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Detection of CTC and ctDNA in the Diagnosis of Metastasis in Gastric Cancer

Application of the Detection of Circulating Tumor Cell and Circulating Tumor DNA in the Diagnosis of Metastasis in Gastric Cancer

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05208372
Acronym
CTC_ctDNA
Enrollment
200
Registered
2022-01-26
Start date
2022-01-01
Completion date
2024-01-31
Last updated
2022-01-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Metastasis, Stomach Neoplasms

Keywords

Diagnosis

Brief summary

To investigate the value of CTCs and ctDNA in the diagnosis of metastasis in ascites/peritoneal flushing fluid and blood; To investigate the influence of laparoscopic CO2 pneumoperitoneum establishment on peritoneal and hematogenous metastasis of advanced gastric cancer; To explore the influence of the number and type of CTCs and ctDNA on metastasis and prognosis.

Interventions

DIAGNOSTIC_TESTCTC test

Circulating tumor cells test of ascites and blood for patients with gastric cancer.

DIAGNOSTIC_TESTctDNA test

Circulating tumor DNA test of ascites and blood for patients with gastric cancer.

Sponsors

First Hospital of China Medical University
Lead SponsorOTHER

Study design

Observational model
CASE_CONTROL
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to 79 Years
Healthy volunteers
No

Inclusion criteria

1. Patients who sign informed consent. 2. Gastric cancer is determined by more than 2 pathologists. 3. Patients with Borrmann III/IV gastric cancer.

Exclusion criteria

1. Patients who complicate with other malignant tumors. 2. Patients who complicate with other serious heart and lung diseases. 3. Patients who receive preoperative neoadjuvant chemotherapy.

Design outcomes

Primary

MeasureTime frameDescription
Quantity of CTCs1 dayTo count the circulating tumor cells in ascites and blood.
Classification of CTCs1 dayTo classify the circulating tumor cells in ascites and blood.
Expression of ctDNA1 dayTo assess the expression of circulating tumor DNA in ascites and blood, including YAP1, LAMC1 and DDIT4.

Countries

China

Contacts

Primary ContactKai Li, MD
cmu1h_likai@163.com8613998245233

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026