ArticlePigment cell & melanoma research2023
Neutrophil-to-eosinophil ratio as a biomarker for clinical outcomes in advanced stage melanoma patients treated with anti-PD-1 therapy.
Article in Pigment cell & melanoma research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 5 of them syntheses that pooled it.
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
16 citing papers in PubMed, 5 syntheses or guidelines pooled it, 22 citations in OpenAlex.
- Associations between inflammatory biomarkers, symptoms, treatment toxicities and quality of life in people with advanced cancer receiving systemic anti-cancer treatments: a systematic review.Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer · 2026Pooled it
- Prognostic role of the baseline neutrophil‒eosinophil ratio in cancer patients: a meta-analysis and systematic review.World journal of surgical oncology · 2025Pooled it
- Pretreatment neutrophil-to-lymphocyte ratio is associated with immunotherapy efficacy in patients with advanced cancer: a systematic review and meta-analysis.Scientific reports · 2025Pooled it
- The predictive value of the neutrophil/eosinophil ratio in cancer patients undergoing immune checkpoint inhibition: a meta-analysis and a validation cohort in hepatocellular carcinoma.Frontiers in immunology · 2025Pooled it
- Prognostic value of inflammatory markers NLR, PLR, LMR, dNLR, ANC in melanoma patients treated with immune checkpoint inhibitors: a meta-analysis and systematic review.Frontiers in immunology · 2024Pooled it
- Baseline neutrophil-to-eosinophil ratio and neutrophil-to-lymphocyte ratio as prognostic markers in patients with unresectable biliary tract cancer treated with gemcitabine-cisplatin-durvalumab: an international, multicentre, retrospective cohort study.ESMO gastrointestinal oncology · 2026Article
- Association of Erythrocyte-Related Indices with Immune-Related Adverse Events and Survival of Lung Cancer Patients Receiving Immune Checkpoint Inhibitors.Pharmaceuticals (Basel, Switzerland) · 2025Article
- Article
- Peripheral eosinophils and immunotherapy response in patients with recurrent or metastatic HNSCC.Scientific reports · 2025Article
- Prognostic value of the CONUT score with immune checkpoint inhibitors as first-line therapy for metastatic malignant melanoma.The Journal of dermatology · 2025Article
- The Role of Eosinophils, Eosinophil-Related Cytokines and AI in Predicting Immunotherapy Efficacy in NSCLCBiomolecules · 2025Review
- Prognostic Value of Neutrophil-to-Eosinophil Ratio (NER) in Cancer: A Systematic Review and Meta-Analysis.Cancers · 2024Review
- The causal relationships of granulocytes and melanoma skin cancer: A univariable and multivariable Mendelian randomization study.Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI) · 2024Article
- Machine Learning Model Based on the Neutrophil-to-Eosinophil Ratio Predicts the Recurrence of Hepatocellular Carcinoma After Surgery.Journal of hepatocellular carcinoma · 2024Article
- Eosinophilic granulocytes as a potential prognostic marker for cancer progression and therapeutic response in malignant melanoma.Frontiers in oncology · 2024Review
- Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
Neutrophil-to-lymphocyte ratios (NLR) and eosinophil counts are associated with improved survival in melanoma patients treated with immune checkpoint inhibitors, but no study has investigated neutrophil-to-eosinophil ratios (NER) as a predictive indicator in this population. In this retrospective study evaluating anti-PD-1 treated patients with advanced melanoma, progression-free survival (PFS), overall survival (OS), objective response rates (ORR), and risk of high-grade (grade ≥3) immune-related adverse events (irAEs) were compared between groups defined by median pretreatment NLR and NER as well as median NLR and NER at 1-month post-treatment. Lower baseline NLR and NER were associated with improved OS [HR: 0.504, 95% CI: 0.328-0.773, p = .002 and HR: 0.442, 95% CI: 0.288-0.681, p < .001, respectively] on univariate testing. After accounting for multiple covariates, our multivariate analysis found that lower pretreatment NER was associated with better ORR (by irRECIST) (OR: 2.199, 95% CI: 1.071-4.582, p = .033) and improved OS (HR: 0.480, 95% CI: 0.296-0.777, p = .003). Baseline NLR, 1-month NLR, and 1-month NER were not associated with ORR, PFS, or OS outcomes; but 1-month NER correlated with lower risk of grade ≥3 irAEs (OR: 0.392, 95% CI: 0.165-0.895, p = .029). Our findings suggest baseline NER merits additional investigation as a novel prognostic marker for advanced melanoma patients receiving anti-PD-1-based regimens.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.