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Faecal calprotectin and lactoferrin as markers for monitoring disease activity and predicting clinical recurrence in patients with Crohn's disease after ileocolonic resection: A prospective pilot study.
MedLine Citation:
PMID:  24917985     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Several studies have reported that faecal calprotectin and lactoferrin showed a close correlation with endoscopic inflammation in patients with inflammatory bowel disease. However, the clinical significance of faecal calprotectin or lactoferrin in postoperative Crohn's disease (CD) is not fully evaluated. This prospective study was to investigate the relationship between endoscopic activity, and faecal calprotectin and lactoferrin, and assess the predictive value of these markers for future recurrence.
METHODS: Twenty patients who remained in remission during 6-12 months after ileocolonic resection for CD were included. All patients underwent ileocolonoscopy for assessing endoscopic activity (Rutgeerts score) in the neo-terminal ileum. A stool sample was collected for measurement of calprotectin and lactoferrin. All patients were then followed up for 12 months, and clinical recurrence was defined as a CDAI >150 with an increase of ≥70 points.
RESULTS: The mean time between surgery and the endoscopic examination at entry was 7.2 months. The endoscopic scores were i0 or i1 in 10 patients, i2 in six patients, i3 in three patients, and i4 in one patient. Both calprotectin and lactoferrin positively correlated with the endoscopic scores (p = 0.0001 and p = 0.038, respectively). Six patients developed clinical recurrence during the 12-month follow-up. Both calprotectin and lactoferrin levels were significantly higher in patients with clinical recurrence than those in remission (p = 0.0007 and p = 0.025, respectively). A cutoff value of 170 µg/g for calprotectin had a sensitivity of 83% and a specificity of 93% to predict a risk of clinical recurrence, while a cutoff value of 140 µg/g for lactoferrin had a sensitivity of 67% and a specificity of 71%.
CONCLUSIONS: Both calprotectin and lactoferrin levels correlate well with endoscopic activity after ileocolonic resection for CD. Calprotectin and lactoferrin could be clinically relevant biomarkers for predicting postoperative recurrence. Further well-designed large trials should strengthen the findings of the present investigation.
Authors:
Takayuki Yamamoto; Manabu Shiraki; Takuya Bamba; Satoru Umegae; Koichi Matsumoto
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  United European gastroenterology journal     Volume:  1     ISSN:  2050-6406     ISO Abbreviation:  United European Gastroenterol J     Publication Date:  2013 Oct 
Date Detail:
Created Date:  2014-06-11     Completed Date:  2014-06-11     Revised Date:  2014-06-13    
Medline Journal Info:
Nlm Unique ID:  101606807     Medline TA:  United European Gastroenterol J     Country:  England    
Other Details:
Languages:  eng     Pagination:  368-74     Citation Subset:  -    
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