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Updated: Jun 25, 2025

Author Spotlight: Advancing Early Detection and Treatment of Gastrointestinal Tumors
Published on: February 16, 2024
State-of-the-Art Management of Colorectal Cancer: Treatment Advances and Innovation
Priyadarshini S Pathak1, Gloria Chan2, Dustin A Deming3,4,5
1Division of Hematology/Oncology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
Colorectal cancer (CRC) treatment is improving with precision medicine. Tumor sidedness and circulating tumor DNA analysis offer new ways to personalize care and improve patient outcomes.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Colorectal cancer (CRC) is a major global health concern.
- Tumor sidedness (primary tumor location) significantly impacts CRC prognosis and treatment.
- Molecular insights are crucial for understanding CRC heterogeneity.
Purpose of the Study:
- To explore the molecular underpinnings of colorectal cancer.
- To investigate the impact of tumor sidedness on CRC.
- To guide therapeutic decisions in precision medicine for CRC.
Main Methods:
- Molecular characterization of colorectal tumors.
- Analysis of tumor sidedness in metastatic CRC.
- Evaluation of circulating tumor DNA (ctDNA) as a biomarker.
Main Results:
- Tumor sidedness is a critical factor in CRC prognosis and treatment response.
- Molecular profiling enhances understanding of CRC heterogeneity.
- Circulating tumor DNA shows promise as a prognostic and predictive tool.
Conclusions:
- Precision medicine, guided by tumor sidedness and ctDNA, improves CRC patient outcomes.
- New therapeutic strategies are emerging for refractory metastatic CRC.
- Personalized approaches enhance quality of life for CRC patients.
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