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125I Seeds Implantation clinical trials

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NCT ID: NCT04710589 Recruiting - Clinical trials for Recurrent Rectal Cancer

CTV Exploration of 3D-PT Assisted CT-guided I-125 Seeds Implantation for Recurrent Rectal Cancer

Start date: January 1, 2020
Phase:
Study type: Observational

This study is to explore the progression-free survival time (PFS) , overall survival time (OS), quality of life and side effects between two different clinical target volumes in the treatment of 3D printing template-assisted CT-guided radioactive iodine-125 seeds implantation for recurrent rectal cancer after surgery and radiotherapy and investigate the clinical and dosimetric prognosis factors for outcomes.