Observational studyUnited European gastroenterology journal2025
Serum Neutrophil Biomarkers to Predict Crohn's Disease Progression and Infliximab Treatment Outcomes.
Observational study in United European gastroenterology journal, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The Serine Protease-Serine Protease Inhibitor Regulatory Network in Inflammatory Bowel Disease: From Molecular Mechanisms to Novel Therapeutic Horizons.Journal of advanced research · 2026Review
- The Roles of Four Neutrophil-Derived Proteins as Non-Invasive Biomarkers in the Assessment of Inflammatory Bowel Disease.Journal of inflammation research · 2026Review
- Risk factors for readmission in hospitalized patients with inflammatory bowel disease: a retrospective cohort study.American journal of translational research · 2026Article
- Development of Predictive Models for Long-Term Endoscopic Response to Ustekinumab in Crohn's Disease Based on Plasma Proteomics.Journal of inflammation research · 2025Article
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Authors and funding
24 authors.
Funding
Abstract
BACKGROUND AND
aimsPredicting the treatment outcomes of biological therapies is an unmet need in Crohn's Disease. In this study, we explored the potential of serum neutrophil-related biomarkers to predict infliximab therapeutic results and disease progression in Crohn's Disease patients, over a 2-year period, in a real-world setting.
methodsThe study included 100 asymptomatic Crohn's Disease patients in the IFX maintenance phase from the prospective, observational, multicenter DIRECT study. Patients were categorized according to a composite outcome reflecting progression that included surgery, hospitalizations, new fistulae, abscess or stricture, and drug treatment escalation. Serum neutrophil elastase, lipocalin-2, lactoferrin, and resistin (non-neutrophil control) were analyzed via multiplex magnetic bead assays at multiple touchpoints. Fecal calprotectin was assessed by ELISA.
resultsOver up to 2 years of follow-up, serum biomarkers did not differentiate between the composite outcome groups, whereas fecal calprotectin was significantly higher in patients with worse outcomes. During the infliximab maintenance phase, there was a significant, sustained reduction of neutrophil elastase (p < 0.001), lipocalin-2 (p < 0.001), and lactoferrin (p < 0.001), but not of resistin, despite stable neutrophil levels. Correlations between NE and NGAL levels were strong (Pearson correlations 0.75-0.85); all other correlations were of small magnitude.
conclusionOur real-world data do not support using serum neutrophil elastase, lipocalin-2, or lactoferrin concentrations as predictors of treatment outcomes or disease evolution in infliximab -treated Crohn's Disease patients. On the other hand, the sustained decrease in biomarkers over time suggests that neutrophil stabilization might be an additional infliximab mechanism of action.
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