Table 1. Prediction of EGFR Antibody Drug Efficacy Using Whole-Genome Methylation Status and the EpiLight Test.

From: Development of the World’s First In Vitro Cancer Epigenome Diagnostic through Biomarker Research for Personalized Cancer Treatment of RAS-wild-type Colorectal Cancer -Secondary Publication - Secondary Publication

Detection method for DNA methylation Treatment line Patient number DNA methylation status Response rate (%) P value PFS (M) P value OS (M) P value Multivariate analyses for PFS and OS
references
Bead Chip method 3rd-line 97 HMCC 3.7 0.01 2.3 <0.001 8.5 <0.001 Independent predictive factor
LMCC 37.9 6.6 20.9 5
1st -line 169 HMCC 53.3 0.017 5.7 0.004 31.1 0.019 Independent predictive factor
LMCC 81.8 13.1 51.4 6
EpiLight method 3rd-line 101 HMCC 4.2 <0.001 2.5 <0.001 6.6 <0.001 Independent predictive factor
LMCC 33.3 5.6 11.8 7
2nd-line 112 HMCC 0 0.02 1.4 <0.001 6.0 0.11* Independent predictive factor
LMCC 26.6 4.1 11.8 8
1st -line 137 HMCC 42.9 0.128* 4.0 <0.001 13.6 <0.001 Independent predictive factor
LMCC 71.2 14.3 42.7 9
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