-NonCommercial-NoDerivs 3.0 Spain
Facultat de Medicina

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