Nucleic acid from tumor tissues and serum SNPs

Analysis of predictive biomarker and analysis of correlations between toxicities and SNPs that can be related to pharmacokinetics, in trifluridine/tipiracil hydrochloride therapy for previously fluoropyrimidine-treated elderly patients with unresectable or recurrent colorectal cancer

Analysis of predictive biomarker and analysis of correlations between toxicities and SNPs that can be related to pharmacokinetics, in ramucirumab plus paclitaxel therapy for elderly patients with unresectable or recurrent gastric cancer