Clinical significance of CEA-mRNA expression in peritoneal lavage fluid from patients with gastric cancer

Author(s):  
Koki Tokuda ◽  
Shoji Natsugoe ◽  
Akihiro Nakajo ◽  
Futoshi Miyazono ◽  
Sumiya Ishigami ◽  
...  
2021 ◽  
Author(s):  
Dongbin Zhao ◽  
Pinli Yue ◽  
Tongbo Wang ◽  
Pei Wang ◽  
Qianqian Song ◽  
...  

Abstract Peritoneal dissemination (PD) is the major type of gastric cancer (GC) recurrence and leads to rapid death. Current approach cannot precisely determine which patients are at high risk of PD. In this study, we developed a technology to detect minimal residual cancer cells in peritoneal lavage fluid (PLF) samples by parallel profiling tumor-specific mutations. We applied the technology to a prospective cohort of 110 GC patients. The technology showed ultra-high sensitivity by successfully detecting all the 27 cases that developed PD. The minimal residual cancer cells in PLF was associated with an increased risk of PD (HR = 145.13; 95%CI = 20.20-18435.79; p < 0.001) and significantly shorter overall survival. In pathologically high-risk (T4) patients, the PLF mutation profiling model exhibited even greater specificity of 91% and positive predictive value of 88%, while retaining sensitivity of 100%. PLF cancer cell fraction remained the strongest independent predictor of PD and recurrence-free survival over pathologic diagnosis and cytological diagnosis in GC patients. This approach may help in the postsurgical management of GC patients by detecting PD far before the metastatic lesions grow to significant size detectable by conventional methods such as MRI and CT scanning.


2013 ◽  
Vol 38 (5) ◽  
pp. 1107-1111 ◽  
Author(s):  
Akihiro Takata ◽  
Yukinori Kurokawa ◽  
Yoshiyuki Fujiwara ◽  
Yurika Nakamura ◽  
Tsuyoshi Takahashi ◽  
...  

2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Dongbing Zhao ◽  
Pinli Yue ◽  
Tongbo Wang ◽  
Pei Wang ◽  
Qianqian Song ◽  
...  

AbstractPeritoneal dissemination (PD) is a major type of gastric cancer (GC) recurrence and leads to rapid death. Current approaches cannot precisely determine which patients are at high risk of PD to provide early intervention. In this study, we developed a technology to detect minimal residual cancer cells in peritoneal lavage fluid (PLF) samples with a personalized assay profiling tumor-specific mutations. In a prospective cohort of 104 GC patients, the technology detected all the cases that developed PD with 100% sensitivity and 85% specificity. The minimal residual cancer cells in PLF were associated with a significantly increased risk of PD (HR = 145.13; 95% CI 20.20–18,435.79; p < 0.001), which was the strongest independent predictor over pathologic diagnosis and cytological diagnosis. In pathologically high-risk (pT4) patients, the PLF mutation profiling model exhibited a greater specificity of 91% and a positive predictive value of 88% while retaining a sensitivity of 100%. This approach may help in the postsurgical management of GC patients by detecting PD far before metastatic lesions grow to a significant size detectable by conventional methods such as MRI and CT scanning.


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