Colorectal Cancer Recurrent

Colorectal cancer (CRC) remains one of the leading causes of cancer-related mortality worldwide. Although adjuvant chemotherapy improves survival after curative resection, its efficacy varies widely among patients. The absence of reliable predictive biomarkers often leads to overtreatment or undertreatment. This study aims to develop a machine learning-based predictive model for adjuvant chemotherapy response using tumor-derived alternative splicing signatures. By integrating RNA-seq data, splicing isoform and clinical outcomes, this study seeks to identify molecular predictors of treatment response and recurrence risk after surgery.

This study will develop an assay to predict disease recurrence in patients with stage II/III CRC after receiving adjuvant chemotherapy, using genome-wide DNA methylation.

The characteristics of the intestinal microbiota in high-risk colorectal polyp recurrence and their relationship with disease pathogenesis have not yet been fully elucidated. This study aims to analyze the microbial community characteristics in the intestinal mucosal tissue of patients after polypectomy with recurrence of colorectal polyps. Additionally, this research holds significant importance for understanding the etiology of adenoma recurrence and develop a microbiota and metabolite-based predicting tool.

This study is a single-arm, open-label, exploratory clinical trial. Building on the previous dose-escalation trial, this dose-expansion trial aims to evaluate the safety and tolerability of intravenous monotherapy with CD-GA-102 or its combination with immunotherapy and other systemic treatments in patients with unresectable locally advanced or metastatic colorectal cancer, and to preliminarily explore its efficacy in treating colorectal cancer.

The goal of this clinical trial is to demonstrate the non-inferiority of trifluridine/tipiracil + regorafenib vs trifluridine/tipiracil + bevacizumab in terms of progression free survival in patients with refractory metastatic colorectal cancer(mCRC) patients. It will also try to estimate the effect of trifluridine/tipiracil + regorafenib vs trifluridine/tipiracil + bevacizumab in terms of OS, ORR, and DCR in patients with refractory mCRC. Other secondary objectives are to compare the safety and tolerance, and the impact on QoL of trifluridine/tipiracil + regorafenib vs trifluridine/tipiracil + bevacizumab in patients with refractory mCRC.

This single-center, phase II clinical trial investigates the diagnostic efficacy of Ga-68-FAPI-46 PET scans in detecting colorectal cancer (CRC) recurrence during post-treatment surveillance, particularly in patients with elevated serum carcinoembryonic antigen (CEA). The study compares the sensitivity, specificity, and accuracy of Ga-68-FAPI-46 PET with the conventional F-18-FDG PET scans, aiming to enhance recurrence detection in CRC patients who underwent curative surgery. Thirty participants will be enrolled and monitored through imaging studies and clinical follow-up.

There is a huge variety of nucleotide substitutions that activate RAS. The search for new "universal" drugs for the RAS pathway that either interfere with RAS upregulation upstream in the signaling pathway or offset the consequences of RAS activation is important for improving therapeutic outcomes for patients with refractory malignancies. The use of leflunomide or the combination of MEK inhibitor + hydroxychloroquine ± bevacizumab is promising for patients with mutations in RAS cascade genes who have failed all existing treatment standards.