We found that new blood tests were detected Colon cancer With more than 80% accuracy, and for 90% of healthy people, it excludes it.
The results were presented at the 2025 American Society of Clinical Oncology Gastrointestinal Cancer Symposium in San Francisco late last month.
It was also featured in the Journal of Clinical Oncology.
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In this study, over 27,000 adults between the ages of 45 and 85 had blood samples before undergoing colonoscopy and screening. Signs of cancer. Participants were registered between May 2020 and April 2022.
New blood tests have been found to detect colon cancer with an accuracy of over 80% and rule it out for 90% of healthy people. (istock)
The researchers tested blood samples for “molecular signals of advanced colorectal cell changes” and compared their results with colonoscopy findings.
The researchers found that the sensitivity of the test, or its success rate in detecting existing colon cancer, was 81.1%.
The specificity of the test, the share of participants who did not suffer from colon cancer and were negative for it, was 90.4%.
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“Additional colorectal cancer screening tests are needed that are convenient, safe, safe and easy to complete,” says Aasma Shaukat, MD, Principal Research Authority of the NYU Grossman School of Medicine, who is also involved in the American Society of Clinical Oncology (ASCO). It stated in a press release.
“To date, we only had stool-based testing and colonoscopy or micromagnetoscopy (stool-based). Blood tests may improve colorectal cancer. Screening rate. ”
Colorectal cancer is the fourth most common cancer in the United States and the second most common type, according to the Colorectal Cancer Union. (istock)
Pamela Kunz, MD, Yale School of Medicine, noted that experimental blood tests represent a “new tool in the toolbox” of screening options for colon cancer.
“This study may evaluate blood-based screening for colorectal cancer and provide a convenient and effective option for colorectal cancer screening in the US population at average risk,” he said. Kunz, who did not, said in the same press release.
“Blood tests may improve colorectal cancer screening rates.”
Pashtoon Kasi, MD, Medical Director of Gastroenterological Medical Oncology in Hope Orange County, California, was not involved in the study, but these types of blood tests, also known as “liquid biopsies,” were not involved in the study. “We are innovating cancer treatments.”
“This is a simple blood test that sees the various components of a cancer or tumor that is being passed through the bloodstream. So it’s the term “liquid biopsy,” Kasi told Fox News Digital.
The expansion of screening options is particularly important given the trend of increasingly diagnosed with colon cancer among those under the age of 50. (istock)
Several different types of these blood tests have already expanded into clinical practice, doctors noted.
“There are some of these cancer-specific ones, and are aimed at early detection of colon and rectal cancers. Other fluid biopsy tests are called multicancer early detection tests (MCEDs). He I said.
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The doctor said blood tests should not be used in place of colonoscopy.
“Colonoscopy may prevent colon cancer through detection and removal of polyps and the non-cancerous growth of the intestinal lining that can lead to cancer,” Kashi said.
“Blood tests are designed to detect cancer rather than prevent it.”
If cancer is detected during a blood test, additional tests, such as colonoscopy, will need to be performed, he added.
“Like most cancers, early detection of colon cancer is usually normal. Better results“Kashi said: “Typically, colon cancer can be slow to grow and can be asymptomatic at the early stages.”
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According to Kasi, studies show that at least a third of them have not been screened for colon cancer.
“We know that colonoscopy usually brings back unpleasant thoughts of intestinal preparation, liquid diet and embarrassment, so it’s not surprising that blood screening tests offer greater appeal.” he said. Changer: Improved screening rates.
“Colorectal cancer is particularly steep, as by 2030 it will be a major cause of cancer deaths in young adults in the United States,” the oncologist warned. (istock)
The expansion of screening options is particularly important given the trend of increasingly diagnosed with colon cancer among those under the age of 50.
“Colorectal cancer is particularly steep, as by 2030 it will be a major cause of cancer deaths in young adults in the United States,” warned Kashi.
“Blood tests are designed to detect cancer rather than prevent it.”
“It’s essential Expand your research In this area, there are diagnostic tests available for young demographics. ”
Colorectal cancer is the fourth most common cancer in the United States and the second most common type, according to the Colorectal Cancer Union.
Blood tests should not be used in place of colonoscopy. Colonoscopy continues to be the “gold standard” for colon cancer screening, doctors say. (istock)
They noted that in the future, researchers will continue to study the long-term effects of colorectal blood tests.
“When blood-based tests are approved by regulatory agencies, Medicare and other payers, the test will be available for clinical use,” lead study author Shaucut told Fox News Digital .
Blood-based testing is an option for 45-85 men and women at an average risk of colon cancer and screening is performed, doctors noted.
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“If you have a high-risk family history or other medical conditions that increase your risk of colon cancer, this test is not an option,” he said. “Also, if the test is positive, a colonoscopy is required to evaluate colon polyps or colon cancer.”
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Researchers recommend that patients speak With the provider Choose the best colorectal cancer screening options, such as cancer tests, blood tests, and colonoscopy during the stool.
No funding was received for the investigation, the release said.
