Exciting results from blood test for 50 cancers
Summary
A blood test developed by the company Grail can detect over 50 types of cancer by identifying bits of DNA from tumors in the blood. A study in North America showed that the test could find early-stage cancers, potentially improving treatment success. The test detected cancers that typically don't have routine screenings, but more research is necessary to confirm its impact on reducing cancer deaths.Key Facts
- The Galleri blood test can look for more than 50 types of cancer.
- In a trial involving 25,000 adults in the U.S. and Canada, the test detected cancer in participants with a high degree of accuracy.
- It detected early-stage cancers, which are easier to treat.
- Three-quarters of the cancers detected do not have existing screening programs, such as ovarian and liver cancer.
- The test accurately identified where the cancer started in 90% of cases.
- Results from a larger trial with 140,000 NHS patients in England are expected next year.
- Experts emphasize the need for more research to see if the test helps reduce cancer deaths.
- The NHS plans to expand the test if upcoming results are positive.
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