Comparison of Next-Generation Sequencing and Polymerase Chain Reaction for Personalized Treatment-Related Genomic Status in Patients with Metastatic Colorectal Cancer
2022
Wei-Chih Su | Yi-Chen Tsai | Hsiang-Lin Tsai | Tsung-Kun Chang | Tzu-Chieh Yin | Ching-Wen Huang | Yen-Cheng Chen | Ching-Chun Li | Po-Jung Chen | Yun-Ru Liu | Tsung-Han Hsieh | Jaw-Yuan Wang
Personalized treatments based on the genetic profiles of tumors can simultaneously optimize efficacy and minimize toxicity, which is beneficial for improving patient outcomes. This study aimed to integrate gene alterations associated with predictive and prognostic outcomes in patients with metastatic colorectal cancer (mCRC) with polymerase chain reaction (PCR) and in-house next-generation sequencing (NGS) to detect <i>KRAS</i>, <i>NRAS</i>, and <i>BRAF</i> mutations. In the present study, 41 patients with mCRC were assessed between August 2017 and June 2019 at a single institution. The overall concordance between NGS and PCR results for detecting <i>KRAS</i>, <i>NRAS,</i> and <i>BRAF</i> mutations was considerably high (87.8–92.7%), with only 15 discrepant results between PCR and NGS. Our companion diagnostic test analyzes <i>KRAS</i>, <i>NRAS,</i> and <i>BRAF</i> as a panel of CRC molecular targets; therefore, it has the advantages of requiring fewer specimens and being more time and cost efficient than conventional testing for separate analyses, allowing for the simultaneous analysis of multiple genes.
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