Clinical trials
ctDNA clinical trials
Below are recruiting ctdna clinical trials, each written for real people, not researchers. We’re tracking 187 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06970912RecruitingPhase 2
ctDNA-Guided Reduced Chemo in HR+/HER2- Breast Cancer
This study is testing whether using a ctDNA blood test can help doctors decide if patients with hormone receptor-positive, HER2-negative breast cancer can safely receive less intensive chemotherapy after surgery. The goal is to reduce side effects while still preventing the cancer from coming back.
Beijing, Beijing MunicipalityAges 18–75 - NCT07001085Recruiting
Blood test to monitor liver cancer after surgery
This study uses a simple blood test to monitor tiny pieces of tumor DNA (ctDNA) in people with colorectal cancer that spread to the liver or with liver cancer (HCC), before and after liver surgery or transplant. It aims to help doctors detect cancer return earlier and guide treatment.
Warsaw, Masovian VoivodeshipAges 18–75 - NCT07142226Recruiting
Liquid biopsy for advanced bile duct cancer
This trial uses a blood test called ctDNA to look at the genetic makeup of your cancer. It aims to learn more about bile duct cancer and may help guide your treatment choices.
Seongnam-si, Gyeonggi-doAges 19 years+ - NCT07283575Recruiting
Blood test to monitor metastatic colorectal cancer treatment (PROMET)
This study is testing whether a blood test that looks for tiny bits of tumor DNA (ctDNA methylation) can help monitor how well treatment is working in people with colorectal cancer that has spread. If you are getting radiation and chemotherapy (with or without an immunotherapy drug), this trial may help your doctor see if the treatment is working sooner.
ShanghaiAges 18–75 - NCT05512364RecruitingPhase 3
Elacestrant for ER-positive, HER2-negative breast cancer with ctDNA relapse
This trial tests whether elacestrant can help stop or delay breast cancer coming back in people whose blood test shows “ctDNA relapse” after early breast cancer treatment. It’s meant for hormone receptor–positive, HER2-negative breast cancer patients who are already taking hormone (endocrine) therapy and have no visible spread on scans.
AnderlechtAges 18 years+ - NCT05778253Recruiting
Blood and AI pathology to guide treatment in resectable lung cancer
This study checks whether special blood testing plus computer-based review of tumor slides can help plan care for lung squamous cell cancer that can be removed by surgery. It looks at patients who have not had prior cancer treatment and who meet specific stage and health criteria.
Changsha, HunanAges 18–75 - NCT07096362RecruitingPhase 2
Using a blood test to guide treatment for advanced pancreatic cancer
This trial tests whether a blood test that detects tumor DNA can help doctors decide early if the standard chemotherapy is working, and if switching treatment might be better. It is for people newly diagnosed with metastatic pancreatic cancer who are starting their first chemotherapy.
Miami, FloridaAges 18 years+ - NCT05788744Recruiting
Testing DNA-based blood tests in early pancreatic cancer
This study looks at DNA signals from blood tests (so-called “ctDNA” and another type of DNA test) in people with early-stage pancreatic cancer. It aims to see whether these tests can help track cancer after surgery and check for signs of return.
AalborgAges Any age - NCT04920032RecruitingPhase 1
Blood test–guided extra treatment for colon cancer recurrence risk
This Phase 1 study uses a blood test called ctDNA to decide whether and how to adjust treatment in people with colon cancer who still have a small amount of disease left after surgery. If your blood test remains positive, the trial aims to reduce recurrence risk by guiding treatment changes.
Orange, CaliforniaAges 18 years+ - NCT07270666Recruiting
ctDNA test for guiding endometrial cancer treatment decisions
This trial tests whether a blood test for ctDNA (cancer DNA fragments) can help doctors decide if standard chemotherapy plus an immunotherapy drug is working for people with advanced or recurrent endometrial cancer. It may help tailor your treatment based on how the cancer responds.
Basking Ridge, New JerseyAges 18 years+ - NCT04966663RecruitingPhase 2
Using blood DNA tests to guide lung cancer treatment
This study uses a blood test called ctDNA to look for leftover lung cancer after surgery. Based on that result, the trial will help decide which treatment approach is best for you and may catch cancer returning earlier.
Toronto, OntarioAges 18 years+ - NCT05198154Recruiting
Blood test to watch lung cancer risk after immunotherapy
This trial uses a special blood test to look for tiny cancer DNA to estimate your risk of the cancer getting worse after first immunotherapy. It aims to help doctors monitor progression earlier and more accurately in advanced lung cancer.
