New diagnostic methods for pancreatic cancer using portal vein blood

Establish a Diagnostic Model Based on Multiple Molecule Profiling and Certain Established Markers for Identification of Pancreatic Cancer

Observational Changhai Hospital · NCT04536220

This study is testing new ways to diagnose pancreatic cancer using blood samples from the portal vein to see if it can help doctors find cancer earlier and more accurately.

Quick facts

Study typeObservational
Enrollment300 (estimated)
Ages18 Years to 80 Years
SexAll
SponsorChanghai Hospital Academic / other
Locations1 site (Shanghai, Shanghai Municipality)
Trial IDNCT04536220 on ClinicalTrials.gov

What this trial studies

This study aims to explore innovative diagnostic markers derived from portal venous blood samples to enhance the identification of malignant pancreatic masses. By utilizing endoscopic ultrasound to collect blood from the portal vein, the study seeks to leverage advanced techniques such as ctDNA analysis, metabolomics, and exosome profiling to improve diagnostic accuracy. The goal is to address the limitations of current diagnostic methods, which often lead to missed diagnoses and delayed treatment. This approach is designed to provide a less invasive and more informative means of diagnosing pancreatic cancer.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18-75 with a diagnosis or suspicion of a solid pancreatic mass larger than 1 cm.

Not a fit: Patients with pancreatic cystic lesions or those unable to provide informed consent may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could significantly improve the early and accurate diagnosis of pancreatic cancer, leading to better patient outcomes.

How similar studies have performed: While the use of portal vein blood for diagnostic purposes is a novel approach, similar studies have shown promise in enhancing diagnostic accuracy for other conditions.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. age 18-75 years,male or female
2. diagnosis or suspection of solid pancreatic mass based on previous imaging examination (ultrasonography, CT or MRI)
3. lesion diameter larger than 1 cm
4. signed informed consent letter

Exclusion Criteria:

1. pregnant female
2. Pancreatic cystic lesions
3. Anticoagulant/antiplatelet therapy cannot be suspended
4. unable or refuse to provide informed consent
5. Coagulopathy (platelet count \< 50× 103/μL,international normalized ratio \> 1.5)
6. Severe cardiopulmonary dysfunction that cannot tolerate intravenous anesthesia
7. with history of mental disease
8. other medical conditions that are not suitable for EUS-FNA

Where this trial is running

Shanghai, Shanghai Municipality

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Diagnoses Diseasediagnosis and pancreatic cancer
Last reviewed 2026-06-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.