Blood test could predict when breast cancer patients can safely stop treatment
NCT ID NCT06663787
First seen Jan 09, 2026 · Last updated May 22, 2026 · Updated 20 times
Summary
This study looks at using a personalized blood test (ctDNA) to detect tiny amounts of cancer DNA in 50 patients with HER2-positive metastatic breast cancer who have had a good response to anti-HER2 therapy for at least two years. The goal is to see if the test can help doctors decide whether to continue or stop maintenance treatment. This is an observational study, not a treatment trial, and aims to gather information for future treatment strategies.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Aichi Cancer Center
Nagoya, Aichi-ken, 4678601, Japan
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Nagoya City University
Nagoya, Aichi-ken, 4678601, Japan
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Natera
San Carlos, Texas, 94070, United States
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The Cancer Institute Hospital of Japanese Foundation for Cancer Research
Tokyo, Tokyo, 135-8550, Japan
Conditions
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