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Humanized NOG Mice for Intravaginal HIV Exposure and Treatment of HIV Infection

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Can Humanized Mice Predict Drug "Behavior" in Humans?

Dan Xu¹, Gary Peltz¹

¹Department of Anesthesia, Stanford University School of Medicine, Stanford, California 94305;

Annual Review of Pharmacology and Toxicology

|October 31, 2015

Summary

Chimeric mice with humanized livers offer a promising solution for predicting human drug responses. This approach can improve drug development, reduce liver injury, and advance personalized medicine.

Keywords:

chimeric mice drug metabolism liver humanization predictive toxicology

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Area of Science:

Pharmacology
Toxicology
Biomedical Engineering

Background:

Current drug development relies heavily on animal testing, which has limitations due to physiological and metabolic differences between animals and humans.
These differences lead to a lack of understanding of human drug pharmacokinetics and pharmacodynamics until late-stage trials, contributing to a high failure rate and drug-induced liver injury.
The human liver plays a central role in drug metabolism and toxicity, highlighting the need for more accurate preclinical models.

Purpose of the Study:

To evaluate the utility of chimeric mice with humanized livers as a model for predicting human drug behavior.
To explore how this model can improve the assessment of drug metabolism, disposition, and toxicity.
To investigate the potential of this model in advancing personalized medicine strategies for enhanced drug efficacy and safety.

Main Methods:

Utilizing chimeric mice with humanized livers for preclinical drug testing.
Analyzing drug metabolism, pharmacokinetic, and pharmacodynamic profiles in these humanized mice.
Comparing drug behavior in humanized mice with existing human clinical data.

Main Results:

Evidence suggests that drug testing in chimeric mice with humanized livers provides more accurate predictions of human drug behavior.
This model demonstrates potential in identifying potential drug-induced liver injury earlier in the development process.
The use of humanized liver mice can aid in the development of personalized medicine approaches.

Conclusions:

Chimeric mice with humanized livers represent a significant advancement in preclinical drug testing.
This model can improve drug development efficiency, reduce attrition rates, and enhance patient safety.
Implementing this technology could lead to more effective and safer personalized medicine treatments.