Early Diagnosis of Pancreatic Cancer Duodenal Fluid-Based Biomarker Exploratory Study

Inclusion Criteria

• •Among the patients requiring gastro-duodenal endoscopy, endoscopic ultrasound, or ERCP for medical purposes, the pancreatic cancer group should meet the criteria numbered 1, 2, and either 3 or 4.
• •1. Be at least 19 years old.
• •2. Have completed the informed consent for planned upper endoscopy, endoscopic ultrasound, or endoscopic retrograde cholangiopancreatography before the duodenal fluid collection.
• •3. A biopsy with proven stage I-IV pancreatic ductal adenocarcinoma (PDAC).
• •4. Suspected pancreatic cancer on imaging and scheduled for an endoscopic ultrasound-guided pancreatic biopsy.
• •The non-pancreatic cancer group should meet the criteria numbered 1, 2, and either 3 or 4.
• •1. Be at least 19 years old.
• •2. Have completed the informed consent for planned upper endoscopy, endoscopic ultrasound, or endoscopic retrograde cholangiopancreatography before the duodenal fluid collection.
• •3. Patients with pancreatic cystic tumors or patients with acute or chronic pancreatitis.
• •4. No evidence of a pancreatic disease.