Recruiting A Multicenter, Randomized Controlled Phase II Study of Short-Course Radiotherapy Followed by Sequential PD-1 Inhibitor and FOLFOX Chemotherapy Versus Long-Course Chemoradiotherapy for High-Risk Locally Advanced pMMR/MSS Lower Rectal Adenocarcinoma (STAR Trial) NCT07669220 Conditions Colorectal Neoplasms, Digestive System Diseases, Digestive System Neoplasms, +13 more Locations The Sixth Affiliated Hospital of Sun Yat-sen University — Guangzhou, China View Trial Details