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Calprotectin levels in Crohn's perianal fistula scraping are associated with fistula outcomes after surgical closure.
Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland

Cure8 research brief

Calprotectin levels in Crohn's perianal fistula scraping are associated with fistula outcomes after surgical closure.

2 min read
Tests and monitoring Fistula Clinical study Patients with Perianal Disease Clinicians Researchers Crohn's disease Inflammatory bowel disease

Why This Matters

If confirmed, a simple calprotectin test on fistula scrapings could help predict which Crohn’s patients are likely to heal after primary surgical fistula closure and which may need additional therapies, potentially reducing failed procedures and guiding treatment choice.

Who Should Pay Attention

Patients with Crohn’s disease and perianal fistulas, colorectal surgeons and gastroenterologists, researchers studying perianal disease biomarkers and surgical outcomes.

Study Snapshot

Story typeResearch paper
Evidence typeResearch paper
Source depthJournal abstract

What To Know

This prospective study measured calprotectin in material scraped from perianal fistulas of 47 Crohn’s disease patients undergoing surgical closure (either primary closure or closure plus mesenchymal stem cell therapy).

Higher or lower scraping calprotectin levels were associated with different outcomes: lower levels were linked to successful clinical closure after primary surgery, while in the stem-cell-treated group higher scraping calprotectin was associated with radiological remission.

The study suggests that measuring calprotectin directly from fistula scrapings might help identify patients likely to succeed with primary surgical closure versus those who may need additional treatments such as mesenchymal stem cell therapy. The data come from a modest-sized, prospective cohort with median follow-up of about 18 months.

This report describes an observational clinical study of a biomarker measured by ELISA on fistula scrapings; it does not itself establish clinical practice standards. Patients and clinicians should view these findings as preliminary evidence that may guide future research and trial design, not as definitive guidance for individual treatment decisions.

Keep In Mind

This is an abstract-level summary of a prospective clinical study; results are preliminary and from a single cohort (47 patients). The assay was ELISA on scraping material and outcomes included clinical closure and MRI-based radiological remission (MAGNIFI score). Larger validation studies are needed before changing clinical practice.

Source Details

Review the original publication for the complete reporting, methods, and context.

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Research paper Evidence type derived from source or registry metadata.
PublicationColorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland
AuthorsPronk AJM, Beek KJ, Becker MAJ +5 more
Study typeIm, journal article
Indexed viaEurope PMC
Source typeResearch paper
PublishedSep 1, 2026, 12:00 AM
Content availableJournal abstract

This Cure8 brief is based on source text from the linked article. Cure8 is informational only and is not a substitute for professional medical advice, diagnosis, or treatment.

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