Assessing the Prognostic Significance of Interleukin-6, Neuropilin-1, and Amphiregulin Levels for Mortality Prediction in ICU Patients with Sepsis or Septic Shock - Report - MDSpire

Assessing the Prognostic Significance of Interleukin-6, Neuropilin-1, and Amphiregulin Levels for Mortality Prediction in ICU Patients with Sepsis or Septic Shock

  • By

  • Fatma Karakoc Ozudogru

  • Banu Karaca

  • Huriye Erbak Yilmaz

  • Oguz Karalar

  • Murat Aksun

  • Kamil Gonderen

  • March 13, 2026

  • 0 min

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Clinical Report: Prognostic Significance of IL-6, Nrp-1, and AREG in Sepsis

Overview

This study evaluates the prognostic value of interleukin-6, neuropilin-1, and amphiregulin levels in predicting 28- and 90-day mortality in ICU patients with sepsis or septic shock. The findings suggest that these biomarkers may provide additional prognostic information beyond established clinical risk scores.

Background

Sepsis remains a leading cause of morbidity and mortality in intensive care units, with high mortality rates despite advancements in treatment. Accurate risk stratification is crucial for timely intervention, yet existing biomarkers like CRP and procalcitonin have limitations in prognostic accuracy. This study investigates the potential of IL-6, Nrp-1, and AREG as more effective prognostic biomarkers in sepsis.

Data Highlights

No numerical data provided in the source material.

Key Findings

  • IL-6 levels are associated with poor prognosis and increased mortality in severe sepsis and septic shock.
  • Nrp-1 is expressed on Treg cells and may influence the clinical course of sepsis.
  • AREG contributes to proinflammatory cytokine expression and tissue repair during inflammation.
  • The study included 100 patients meeting Sepsis-3 criteria for sepsis or septic shock.
  • Admission levels of IL-6, Nrp-1, and AREG were evaluated for their prognostic significance.

Clinical Implications

Clinicians should consider the potential role of IL-6, Nrp-1, and AREG in assessing prognosis for patients with sepsis or septic shock. These biomarkers may enhance risk stratification and inform treatment decisions in the ICU setting.

Conclusion

The study highlights the importance of evaluating novel biomarkers like IL-6, Nrp-1, and AREG for mortality prediction in sepsis, which may improve patient management in critical care.

References

  1. Pro-atrial natriuretic peptide (pro-ANP) concentrations in individuals with severe sepsis and septic shock: implications for diagnosis and prognosis, Infection, 2011
  2. Levels of Circulating Angiopoietin-2 During Septic Shock: Associations with Fluid Management, Lung Dysfunction, and Mortality Rates, Intensive Care Medicine, 2009
  3. Predictive enrichment using biomarkers in studies of critically-ill patients with sepsis: a systematic review, Critical Care, 2025
  4. Role of the MAPK Pathway in Enhancing Survival During COVID-19-Related Sepsis: Insights from a Multicenter Cohort Study, Infection, 2024
  5. Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2026, SCCM
  6. IL-6 Baseline Values and Dynamic Changes in Predicting Sepsis Mortality: A Systematic Review and Meta-Analysis, PubMed, 2025
  7. Surviving Sepsis Campaign: International Guidelines for Management of Sepsis and Septic Shock 2026 | SCCM
  8. IL-6 Baseline Values and Dynamic Changes in Predicting Sepsis Mortality: A Systematic Review and Meta-Analysis - PubMed

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