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A prospective study on the changes and clinical significance of pre-operative and post-operative circulating tumor cells in resectable gastric cancer

Overview of attention for article published in Journal of Translational Medicine, June 2018
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Title
A prospective study on the changes and clinical significance of pre-operative and post-operative circulating tumor cells in resectable gastric cancer
Published in
Journal of Translational Medicine, June 2018
DOI 10.1186/s12967-018-1544-1
Pubmed ID
Authors

Qiyue Zhang, Fei Shan, Ziyu Li, Jing Gao, Yilin Li, Lin Shen, Jiafu Ji, Ming Lu

Abstract

Circulating tumor cells (CTCs) have been suggested as potential prognostic indicators for multiple tumors, including gastric cancer; however, pre- and post-operative CTC changes in resectable gastric cancer and possible correlations to post-operative recurrence have not been evaluated. Subjects (n = 93) with resectable gastric cancer were prospectively reviewed from July 2013 to December 2014 at Peking University Cancer Hospital. The proportion of CTCs were evaluated before (n = 93) and after (n = 63) radical operation using a standardized CellSearch system. CTCs ≥ 1 were measured in the pre-operative blood of 31 (33.3%) patients and in the post-operative blood of 21 patients (33.3%). Patients with relatively poor clinicopathological features had more pre- and post-operative CTCs. The 3-year disease-free survival (DFS) rate for patients with CTCs ≥ 5/7.5 ml was significantly lower than for patients with CTCs < 5/7.5 ml (40.0% vs 66.4%, p < 0.001 for pre-surgery; 25.0% vs 62.2%, p < 0.001 for post-surgery). Patients with CTCs ≥ 5/7.5 ml in post-operative blood had significantly shorter mean DFS (1.28 vs 31.6 months; p = 0.002) and overall survival (OS; 10.0 vs 34.9 months; p = 0.001) than other patients. Among the 10 patients with hematogenous recurrence, 3 had post-operative CTCs ≥ 2/7.5 ml and had early recurrence (DFS 1.1, 1.1, 1.4 months). Moreover, DFS for the seven patients was 20.2, 11.9, 20.0, 6.0, 15.5, 25.9, 30.0 months, respectively. DFS for the three patients with increased CTCs after surgery was shorter than for patients with mildly increased, stable, or decreased CTCs. Pre- and post-operative CTCs are promising prognostic markers for resectable gastric cancer. Our study further suggests that increased post-operative CTCs may be correlated with hematogenous recurrence. Trial registration (ClinicalTrials.gov Identifier: NCT01848015). Registered 7 May 2013. https://clinicaltrials.gov/ct2/show/NCT01848015.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 29 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 29 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 5 17%
Researcher 4 14%
Student > Bachelor 4 14%
Student > Master 2 7%
Lecturer > Senior Lecturer 1 3%
Other 2 7%
Unknown 11 38%
Readers by discipline Count As %
Medicine and Dentistry 8 28%
Biochemistry, Genetics and Molecular Biology 2 7%
Agricultural and Biological Sciences 2 7%
Nursing and Health Professions 1 3%
Computer Science 1 3%
Other 3 10%
Unknown 12 41%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 June 2018.
All research outputs
#20,522,137
of 23,090,520 outputs
Outputs from Journal of Translational Medicine
#3,357
of 4,051 outputs
Outputs of similar age
#287,398
of 328,081 outputs
Outputs of similar age from Journal of Translational Medicine
#63
of 99 outputs
Altmetric has tracked 23,090,520 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,051 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.6. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 99 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.