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Brief Title: The Clinical Significance of Peripheral Blood T Lymphocyte PD-1 Expression and T Cell Subset Distribution.
Official Title: The Clinical Value of Peripheral Blood T Lymphocyte PD-1 Expression and T Cell Subset Distribution in the Immunotherapy of Advanced Primary HCC Patients.
Study ID: NCT06029829
Brief Summary: Providing more theoretical basis for the prediction of the efficacy of advanced HCC and helping select better advantaged population of HCC immunotherapy to maximize the benefits of patients By exploring the relationship between the changes of PD-1 expression in peripheral blood T lymphocytes and the clinical efficacy before and after the use of PD-1 / PD-L1 inhibitors.
Detailed Description: Exploring the expression of peripheral blood T lymphocyte PD-1 from an immunological perspective as a potential reference marker for selecting immunotherapy in advanced HCC patients, and elucidating the relationship between the level of peripheral blood T lymphocyte PD-1 expression and survival outcomes after receiving immunotherapy. Additionally, investigating whether there is consistency between the expression levels of PD-1 and PD-L1 and their impact on patients. Furthermore, exploring the correlation between the distribution of T cell subsets and the efficacy of immunotherapy to provide new theoretical evidence for the selection of target populations for immunotherapy and new clinical screening indicators for patient prognosis assessment.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Department of Medical Oncology, Central Hospital of Yichang City, the First Clinical Medical College of Three Gorges University, Yichang, Hubei, China