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Research article
JianMin Xu
Zhongshan Hospital Fudan University
Corresponding Author
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Background: Standard uptake value (SUV) is an indicator of tumor metabolic response. In this paper, we aim to explore the value of SUV on unresectable colorectal cancer liver-limitedmetastasis (CRLM) patients receiving bevacizumab-containing chemotherapy. Method: This study was performed retrospectively. A total of 185 CRLM patients between April 2011 to December 2015 with complete clinical data were included in this study. All enrolled patients were assigned into two treatment cohorts (bevacizumab plus chemotherapy cohort and chemotherapy only cohort). All clinical variables, and various PET/CT parameters were statistically compared with progression-free survival (PFS) and overall survival (OS). Primary and Metastatic tumor SUV were selected for analysis. Results: Among the 185 patients, 101 patients received chemotherapy plus bevacizumab ( beva cohort ), 84 patients only received chemotherapy ( CMT cohort ). Baseline characteristics of two cohorts showed no statistical difference (P>0.05). Primary SUV level was correlated with primary tumor size, while metastatic SUV was statistically correlated with metastatic tumor number and tumor size (P=0.000). Primary lesion, metastatic lesion SUV and elevation of SUV demonstrated prognostic role for OS (P<0.05). SUV gap were statistically associated with optimal response in beva cohort (P=0.03) and no-PD status in CMT cohort (P=0.019), respectively. After multivariate analysis, elevated SUV is an independent risk factor for OS (P=0.000). Besides, elevation of SUV between metastatic and primary lesion can be a predictive factor for bevacizumab survival benefit. Conclusion: PET-CT scan is important for CRLM patients. Our study demonstrated that an elevation of SUV was a better prognostic and predictive marker for CRLM patients.
Keywords
Colorectal cancer liver metastasis; Standard uptake value; bevacizumab; prognosis
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A new preprint design is coming!
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This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Research article
JianMin Xu
Zhongshan Hospital Fudan University
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 2
Posted 24 Sep, 2019
No community comments so far
No comments provided
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Background: Standard uptake value (SUV) is an indicator of tumor metabolic response. In this paper, we aim to explore the value of SUV on unresectable colorectal cancer liver-limitedmetastasis (CRLM) patients receiving bevacizumab-containing chemotherapy. Method: This study was performed retrospectively. A total of 185 CRLM patients between April 2011 to December 2015 with complete clinical data were included in this study. All enrolled patients were assigned into two treatment cohorts (bevacizumab plus chemotherapy cohort and chemotherapy only cohort). All clinical variables, and various PET/CT parameters were statistically compared with progression-free survival (PFS) and overall survival (OS). Primary and Metastatic tumor SUV were selected for analysis. Results: Among the 185 patients, 101 patients received chemotherapy plus bevacizumab ( beva cohort ), 84 patients only received chemotherapy ( CMT cohort ). Baseline characteristics of two cohorts showed no statistical difference (P>0.05). Primary SUV level was correlated with primary tumor size, while metastatic SUV was statistically correlated with metastatic tumor number and tumor size (P=0.000). Primary lesion, metastatic lesion SUV and elevation of SUV demonstrated prognostic role for OS (P<0.05). SUV gap were statistically associated with optimal response in beva cohort (P=0.03) and no-PD status in CMT cohort (P=0.019), respectively. After multivariate analysis, elevated SUV is an independent risk factor for OS (P=0.000). Besides, elevation of SUV between metastatic and primary lesion can be a predictive factor for bevacizumab survival benefit. Conclusion: PET-CT scan is important for CRLM patients. Our study demonstrated that an elevation of SUV was a better prognostic and predictive marker for CRLM patients.
Figure 1
Figure 2
Figure 3
This is a list of supplementary files associated with this preprint. Click to download.
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