Observational study to investigate the correlations between the circulating tumor DNA and clinicopathological features of metastatic lesion - Observational study to investigate the correlations between the circulating tumor DNA and clinicopathological features of metastatic lesion

ational Research and Development Agency, National Cancer Center0 个研究点目标入组 100 人开始时间: 2021年10月1日最近更新: 2023年10月17日

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•Exclusion criteria for the prospective cohort 1. Active overlapping cancers noted at the time of curative resection. However, patients with a recurrence-free period of at least 5 years; those with basal cell carcinoma or spinous cell carcinoma of the skin that was eventually cured after receiving local treatment; and those with superficial bladder cancer, cervical cancer, carcinoma in situ, intramucosal cancer (that can be treated endoscopically), and nonmetastatic prostate cancer (that does not require systematic treatment) can be registered. 2. Pre-operative treatment (chemotherapy, radiation therapy, immunotherapy) is administered or planned prior to metastasis resection Exclusion criteria for the retrospective cohort 1. Active overlapping cancers noted at the time of curative resection. *However, patients with a recurrence-free period of at least 5 years or those with basal cell carcinoma or spinous cell carcinoma of the skin that was eventually cured by local treatment, superficial bladder cancer, cervical cancer, carcinoma in situ (that can be treated endoscopically), and nonmetastatic prostate cancer (that does not require systematic treatment) can be registered. 2. Pre-operative treatment (chemotherapy, radiation therapy, immunotherapy) was administered prior to the curative resection of metastases. **Adjuvant chemotherapy administered prior to the appearance of metastases is acceptable.

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