Using ctDNA to Determine Therapies for Lung Cancer

Titre officiel

From Liquid Biopsy to Cure: Using ctDNA Detection of Minimal Residual Disease to Identify Patients for Curative Therapy After Lung Cancer Resection


This is a study to look at whether the presence of circulating tumour DNA (ctDNA) in the blood can help to predict whether giving adjuvant treatment after surgery can decrease the chance of the cancer coming back in people with lung cancer.

Description de l'essai

Primary Outcome:

  • Relapse Free Survival
Secondary Outcome:
  • Rate of ctDNA clearance
  • Overall survival
  • Number of adverse events
For people who have early stage non-small cell lung cancer (NSCLC), the usual treatment is surgery. For many people, surgery is enough to get rid of all the cancer. However, for some people, there may be a little bit of cancer remaining. If there is some cancer left over, it may lead to the cancer regrowing. This is called relapse.

Many cancers shed little bits of their DNA (deoxyribonucleic acid, molecules that contain instructions for how cells develop and function) into the bloodstream. A blood test can be used to test for the amount of circulating tumour DNA (ctDNA). Some studies have shown that the presence of ctDNA in the blood may predict cancer recurrence.

The purpose of this research study is to see if adjuvant treatment (additional treatment given after primary treatment) can help decrease the risk of the cancer recurring in people with lung cancer who have ctDNA detected in their blood after surgery.

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