Blood test for tumor cells in certain early breast cancers
Part of Cancer, Skin clinical trials.
This trial looks at a blood test that may detect “circulating tumor cells” (cancer cells that can travel in the bloodstream) in people with a specific type of breast cancer. It may help doctors better track the disease and guide treatment for people whose tumors have certain hormone and growth-factor features.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Your breast cancer is hormone-positive (estrogen receptor at least 10% and progesterone receptor at least 10%) and HER2 negative
- Your tumor’s growth rate marker Ki-67 is under 20%
- There has been no spread to lymph nodes (no lymph node metastasis)
- You are able and willing to receive treatment (such as chemotherapy, radiation, and/or hormone therapy) based on standard guideline care
- You have not had cancer in other parts of your body before, and you have not had radiation to the chest
- You are not pregnant or breastfeeding
- Your breast cancer is not inflammatory and is not in both breasts
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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