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Updated: Jan 31, 2026

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Portal Vein Injection of Colorectal Cancer Organoids to Study the Liver Metastasis Stroma
Published on: September 3, 2021
7.1K
Systemic therapy for metastatic colorectal cancer
1Gastrointestinal Oncology Service at Memorial Sloan-Kettering Cancer Center, New York, New York 10065, USA. saltzl@mskcc.org
Summary
Targeted agents offer modest survival benefits in advanced colorectal cancer (CRC) treatment. Clinicians should weigh statistical versus clinical significance and toxicity when personalizing therapy for metastatic CRC.
Area of Science:
- Oncology
- Medical Pharmacology
Background:
- Advanced colorectal cancer (CRC) treatment often involves irinotecan and oxaliplatin.
- Targeted agents have been added to standard chemotherapy regimens for metastatic CRC.
- Recent additions include regorafenib and ziv-aflibercept.
Purpose of the Study:
- To review landmark trials of targeted agents in metastatic CRC.
- To discuss the clinical significance of statistically significant survival improvements.
- To highlight the importance of considering toxicity profiles in treatment individualization.
Main Methods:
- Review of landmark clinical trials in advanced colorectal cancer.
- Analysis of progression-free and overall survival data.
- Discussion of targeted agent efficacy and toxicity.
Main Results:
- Targeted agents provide statistically significant improvements in progression-free and overall survival.
- These improvements are often clinically modest.
- Differential toxicity profiles exist among various treatment regimens.
Conclusions:
- Statistical significance in survival benefits does not always equate to clinical significance for targeted agents in CRC.
- Individualizing treatment for metastatic colorectal cancer requires careful consideration of both efficacy and toxicity.
- Clinicians must balance the modest gains from targeted therapies against their potential side effects.
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