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Region Hovedstaden - en del af Københavns Universitetshospital
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Serum Calprotectin in Adolescents with Inflammatory Bowel Disease - A Pilot Investigation

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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Vis graf over relationer

OBJECTIVES: Fecal calprotectin (FC) is a well-integrated parameter in the monitoring of adolescent patients with inflammatory bowel disease (IBD). However, measurement of FC is limited by day-to-day-variation and by the feces consistency. Furthermore, adolescents are often noncompliant to deliver fecal sampling leading to suboptimal monitoring. Consequently, we see the need of a substitute biomarker whenever measurement of FC fails and aimed to investigate serum calprotectin (SC) in adolescents with IBD.

METHODS: In cross sectional data from 19 ulcerative colitis (UC) patients <18 years old, a Spearman correlation was used to analyze the correlation between SC, FC, C-reactive protein (CRP) and endoscopic and symptom scores. In longitudinal data collected from 20 UC and Crohn disease (CD) patients (10-17 years old), Mixed Effect Models (MEM) were used to analyze the association between SC, FC, CRP, and symptom scores.

RESULTS: We found positive correlations between SC (19 samples) and the endoscopic score, symptom score, and CRP (r = 0.56, P = 0.01; r = 0.64, P = 0.003; r = 0.97, P < 0.0001). We found no significant correlation between SC and FC. In 27 samples from UC patients, the association of SC with FC and CRP were positive and significant (P = 0.004, estimate = 0.32; P = 0.0001, estimate = 0.002). The association between SC and symptom score was insignificant. In 49 samples from CD patients, the association between SC and CRP was significant (P = 0.02, estimate = 0.002) whereas associations between SC and FC and symptom score were insignificant.

CONCLUSIONS: In the current pilot study, we found a correlation between SC and the endoscopically assessed inflammation in UC. SC may have the potential to improve disease monitoring of adolescent patients.

OriginalsprogEngelsk
TidsskriftJournal of Pediatric Gastroenterology and Nutrition
Vol/bind68
Udgave nummer5
Sider (fra-til)669-675
Antal sider7
ISSN0277-2116
DOI
StatusUdgivet - maj 2019

ID: 56200622