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Study identifier: NCT05731726 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Serplulimab Combined With CAPEOX + Celecoxib as Neoadjuvant Treatment for Locally Advanced Rectal Cancer

Condition: pMMR · MSS · MSI-L  ·  Sponsor: Zhejiang University

PhasePhase 2
Planned participants50
Who can joinAll sexes, 18 Years to 75 Years
Healthy volunteersNo

About this study

Colorectal cancer of Mismatch Repair-proficient (pMMR)/ Microsatellite Stability (MSS) accounts for approximately 85% of all colorectal cancer patients, which might be insensitive to immunotherapy. Immunotherapy with monoclonal antibodies, such as pembrolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Chemotherapy, such as CAPEOX regimen, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Celecoxib, a COX-2 inhibitor, can improve the immune microenvironment and have a potential to synergy with immunotherapy. Chemotherapy can improve the immunogenicity of cancer cells that might enhance the efficacy of immunotherapy. The aim of this study is to explore whether chemotherapy and cyclooxygenase (COX) inhibitors combined with anti-PD-1 monoclonal antibody (mAb) could improve efficacy for resectable colorectal cancer patient with the pMMR/MSS phenotype.

This description comes directly from the study's public registry record.

Talk to the study team

Kefeng Ding, doctor  ·  +86 13588425440  ·  dingkefeng@zju.edu.cn

Always discuss trial participation with your own doctor first.

Locations (1)

Second Affiliated Hospital School of Medicine Zhejiang UniversityHangzhou, Zhejiang, ChinaRecruiting

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Source record: clinicaltrials.gov/study/NCT05731726