Pre-treatment inflammatory parameters predict survival from endometrial cancer: a prospective database analysis

Kelechi Njoku, Neal C Ramchander, Louise Wan, Chloe Barr, Emma Crosbie

Research output: Contribution to journalArticlepeer-review


Purpose: Inflammation predisposes to tumorigenesis by damaging DNA, stimulating angiogenesis and potentiating pro-proliferative and anti-apoptotic processes. The aim of this study was to investigate whether pre-treatment biomarkers of systemic inflammation are associated with survival outcomes in endometrial cancer.
Patients and methods: Women with endometrial cancer were recruited to a prospective database study. Pre-treatment systemic markers of inflammation, including C-reactive protein (CRP), Glasgow Prognostic Score and lymphocyte-based ratios [neutrophil-lymphocyte ratio (NMR), monocyte-lymphocyte ratio (MLR), systemic immune-inflammation index (SII)], were analysed in relation to overall, endometrial cancer-specific and recurrence-free survival using Kaplan-Meier estimation and multivariable Cox regression.
Results: In total, 522 women of mostly White British ethnicity, with a median age of 66 years (interquartile range (IQR), 56, 73) and BMI of 32kg/m2 (IQR 26, 39) were included in the analysis. Most had low-grade (67.2%), early-stage (85.4% stage I/II), endometrioid (74.5%) tumors. Women with pre-treatment CRP ≥5.5mg/L had a 68% increase in overall (adjusted HR=1.68, 95% CI 1.00-2.81, p=0.049) and a two-fold higher cancer-specific mortality risk than those with CRP <5.5mg/L (adjusted HR=2.04, 95%CI 1.03-4.02, p=0.04). Absolute lymphocyte count, NLR, MLR and SII were associated with adverse clinico-pathologic factors, but not overall, cancer-specific or recurrence-free survival in the multivariable analysis.
Conclusion: If confirmed in an independent cohort, CRP may offer a simple, low-cost test to refine pre-treatment risk assessment and guide personalised care in endometrial cancer. Our participants were mostly of White British ethnicity and further studies are needed to confirm the utility of CRP as a prognostic biomarker in other populations.
Original languageEnglish
JournalGynecologic Oncology
Publication statusAccepted/In press - 12 Nov 2021


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