New blood test could detect deadly pancreatic cancer early, study finds

Credit: Unsplash+.

Pancreatic cancer is one of the most aggressive and challenging forms of cancer to treat. It often goes undetected until it reaches advanced stages, making it extremely difficult to save lives.

In the United States alone, over 50,500 people are expected to lose their lives to this disease this year. Early detection is crucial because it significantly improves the chances of survival.

A team of researchers from the United States, China, South Korea, and Japan has made significant progress by developing a blood test that has the potential to detect pancreatic cancer at an earlier, more treatable stage.

The Challenge of Pancreatic Cancer

Pancreatic cancer is notorious for its low survival rate, ranking as the third leading cause of cancer-related deaths, following lung and colon cancers.

Both the number of cases and deaths from pancreatic cancer continue to rise each year. One of the major reasons for the grim survival statistics is that most patients are diagnosed with the disease when it has already spread to other parts of their bodies.

The pancreas is situated deep within the abdomen, and pancreatic cancer typically does not cause noticeable symptoms during its early stages. This lack of early warning signs makes early detection an immense challenge.

The Urgent Need for Early Detection

The lack of effective methods for early detection of pancreatic cancer is a significant concern. Detecting the disease at an early stage, before it has a chance to spread, is crucial for offering effective treatment options.

Currently, only a small fraction of patients are diagnosed when surgery to remove the cancer is still an option.

The Potential of Circular RNA (circRNA) as Biomarkers

The research team focused on a unique genetic material called circular RNA (circRNA). Unlike other genetic materials, circRNA remains stable and can be detected in the bloodstream for extended periods.

Recent advancements in genetic sequencing technology have made it possible to precisely detect and analyze circRNA.

The researchers conducted an extensive study to identify circRNA-based biomarkers that could distinguish pancreatic cancer tumors from nearby normal tissues, especially in the early stages of the disease.

A Promising Blood-Based Test

The researchers identified five potential biomarkers and used them to create a blood-based panel test. This test, which is non-invasive and involves a simple blood sample, showed strong diagnostic accuracy.

Importantly, when these biomarkers were combined with CA 19-9, a cancer-related antigen, the test’s ability to predict pancreatic cancer improved significantly.

The Advantages of Liquid Biopsies

Traditional biopsies involve the removal of tissue samples, which can be invasive and uncomfortable for patients. In contrast, blood-based liquid biopsies offer several advantages. T

hey are non-invasive, meaning they don’t require surgery or painful procedures. Collecting a blood sample is a simple and routine process.

Moreover, liquid biopsies provide accurate results and can be a powerful tool for detecting various cancers, including pancreatic cancer, at an early stage.

The Future of Early Pancreatic Cancer Detection

The findings from this study represent a substantial step toward the early detection of pancreatic cancer. Early detection can significantly improve patient outcomes and survival rates.

The collaborative efforts of researchers from different institutions demonstrate the importance of working together to combat deadly diseases.


Pancreatic cancer is a formidable adversary, but the development of an effective blood test for early detection offers hope.

Detecting this aggressive cancer in its early stages would revolutionize patient care and potentially serve as a model for early-detection tests for other types of cancer.

This research demonstrates the power of interdisciplinary collaboration in the fight against deadly diseases.

While further research and testing are needed, this study holds promise for improving the early detection of pancreatic cancer and ultimately saving lives.

If you care about cancer, please read studies that mammograms over-diagnose 1 in 7 breast cancers in the U.S, and new way to increase the longevity of cancer survivors.

For more information about cancer, please see recent studies about sweeteners linked to increased cancer risk, and results showing new way to supercharge cancer-fighting T cells.

The research findings can be found in Gastroenterology.

Follow us on Twitter for more articles about this topic.

Copyright © 2023 Knowridge Science Report. All rights reserved.