Study of Blood Tests to Analyze Tumor Markers in Cancer Patients

What this Trial Is About

Researchers are studying circulating tumor biomarkers in blood to improve cancer diagnosis, prognosis, and treatment monitoring. This research focuses on using blood tests as a less invasive alternative to tumor biopsies, which may help detect mutations and study resistance mechanisms. The study explores how medical interventions like chemotherapy, biopsies, or surgeries affect the release of these markers into the bloodstream. The study includes various patient groups with different types of cancers such as breast, lung, colon, glioma, and sarcoma. Participants undergo blood sampling at multiple key time points, including before treatment, during treatment cycles, follow-up visits, and at disease progression. Each cohort follows specific blood collection schedules tailored to their treatment type to assess tumor markers and related biological factors. Participants will provide blood samples at prescribed intervals depending on their cancer type and treatment plan. Researchers will analyze these samples to evaluate the feasibility of different tumor biomarker tests and their potential clinical utility. The study monitors patients over several years, assessing treatment responses, toxicities, and correlations between blood markers and disease progression to better understand biomarker roles in cancer management.

Analysis of Circulating Tumor Markers in Blood