Circulating Tumor Cell Detection in Hepatocellular Carcinoma

Status Completed

Clinical Trial Summary

The investigators examined circulating tumor cells (CTC) in the perioperative peripheral blood of hundreds of HCC patients undergoing liver cancer surgery using CellSearch technology between 2013 and 2016. Although the investigators have done a preliminary study of the above data and published some results, the previous study was only a basic analysis. Now the investigators plan to carry out further in-depth analysis of these data, including hospitalization data, follow-up results, surgical tumors and blood specimens, and make full use of biostatistics, molecular biology, pathology and other related techniques to elucidate the association between the levels of CTC or CTC clusters and patients' disease during the perioperative period, and to explore the molecular basis of CTC production in hepatocellular carcinoma.

Clinical Trial Description

From 2013 to 2016, CellSearch technology was used to detect the number of circulating tumor cells (CTC) in peripheral blood of hundreds of HCC patients undergoing liver cancer surgery during perioperative period. The analysis results confirmed that the level of CTC before and after surgery were significantly correlated with overall survival (OS) and disease-free survival (DFS) of patients. CTC level changed before and after surgery, but there was no statistical difference. Preoperative CTC was more correlated with patients' disease-related clinical parameters, while postoperative CTC was an independent prognostic indicator of patients after surgery. In addition, the investigators' study found that CTC clusters level can be a new marker of tumor progression in HCC patients. Based on the above data, the investigators will perform retrospective analysis to compare the relationship between CTC level and clinical indicators of HCC patients. Participants were divided into groups according to pathological type, differentiation degree, clinical stage, invasion degree, recurrence and metastasis of tumors. Combined with immunohistochemistry and quantitative PCR results, the correlation of CTC in tumor genesis, pathological model, degree of differentiation, tumor stage, invasion, metastasis and expression of other tumor markers was studied. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05297955
Study type	Observational
Source	Tongji Hospital
Contact
Status	Completed
Phase
Start date	November 1, 2013
Completion date	March 15, 2022

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.