Background: To evaluate the prognostic role of circulating fibrinogen-to-pre-albumin (FPR) in colorectal cancer (CRC) with different tumor locations, and its involvement in chemosensitivity and chemoresistance. Patients and methods: A total of 2917 eligible CRC patients from multiple centers were enrolled in this prospective study, and 3 years follow-up was carried out to obtain the outcome of these patients. Circulating fibrinogen (Fib), pre-albumin (pAlb), carcinoembryonic antigen (CEA), and carbohydrate antigen 19-9 (CA19-9) were detected, and we calculated FPR according to the detected results. Kaplan–Meier curves, Cox proportional regression, time-dependent receiver operating characteristic curves, Harrell’s concordance index, calibration, and decision curves were used to investigate the role of FPR in predicting chemotherapy efficacy and prognosis of CRC patients. Results: Our results showed that cancer bulk, its infiltrating depth, and the distal metastasis status of CRC determined circulating FPR levels. A high FPR was associated with a significantly inferior prognosis, while the outcomes of right-sided patients with stage III and IV CRC were worse than left-sided cases. Only FPR was found to be a reliable and independent prognostic factor for each stage of CRC. In addition, the prognostic FPR-contained nomograms were superior to the non-FPR nomograms and FPR in predicting the outcomes in both localized and metastatic CRC patients. The circulating FPR was significantly associated with chemotherapeutic efficacy in stage III and IV CRC patients. In particular, low-grade (FPR < 15) and medium-grade (15 ⩽ FPR < 20) FPR patients exhibited a complete response to chemotherapy and attenuated chemosensitivity, respectively; in contrast, high-grade inflammation (FPR ⩾ 20) conferred resistance to the treatment. Conclusion: Circulating FPR is a robust and independent prognostic factor, a simple and economically-friendly predictor of chemotherapy efficacy within cases of localized and metastatic CRC. FPR-contained nomograms are more effective in predicting the prognosis of these patients. FPR and the nomogram can be recommended for the evaluation of chemotherapy efficacy and to aid decision-making associated with the management of these patients.
Background: Smoldering cancer-related inflammation attenuates chemotherapy efficacy and contributes to unsatisfactory outcome for patients of colorectal cancer (CRC). Various inflammation-based biomarkers were reported to predict the survival of the disease, however, it remains unclear which is the best inflammation-based biomarker. The aim of present study was to compare the prognostic role of those biomarkers and to establish superior survival score for post-recurrence survival in radically operative patients with stage II-III CRC. Patients and Methods: Preoperative peripheral neutrophil, lymphocyte, monocyte, platelet, serum albumin (Alb), pre-Alb, and plasma fibrinogen (Fib) were detected in the discovery and validation cohort which included a total of 1533 stage II-III surgical CRC patients. We calculated and compared fourteen inflammation-based biomarkers for predicting recurrence-free survival (RFS) of the patients with stage II-III CRC. Results: In this study, the platelet to lymphocyte ratio (PLR), lymphocyte to monocyte (LMR), systemic inflammation response index (SIRI), prognostic nutritional index (PNI), systemic immune-inflammation index (SII), modified systemic inflammation score (mSIS), fibrinogen and neutrophil to lymphocyte ratio score (F-NLR), ratio of Alb to Fib (AFR), and ratio of Fib to pre-Alb (FPR) were all related to the RFS of the patients in both discovery and validation cohorts, however, only the LMR, SIRI, PNI, mSIS, F-NLR, AFR and FPR remained independent predictors for RFS in multivariate analysis. Both the C-index of the FPR (0.629 for 36 months) and the areas under the time-dependent receiver operating characteristic (ROC) curves (0.625 for 12 months, 0.641 for both 24 and 0.637 months) showed that it was superior to the other inflammation-based prognostic scores for predicting the RFS of stage II-III surgical CRC patients. Moreover, elevated FPR was significantly associated with unsatisfactory RFS regardless of TNM stage and primary tumor location. Stage II low FPR patients showed the best RFS regardless of chemotherapy. The