Researchers found that a blood test called PanSeer detected cancer in 95% of patients up to 4 years before they got a conventional cancer diagnosis. The test determines if the DNA in blood plasma was shed by tumours based on precence of particular methyl groups.

Researchers say blood test can detect cancer years before symptoms

A blood test can pick up cancers up to four years before symptoms appear, researchers say, in the latest study to raise hopes of early detection.

A team led by researchers in China say the non-invasive blood test – called PanSeer – detects cancer in 95% of individuals who have no symptoms but later receive a diagnosis.

“We demonstrated that five types of cancer can be detected through a DNA methylation-based blood test up to four years before conventional diagnosis,” the team wrote in the journal Nature Communications.

They said the test was unlikely to be predicting cancer but rather picking up on cancerous growths that had not yet caused symptoms or been spotted by other methods.

Such tests, known as liquid biopsies, have … Continue Reading (4 minute read)

9 thoughts on “Researchers found that a blood test called PanSeer detected cancer in 95% of patients up to 4 years before they got a conventional cancer diagnosis. The test determines if the DNA in blood plasma was shed by tumours based on precence of particular methyl groups.”

  1. Leading_Entry_8776

    Interesting. Can they determine the typ of cancer from the blood test and are there pre-cancer treatments?

    /didn’t read the article

  2. SlamBrandis

    Wait till they develop PanSage

  3. ninety2two

    This can be groundbreaking, and I hope it really is.

  4. wallynext

    This is amazing new, however it’s still up for debate if early diagnosis don’t have any cons, as there surely are some good arguments, one being: a lot of people actually had cancerous cells but their bodies’ immune system got rid of them in time and efficiently and thus curing us of cancer, if we device highly sensitive diagnosis tools that can detect these types of cancer from only a handfull of cancerous cells (that our body can fight) we most certainly would use evasive treatment like chemo eventually doing more harm then good

  5. goomyman

    How many false negatives? This would be a huge deal for people who suddenly think they have cancer and got early harsh treatments before it’s detected. Maybe worth it?

  6. Old-Name-Too-Obvious

    And named after a Pokémon. You love to see it.

  7. eidolonaught

    Correctly flagged people without cancer 96% of the time, so it sounds like a 4% false positive rate. I don’t know how that compares to other common medical tests, but that could potentially be a huge number if something like this was to be deployed widely.

  8. Zorgogx

    So they didn’t test this on anyone who didn’t have cancer? So it seems like it could potentially have an incredibly high false positive rate, but otherwise this could have a lot of potential

  9. escobert

    I saw a (controversial) video of a Dr in Texas who claims to be able to cure most cancers with a peptide found in the urine of healthy people but not found in those who have cancer. He claims it’s like 99% effective but that FDA wont let him out of clinical trials and keeps trying to shut him down. I wonder if this has anything to do with that sort of research/work? I always assumed he was a quack just trying to scam people.

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