Locally Advanced Rectal Cancer Clinical Trial
Official title:
Total Neoadjuvant Chemoradiotherapy Plus Anti-PD-1 in Subperitoneal High-Risk or Very High-Risk Patients With Locally Advanced Rectal Cancer: A Prospective, Single Arm, Exploratory Study
Previously, preliminary results, from a subgroup analysis of STARS-RC03 (NCT04906044) conducted by our research team, showed that the 6-cycles consolidation chemotherapy combining with anti-PD-1 therapy had a better tumor regression advantage with a restricted safety profile contrasted with 3-cycle counterparts. Herein, we designed this study to further evaluate the short-term efficacy (such as pCR rate, R0 resection rate, etc.) and long-term survival (including DFS, OS, etc.) of 6-cycles consolidation therapy.
The combination of total neoadjuvant treatment (TNT) and immunotherapy has shown a significant improvement in the pCR rate compared to the standard of care (SOC) or TNT alone for pMMR LARC. On this basis, we believe that this treatment mode will offers the opportunity of organ preservation for subperitoneal "Bad" or "Advanced" patients with LARC, who are initially assessed as unresectable or difficult to obtain R0 resection. Previously, preliminary results, from a subgroup analysis of STARS-RC03 (NCT04906044) conducted by our research team, showed that the 6-cycles consolidation chemotherapy combining with anti-PD-1 therapy had a better tumor regression advantage with a restricted safety profile contrasted with 3-cycle counterparts. Herein, we designed this study to further evaluate the short-term efficacy (such as pCR rate, R0 resection rate, etc.) and long-term survival (including DFS, OS, etc.) of 6-cycles consolidation therapy. ;
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