Development of a cfDNA 5mC/5hmC-based Biomarker Panel to Predict Targeted Therapy Efficacy in mCRC
Trial Parameters
Brief Summary
The EpiDRIVE study aims to identify cfDNA-based epigenetic determinants of response in metastatic colorectal cancer (mCRC) patients treated with EGFR- or VEGF-targeted therapy. By integrating 5-methylcytosine (5mC) and 5-hydroxymethylcytosine (5hmC) profiling, this study seeks to develop a predictive biomarker panel capable of differentiating responders from non-responders to targeted therapy.
Eligibility Criteria
Inclusion Criteria: * Histologically confirmed metastatic colorectal adenocarcinoma (mCRC). * Received EGFR-targeted therapy (cetuximab/panitumumab) or VEGF-targeted therapy (bevacizumab). * Availability of pre-treatment plasma sample for cfDNA analysis. * Documented radiologic response evaluation (RECIST 1.1). * RAS/BRAF mutation status known. Exclusion Criteria: * Inadequate cfDNA quality or low cfDNA yield. * Non-adenocarcinoma histology. * Concurrent or prior other active malignancy. * Active inflammatory or autoimmune disease affecting cfDNA methylation profiles.