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Brief Title: Exploratory Study on the Therapeutic Effect Prediction Model of Advanced BTC Immunotherapy
Official Title: Exploratory Study on the Therapeutic Effect Prediction Model of Immune Checkpoint Inhibitors for Advanced Biliary Tract Cancer
Study ID: NCT06074029
Brief Summary: 1. Establish a predictive model for the efficacy of immune checkpoint inhibitors (ICI) in Chinese patients with biliary tract cancers. By analyzing the dynamic changes of circulating tumor DNA (ctDNA) and other clinical and pathological features before and after ICI treatment in a cohort of patients with biliary tract tumors, a predictive model can be established to evaluate the efficacy of ICI treatment in the early stages or even before treatment, serving as a reliable tool for selecting patients who are likely to benefit from ICI treatment. 2. Investigate the clinical features of populations that benefit from different immune combination therapies. By comparing the differences and enrichment of mutations between patients receiving different treatment regimens, and if patients have sufficient pre-treatment tissue, further comparisons of differentially expressed genes and pathways may be made.
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Chinese Academy of Medical Sciences & Peking Union Medical College Hospital (CAMS&PUMCH), Beijing, Beijing, China