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Selective or targeted gene/drug delivery for liver tumors: advantages and current status of local delivery
1Division of Interventional Radiology, Stanford University Medical Center, 300 Pasteur Drive, Stanford, CA 94305-5642, USA. yikim@stanford.edu
Abstract:
There are various disorders involving the liver. They include metabolic diseases, hepatitis, liver cirrhosis and cancer, the latter of which may be the most serious. Delivery of therapeutic genes or drugs should be targeted to either one of the following cells in the liver: hepatocytes, Kupffer cells and tumor endothelial cells, or to the tumor cells themselves. To maximize the therapeutic effect and minimize systemic toxicity or nontarget injuries, the sufficient amount or dose of genes or drugs should be specifically delivered to a target, with minimal exposure in their active forms to nontarget cells. There are diverse strategies to improve selective delivery or targeting efficiency. In this article, we present potential new therapeutic strategies and clinical developments for liver cancer, with a focus on the progress in the localized delivery of therapeutic agents using image-guided procedures.
Insights
Targeted therapies for liver cancer improve treatment efficacy. This study explores localized drug delivery using image-guided procedures to enhance therapeutic effects and minimize toxicity in liver cancer treatment.
Area of Science:
- Hepatology
- Oncology
- Medical Imaging
Background:
- Liver disorders encompass metabolic diseases, hepatitis, cirrhosis, and cancer.
- Effective treatment requires targeted delivery of therapeutic agents to specific liver cells.
- Minimizing systemic toxicity and off-target effects is crucial for maximizing therapeutic outcomes.
Purpose of the Study:
- To present novel therapeutic strategies for liver cancer.
- To highlight clinical developments in localized drug and gene delivery for liver cancer.
- To focus on advancements in image-guided procedures for targeted liver cancer therapy.
Main Methods:
- Review of current literature on liver cancer therapeutics.
- Analysis of strategies for targeted delivery to hepatocytes, Kupffer cells, and tumor endothelial cells.
- Exploration of image-guided procedures for localized therapeutic agent administration.
Main Results:
- Diverse strategies exist to improve the selectivity and efficiency of therapeutic delivery.
- Localized delivery using image-guided procedures shows promise for enhanced liver cancer treatment.
- Targeting specific liver cells can optimize therapeutic effects and reduce systemic toxicity.
Conclusions:
- Image-guided localized delivery represents a significant advancement in liver cancer therapy.
- Targeted approaches are essential for maximizing treatment efficacy while minimizing adverse effects.
- Continued research into these strategies holds potential for improved patient outcomes in liver cancer.
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