Faecal calprotectin in children with clinically quiescent inflammatory bowel disease

Taina Sipponen1, Kaija-Leena Kolho

  • 1Department of Medicine, Division of Gastroenterology, Helsinki University Central Hospital, Helsinki, Finland.

Insights

Faecal calprotectin levels in children with inflammatory bowel disease (IBD) during remission are not always indicative of a future flare-up. However, low levels suggest a higher likelihood of remaining in remission for the following year.

Area of Science:

  • Pediatric Gastroenterology
  • Inflammatory Bowel Disease Research
  • Biomarker Analysis

Background:

  • Faecal calprotectin is an emerging marker for intestinal inflammation.
  • Data on faecal calprotectin in children with inflammatory bowel disease (IBD) during maintenance therapy are limited.
  • Understanding faecal calprotectin's role in quiescent pediatric IBD is crucial for monitoring disease activity.

Purpose of the Study:

  • To assess faecal calprotectin levels in pediatric IBD patients during clinical remission.
  • To determine if elevated faecal calprotectin levels predict disease flare-ups in this population.
  • To investigate the association between faecal calprotectin and clinical status in pediatric IBD.

Main Methods:

  • Faecal calprotectin was measured in 72 children with pediatric IBD in clinical remission (median age 13 years).
  • Patients were categorized by duration of remission (e.g., >1 year, 6-12 months, 3-<6 months).
  • Clinical outcomes, including relapse, were monitored for up to 12 months.

Main Results:

  • 35% of children had normal faecal calprotectin (<100 microg/g) and 13% had very high levels (>1000 microg/g) while asymptomatic.
  • A clinical relapse occurred in 35% of patients within 12 months.
  • The predictive value of faecal calprotectin for relapse was low (0.396-0.429 for levels >100 or >1000 microg/g), but the negative predictive value was 0.75 for levels <100 microg/g.

Conclusions:

  • Subjective symptoms and clinical assessments correlate poorly with faecal calprotectin levels in pediatric IBD.
  • Low faecal calprotectin levels in clinically quiescent pediatric IBD indicate a high probability of remaining in remission for the subsequent year.
  • Faecal calprotectin monitoring may be useful, particularly for ruling out active inflammation in asymptomatic children with IBD on maintenance therapy.
Abstract

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