CTDNA
Clinical trials for CTDNA explained in plain language.
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Blood test may spot hidden breast cancer months before scans
Diagnosis Not yet recruitingThis study tests whether regular blood tests (ctDNA) can find triple-negative breast cancer recurrence earlier than standard follow-up. Thirty patients who had surgery for stage II or III TNBC will be randomly assigned to either standard care or standard care plus ctDNA testing e…
Matched conditions: CTDNA
Phase: NA • Sponsor: Sunnybrook Health Sciences Centre • Aim: Diagnosis
Last updated Jun 27, 2026 11:02 UTC
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Blood test could spot lingering cancer after colon surgery
Diagnosis Not yet recruitingThis study is testing a new blood test to find tiny amounts of cancer DNA left behind after surgery for stage III colorectal cancer. Researchers will collect blood and tumor samples from 229 patients and compare two methods of detecting this leftover DNA. The goal is to see which…
Matched conditions: CTDNA
Sponsor: Sun Yat-sen University • Aim: Diagnosis
Last updated Jun 27, 2026 08:00 UTC
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Blood test may predict stomach cancer return after surgery
Knowledge-focused Not yet recruitingThis study looks at whether a simple blood test can help doctors decide the best treatment after surgery for stomach or gastroesophageal junction cancer. About 32 people with stage III or IVA cancer will give blood samples before and after surgery to check for tumor DNA. The goal…
Matched conditions: CTDNA
Phase: PHASE2 • Sponsor: Fudan University • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:03 UTC