A Nomogram Of Clinical And Biologic Factors To Predict Survival In Children Newly Diagnosed With High-Risk Neuroblastoma: An International Neuroblastoma Risk Group Project
PEDIATRIC BLOOD & CANCER(2021)
摘要
Background: Long-term outcome remains poor for children with high-risk neuroblastoma (five-year overall survival [OS] similar to 50%). Our objectives were to (a) identify prognostic biomarkers and apply them in a nomogram to identify the subgroup of ultra-high-risk patients at highest risk of disease progression/death, for whom novel front-line therapy is urgently needed; and (b) validate the nomogram in an independent cohort.Methods: A total of 1820 high-risk patients (>= 18 months old with metastatic neuroblastoma), diagnosed 1998-2015, from the International Neuroblastoma Risk Groups (INRG) Data Commons were analyzed in a retrospective cohort study. Using multivariable Cox regression of OS from diagnosis, a nomogram was created from prognostic biomarkers to predict three-year OS. External validation was performed using the SIOPEN HR-NBL1 trial cohort (n = 521), evidenced by receiver operating characteristic curves.Results: The nomogram, including MYCN status (P < 0.0001), lactate dehydrogenase (LDH) (P = 0.0007), and presence of bone marrow metastases (P = 0.004), had robust performance and was validated. Applying the nomogram at diagnosis (a) gives prognosis of an individual patient and (b) identifies patients predicted to have poor outcome (three-year OS was 30% +/- 5% for patients with a nomogram score of >82 points; 58% +/- 1% for those <= 82 points). Median follow-up time was 5.5 years (range, 0-14.1).Conclusions: In high-risk neuroblastoma, a novel, publicly available nomogram using prognostic biomarkers (MYCN status, LDH, presence of bone marrow metastases; https://neuroblastoma.shinyapps.io/High-Risk-Neuroblastoma-Nomogram/) has the flexibility to apply a clinically suitable and context-specific cutoff to identify patients at highest risk of death. This will facilitate testing urgently needed new frontline treatment options to improve outcome for these children.
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关键词
biomarkers, high-risk neuroblastoma, nomogram, prognostic factors, risk stratification, ultra-high-risk
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