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Updated: Mar 29, 2026

Integration of Wet and Dry Bench Processes Optimizes Targeted Next-generation Sequencing of Low-quality and Low-quantity Tumor Biopsies
Published on: April 11, 2016
[Issues of Personalized Medicine from the Viewpoint of Laboratory Medicine]
Abstract:
Personalized medicine is expected to provide patients with safe and effective treatment compared to conventional medical care in which patients are treated based on the diagnosis and/or histology. In personalized medicine, patients are treated based on their genetic makeup and genetic characteristics of tumor tissues in the case of cancer chemotherapy. Genomic biomarker tests are used to molecularly characterize host and tumor tissues and stratify patients for the appropriate drugs. Drugs targeting the causative genetic changes have been developed along with companion diagnostics to test such genetic changes. In this paper, I introduce the technical guidance for companion diagnostics and related drugs issued by the Pharmaceutical and Medical Devices Agency of Japan, and discuss how to carry out a concordance study of diagnostic tests for the ALK fusion gene when new ALK inhibitors are approved. The regulations for companion diagnostics should be revised frequently to keep up with advances in this area.
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