Changsha, HunanAges 18 years+ - NCT05307939RecruitingPhase 2
Using tumor DNA tests to time treatment for HPV throat cancer
This study checks a blood test that looks for HPV tumor DNA to help doctors decide when to start routine treatment after surgery. It may help some people avoid starting treatment too early or too late based on how the test changes after the operation.
Miami, FloridaAges 18 years+ - NCT05497531Recruiting
Test blood DNA to help guide liver and pancreas biopsies
This pilot study checks whether a special blood test (ctDNA) can detect cancer signals and work as well as another sample method during biopsies for liver, bile duct, or pancreatic cancers. It may help doctors choose the best way to confirm the diagnosis from biopsy samples.
Orange, CaliforniaAges 18 years+ - NCT06111807Recruiting
Validating blood tests for stage III lung cancer
This trial is testing whether new blood tests can reliably detect and monitor stage III non-small cell lung cancer (NSCLC). It hopes to improve how doctors track your cancer and decide on treatment.
Nice, NiceAges 18 years+ - NCT06358222Recruiting
Lung cancer trial testing blood test and PET scan for spread
This trial studies if a blood test that looks for tumor DNA combined with a PET-CT scan can better predict if lung cancer has spread to lymph nodes. It may help guide treatment decisions for people with non-small cell lung cancer that hasn't been treated yet.
ShanghaiAges 18–75 - NCT06479460Recruiting
Blood test monitoring during chemo before surgery for HER2-positive breast cancer
This trial tests whether a blood test (ctDNA) can help doctors monitor how well chemotherapy before surgery is working in women with HER2-positive breast cancer. It aims to see if changes in the blood can predict treatment success.
Nanjing, JiangsuAges 18–75 - NCT06562348RecruitingPhase 2
ctDNA monitoring test for metastatic GI cancer treatment
This trial tests whether using a ctDNA blood test along with standard CT scans can help guide treatment decisions for people with incurable metastatic gastrointestinal cancer. It may help doctors decide sooner whether a treatment is working.
AarhusAges 18 years+ - NCT06640283RecruitingPhase 2
Circulating tumor DNA monitoring for cervical and anal cancer
This trial uses a blood test to track tumor DNA in patients with HPV-related cervical or anal cancer. It aims to see if this test can detect early signs of recurrence after radiation therapy, helping guide follow-up care.
São PauloAges 18 years+ - NCT06682130RecruitingPhase 2
Glofitamab before stem cell transplant for relapsed DLBCL
This study tests a drug called glofitamab before a stem cell transplant for people whose DLBCL has come back or not responded after at least two prior treatments. The goal is to see if this combination can help control the lymphoma before the transplant.
Suzhou, JiangsuAges 18–70 - NCT06716580Recruiting
Lung cancer screening for Asian and Latinx communities
This study uses a blood test to look for signs of lung cancer in people who have never smoked or smoked very little. It focuses on Asian and Latinx communities because certain gene changes are more common in these groups.
Boston, MassachusettsAges 40–80 - NCT06736613RecruitingPhase 2
Blood test for tumor DNA in high-risk B-cell lymphoma
This trial uses a blood test to look for tumor DNA in people with high-risk B-cell lymphoma, to help predict if the lymphoma might spread to the brain or spinal cord. It may help doctors decide on extra treatments to prevent that spread.
Basking Ridge, New JerseyAges 18 years+ - NCT06792786Recruiting
Study of Chemo-Immunotherapy and Radiation for Esophageal Cancer with Blood Monitoring
This study tests a combination of chemotherapy, immunotherapy, and radiation for esophageal cancer that cannot be surgically removed. It also uses a simple blood test (ctDNA) to monitor your cancer's response throughout treatment.
Jinhua, ZhejiangAges 18–75 - NCT06902272RecruitingPhase 2
Blood test to predict chemo-immunotherapy response in lung cancer
This trial tests whether a blood test (ctDNA) can help predict how well a combination of chemotherapy and immunotherapy (and sometimes radiation) works before surgery for non-small cell lung cancer. It aims to see if the blood test can detect small amounts of remaining cancer to guide further treatment.
Miami, FloridaAges 18 years+
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Common questions
- Are there clinical trials for ctdna?
- Yes. Clin2 currently lists 187 recruiting ctdna studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a ctdna trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a ctdna trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.