Precision Medicine Advances in Colorectal Cancer Treatment Through Biomarker Testing
Precision medicine, also known as personalized medicine, is transforming cancer treatment by focusing on a tumor's unique molecular makeup rather than just its origin. This approach utilizes a patient's tumor biomarkers to guide diagnosis, treatment, and follow-up care. For colorectal cancer, biomarker testing is crucial because even tumors of the same type can differ significantly at the molecular level. These biomarkers, which include circulating tumor DNA (ctDNA), tumor location, and gene mutations, help medical teams select effective treatments, avoid those with severe side effects, and identify suitable clinical trials. Despite the critical role of biomarker testing, over 60% of colorectal cancer patients begin treatment before their results are available, leading to treatment decisions made without a complete understanding of the tumor's profile. The Global Colon Cancer Association emphasizes that waiting for these results, which typically takes one to three weeks, is essential for unlocking targeted...
