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Genetic and Epigenetic Determinants of Response to Fluorouracil-based Adjuvant Chemotherapy in Patients With Stage III Colorectal Cancer
Sponsor: Renmin Hospital of Wuhan University
Summary
The goal of this laboratory research is to look for genetic and epigenetic markers that can predict which patients with stage III colorectal cancer will benefit from fluorouracil-based adjuvant chemotherapy.
Official title: The Identification, Validation and Implementation of Molecular Markers to Predict Response to Fluorouracil-based Adjuvant Chemotherapy in Stage III Colorectal Cancer Patients - Prospective Clinical Observational Study
Key Details
Gender
All
Age Range
18 Years - 70 Years
Study Type
OBSERVATIONAL
Enrollment
300
Start Date
2022-12-01
Completion Date
2026-12-31
Last Updated
2022-03-15
Healthy Volunteers
Yes
Conditions
Interventions
Gene mutations analysis
Genomic DNA extracted from paired fresh-frozen tumor and normal tissues is used for KRAS mutations, BRAF mutations, PIK3A mutations, and EGFR mutations, etc., by sequencing and for MSI analysis by PCR and capillary electrophoresis.
Gene methylation analysis
Genomic DNA extracted from paired fresh-frozen tumor and normal tissues is used for specific gene methylation or CIMP status analysis by MethyLight or bisulfite sequencing. Whole-genome bisulfite sequencing will be used to identify novel candidate set of predictive markers.
Gene expression analysis
RNA extracted from paired fresh-frozen tumor and normal tissues or serum is used for specific gene expression analysis by real-time reverse-transcription PCR (RT-qPCR). RNA-seq will be used to identify novel candidate set of predictive markers.
SNP analysis
Genomic DNA extracted from serum is used for specific SNP analysis by using sequencing. GWAS with SNPs array will be used to identify novel candidate set of predictive markers.
Protein expression analysis
Tissue microarray made from formalin-fixed paraffin-embedded (FFPE) paired tumor and normal tissues is used for specific protein expression analysis by immunohistochemistry staining.
Locations (1)
Department of Gastrointestinal Surgery II, Renmin Hospital of Wuhan University
Wuhan, Hubei, China