What experience has anyone had with the Signatera blood test?

Posted by babab @babab, Aug 19, 2024

What experience has anyone had with the Signatera blood test. My results have been 0.13, 0.15, and now 0.17.

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Profile picture for jaxfl @jaxfl

Results published yesterday 2026-02-02: negative. Praise the Lord!

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@jaxfl Thank goodness!

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Results published yesterday 2026-02-02: negative. Praise the Lord!

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My 2026-01-15 signatera is still pending. Got a vague verbal statement that there is a retest. Then I was told this is uncommon but has no bearing on results. Results should be here today 2026-02-02 but nothing so far. I was also told there is a spike in tests (makes sense: huge revenue increase = more tests) and the winter storm wreaked havoc on the TX lab.

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@nancic, are you currently on treatment for recurrent bladder cancer? How are you doing?

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@colleenyoung Yes. They stopped immunotherapy (Keytruda and Padcev) as it had come back to two lymph nodes and two spots on liver. I did 5 doses of radiation on lymph nodes and now I am on Gemcitabine and Cistplatin until March. We will redo scans and if it is working, I will continue. If it isn't working I will look for trails. I am trying to stay hopeful. What is your status?

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Profile picture for nancic @nancic

I have had great success. It identified that my cancer had returned before it showed up in the scans. I get it done every 6 weeks.

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@nancic, are you currently on treatment for recurrent bladder cancer? How are you doing?

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Congratulations! I am awaiting my 2026-01-17 results. There is a delayed compared to last year. 2025 saw 6 to 7 days turnaround. 2025-11-20 was available on 2025-12-02. Which is 12 days. Unnecessary anxiety.

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Profile picture for nancic @nancic

I have had great success. It identified that my cancer had returned before it showed up in the scans. I get it done every 6 weeks.

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@nancic , my experience has been the same. In my case,original ct scans never showed that the cancer was locally advanced outside of the bladder. I switched from a NJ community hospital after a Turbt and a second opinion. My new team of doctors at a major NY teaching hospital made that determination. I have been a Signatera “fan” ever since. When my high risk/ aggressive cancer returned this spring after being undetectable for 1 year , it again was too small to show on a CT scan. My oncologist ordered a pet scan and started chemo again achieving another full response after 4 cycles. So far so good with latest Signatera on Jan 8 still undetectable.

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I’ve had several Signatera tests over the past two years. All came back clean - no cancer DNA in my blood. I also have regular cystoscopies and CT scans with contrast. All are likewise clear. As long as these results continue, my doctors will continue to monitor me and consider me cancer free.

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I have had great success. It identified that my cancer had returned before it showed up in the scans. I get it done every 6 weeks.

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