Blood test to guide treatment after rectal cancer surgery
Part of Cancer, Digestive system clinical trials.
This study uses a simple blood test (called MRD) after surgery to see if any tiny bits of cancer DNA are left. It helps doctors decide whether extra chemotherapy is needed or if it can be safely skipped, and it may reduce unnecessary side effects.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are between 18 and 80 years old.
- You have a type of rectal cancer called adenocarcinoma, confirmed by biopsy.
- The cancer has spread to nearby lymph nodes but not to distant organs (stage III).
- The tumor is located within 10 cm from the anal opening.
- You have not yet received chemotherapy, radiation, or targeted therapy for this cancer.
- You are able to have surgery to remove the tumor and you are in generally good health (able to care for yourself).
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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