Related Experiment Video
Updated: Aug 19, 2026

Development and Maintenance of a Preclinical Patient Derived Tumor Xenograft Model for the Investigation of Novel Anti-Cancer Therapies
Published on: September 30, 2016
Epidermal growth factor receptor inhibitors and colorectal cancer
Jeffrey A Meyerhardt1, Charles S Fuchs
1Dana-Farber Cancer Institute, Brigham and Women's Hospital Boston, Massachusetts 02115, USA. jmeyerhardt@partners.org
Abstract:
The epidermal growth factor receptor (EGFR) plays an important role in cell growth, differentiation, and survival. Targeting EGFR in patients with colorectal cancer has become an important therapeutic tool. Recently, a monoclonal antibody against the extracellular domain of the receptor (cetuximab [Erbitux]) has been approved for the treatment of patients with EGFR-positive metastatic disease refractory to irinotecan (Camptosar)-based therapy. The role of other targeted agents against EGFR, including other monoclonal antibodies as well as inhibitors of the intracellular tyrosine kinase domain, will also be discussed.
Insights
Targeting epidermal growth factor receptor (EGFR) is crucial for colorectal cancer treatment. Cetuximab, an EGFR-targeting monoclonal antibody, is approved for metastatic disease refractory to irinotecan.
Area of Science:
- Oncology
- Molecular Biology
- Pharmacology
Background:
- Epidermal growth factor receptor (EGFR) is vital for cell growth, differentiation, and survival.
- Targeting EGFR is a key therapeutic strategy in colorectal cancer (CRC).
Purpose of the Study:
- To discuss the role of targeted agents against EGFR in colorectal cancer treatment.
- To review the efficacy of cetuximab, a monoclonal antibody targeting EGFR.
- To explore other targeted agents, including monoclonal antibodies and tyrosine kinase inhibitors.
Main Methods:
- Review of existing literature on EGFR-targeted therapies in colorectal cancer.
- Analysis of clinical data for cetuximab in metastatic colorectal cancer.
- Discussion of the mechanisms of action for various EGFR inhibitors.
Main Results:
- Cetuximab (Erbitux) is approved for EGFR-positive metastatic colorectal cancer refractory to irinotecan (Camptosar).
- EGFR-targeted therapies represent an important advancement in colorectal cancer treatment.
- Ongoing research explores additional monoclonal antibodies and tyrosine kinase inhibitors targeting EGFR.
Conclusions:
- Targeted therapy against EGFR, exemplified by cetuximab, offers a valuable treatment option for specific colorectal cancer patient populations.
- Further investigation into diverse EGFR-targeting agents is warranted to optimize colorectal cancer management.
- Personalized medicine approaches focusing on EGFR status are critical for effective colorectal cancer therapy.
Related Concept Videos
Mitogens and the Cell Cycle
Targeted Cancer Therapies
There are several types of targeted therapies against specific...
Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
Transducer Mechanism: Enzyme-Linked Receptors
Major types that are helpful drug targets include:
Tumor Progression
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
mTOR Signaling and Cancer Progression
The mTOR pathway or the...