better RFS was observed in chemotherapy-treated stage II high FPR patients than those without the treatment, and the outcomes of patients with treatment of XELOX, capecitabine and XELOX were superior to the other regimens to treat patients in stage III low-and high-FPR populations, respectively. Additionally, the carcinoembryonic antigen (CEA)-FPR combined score one (adjusted HR=2.764, 95% CI=2.129-3.589) and two (adjusted HR=3.543, 95% CI=2.317-5.420) were extremely associated with RFS of these patients, and the predicted AUC of the combined score for 12, 24 and 36 months were 0.657, 0.657 and 0.653 in stage II-III patients, which were superior to the single CEA and FPR, respectively. Conclusion:In conclusion, FPR is superior to the other inflammatory biomarkers as a useful recurrence indicator in stage II-III surgical CRC patients in terms of prognostic
Background: Cancer-related inflammation is the main cause of the progression of mucinous colorectal adenocarcinoma (MCA). Circulating fibrinogen-to-pre-albumin ratio (FPR) is associated with the clinical outcome in colorectal cancer (CRC). However, the prognostic role of FPR and which is the best inflammatory prognostic biomarker within MCA remain unknown. Methods: We enrolled 157 patients with stage I-III MCA in this study. Kaplan-Meier curve, Cox regression, and time-dependent receiver operation characteristic curve analysis were performed to assess the prognostic value and efficacy of the neutrophil-to-albumin ratio (NAR), neutrophil-to-pre-albumin ratio (NPAR), albumin-to-alkaline phosphatase ratio (AAPR), albumin-to-globulin ratio (AGR), albumin-to-fibrinogen ratio (AFR), and FPR in these patients. Results:: We found that NAR, NPAR, and FPR were significantly associated with unsatisfactory recurrence-free survival (RFS) in patients with stage I-III MCA, and the predicted efficacy of FPR was superior to that of the other two inflammatory biomarkers. Moreover, patients with a high combined TNM-CA199-FPR score had worse outcomes, with a high predicted efficacy of up to 0.779 (0.703-0.856). Using FPR, the patient was monitored for the recurrence up to two months earlier than that achieved using the common imaging techniques (4 vs 6 median months) in stage I-III MCA patients undergoing radical resection. Conclusion: FPR is the preferred inflammatory biomarker and commonly used for predicting and monitoring recurrence in stage I-III MCA patients. The combined TNM-CA199-FPR score is an economical, simple, effective, and independent prognostic factor for localized disease.
Background Chronic inflammation is a hallmark of colorectal mucinous adenocarcinoma (CMA). Albumin‐to‐fibrinogen ratio (AFR) and fibrinogen‐to‐pre‐albumin ratio (FPR) were independent prognostic factors for many kinds of solid malignancies. However, the association between the inflammatory scores and progression of metastatic CMA remains unknown. Methods Peripheral blood neutrophil count and circulating fibrinogen, albumin, and pre‐albumin levels were detected, and neutrophil‐to‐albumin ratio (NAR), neutrophil‐to‐pre‐albumin ratio(NPAR), AFR, and FPR were calculated in 42 metastatic MCA patients. Kaplan‐Meier curve, Cox regression, time‐dependent receiver operating characteristic curve (tdROC) were selected to investigate the prognostic utility of them in the patients. Results Metastatic CMA patients commonly occurred in middle‐younger patients (80.95%). NPAR (adjusted hazard ratio (HR)=2.405, 95% confidence interval (CI)=1.195–4.842) and FPR (plog‐rank=0.007, adjusted HR=2.364, 95% CI=1.203–4.645) were significantly associated with poor progression‐free survival in these patients. The prognostic prediction area under tdROC (AUROC) of FPR was significantly higher than that of NPAR(0.703 versus 0.537). Moreover, the patients with a high CA19‐9‐FPR score showed worse outcomes than those with the low score (plog‐rank<0.001, adjusted HR=7.273, 95% CI=2.721–19.435 for the score 1 versus 0). The prediction AUROC, sensitivity, and specificity of the score were 0.892 (0.788–0.996), 76.32%, and 100.00%, respectively, and its predicted efficacy was better than that of the single biomarkers. Conclusion The combined CA19‐9‐FPR score is an economical, simple, effective, and independent prognostic factor for metastatic MCA.
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